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upload android base code part7

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August 2018-08-08 18:09:17 +08:00
parent 4e516ec6ed
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18
android/development/samples/Compass/Android.mk Normal file
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LOCAL_PATH:= $(call my-dir)
include $(CLEAR_VARS)
LOCAL_MODULE_TAGS := samples
# Only compile source java files in this apk.
LOCAL_SRC_FILES := $(call all-java-files-under, src)
LOCAL_PACKAGE_NAME := Compass
LOCAL_SDK_VERSION := current
LOCAL_DEX_PREOPT := false
include $(BUILD_PACKAGE)
# Use the following include to make our test apk.
include $(call all-makefiles-under,$(LOCAL_PATH))

58
android/development/samples/Compass/AndroidManifest.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2007 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.
-->
<!-- This file describes the code in the Compass package, which is
used by the system to determine how to start your application and
integrate it with the rest of the system. -->
<!-- Declare the contents of this Android application. The namespace
attribute brings in the Android platform namespace, and the package
supplies a unique name for the application. When writing your
own application, the package name must be changed from "com.example.*"
to come from a domain that you own or have control over. -->
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.android.compass">
<!-- This package contains an application... The 'label' is the name
to display to the user for the overall application, and provides
a default label for all following components. The syntax here is a
reference to one of our string resources.-->
<application android:label="@string/compass_app">
<!-- An Activity in the application - this is something the user
can launch and interact with. The "name" attribute is the
name of the class within your package that implements this
activity. -->
<activity android:name="CompassActivity">
<!-- An IntentFilter tells the system when it should use your
activity. This allows the user to get to your activity
without someone having to explicitly know to launch your
class "com.example.android.compass_app.CompassActivity". -->
<intent-filter>
<!-- The MAIN action describes a main entry point into an
activity, without any associated data. -->
<action android:name="android.intent.action.MAIN" />
<!-- This places this activity into the main app list. -->
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>

24
android/development/samples/Compass/res/values/strings.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2007 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.
-->
<!-- This file contains resource definitions for displayed strings, allowing
them to be changed based on the locale and options. -->
<resources>
<!-- Simple strings. -->
<string name="compass_app">Compass</string>
</resources>

