android重力感应开发之微信摇一摇功能

本实例主要使用了android的重力感应功能并配合动画效果实现，主要代码如下：

第一：ShakeActivity主类：

package com.android.shake; 
 
import java.io.IOException; 
import java.util.HashMap; 
import android.app.Activity; 
import android.media.AudioManager; 
import android.media.SoundPool; 
import android.os.Bundle; 
import android.os.Handler; 
import android.os.Vibrator; 
import android.view.View; 
import android.view.animation.Animation; 
import android.view.animation.AnimationSet; 
import android.view.animation.TranslateAnimation; 
import android.widget.Button; 
import android.widget.RelativeLayout; 
import android.widget.SlidingDrawer; 
import android.widget.SlidingDrawer.OnDrawerCloseListener; 
import android.widget.SlidingDrawer.OnDrawerOpenListener; 
import android.widget.Toast; 
 
import com.android.shake.ShakeListener.OnShakeListener; 
 
public class ShakeActivity extends Activity{ 
 
 ShakeListener mShakeListener = null; 
 Vibrator mVibrator; 
 private RelativeLayout mImgUp; 
 private RelativeLayout mImgDn; 
 private RelativeLayout mTitle; 
 
 private SlidingDrawer mDrawer; 
 private Button mDrawerBtn; 
 private SoundPool sndPool; 
 private HashMap<Integer, Integer> soundPoolMap = new HashMap<Integer, Integer>(); 
 
 @Override 
 public void onCreate(Bundle savedInstanceState) { 
 // TODO Auto-generated method stub 
 super.onCreate(savedInstanceState); 
 setContentView(R.layout.shake_activity); 
 //drawerSet ();//设置 drawer监听 切换 按钮的方向 
 
 mVibrator = (Vibrator)getApplication().getSystemService(VIBRATOR_SERVICE); 
 
 mImgUp = (RelativeLayout) findViewById(R.id.shakeImgUp); 
 mImgDn = (RelativeLayout) findViewById(R.id.shakeImgDown); 
 mTitle = (RelativeLayout) findViewById(R.id.shake_title_bar); 
 
 mDrawer = (SlidingDrawer) findViewById(R.id.slidingDrawer1); 
 mDrawerBtn = (Button) findViewById(R.id.handle); 
 mDrawer.setOnDrawerOpenListener(new OnDrawerOpenListener() 
 { public void onDrawerOpened() 
 { 
 mDrawerBtn.setBackgroundDrawable(getResources().getDrawable(R.drawable.shake_report_dragger_down)); 
 TranslateAnimation titleup = new TranslateAnimation(Animation.RELATIVE_TO_SELF,0f,Animation.RELATIVE_TO_SELF,0f,Animation.RELATIVE_TO_SELF,0f,Animation.RELATIVE_TO_SELF,-1.0f); 
 titleup.setDuration(200); 
 titleup.setFillAfter(true); 
 mTitle.startAnimation(titleup); 
 } 
 }); 
 /* 设定SlidingDrawer被关闭的事件处理 */ 
 mDrawer.setOnDrawerCloseListener(new OnDrawerCloseListener() 
 { public void onDrawerClosed() 
 { 
 mDrawerBtn.setBackgroundDrawable(getResources().getDrawable(R.drawable.shake_report_dragger_up)); 
 TranslateAnimation titledn = new TranslateAnimation(Animation.RELATIVE_TO_SELF,0f,Animation.RELATIVE_TO_SELF,0f,Animation.RELATIVE_TO_SELF,-1.0f,Animation.RELATIVE_TO_SELF,0f); 
 titledn.setDuration(200); 
 titledn.setFillAfter(false); 
 mTitle.startAnimation(titledn); 
 } 
 }); 
 loadSound() ; 
 mShakeListener = new ShakeListener(this); 
 mShakeListener.setOnShakeListener(new OnShakeListener() { 
 public void onShake() { 
 //Toast.makeText(getApplicationContext(), "抱歉，暂时没有找到在同一时刻摇一摇的人。\n再试一次吧！", Toast.LENGTH_SHORT).show(); 
 startAnim(); //开始 摇一摇手掌动画 
 mShakeListener.stop(); 
 sndPool.play(soundPoolMap.get(0), (float) 1, (float) 1, 0, 0,(float) 1.2); 
 new Handler().postDelayed(new Runnable(){ 
  public void run(){ 
  //Toast.makeText(getApplicationContext(), "抱歉，暂时没有找到\n在同一时刻摇一摇的人。\n再试一次吧！", 500).setGravity(Gravity.CENTER,0,0).show(); 
  sndPool.play(soundPoolMap.get(1), (float) 1, (float) 1, 0, 0,(float) 1.0); 
  Toast mtoast; 
  mtoast = Toast.makeText(getApplicationContext(), 
   "抱歉，暂时没有找到\n在同一时刻摇一摇的人。\n再试一次吧！", 10); 
  //mtoast.setGravity(Gravity.CENTER, 0, 0); 
  mtoast.show(); 
  mVibrator.cancel(); 
  mShakeListener.start(); 
   
