upload android base code part7
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<?xml version="1.0" encoding="utf-8"?>
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<!--
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Copyright 2015 The Android Open Source Project
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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|
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http://www.apache.org/licenses/LICENSE-2.0
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|
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Unless required by applicable law or agreed to in writing, software
|
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distributed under the License is distributed on an "AS IS" BASIS,
|
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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package="com.example.android.droptarget">
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<application android:label="DropTarget Sample"
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android:icon="@mipmap/ic_launcher">
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<activity android:name=".MainActivity">
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.LAUNCHER" />
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</intent-filter>
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</activity>
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</application>
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</manifest>
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<!--
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Copyright 2013 The Android Open Source Project
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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|
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<LinearLayout android:id="@+id/sample_main_layout"
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xmlns:android="http://schemas.android.com/apk/res/android"
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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android:orientation="horizontal">
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<LinearLayout
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android:id="@+id/sample_output"
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android:layout_width="0px"
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android:layout_height="match_parent"
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android:layout_weight="1"
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android:orientation="vertical">
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<FrameLayout
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style="@style/Widget.SampleMessageTile"
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android:layout_width="match_parent"
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android:layout_height="wrap_content">
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<TextView
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style="@style/Widget.SampleMessage"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:paddingBottom="@dimen/margin_large"
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android:paddingLeft="@dimen/margin_medium"
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android:paddingRight="@dimen/margin_medium"
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android:paddingTop="@dimen/margin_large"
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android:text="@string/intro_message" />
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</FrameLayout>
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<View
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android:layout_width="match_parent"
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android:layout_height="1dp"
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android:background="@android:color/darker_gray" />
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<fragment
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android:id="@+id/log_fragment"
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android:name="com.example.android.common.logger.LogFragment"
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android:layout_width="match_parent"
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android:layout_height="0px"
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android:layout_weight="1" />
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</LinearLayout>
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<View
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android:layout_width="1dp"
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android:layout_height="match_parent"
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android:background="@android:color/darker_gray" />
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<FrameLayout
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android:id="@+id/sample_content_fragment"
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android:layout_width="0px"
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android:layout_height="match_parent"
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android:layout_weight="2" />
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</LinearLayout>
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<!--
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Copyright 2013 The Android Open Source Project
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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|
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http://www.apache.org/licenses/LICENSE-2.0
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|
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
|
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
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See the License for the specific language governing permissions and
|
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limitations under the License.
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-->
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
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android:orientation="vertical"
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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android:id="@+id/sample_main_layout">
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<ViewAnimator
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android:id="@+id/sample_output"
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android:layout_width="match_parent"
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android:layout_height="0px"
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android:layout_weight="1">
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<ScrollView
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style="@style/Widget.SampleMessageTile"
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android:layout_width="match_parent"
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android:layout_height="match_parent">
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<TextView
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style="@style/Widget.SampleMessage"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:paddingLeft="@dimen/horizontal_page_margin"
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android:paddingRight="@dimen/horizontal_page_margin"
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android:paddingTop="@dimen/vertical_page_margin"
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android:paddingBottom="@dimen/vertical_page_margin"
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android:text="@string/intro_message" />
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</ScrollView>
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<fragment
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android:name="com.example.android.common.logger.LogFragment"
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android:id="@+id/log_fragment"
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android:layout_width="match_parent"
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android:layout_height="match_parent" />
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</ViewAnimator>
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<View
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android:layout_width="match_parent"
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android:layout_height="1dp"
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android:background="@android:color/darker_gray" />
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<FrameLayout
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android:id="@+id/sample_content_fragment"
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android:layout_weight="2"
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android:layout_width="match_parent"
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android:layout_height="0px" />
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</LinearLayout>
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<?xml version="1.0" encoding="utf-8"?>
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<!--
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Copyright 2016 The Android Open Source Project
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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|
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http://www.apache.org/licenses/LICENSE-2.0
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|
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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android:orientation="vertical">
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<LinearLayout
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:layout_margin="@dimen/section_margin"
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android:gravity="center"
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android:orientation="horizontal">
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<ImageView
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android:id="@+id/image_target"
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android:layout_width="@dimen/image_size"
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android:layout_height="@dimen/image_size"
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android:background="@color/drag_inactive"
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android:pointerIcon="crosshair"
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android:scaleType="centerCrop" />
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<LinearLayout
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:layout_margin="@dimen/section_margin"
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android:gravity="center"
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android:orientation="vertical">
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<TextView
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:layout_margin="@dimen/text_margin"
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android:text="@string/image_target_prompt" />
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<CheckBox
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android:id="@+id/release_checkbox"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="@string/release_checkbox_text"/>
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<TextView
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:layout_marginLeft="@dimen/text_margin"
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android:layout_marginRight="@dimen/text_margin"
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android:text="@string/release_checkbox_note" />
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</LinearLayout>
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</LinearLayout>
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</ScrollView>
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<!--
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Copyright 2013 The Android Open Source Project
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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|
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http://www.apache.org/licenses/LICENSE-2.0
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|
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
|
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
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See the License for the specific language governing permissions and
|
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limitations under the License.
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-->
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<menu xmlns:android="http://schemas.android.com/apk/res/android">
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<item
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android:id="@+id/menu_toggle_log"
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android:showAsAction="always"
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android:title="@string/sample_show_log" />
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</menu>
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<!--
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Copyright 2013 The Android Open Source Project
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
|
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You may obtain a copy of the License at
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|
||||
http://www.apache.org/licenses/LICENSE-2.0
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|
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
|
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
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See the License for the specific language governing permissions and
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||||
limitations under the License.