241
android/development/samples/Compass/src/com/example/android/compass/CompassActivity.java Normal file
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/*
* Copyright (C) 2008 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.compass;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.FloatBuffer;
import javax.microedition.khronos.egl.EGL10;
import javax.microedition.khronos.egl.EGLConfig;
import javax.microedition.khronos.opengles.GL10;
import static javax.microedition.khronos.opengles.GL10.*;
import android.app.Activity;
import android.content.Context;
import android.hardware.Sensor;
import android.hardware.SensorEvent;
import android.hardware.SensorEventListener;
import android.hardware.SensorManager;
import android.opengl.GLSurfaceView;
import android.opengl.GLSurfaceView.Renderer;
import android.os.Bundle;
import android.util.Log;
/**
* This class provides a basic demonstration of how to use the
* {@link android.hardware.SensorManager SensorManager} API to draw
* a 3D compass.
*/
public class CompassActivity extends Activity implements Renderer, SensorEventListener {
private GLSurfaceView mGLSurfaceView;
private SensorManager mSensorManager;
private float[] mGData = new float[3];
private float[] mMData = new float[3];
private float[] mR = new float[16];
private float[] mI = new float[16];
private FloatBuffer mVertexBuffer;
private FloatBuffer mColorBuffer;
private ByteBuffer mIndexBuffer;
private float[] mOrientation = new float[3];
private int mCount;
public CompassActivity() {
}
/** Called with the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mSensorManager = (SensorManager)getSystemService(Context.SENSOR_SERVICE);
mGLSurfaceView = new GLSurfaceView(this);
mGLSurfaceView.setRenderer(this);
setContentView(mGLSurfaceView);
}
@Override
protected void onResume() {
// Ideally a game should implement onResume() and onPause()
// to take appropriate action when the activity looses focus
super.onResume();
mGLSurfaceView.onResume();
Sensor gsensor = mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
Sensor msensor = mSensorManager.getDefaultSensor(Sensor.TYPE_MAGNETIC_FIELD);
mSensorManager.registerListener(this, gsensor, SensorManager.SENSOR_DELAY_GAME);
mSensorManager.registerListener(this, msensor, SensorManager.SENSOR_DELAY_GAME);
}
@Override
protected void onPause() {
// Ideally a game should implement onResume() and onPause()
// to take appropriate action when the activity looses focus
super.onPause();
mGLSurfaceView.onPause();
mSensorManager.unregisterListener(this);
}
public void onDrawFrame(GL10 gl) {
/*
* Usually, the first thing one might want to do is to clear
* the screen. The most efficient way of doing this is to use
* glClear().
*/
gl.glClear(GL10.GL_COLOR_BUFFER_BIT | GL10.GL_DEPTH_BUFFER_BIT);
/*
* Now we're ready to draw some 3D objects
*/
gl.glMatrixMode(GL10.GL_MODELVIEW);
gl.glLoadIdentity();
gl.glTranslatef(0, 0, -2);
/*
* All the magic happens here. The rotation matrix mR reported by
* SensorManager.getRotationMatrix() is a 4x4 row-major matrix.
* We need to use its inverse for rendering. The inverse is
* simply calculated by taking the matrix' transpose. However, since
* glMultMatrixf() expects a column-major matrix, we can use mR
* directly!
*/
gl.glMultMatrixf(mR, 0);
// some test code which will be used/cleaned up before we ship this.
//gl.glMultMatrixf(mI, 0);
gl.glVertexPointer(3, GL_FLOAT, 0, mVertexBuffer);
gl.glColorPointer(4, GL_FLOAT, 0, mColorBuffer);
gl.glDrawElements(GL_LINES, 6, GL_UNSIGNED_BYTE, mIndexBuffer);
}
public void onSurfaceChanged(GL10 gl, int width, int height) {
gl.glViewport(0, 0, width, height);
/*
* Set our projection matrix. This doesn't have to be done
* each time we draw, but usually a new projection needs to
* be set when the viewport is resized.
*/
float ratio = (float) width / height;
gl.glMatrixMode(GL10.GL_PROJECTION);
gl.glLoadIdentity();
gl.glFrustumf(-ratio, ratio, -1, 1, 1, 10);
}
public void onSurfaceCreated(GL10 gl, EGLConfig config) {
/*
* By default, OpenGL enables features that improve quality
* but reduce performance. One might want to tweak that
* especially on software renderer.
*/
gl.glDisable(GL10.GL_DITHER);
/*
* Some one-time OpenGL initialization can be made here
* probably based on features of this particular context
*/
gl.glClearColor(1,1,1,1);
gl.glEnable(GL10.GL_CULL_FACE);
gl.glShadeModel(GL10.GL_SMOOTH);
gl.glEnable(GL10.GL_DEPTH_TEST);
/*
* create / load the our 3D models here
*/
gl.glEnableClientState(GL10.GL_VERTEX_ARRAY);
gl.glEnableClientState(GL10.GL_COLOR_ARRAY);
float vertices[] = {
0,0,0,
1,0,0,
0,1,0,
0,0,1
};
float colors[] = {
0,0,0,0,
1,0,0,1,
0,1,0,1,
0,0,1,1
};
byte indices[] = { 0, 1, 0, 2, 0, 3 };
// Buffers to be passed to gl*Pointer() functions
// must be direct, i.e., they must be placed on the
// native heap where the garbage collector cannot
// move them.
//
// Buffers with multi-byte datatypes (e.g., short, int, float)
// must have their byte order set to native order
ByteBuffer vbb;
vbb = ByteBuffer.allocateDirect(vertices.length*4);
vbb.order(ByteOrder.nativeOrder());
mVertexBuffer = vbb.asFloatBuffer();
mVertexBuffer.put(vertices);
mVertexBuffer.position(0);
vbb = ByteBuffer.allocateDirect(colors.length*4);
vbb.order(ByteOrder.nativeOrder());
mColorBuffer = vbb.asFloatBuffer();
mColorBuffer.put(colors);
mColorBuffer.position(0);
mIndexBuffer = ByteBuffer.allocateDirect(indices.length);
mIndexBuffer.put(indices);
mIndexBuffer.position(0);
}
public void onAccuracyChanged(Sensor sensor, int accuracy) {
}
public void onSensorChanged(SensorEvent event) {
int type = event.sensor.getType();
float[] data;
if (type == Sensor.TYPE_ACCELEROMETER) {
data = mGData;
} else if (type == Sensor.TYPE_MAGNETIC_FIELD) {
data = mMData;
} else {
// we should not be here.
return;
}
for (int i=0 ; i<3 ; i++)
data[i] = event.values[i];
SensorManager.getRotationMatrix(mR, mI, mGData, mMData);
// some test code which will be used/cleaned up before we ship this.
// SensorManager.remapCoordinateSystem(mR,
// SensorManager.AXIS_X, SensorManager.AXIS_Z, mR);
// SensorManager.remapCoordinateSystem(mR,
// SensorManager.AXIS_Y, SensorManager.AXIS_MINUS_X, mR);
SensorManager.getOrientation(mR, mOrientation);
float incl = SensorManager.getInclination(mI);
if (mCount++ > 50) {
final float rad2deg = (float)(180.0f/Math.PI);
mCount = 0;
Log.d("Compass", "yaw: " + (int)(mOrientation[0]*rad2deg) +
" pitch: " + (int)(mOrientation[1]*rad2deg) +
" roll: " + (int)(mOrientation[2]*rad2deg) +
" incl: " + (int)(incl*rad2deg)
);
}
}
}