  } 
 }, 2000); 
 } 
 }); 
 } 
 
 
 
 private void loadSound() { 
 
 sndPool = new SoundPool(2, AudioManager.STREAM_SYSTEM, 5); 
 new Thread() { 
 public void run() { 
 try { 
  soundPoolMap.put( 
  0, 
  sndPool.load(getAssets().openFd( 
   "sound/shake_sound_male.mp3"), 1)); 
 
  soundPoolMap.put( 
  1, 
  sndPool.load(getAssets().openFd( 
   "sound/shake_match.mp3"), 1)); 
 } catch (IOException e) { 
  e.printStackTrace(); 
 } 
 } 
 }.start(); 
 } 
 
 public void startAnim () { //定义摇一摇动画动画 
 AnimationSet animup = new AnimationSet(true); 
 TranslateAnimation mytranslateanimup0 = new TranslateAnimation(Animation.RELATIVE_TO_SELF,0f,Animation.RELATIVE_TO_SELF,0f,Animation.RELATIVE_TO_SELF,0f,Animation.RELATIVE_TO_SELF,-0.5f); 
 mytranslateanimup0.setDuration(1000); 
 TranslateAnimation mytranslateanimup1 = new TranslateAnimation(Animation.RELATIVE_TO_SELF,0f,Animation.RELATIVE_TO_SELF,0f,Animation.RELATIVE_TO_SELF,0f,Animation.RELATIVE_TO_SELF,+0.5f); 
 mytranslateanimup1.setDuration(1000); 
 mytranslateanimup1.setStartOffset(1000); 
 animup.addAnimation(mytranslateanimup0); 
 animup.addAnimation(mytranslateanimup1); 
 mImgUp.startAnimation(animup); 
 
 AnimationSet animdn = new AnimationSet(true); 
 TranslateAnimation mytranslateanimdn0 = new TranslateAnimation(Animation.RELATIVE_TO_SELF,0f,Animation.RELATIVE_TO_SELF,0f,Animation.RELATIVE_TO_SELF,0f,Animation.RELATIVE_TO_SELF,+0.5f); 
 mytranslateanimdn0.setDuration(1000); 
 TranslateAnimation mytranslateanimdn1 = new TranslateAnimation(Animation.RELATIVE_TO_SELF,0f,Animation.RELATIVE_TO_SELF,0f,Animation.RELATIVE_TO_SELF,0f,Animation.RELATIVE_TO_SELF,-0.5f); 
 mytranslateanimdn1.setDuration(1000); 
 mytranslateanimdn1.setStartOffset(1000); 
 animdn.addAnimation(mytranslateanimdn0); 
 animdn.addAnimation(mytranslateanimdn1); 
 mImgDn.startAnimation(animdn); 
 } 
 public void startVibrato(){ //定义震动 
 mVibrator.vibrate( new long[]{500,200,500,200}, -1); //第一个｛｝里面是节奏数组， 第二个参数是重复次数，-1为不重复，非-1俄日从pattern的指定下标开始重复 
 } 
 
 public void shake_activity_back(View v) { //标题栏 返回按钮 
 this.finish(); 
 } 
 public void linshi(View v) { //标题栏 
 startAnim(); 
 } 
 @Override 
 protected void onDestroy() { 
 super.onDestroy(); 
 if (mShakeListener != null) { 
 mShakeListener.stop(); 
 } 
 } 
}