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-->
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<resources>
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<!-- Semantic definitions -->
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<dimen name="horizontal_page_margin">@dimen/margin_huge</dimen>
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<dimen name="vertical_page_margin">@dimen/margin_medium</dimen>
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</resources>
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<!--
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Copyright 2013 The Android Open Source Project
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|
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Licensed under the Apache License, Version 2.0 (the "License");
|
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you may not use this file except in compliance with the License.
|
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You may obtain a copy of the License at
|
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|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
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|
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Unless required by applicable law or agreed to in writing, software
|
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distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
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-->
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<resources>
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<style name="Widget.SampleMessage">
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<item name="android:textAppearance">?android:textAppearanceLarge</item>
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<item name="android:lineSpacingMultiplier">1.2</item>
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<item name="android:shadowDy">-6.5</item>
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</style>
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</resources>
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@ -0,0 +1,22 @@
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<!--
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Copyright 2013 The Android Open Source Project
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|
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Licensed under the Apache License, Version 2.0 (the "License");
|
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you may not use this file except in compliance with the License.
|
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You may obtain a copy of the License at
|
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|
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http://www.apache.org/licenses/LICENSE-2.0
|
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|
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Unless required by applicable law or agreed to in writing, software
|
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distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
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-->
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<resources>
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<!-- Activity themes -->
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<style name="Theme.Base" parent="android:Theme.Holo.Light" />
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</resources>
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<?xml version="1.0" encoding="UTF-8"?><!--
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Copyright 2013 The Android Open Source Project
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|
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Licensed under the Apache License, Version 2.0 (the "License");
|
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you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
-->
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|
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<resources>
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</resources>
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@ -0,0 +1,22 @@
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<?xml version="1.0" encoding="UTF-8"?><!--
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Copyright 2013 The Android Open Source Project
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|
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Licensed under the Apache License, Version 2.0 (the "License");
|
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you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
-->
|
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|
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<resources>
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<!-- Activity themes -->
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<style name="Theme.Base" parent="android:Theme.Material.Light"></style>
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</resources>
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<?xml version="1.0" encoding="utf-8"?>
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<!--
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Copyright 2016 The Android Open Source Project
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|
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Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
-->
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<resources>
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<color name="drag_inactive">#ff888888</color>
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</resources>
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<?xml version="1.0" encoding="utf-8"?>
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|
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<!--
|
||||
Copyright 2016 The Android Open Source Project
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
-->
|
||||
|
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<resources>
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<dimen name="section_margin">16dp</dimen>
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<dimen name="image_size">150dp</dimen>
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<dimen name="text_size">0dp</dimen>
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<dimen name="text_margin">10dp</dimen>
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<dimen name="checkbox_margin">6dp</dimen>
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</resources>
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|
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<!--
|
||||
Copyright 2013 The Android Open Source Project
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
-->
|
||||
<resources>
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<string name="sample_show_log">Show Log</string>
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<string name="sample_hide_log">Hide Log</string>
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</resources>
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<?xml version="1.0" encoding="utf-8"?>
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|
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<!--
|
||||
Copyright 2015 The Android Open Source Project
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
-->
|
||||
|
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<resources>
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<string name="image_target_prompt">Drop image here.\nThe app will request permission from the source app before displaying the image.</string>
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<string name="intro_message">This sample demonstrates drag and drop functionality and is the \'target\' app for this sample. It shows how data can be received when dragged from another app.\nOpen the \'DragSource\' sample app next to this one and try dragging an image into the space below.</string>
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<string name="release_checkbox_text">Release permissions immediately after a drop</string>
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<string name="release_checkbox_note">Releasing permissions will prevent the image from being properly restored after the activity has been resized.</string>
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</resources>
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@ -0,0 +1,32 @@
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<!--
|
||||
Copyright 2013 The Android Open Source Project
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
-->
|
||||
|
||||
<resources>
|
||||
|
||||
<!-- Define standard dimensions to comply with Holo-style grids and rhythm. -->
|
||||
|
||||
<dimen name="margin_tiny">4dp</dimen>
|
||||
<dimen name="margin_small">8dp</dimen>
|
||||
<dimen name="margin_medium">16dp</dimen>
|
||||
<dimen name="margin_large">32dp</dimen>
|
||||
<dimen name="margin_huge">64dp</dimen>
|
||||
|
||||
<!-- Semantic definitions -->
|
||||
|
||||
<dimen name="horizontal_page_margin">@dimen/margin_medium</dimen>
|
||||
<dimen name="vertical_page_margin">@dimen/margin_medium</dimen>
|
||||
|
||||
</resources>
|
||||
|
|
@ -0,0 +1,42 @@
|
|||
<!--
|
||||
Copyright 2013 The Android Open Source Project
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
-->
|
||||
|
||||
<resources>
|
||||
|
||||
<!-- Activity themes -->
|
||||
|
||||
<style name="Theme.Base" parent="android:Theme.Light" />
|
||||
|
||||
<style name="Theme.Sample" parent="Theme.Base" />
|
||||
|
||||
<style name="AppTheme" parent="Theme.Sample" />
|
||||
<!-- Widget styling -->
|
||||
|
||||
<style name="Widget" />
|
||||
|
||||
<style name="Widget.SampleMessage">
|
||||
<item name="android:textAppearance">?android:textAppearanceMedium</item>
|
||||
<item name="android:lineSpacingMultiplier">1.1</item>
|
||||
</style>
|
||||
|
||||
<style name="Widget.SampleMessageTile">
|
||||
<item name="android:background">@drawable/tile</item>
|
||||
<item name="android:shadowColor">#7F000000</item>
|
||||
<item name="android:shadowDy">-3.5</item>
|
||||
<item name="android:shadowRadius">2</item>
|
||||
</style>
|
||||
|
||||
</resources>
|
||||
|
|
@ -0,0 +1,52 @@
|
|||
/*
|
||||
* Copyright 2013 The Android Open Source Project
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
package com.example.android.common.activities;
|
||||
|
||||
import android.os.Bundle;
|
||||
import android.support.v4.app.FragmentActivity;
|
||||
|
||||
import com.example.android.common.logger.Log;
|
||||
import com.example.android.common.logger.LogWrapper;
|
||||
|
||||
/**
|
||||
* Base launcher activity, to handle most of the common plumbing for samples.
|
||||
*/
|
||||
public class SampleActivityBase extends FragmentActivity {
|
||||
|
||||
public static final String TAG = "SampleActivityBase";
|
||||
|
||||
@Override
|
||||
protected void onCreate(Bundle savedInstanceState) {
|
||||
super.onCreate(savedInstanceState);
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void onStart() {
|
||||
super.onStart();
|
||||
initializeLogging();
|
||||
}
|
||||
|
||||
/** Set up targets to receive log data */
|
||||
public void initializeLogging() {
|
||||
// Using Log, front-end to the logging chain, emulates android.util.log method signatures.
