upload android base code part7
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<!-- Copyright (C) 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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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.bitmapscaling"
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android:versionCode="1"
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android:versionName="1.0" >
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<uses-sdk
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android:minSdkVersion="8"
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android:targetSdkVersion="15" />
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<application
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android:icon="@drawable/ic_launcher"
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android:label="@string/app_name"
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android:theme="@style/AppTheme" >
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<activity
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android:name="com.example.android.bitmapscaling.BitmapScaling"
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android:label="@string/title_activity_bitmap_scaling" >
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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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<!-- Copyright (C) 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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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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xmlns:tools="http://schemas.android.com/tools"
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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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<TextView
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android:text="@string/original_image"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content" />
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<ImageView
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android:id="@+id/originalImageHolder"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content" />
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<TextView
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android:text="@string/scaled_images"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content" />
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<LinearLayout
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android:id="@+id/scaledImageContainer"
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android:orientation="horizontal"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content" />
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</LinearLayout>
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<!-- Copyright (C) 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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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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<style name="AppTheme" parent="android:Theme.Holo.Light" />
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</resources>
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<!-- Copyright (C) 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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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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<style name="AppTheme" parent="android:Theme.Holo.Light.DarkActionBar" />
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</resources>
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<!-- Copyright (C) 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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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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<string name="app_name">BitmapScaling</string>
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<string name="title_activity_bitmap_scaling">BitmapScaling</string>
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<string name="original_image">Original Image</string>
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<string name="scaled_images">Scaled Images</string>
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</resources>
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<!-- Copyright (C) 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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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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<style name="AppTheme" parent="android:Theme.Light" />
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</resources>
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/*
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* Copyright (C) 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,
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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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package com.example.android.bitmapscaling;
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import android.app.Activity;
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import android.graphics.Bitmap;
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import android.graphics.BitmapFactory;
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import android.os.Bundle;
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import android.widget.ImageView;
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import android.widget.LinearLayout;
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import android.widget.LinearLayout.LayoutParams;
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/**
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* This example shows how the use of BitmapOptions affects the resulting size of a loaded
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* bitmap. Sub-sampling can speed up load times and reduce the need for large bitmaps
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* in memory if your target bitmap size is much smaller, although it's good to understand
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* that you can't get specific Bitmap sizes, but rather power-of-two reductions in sizes.
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*
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* Watch the associated video for this demo on the DevBytes channel of developer.android.com
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* or on YouTube at https://www.youtube.com/watch?v=12cB7gnL6po.
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*/
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public class BitmapScaling extends Activity {
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_bitmap_scaling);
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LinearLayout container = (LinearLayout) findViewById(R.id.scaledImageContainer);
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ImageView originalImageView = (ImageView) findViewById(R.id.originalImageHolder);
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Bitmap bitmap = BitmapFactory.decodeResource(getResources(),
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R.drawable.jellybean_statue);
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originalImageView.setImageBitmap(bitmap);
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for (int i = 2; i < 10; ++i) {
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addScaledImageView(bitmap, i, container);
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}
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}
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private void addScaledImageView(Bitmap original, int sampleSize, LinearLayout container) {
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// inSampleSize tells the loader how much to scale the final image, which it does at
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// load time by simply reading less pixels for every pixel value in the final bitmap.
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// Note that it only scales by powers of two, so a value of two results in a bitmap
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// 1/2 the size of the original and a value of four results in a bitmap 1/4 the original
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// size. Intermediate values are rounded down, so a value of three results in a bitmap 1/2
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// the original size.
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BitmapFactory.Options bitmapOptions = new BitmapFactory.Options();
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bitmapOptions.inSampleSize = sampleSize;
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Bitmap scaledBitmap = BitmapFactory.decodeResource(getResources(),
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R.drawable.jellybean_statue, bitmapOptions);
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ImageView scaledImageView = new ImageView(this);
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scaledImageView.setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT,
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LayoutParams.WRAP_CONTENT));
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scaledImageView.setImageBitmap(scaledBitmap);
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container.addView(scaledImageView);
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}
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}
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