代码：

package com.android.shake; 
 
import java.io.IOException; 
import java.util.HashMap; 
import android.app.Activity; 
import android.media.AudioManager; 
import android.media.SoundPool; 
import android.os.Bundle; 
import android.os.Handler; 
import android.os.Vibrator; 
import android.view.View; 
import android.view.animation.Animation; 
import android.view.animation.AnimationSet; 
import android.view.animation.TranslateAnimation; 
import android.widget.Button; 
import android.widget.RelativeLayout; 
import android.widget.SlidingDrawer; 
import android.widget.SlidingDrawer.OnDrawerCloseListener; 
import android.widget.SlidingDrawer.OnDrawerOpenListener; 
import android.widget.Toast; 
 
import com.android.shake.ShakeListener.OnShakeListener; 
 
public class ShakeActivity extends Activity{ 
 
 ShakeListener mShakeListener = null; 
 Vibrator mVibrator; 
 private RelativeLayout mImgUp; 
 private RelativeLayout mImgDn; 
 private RelativeLayout mTitle; 
 
 private SlidingDrawer mDrawer; 
 private Button mDrawerBtn; 
 private SoundPool sndPool; 
 private HashMap<Integer, Integer> soundPoolMap = new HashMap<Integer, Integer>(); 
 
 @Override 
 public void onCreate(Bundle savedInstanceState) { 
 // TODO Auto-generated method stub 
 super.onCreate(savedInstanceState); 
 setContentView(R.layout.shake_activity); 
 //drawerSet ();//设置 drawer监听 切换 按钮的方向 
 
 mVibrator = (Vibrator)getApplication().getSystemService(VIBRATOR_SERVICE); 
 
 mImgUp = (RelativeLayout) findViewById(R.id.shakeImgUp); 
 mImgDn = (RelativeLayout) findViewById(R.id.shakeImgDown); 
 mTitle = (RelativeLayout) findViewById(R.id.shake_title_bar); 
 
 mDrawer = (SlidingDrawer) findViewById(R.id.slidingDrawer1); 
 mDrawerBtn = (Button) findViewById(R.id.handle); 
 mDrawer.setOnDrawerOpenListener(new OnDrawerOpenListener() 
 { public void onDrawerOpened() 
 { 
 mDrawerBtn.setBackgroundDrawable(getResources().getDrawable(R.drawable.shake_report_dragger_down)); 
 TranslateAnimation titleup = new TranslateAnimation(Animation.RELATIVE_TO_SELF,0f,Animation.RELATIVE_TO_SELF,0f,Animation.RELATIVE_TO_SELF,0f,Animation.RELATIVE_TO_SELF,-1.0f); 
 titleup.setDuration(200); 
 titleup.setFillAfter(true); 
 mTitle.startAnimation(titleup); 
 } 
 }); 
 /* 设定SlidingDrawer被关闭的事件处理 */ 
 mDrawer.setOnDrawerCloseListener(new OnDrawerCloseListener() 
 { public void onDrawerClosed() 
 { 
 mDrawerBtn.setBackgroundDrawable(getResources().getDrawable(R.drawable.shake_report_dragger_up)); 
 TranslateAnimation titledn = new TranslateAnimation(Animation.RELATIVE_TO_SELF,0f,Animation.RELATIVE_TO_SELF,0f,Animation.RELATIVE_TO_SELF,-1.0f,Animation.RELATIVE_TO_SELF,0f); 
 titledn.setDuration(200); 
 titledn.setFillAfter(false); 
 mTitle.startAnimation(titledn); 
 } 
 }); 
 loadSound() ; 
 mShakeListener = new ShakeListener(this); 
 mShakeListener.setOnShakeListener(new OnShakeListener() { 
 public void onShake() { 
 //Toast.makeText(getApplicationContext(), "抱歉，暂时没有找到在同一时刻摇一摇的人。\n再试一次吧！", Toast.LENGTH_SHORT).show(); 
 startAnim(); //开始 摇一摇手掌动画 
 mShakeListener.stop(); 
 sndPool.play(soundPoolMap.get(0), (float) 1, (float) 1, 0, 0,(float) 1.2); 
 new Handler().postDelayed(new Runnable(){ 
  public void run(){ 
  //Toast.makeText(getApplicationContext(), "抱歉，暂时没有找到\n在同一时刻摇一摇的人。\n再试一次吧！", 500).setGravity(Gravity.CENTER,0,0).show(); 
  sndPool.play(soundPoolMap.get(1), (float) 1, (float) 1, 0, 0,(float) 1.0); 
  Toast mtoast; 
  mtoast = Toast.makeText(getApplicationContext(), 
   "抱歉，暂时没有找到\n在同一时刻摇一摇的人。\n再试一次吧！", 10); 
  //mtoast.setGravity(Gravity.CENTER, 0, 0); 
  mtoast.show(); 
  mVibrator.cancel(); 
  mShakeListener.start(); 
   