|
||||
// Wraps Android's native log framework
|
||||
LogWrapper logWrapper = new LogWrapper();
|
||||
Log.setLogNode(logWrapper);
|
||||
|
||||
Log.i(TAG, "Ready");
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,236 @@
|
|||
/*
|
||||
* Copyright (C) 2013 The Android Open Source Project
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
package com.example.android.common.logger;
|
||||
|
||||
/**
|
||||
* Helper class for a list (or tree) of LoggerNodes.
|
||||
*
|
||||
* <p>When this is set as the head of the list,
|
||||
* an instance of it can function as a drop-in replacement for {@link android.util.Log}.
|
||||
* Most of the methods in this class server only to map a method call in Log to its equivalent
|
||||
* in LogNode.</p>
|
||||
*/
|
||||
public class Log {
|
||||
// Grabbing the native values from Android's native logging facilities,
|
||||
// to make for easy migration and interop.
|
||||
public static final int NONE = -1;
|
||||
public static final int VERBOSE = android.util.Log.VERBOSE;
|
||||
public static final int DEBUG = android.util.Log.DEBUG;
|
||||
public static final int INFO = android.util.Log.INFO;
|
||||
public static final int WARN = android.util.Log.WARN;
|
||||
public static final int ERROR = android.util.Log.ERROR;
|
||||
public static final int ASSERT = android.util.Log.ASSERT;
|
||||
|
||||
// Stores the beginning of the LogNode topology.
|
||||
private static LogNode mLogNode;
|
||||
|
||||
/**
|
||||
* Returns the next LogNode in the linked list.
|
||||
*/
|
||||
public static LogNode getLogNode() {
|
||||
return mLogNode;
|
||||
}
|
||||
|
||||
/**
|
||||
* Sets the LogNode data will be sent to.
|
||||
*/
|
||||
public static void setLogNode(LogNode node) {
|
||||
mLogNode = node;
|
||||
}
|
||||
|
||||
/**
|
||||
* Instructs the LogNode to print the log data provided. Other LogNodes can
|
||||
* be chained to the end of the LogNode as desired.
|
||||
*
|
||||
* @param priority Log level of the data being logged. Verbose, Error, etc.
|
||||
* @param tag Tag for for the log data. Can be used to organize log statements.
|
||||
* @param msg The actual message to be logged.
|
||||
* @param tr If an exception was thrown, this can be sent along for the logging facilities
|
||||
* to extract and print useful information.
|
||||
*/
|
||||
public static void println(int priority, String tag, String msg, Throwable tr) {
|
||||
if (mLogNode != null) {
|
||||
mLogNode.println(priority, tag, msg, tr);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Instructs the LogNode to print the log data provided. Other LogNodes can
|
||||
* be chained to the end of the LogNode as desired.
|
||||
*
|
||||
* @param priority Log level of the data being logged. Verbose, Error, etc.
|
||||
* @param tag Tag for for the log data. Can be used to organize log statements.
|
||||
* @param msg The actual message to be logged. The actual message to be logged.
|
||||
*/
|
||||
public static void println(int priority, String tag, String msg) {
|
||||
println(priority, tag, msg, null);
|
||||
}
|
||||
|
||||
/**
|
||||
* Prints a message at VERBOSE priority.
|
||||
*
|
||||
* @param tag Tag for for the log data. Can be used to organize log statements.
|
||||
* @param msg The actual message to be logged.
|
||||
* @param tr If an exception was thrown, this can be sent along for the logging facilities
|
||||
* to extract and print useful information.
|
||||
*/
|
||||
public static void v(String tag, String msg, Throwable tr) {
|
||||
println(VERBOSE, tag, msg, tr);
|
||||
}
|
||||
|
||||
/**
|
||||
* Prints a message at VERBOSE priority.
|
||||
*
|
||||
* @param tag Tag for for the log data. Can be used to organize log statements.
|
||||
* @param msg The actual message to be logged.
|
||||
*/
|
||||
public static void v(String tag, String msg) {
|
||||
v(tag, msg, null);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Prints a message at DEBUG priority.
|
||||
*
|
||||
* @param tag Tag for for the log data. Can be used to organize log statements.
|
||||
* @param msg The actual message to be logged.
|
||||
* @param tr If an exception was thrown, this can be sent along for the logging facilities
|
||||
* to extract and print useful information.
|
||||
*/
|
||||
public static void d(String tag, String msg, Throwable tr) {
|
||||
println(DEBUG, tag, msg, tr);
|
||||
}
|
||||
|
||||
/**
|
||||
* Prints a message at DEBUG priority.
|
||||
*
|
||||
* @param tag Tag for for the log data. Can be used to organize log statements.
|
||||
* @param msg The actual message to be logged.
|
||||
*/
|
||||
public static void d(String tag, String msg) {
|
||||
d(tag, msg, null);
|
||||
}
|
||||
|
||||
/**
|
||||
* Prints a message at INFO priority.
|
||||
*
|
||||
* @param tag Tag for for the log data. Can be used to organize log statements.
|
||||
* @param msg The actual message to be logged.
|
||||
* @param tr If an exception was thrown, this can be sent along for the logging facilities
|
||||
* to extract and print useful information.
|
||||
*/
|
||||
public static void i(String tag, String msg, Throwable tr) {
|
||||
println(INFO, tag, msg, tr);
|
||||
}
|
||||
|
||||
/**
|
||||
* Prints a message at INFO priority.
|
||||
*
|
||||
* @param tag Tag for for the log data. Can be used to organize log statements.
|
||||
* @param msg The actual message to be logged.
|
||||
*/
|
||||
public static void i(String tag, String msg) {
|
||||
i(tag, msg, null);
|
||||
}
|
||||
|
||||
/**
|
||||
* Prints a message at WARN priority.
|
||||
*
|
||||
* @param tag Tag for for the log data. Can be used to organize log statements.
|
||||
* @param msg The actual message to be logged.
|
||||
* @param tr If an exception was thrown, this can be sent along for the logging facilities
|
||||
* to extract and print useful information.
|
||||
*/
|
||||
public static void w(String tag, String msg, Throwable tr) {
|
||||
println(WARN, tag, msg, tr);
|
||||
}
|
||||
|
||||
/**
|
||||
* Prints a message at WARN priority.
|
||||
*
|
||||
* @param tag Tag for for the log data. Can be used to organize log statements.
|
||||
* @param msg The actual message to be logged.
|
||||
*/
|
||||
public static void w(String tag, String msg) {
|
||||
w(tag, msg, null);
|
||||
}
|
||||
|
||||
/**
|
||||
* Prints a message at WARN priority.
|
||||
*
|
||||
* @param tag Tag for for the log data. Can be used to organize log statements.
|
||||
* @param tr If an exception was thrown, this can be sent along for the logging facilities
|
||||
* to extract and print useful information.
|
||||
*/
|
||||
public static void w(String tag, Throwable tr) {
|
||||
w(tag, null, tr);
|
||||
}
|
||||
|
||||
/**
|
||||
* Prints a message at ERROR priority.
|
||||
*
|
||||
* @param tag Tag for for the log data. Can be used to organize log statements.
|
||||
* @param msg The actual message to be logged.
|
||||
* @param tr If an exception was thrown, this can be sent along for the logging facilities
|
||||
* to extract and print useful information.
|
||||
*/
|
||||
public static void e(String tag, String msg, Throwable tr) {
|
||||
println(ERROR, tag, msg, tr);
|
||||
}
|
||||
|
||||
/**
|
||||
* Prints a message at ERROR priority.
|
||||
*
|
||||
* @param tag Tag for for the log data. Can be used to organize log statements.
|
||||
* @param msg The actual message to be logged.
|
||||
*/
|
||||
public static void e(String tag, String msg) {
|
||||
e(tag, msg, null);
|
||||
}
|
||||
|
||||
/**
|
||||
* Prints a message at ASSERT priority.
|
||||
*
|
||||
* @param tag Tag for for the log data. Can be used to organize log statements.
|
||||
* @param msg The actual message to be logged.
|
||||
* @param tr If an exception was thrown, this can be sent along for the logging facilities
|
||||
* to extract and print useful information.
|
||||
*/
|
||||
public static void wtf(String tag, String msg, Throwable tr) {
|
||||
println(ASSERT, tag, msg, tr);
|
||||
}
|
||||
|
||||
/**
|
||||
* Prints a message at ASSERT priority.
|
||||
*
|
||||
* @param tag Tag for for the log data. Can be used to organize log statements.
|
||||
* @param msg The actual message to be logged.
|
||||
*/
|
||||
public static void wtf(String tag, String msg) {
|
||||
wtf(tag, msg, null);
|
||||
}
|
||||
|
||||
/**
|
||||
* Prints a message at ASSERT priority.
|
||||
*
|
||||
* @param tag Tag for for the log data. Can be used to organize log statements.
|
||||
* @param tr If an exception was thrown, this can be sent along for the logging facilities
|
||||
* to extract and print useful information.
|
||||
*/
|
||||
public static void wtf(String tag, Throwable tr) {
|
||||
wtf(tag, null, tr);
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,94 @@
|
|||
/*
|
||||
* Copyright 2013 The Android Open Source Project
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
package com.example.android.common.logger;
|
||||
|
||||
import android.graphics.Typeface;
|
||||
import android.os.Bundle;
|
||||
import android.support.v4.app.Fragment;
|
||||
import android.text.Editable;
|
||||
import android.text.TextWatcher;
|
||||
import android.view.Gravity;
|
||||
import android.view.LayoutInflater;
|
||||
import android.view.View;
|
||||
import android.view.ViewGroup;
|
||||
import android.widget.ScrollView;
|
||||
|
||||
/**
|
||||
* Simple fragment which contains a LogView and uses is to output log data it receives
|
||||
* through the LogNode interface.
|
||||
*/
|
||||
public class LogFragment extends Fragment {
|
||||
|
||||
private LogView mLogView;
|
||||
private ScrollView mScrollView;
|
||||
|
||||
public LogFragment() {}
|
||||
|
||||
public View inflateViews() {
|
||||
mScrollView = new ScrollView(getActivity());
|
||||
ViewGroup.LayoutParams scrollParams = new ViewGroup.LayoutParams(
|
||||
ViewGroup.LayoutParams.MATCH_PARENT,
|
||||
ViewGroup.LayoutParams.MATCH_PARENT);
|
||||
mScrollView.setLayoutParams(scrollParams);
|
||||
|
||||
mLogView = new LogView(getActivity());
|
||||
ViewGroup.LayoutParams logParams = new ViewGroup.LayoutParams(scrollParams);
|
||||
logParams.height = ViewGroup.LayoutParams.WRAP_CONTENT;
|
||||
mLogView.setLayoutParams(logParams);
|
||||
mLogView.setClickable(true);
|
||||
mLogView.setFocusable(true);
|
||||
mLogView.setTypeface(Typeface.MONOSPACE);
|
||||
|
||||
// Want to set padding as 16 dips, setPadding takes pixels. Hooray math!
|
||||
int paddingDips = 16;
|
||||
double scale = getResources().getDisplayMetrics().density;
|
||||
int paddingPixels = (int) ((paddingDips * (scale)) + .5);
|
||||
mLogView.setPadding(paddingPixels, paddingPixels, paddingPixels, paddingPixels);
|
||||
mLogView.setCompoundDrawablePadding(paddingPixels);
|
||||
|
||||
mLogView.setGravity(Gravity.BOTTOM);
|
||||
mLogView.setTextAppearance(getActivity(), android.R.style.TextAppearance_Holo_Medium);
|
||||
|
||||
mScrollView.addView(mLogView);
|
||||
return mScrollView;
|
||||
}
|
||||
|
||||
@Override
|
||||
public View onCreateView(LayoutInflater inflater, ViewGroup container,
|
||||
Bundle savedInstanceState) {
|
||||
|
||||
View result = inflateViews();
|
||||
|
||||
mLogView.addTextChangedListener(new TextWatcher() {
|
||||
@Override
|
||||
public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
|
||||
|
||||
@Override
|
||||
public void onTextChanged(CharSequence s, int start, int before, int count) {}
|
||||
|
||||
@Override
|
||||
public void afterTextChanged(Editable s) {
|
||||
mScrollView.fullScroll(ScrollView.FOCUS_DOWN);
|
||||
}
|
||||
});
|
||||
return result;
|
||||
}
|
||||
|
||||
public LogView getLogView() {
|
||||
return mLogView;
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,39 @@
|
|||
/*
|
||||
* Copyright (C) 2012 The Android Open Source Project
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
package com.example.android.common.logger;
|
||||
|
||||
/**
|
||||
* Basic interface for a logging system that can output to one or more targets.