  } 
 }, 2000); 
 } 
 }); 
 } 
 
 
 
 private void loadSound() { 
 
 sndPool = new SoundPool(2, AudioManager.STREAM_SYSTEM, 5); 
 new Thread() { 
 public void run() { 
 try { 
  soundPoolMap.put( 
  0, 
  sndPool.load(getAssets().openFd( 
   "sound/shake_sound_male.mp3"), 1)); 
 
  soundPoolMap.put( 
  1, 
  sndPool.load(getAssets().openFd( 
   "sound/shake_match.mp3"), 1)); 
 } catch (IOException e) { 
  e.printStackTrace(); 
 } 
 } 
 }.start(); 
 } 
 
 public void startAnim () { //定义摇一摇动画动画 
 AnimationSet animup = new AnimationSet(true); 
 TranslateAnimation mytranslateanimup0 = new TranslateAnimation(Animation.RELATIVE_TO_SELF,0f,Animation.RELATIVE_TO_SELF,0f,Animation.RELATIVE_TO_SELF,0f,Animation.RELATIVE_TO_SELF,-0.5f); 
 mytranslateanimup0.setDuration(1000); 
 TranslateAnimation mytranslateanimup1 = new TranslateAnimation(Animation.RELATIVE_TO_SELF,0f,Animation.RELATIVE_TO_SELF,0f,Animation.RELATIVE_TO_SELF,0f,Animation.RELATIVE_TO_SELF,+0.5f); 
 mytranslateanimup1.setDuration(1000); 
 mytranslateanimup1.setStartOffset(1000); 
 animup.addAnimation(mytranslateanimup0); 
 animup.addAnimation(mytranslateanimup1); 
 mImgUp.startAnimation(animup); 
 
 AnimationSet animdn = new AnimationSet(true); 
 TranslateAnimation mytranslateanimdn0 = new TranslateAnimation(Animation.RELATIVE_TO_SELF,0f,Animation.RELATIVE_TO_SELF,0f,Animation.RELATIVE_TO_SELF,0f,Animation.RELATIVE_TO_SELF,+0.5f); 
 mytranslateanimdn0.setDuration(1000); 
 TranslateAnimation mytranslateanimdn1 = new TranslateAnimation(Animation.RELATIVE_TO_SELF,0f,Animation.RELATIVE_TO_SELF,0f,Animation.RELATIVE_TO_SELF,0f,Animation.RELATIVE_TO_SELF,-0.5f); 
 mytranslateanimdn1.setDuration(1000); 
 mytranslateanimdn1.setStartOffset(1000); 
 animdn.addAnimation(mytranslateanimdn0); 
 animdn.addAnimation(mytranslateanimdn1); 
 mImgDn.startAnimation(animdn); 
 } 
 public void startVibrato(){ //定义震动 
 mVibrator.vibrate( new long[]{500,200,500,200}, -1); //第一个｛｝里面是节奏数组， 第二个参数是重复次数，-1为不重复，非-1俄日从pattern的指定下标开始重复 
 } 
 