|
||||
* Note that in addition to classes that will output these logs in some format,
|
||||
* one can also implement this interface over a filter and insert that in the chain,
|
||||
* such that no targets further down see certain data, or see manipulated forms of the data.
|
||||
* You could, for instance, write a "ToHtmlLoggerNode" that just converted all the log data
|
||||
* it received to HTML and sent it along to the next node in the chain, without printing it
|
||||
* anywhere.
|
||||
*/
|
||||
public interface LogNode {
|
||||
|
||||
/**
|
||||
* Instructs first LogNode in the list to print the log data provided.
|
||||
* @param priority Log level of the data being logged. Verbose, Error, etc.
|
||||
* @param tag Tag for for the log data. Can be used to organize log statements.
|
||||
* @param msg The actual message to be logged. The actual message to be logged.
|
||||
* @param tr If an exception was thrown, this can be sent along for the logging facilities
|
||||
* to extract and print useful information.
|
||||
*/
|
||||
public void println(int priority, String tag, String msg, Throwable tr);
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,145 @@
|
|||
/*
|
||||
* Copyright (C) 2013 The Android Open Source Project
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
package com.example.android.common.logger;
|
||||
|
||||
import android.app.Activity;
|
||||
import android.content.Context;
|
||||
import android.util.*;
|
||||
import android.widget.TextView;
|
||||
|
||||
/** Simple TextView which is used to output log data received through the LogNode interface.
|
||||
*/
|
||||
public class LogView extends TextView implements LogNode {
|
||||
|
||||
public LogView(Context context) {
|
||||
super(context);
|
||||
}
|
||||
|
||||
public LogView(Context context, AttributeSet attrs) {
|
||||
super(context, attrs);
|
||||
}
|
||||
|
||||
public LogView(Context context, AttributeSet attrs, int defStyle) {
|
||||
super(context, attrs, defStyle);
|
||||
}
|
||||
|
||||
/**
|
||||
* Formats the log data and prints it out to the LogView.
|
||||
* @param priority Log level of the data being logged. Verbose, Error, etc.
|
||||
* @param tag Tag for for the log data. Can be used to organize log statements.
|
||||
* @param msg The actual message to be logged. The actual message to be logged.
|
||||
* @param tr If an exception was thrown, this can be sent along for the logging facilities
|
||||
* to extract and print useful information.
|
||||
*/
|
||||
@Override
|
||||
public void println(int priority, String tag, String msg, Throwable tr) {
|
||||
|
||||
|
||||
String priorityStr = null;
|
||||
|
||||
// For the purposes of this View, we want to print the priority as readable text.
|
||||
switch(priority) {
|
||||
case android.util.Log.VERBOSE:
|
||||
priorityStr = "VERBOSE";
|
||||
break;
|
||||
case android.util.Log.DEBUG:
|
||||
priorityStr = "DEBUG";
|
||||
break;
|
||||
case android.util.Log.INFO:
|
||||
priorityStr = "INFO";
|
||||
break;
|
||||
case android.util.Log.WARN:
|
||||
priorityStr = "WARN";
|
||||
break;
|
||||
case android.util.Log.ERROR:
|
||||
priorityStr = "ERROR";
|
||||
break;
|
||||
case android.util.Log.ASSERT:
|
||||
priorityStr = "ASSERT";
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
// Handily, the Log class has a facility for converting a stack trace into a usable string.
|
||||
String exceptionStr = null;
|
||||
if (tr != null) {
|
||||
exceptionStr = android.util.Log.getStackTraceString(tr);
|
||||
}
|
||||
|
||||
// Take the priority, tag, message, and exception, and concatenate as necessary
|
||||
// into one usable line of text.
|
||||
final StringBuilder outputBuilder = new StringBuilder();
|
||||
|
||||
String delimiter = "\t";
|
||||
appendIfNotNull(outputBuilder, priorityStr, delimiter);
|
||||
appendIfNotNull(outputBuilder, tag, delimiter);
|
||||
appendIfNotNull(outputBuilder, msg, delimiter);
|
||||
appendIfNotNull(outputBuilder, exceptionStr, delimiter);
|
||||
|
||||
// In case this was originally called from an AsyncTask or some other off-UI thread,
|
||||
// make sure the update occurs within the UI thread.
|
||||
((Activity) getContext()).runOnUiThread( (new Thread(new Runnable() {
|
||||
@Override
|
||||
public void run() {
|
||||
// Display the text we just generated within the LogView.
|
||||
appendToLog(outputBuilder.toString());
|
||||
}
|
||||
})));
|
||||
|
||||
if (mNext != null) {
|
||||
mNext.println(priority, tag, msg, tr);
|
||||
}
|
||||
}
|
||||
|
||||
public LogNode getNext() {
|
||||
return mNext;
|
||||
}
|
||||
|
||||
public void setNext(LogNode node) {
|
||||
mNext = node;
|
||||
}
|
||||
|
||||
/** Takes a string and adds to it, with a separator, if the bit to be added isn't null. Since
|
||||
* the logger takes so many arguments that might be null, this method helps cut out some of the
|
||||
* agonizing tedium of writing the same 3 lines over and over.
|
||||
* @param source StringBuilder containing the text to append to.
|
||||
* @param addStr The String to append
|
||||
* @param delimiter The String to separate the source and appended strings. A tab or comma,
|
||||
* for instance.
|
||||
* @return The fully concatenated String as a StringBuilder
|
||||
*/
|
||||
private StringBuilder appendIfNotNull(StringBuilder source, String addStr, String delimiter) {
|
||||
if (addStr != null) {
|
||||
if (addStr.length() == 0) {
|
||||
delimiter = "";
|
||||
}
|
||||
|
||||
return source.append(addStr).append(delimiter);
|
||||
}
|
||||
return source;
|
||||
}
|
||||
|
||||
// The next LogNode in the chain.
|
||||
LogNode mNext;
|
||||
|
||||
/** Outputs the string as a new line of log data in the LogView. */
|
||||
public void appendToLog(String s) {
|
||||
append("\n" + s);
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,75 @@
|
|||
/*
|
||||
* Copyright (C) 2012 The Android Open Source Project
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
package com.example.android.common.logger;
|
||||
|
||||
import android.util.Log;
|
||||
|
||||
/**
|
||||
* Helper class which wraps Android's native Log utility in the Logger interface. This way
|
||||
* normal DDMS output can be one of the many targets receiving and outputting logs simultaneously.
|
||||
*/
|
||||
public class LogWrapper implements LogNode {
|
||||
|
||||
// For piping: The next node to receive Log data after this one has done its work.
|
||||
private LogNode mNext;
|
||||
|
||||
/**
|
||||
* Returns the next LogNode in the linked list.
|
||||
*/
|
||||
public LogNode getNext() {
|
||||
return mNext;
|
||||
}
|
||||
|
||||
/**
|
||||
* Sets the LogNode data will be sent to..
|
||||
*/
|
||||
public void setNext(LogNode node) {
|
||||
mNext = node;
|
||||
}
|
||||
|
||||
/**
|
||||
* Prints data out to the console using Android's native log mechanism.
|
||||
* @param priority Log level of the data being logged. Verbose, Error, etc.
|
||||
* @param tag Tag for for the log data. Can be used to organize log statements.
|
||||
* @param msg The actual message to be logged. The actual message to be logged.
|
||||
* @param tr If an exception was thrown, this can be sent along for the logging facilities
|
||||
* to extract and print useful information.
|
||||
*/
|
||||
@Override
|
||||
public void println(int priority, String tag, String msg, Throwable tr) {
|
||||
// There actually are log methods that don't take a msg parameter. For now,
|
||||
// if that's the case, just convert null to the empty string and move on.
|
||||
String useMsg = msg;
|
||||
if (useMsg == null) {
|
||||
useMsg = "";
|
||||
}
|
||||
|
||||
// If an exeption was provided, convert that exception to a usable string and attach
|
||||
// it to the end of the msg method.
|
||||
if (tr != null) {
|
||||
msg += "\n" + Log.getStackTraceString(tr);
|
||||
}
|
||||
|
||||
// This is functionally identical to Log.x(tag, useMsg);
|
||||
// For instance, if priority were Log.VERBOSE, this would be the same as Log.v(tag, useMsg)
|
||||
Log.println(priority, tag, useMsg);
|
||||
|
||||
// If this isn't the last node in the chain, move things along.
|
||||
if (mNext != null) {
|
||||
mNext.println(priority, tag, msg, tr);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,60 @@
|
|||
/*
|
||||
* Copyright (C) 2013 The Android Open Source Project
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
package com.example.android.common.logger;
|
||||
|
||||
/**
|
||||
* Simple {@link LogNode} filter, removes everything except the message.
|
||||
* Useful for situations like on-screen log output where you don't want a lot of metadata displayed,
|
||||
* just easy-to-read message updates as they're happening.
|
||||
*/
|
||||
public class MessageOnlyLogFilter implements LogNode {
|
||||
|
||||
LogNode mNext;
|
||||
|
||||
/**
|
||||
* Takes the "next" LogNode as a parameter, to simplify chaining.
|
||||
*
|
||||
* @param next The next LogNode in the pipeline.
|
||||
*/
|
||||
public MessageOnlyLogFilter(LogNode next) {
|
||||
mNext = next;
|
||||
}
|
||||
|
||||
public MessageOnlyLogFilter() {
|
||||
}
|
||||
|
||||
@Override
|
||||
public void println(int priority, String tag, String msg, Throwable tr) {
|
||||
if (mNext != null) {
|
||||
getNext().println(Log.NONE, null, msg, null);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the next LogNode in the chain.
|
||||
*/
|
||||
public LogNode getNext() {
|
||||
return mNext;
|
||||
}
|
||||
|
||||
/**
|
||||
* Sets the LogNode data will be sent to..
|
||||
*/
|
||||
public void setNext(LogNode node) {
|
||||
mNext = node;
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,178 @@
|
|||
/*
|
||||
* Copyright (C) 2016 The Android Open Source Project
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
package com.example.android.droptarget;
|
||||
|
||||
import com.example.android.common.logger.Log;
|
||||
|
||||
import android.app.Activity;
|
||||
import android.content.ClipDescription;
|
||||
import android.content.ContentResolver;
|
||||
import android.net.Uri;
|
||||
import android.os.Bundle;
|
||||
import android.os.PersistableBundle;
|
||||
import android.support.annotation.Nullable;
|
||||
import android.support.v13.app.ActivityCompat;
|
||||
import android.support.v13.view.DragAndDropPermissionsCompat;
|
||||
import android.support.v4.app.Fragment;
|
||||
import android.view.DragEvent;
|
||||
import android.view.LayoutInflater;
|
||||
import android.view.View;
|
||||
import android.view.ViewGroup;
|
||||
import android.widget.CheckBox;
|
||||
import android.widget.ImageView;
|
||||
|
||||
/**
|
||||
* This sample demonstrates data can be moved between views in different applications via
|
||||
* drag and drop.
|
||||
* <p>This is the Target app for the drag and drop process. This app uses a
|
||||
* {@link android.widget.ImageView} as the drop target. Images onto this
|
||||
* view from the DragSource app that is also part of this sample.
|
||||
* <p>
|
||||
* There is also a {@link android.widget.EditText} widget that can accept dropped text (no
|
||||
* extra setup is necessary).