 public void shake_activity_back(View v) { //标题栏 返回按钮 
 this.finish(); 
 } 
 public void linshi(View v) { //标题栏 
 startAnim(); 
 } 
 @Override 
 protected void onDestroy() { 
 super.onDestroy(); 
 if (mShakeListener != null) { 
 mShakeListener.stop(); 
 } 
 } 
}

第二：一个检测手机摇晃的监听器类ShakeListener ，代码如下：

package com.android.shake; 
 
import android.content.Context; 
import android.hardware.Sensor; 
import android.hardware.SensorEvent; 
import android.hardware.SensorEventListener; 
import android.hardware.SensorManager; 
import android.util.Log; 
 
/** 
 * 一个检测手机摇晃的监听器 
 */ 
public class ShakeListener implements SensorEventListener { 
 // 速度阈值，当摇晃速度达到这值后产生作用 
 private static final int SPEED_SHRESHOLD = 2000; 
 // 两次检测的时间间隔 
 private static final int UPTATE_INTERVAL_TIME = 70; 
 // 传感器管理器 
 private SensorManager sensorManager; 
 // 传感器 
 private Sensor sensor; 
 // 重力感应监听器 
 private OnShakeListener onShakeListener; 
 // 上下文 
 private Context mContext; 
 // 手机上一个位置时重力感应坐标 
 private float lastX; 
 private float lastY; 
 private float lastZ; 
 // 上次检测时间 
 private long lastUpdateTime; 
 
 // 构造器 
 public ShakeListener(Context c) { 
 // 获得监听对象 
 mContext = c; 
 start(); 
 } 
 
 // 开始 
 public void start() { 
 // 获得传感器管理器 
 sensorManager = (SensorManager) mContext 
 .getSystemService(Context.SENSOR_SERVICE); 
 if (sensorManager != null) { 
 // 获得重力传感器 
 sensor = sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER); 
 } 
 // 注册 
 if (sensor != null) { 
 sensorManager.registerListener(this, sensor, 
  SensorManager.SENSOR_DELAY_GAME); 
 } 
 
 } 
 
 // 停止检测 
 public void stop() { 
 sensorManager.unregisterListener(this); 
 } 
 
 // 设置重力感应监听器 
 public void setOnShakeListener(OnShakeListener listener) { 
 onShakeListener = listener; 
 } 
 
 // 重力感应器感应获得变化数据 
 public void onSensorChanged(SensorEvent event) { 
 // 现在检测时间 
 long currentUpdateTime = System.currentTimeMillis(); 
 // 两次检测的时间间隔 
 long timeInterval = currentUpdateTime - lastUpdateTime; 
 // 判断是否达到了检测时间间隔 
 if (timeInterval < UPTATE_INTERVAL_TIME) 
 return; 
 // 现在的时间变成last时间 
 lastUpdateTime = currentUpdateTime; 
 
 // 获得x,y,z坐标 
 float x = event.values[0]; 
 float y = event.values[1]; 
 float z = event.values[2]; 
 
 // 获得x,y,z的变化值 
 float deltaX = x - lastX; 
 float deltaY = y - lastY; 
 float deltaZ = z - lastZ; 
 
 // 将现在的坐标变成last坐标 
 lastX = x; 
 lastY = y; 
 lastZ = z; 
 
 double speed = Math.sqrt(deltaX * deltaX + deltaY * deltaY + deltaZ 
 * deltaZ) 
 / timeInterval * 10000; 
 // 达到速度阀值，发出提示 
 if (speed >= SPEED_SHRESHOLD) { 
 onShakeListener.onShake(); 
 } 
 } 
 
 public void onAccuracyChanged(Sensor sensor, int accuracy) { 
 
 } 
 
 // 摇晃监听接口 
 public interface OnShakeListener { 
 public void onShake(); 
 } 
 
}

代码：

package com.android.shake; 
 
import android.content.Context; 
import android.hardware.Sensor; 
import android.hardware.SensorEvent; 
import android.hardware.SensorEventListener; 
import android.hardware.SensorManager; 
import android.util.Log; 
 
/** 
 * 一个检测手机摇晃的监听器 
 */ 
public class ShakeListener implements SensorEventListener { 
 // 速度阈值，当摇晃速度达到这值后产生作用 
 private static final int SPEED_SHRESHOLD = 2000; 
 // 两次检测的时间间隔 
 private static final int UPTATE_INTERVAL_TIME = 70; 
 // 传感器管理器 
 private SensorManager sensorManager; 
 // 传感器 
 private Sensor sensor; 
 // 重力感应监听器 
 private OnShakeListener onShakeListener; 
 // 上下文 
 private Context mContext; 
 // 手机上一个位置时重力感应坐标 
 private float lastX; 
 private float lastY; 
 private float lastZ; 
 // 上次检测时间 
 private long lastUpdateTime; 
 
 // 构造器 
 public ShakeListener(Context c) { 
 // 获得监听对象 
 mContext = c; 
 start(); 
 } 
 
 // 开始 
 public void start() { 
 // 获得传感器管理器 
 sensorManager = (SensorManager) mContext 
 .getSystemService(Context.SENSOR_SERVICE); 
 if (sensorManager != null) { 
 // 获得重力传感器 
 sensor = sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER); 
 } 
 // 注册 
 if (sensor != null) { 
 sensorManager.registerListener(this, sensor, 
  SensorManager.SENSOR_DELAY_GAME); 
 } 
 
 } 
 
 // 停止检测 
 public void stop() { 
 sensorManager.unregisterListener(this); 
 } 
 
 // 设置重力感应监听器 
 public void setOnShakeListener(OnShakeListener listener) { 
 onShakeListener = listener; 
 } 
 
 // 重力感应器感应获得变化数据 
 public void onSensorChanged(SensorEvent event) { 
 // 现在检测时间 
 long currentUpdateTime = System.currentTimeMillis(); 
 // 两次检测的时间间隔 
 long timeInterval = currentUpdateTime - lastUpdateTime; 
 // 判断是否达到了检测时间间隔 
 if (timeInterval < UPTATE_INTERVAL_TIME) 
 return; 
 // 现在的时间变成last时间 
 lastUpdateTime = currentUpdateTime; 
 
 // 获得x,y,z坐标 
 float x = event.values[0]; 
 float y = event.values[1]; 
 float z = event.values[2]; 
 
 // 获得x,y,z的变化值 
 float deltaX = x - lastX; 
 float deltaY = y - lastY; 
 float deltaZ = z - lastZ; 
 
 // 将现在的坐标变成last坐标 
 lastX = x; 
 lastY = y; 
 lastZ = z; 
 
 double speed = Math.sqrt(deltaX * deltaX + deltaY * deltaY + deltaZ 
 * deltaZ) 
 / timeInterval * 10000; 
 // 达到速度阀值，发出提示 
 if (speed >= SPEED_SHRESHOLD) { 
 onShakeListener.onShake(); 
 } 
 } 
 
 public void onAccuracyChanged(Sensor sensor, int accuracy) { 
 
 } 
 
 // 摇晃监听接口 
 public interface OnShakeListener { 
 public void onShake(); 
 } 
 
}

第三：必须在AndroidManifest.xml中添加权限，否侧摇动时不能监听

<uses-permission android:name="android.hardware.sensor.accelerometer"/>

第四：效果图：

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持华域联盟。

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