|
||||
* To access content URIs requiring permissions, the target app needs to request the
|
||||
* {@link android.view.DragAndDropPermissions} from the Activity via
|
||||
* {@link ActivityCompat#requestDragAndDropPermissions(Activity, DragEvent)}. This permission will
|
||||
* stay either as long as the activity is alive, or until the release() method is called on the
|
||||
* {@link android.view.DragAndDropPermissions} object.
|
||||
*/
|
||||
public class DropTargetFragment extends Fragment {
|
||||
|
||||
private static final String IMAGE_URI = "IMAGE_URI";
|
||||
|
||||
public static final String EXTRA_IMAGE_INFO = "IMAGE_INFO";
|
||||
|
||||
private static final String TAG = "DropTargetFragment";
|
||||
|
||||
private Uri mImageUri;
|
||||
|
||||
private CheckBox mReleasePermissionCheckBox;
|
||||
|
||||
@Nullable
|
||||
@Override
|
||||
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container,
|
||||
@Nullable Bundle savedInstanceState) {
|
||||
|
||||
View rootView = inflater.inflate(R.layout.fragment_droptarget, container, false);
|
||||
final ImageView imageView = (ImageView) rootView.findViewById(R.id.image_target);
|
||||
|
||||
ImageDragListener imageDragListener = new PermissionAwareImageDragListener();
|
||||
|
||||
imageView.setOnDragListener(imageDragListener);
|
||||
|
||||
// Restore the application state if an image was being displayed.
|
||||
if (savedInstanceState != null) {
|
||||
final String uriString = savedInstanceState.getString(IMAGE_URI);
|
||||
if (uriString != null) {
|
||||
mImageUri = Uri.parse(uriString);
|
||||
imageView.setImageURI(mImageUri);
|
||||
}
|
||||
}
|
||||
|
||||
mReleasePermissionCheckBox = (CheckBox) rootView.findViewById(R.id.release_checkbox);
|
||||
|
||||
return rootView;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onSaveInstanceState(Bundle savedInstanceState) {
|
||||
if (mImageUri != null) {
|
||||
savedInstanceState.putString(IMAGE_URI, mImageUri.toString());
|
||||
}
|
||||
super.onSaveInstanceState(savedInstanceState);
|
||||
}
|
||||
|
||||
private class PermissionAwareImageDragListener extends ImageDragListener {
|
||||
|
||||
@Override
|
||||
protected void processLocation(float x, float y) {
|
||||
// Callback is received when the dragged image enters the drop area.
|
||||
}
|
||||
|
||||
@Override
|
||||
protected boolean setImageUri(View view, DragEvent event, Uri uri) {
|
||||
// Read the string from the clip description extras.
|
||||
Log.d(TAG, "ClipDescription extra: " + getExtra(event));
|
||||
|
||||
Log.d(TAG, "Setting image source to: " + uri.toString());
|
||||
mImageUri = uri;
|
||||
|
||||
if (ContentResolver.SCHEME_CONTENT.equals(uri.getScheme())) {
|
||||
// Accessing a "content" scheme Uri requires a permission grant.
|
||||
DragAndDropPermissionsCompat dropPermissions = ActivityCompat
|
||||
.requestDragAndDropPermissions(getActivity(), event);
|
||||
Log.d(TAG, "Requesting permissions.");
|
||||
|
||||
if (dropPermissions == null) {
|
||||
// Permission could not be obtained.
|
||||
Log.d(TAG, "Drop permission request failed.");
|
||||
return false;
|
||||
}
|
||||
|
||||
final boolean result = super.setImageUri(view, event, uri);
|
||||
|
||||
if (mReleasePermissionCheckBox.isChecked()) {
|
||||
/* Release the permissions if you are done with the URI.
|
||||
Note that you may need to hold onto the permission until later if other
|
||||
operations are performed on the content. For instance, releasing the
|
||||
permissions here will prevent onCreateView from properly restoring the
|
||||
ImageView state.
|
||||
If permissions are not explicitly released, the permission grant will be
|
||||
revoked when the activity is destroyed.
|
||||
*/
|
||||
dropPermissions.release();
|
||||
Log.d(TAG, "Permissions released.");
|
||||
}
|
||||
|
||||
return result;
|
||||
} else {
|
||||
// Other schemes (such as "android.resource") do not require a permission grant.
|
||||
return super.setImageUri(view, event, uri);
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean onDrag(View view, DragEvent event) {
|
||||
// DragTarget is peeking into the MIME types of the dragged event in order to ignore
|
||||
// non-image drags completely.
|
||||
// DragSource does not do that but rejects non-image content once a drop has happened.
|
||||
ClipDescription clipDescription = event.getClipDescription();
|
||||
if (clipDescription != null && !clipDescription.hasMimeType("image/*")) {
|
||||
return false;
|
||||
}
|
||||
// Callback received when image is being dragged.
|
||||
return super.onDrag(view, event);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* DragEvents can contain additional data packaged in a {@link PersistableBundle}.
|
||||
* Extract the extras from the event and return the String stored for the
|
||||
* {@link #EXTRA_IMAGE_INFO} entry.
|
||||
*/
|
||||
private String getExtra(DragEvent event) {
|
||||
// The extras are contained in the ClipDescription in the DragEvent.
|
||||
ClipDescription clipDescription = event.getClipDescription();
|
||||
if (clipDescription != null) {
|
||||
PersistableBundle extras = clipDescription.getExtras();
|
||||
if (extras != null) {
|
||||
return extras.getString(EXTRA_IMAGE_INFO);
|
||||
}
|
||||
}
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,96 @@
|
|||
/*
|
||||
* Copyright 2016, The Android Open Source Project
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
package com.example.android.droptarget;
|
||||
|
||||
import android.content.ClipData;
|
||||
import android.net.Uri;
|
||||
import android.view.DragEvent;
|
||||
import android.view.View;
|
||||
import android.widget.ImageView;
|
||||
|
||||
public class ImageDragListener implements View.OnDragListener {
|
||||
|
||||
private static final int COLOR_INACTIVE = 0xFF888888;
|
||||
|
||||
private static final int COLOR_ACTIVE = 0xFFCCCCCC;
|
||||
|
||||
private static final int COLOR_HOVER = 0xFFEEEEEE;
|
||||
|
||||
@Override
|
||||
public boolean onDrag(View view, DragEvent event) {
|
||||
switch (event.getAction()) {
|
||||
case DragEvent.ACTION_DRAG_STARTED:
|
||||
setTargetColor(view, COLOR_ACTIVE);
|
||||
return true;
|
||||
|
||||
case DragEvent.ACTION_DRAG_ENTERED:
|
||||
setTargetColor(view, COLOR_HOVER);
|
||||
return true;
|
||||
|
||||
case DragEvent.ACTION_DRAG_LOCATION:
|
||||
processLocation(event.getX(), event.getY());
|
||||
return true;
|
||||
|
||||
case DragEvent.ACTION_DRAG_EXITED:
|
||||
setTargetColor(view, COLOR_ACTIVE);
|
||||
return true;
|
||||
|
||||
case DragEvent.ACTION_DROP:
|
||||
return processDrop(view, event);
|
||||
|
||||
case DragEvent.ACTION_DRAG_ENDED:
|
||||
setTargetColor(view, COLOR_INACTIVE);
|
||||
return true;
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
private void setTargetColor(View view, int color) {
|
||||
view.setBackgroundColor(color);
|
||||
}
|
||||
|
||||
private boolean processDrop(View view, DragEvent event) {
|
||||
ClipData clipData = event.getClipData();
|
||||
if (clipData == null || clipData.getItemCount() == 0) {
|
||||
return false;
|
||||
}
|
||||
ClipData.Item item = clipData.getItemAt(0);
|
||||
if (item == null) {
|
||||
return false;
|
||||
}
|
||||
Uri uri = item.getUri();
|
||||
if (uri == null) {
|
||||
return false;
|
||||
}
|
||||
return setImageUri(view, event, uri);
|
||||
}
|
||||
|
||||
protected void processLocation(float x, float y) {
|
||||
}
|
||||
|
||||
protected boolean setImageUri(View view, DragEvent event, Uri uri) {
|
||||
if (!(view instanceof ImageView)) {
|
||||
return false;
|
||||
}
|
||||
((ImageView) view).setImageURI(uri);
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,110 @@
|
|||
/*
|
||||
* Copyright 2013 The Android Open Source Project
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
|
||||
package com.example.android.droptarget;
|
||||
|
||||
import android.os.Bundle;
|
||||
import android.support.v4.app.FragmentTransaction;
|
||||
import android.view.Menu;
|
||||
import android.view.MenuItem;
|
||||
import android.widget.ViewAnimator;
|
||||
|
||||
import com.example.android.common.activities.SampleActivityBase;
|
||||
import com.example.android.common.logger.Log;
|
||||
import com.example.android.common.logger.LogFragment;
|
||||
import com.example.android.common.logger.LogWrapper;
|
||||
import com.example.android.common.logger.MessageOnlyLogFilter;
|
||||
|
||||
/**
|
||||
* A simple launcher activity containing a summary sample description, sample log and a custom
|
||||
* {@link android.support.v4.app.Fragment} which can display a view.
|
||||
* <p>
|
||||
* For devices with displays with a width of 720dp or greater, the sample log is always visible,
|
||||
* on other devices it's visibility is controlled by an item on the Action Bar.
|
||||
*/
|
||||
public class MainActivity extends SampleActivityBase {
|
||||
|
||||
public static final String TAG = "MainActivity";
|
||||
|
||||
// Whether the Log Fragment is currently shown
|
||||
private boolean mLogShown;
|
||||
|
||||
@Override
|
||||
protected void onCreate(Bundle savedInstanceState) {
|
||||
super.onCreate(savedInstanceState);
|
||||
setContentView(R.layout.activity_main);
|
||||
|
||||
if (savedInstanceState == null) {
|
||||
FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
|
||||
DropTargetFragment fragment = new DropTargetFragment();
|
||||
transaction.replace(R.id.sample_content_fragment, fragment);
|
||||
transaction.commit();
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean onCreateOptionsMenu(Menu menu) {
|
||||
getMenuInflater().inflate(R.menu.main, menu);
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean onPrepareOptionsMenu(Menu menu) {
|
||||
MenuItem logToggle = menu.findItem(R.id.menu_toggle_log);
|
||||
logToggle.setVisible(findViewById(R.id.sample_output) instanceof ViewAnimator);
|
||||
logToggle.setTitle(mLogShown ? R.string.sample_hide_log : R.string.sample_show_log);
|
||||
|
||||
return super.onPrepareOptionsMenu(menu);
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean onOptionsItemSelected(MenuItem item) {
|
||||
switch(item.getItemId()) {
|
||||
case R.id.menu_toggle_log:
|
||||
mLogShown = !mLogShown;
|
||||
ViewAnimator output = (ViewAnimator) findViewById(R.id.sample_output);
|
||||
if (mLogShown) {
|
||||
output.setDisplayedChild(1);
|
||||
} else {
|
||||
output.setDisplayedChild(0);
|
||||
}
|
||||
supportInvalidateOptionsMenu();
|
||||
return true;
|
||||
}
|
||||
return super.onOptionsItemSelected(item);
|
||||
}
|
||||
|
||||
/** Create a chain of targets that will receive log data */
|
||||
@Override
|
||||
public void initializeLogging() {
|
||||
// Wraps Android's native log framework.
|
||||
LogWrapper logWrapper = new LogWrapper();
|
||||
// Using Log, front-end to the logging chain, emulates android.util.log method signatures.
|
||||
Log.setLogNode(logWrapper);
|
||||
|
||||
// Filter strips out everything except the message text.
|
||||
MessageOnlyLogFilter msgFilter = new MessageOnlyLogFilter();
|
||||
logWrapper.setNext(msgFilter);
|
||||
|
||||
// On screen logging via a fragment with a TextView.
|
||||
LogFragment logFragment = (LogFragment) getSupportFragmentManager()
|
||||
.findFragmentById(R.id.log_fragment);
|
||||
msgFilter.setNext(logFragment.getLogView());
|
||||
|
||||
Log.i(TAG, "Ready");
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue