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小編給大家分享一下android重力感應開發之實現微信搖一搖功能的示例分析，希望大家閱讀完這篇文章之后都有所收獲，下面讓我們一起去探討吧！
主要代碼如下：
第一：ShakeActivity主類：
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 ();//設置 drawer監聽 切換 按鈕的方向
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);
}
});
/* 設定SlidingDrawer被關閉的事件處理 */
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，暫時沒有找到在同一時刻搖一搖的人。\n再試一次吧！", Toast.LENGTH_SHORT).show();
startAnim(); //開始 搖一搖手掌動畫
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，暫時沒有找到\n在同一時刻搖一搖的人。\n再試一次吧！", 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，暫時沒有找到\n在同一時刻搖一搖的人。\n再試一次吧！", 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 () { //定義搖一搖動畫動畫
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(){ //定義震動
mVibrator.vibrate( new long[]{500,200,500,200}, -1); //第一個｛｝里面是節奏數組， 第二個參數是重復次數，-1為不重復，非-1俄日從pattern的指定下標開始重復
}
public void shake_activity_back(View v) { //標題欄 返回按鈕
this.finish();
}
public void linshi(View v) { //標題欄
startAnim();
}
@Override
protected void onDestroy() {
super.onDestroy();
if (mShakeListener != null) {
mShakeListener.stop();
}
}
}代碼：
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 ();//設置 drawer監聽 切換 按鈕的方向
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);
}
});
/* 設定SlidingDrawer被關閉的事件處理 */
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，暫時沒有找到在同一時刻搖一搖的人。\n再試一次吧！", Toast.LENGTH_SHORT).show();
startAnim(); //開始 搖一搖手掌動畫
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，暫時沒有找到\n在同一時刻搖一搖的人。\n再試一次吧！", 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，暫時沒有找到\n在同一時刻搖一搖的人。\n再試一次吧！", 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 () { //定義搖一搖動畫動畫
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(){ //定義震動
mVibrator.vibrate( new long[]{500,200,500,200}, -1); //第一個｛｝里面是節奏數組， 第二個參數是重復次數，-1為不重復，非-1俄日從pattern的指定下標開始重復
}
public void shake_activity_back(View v) { //標題欄 返回按鈕
this.finish();
}
public void linshi(View v) { //標題欄
startAnim();
}
@Override
protected void onDestroy() {
super.onDestroy();
if (mShakeListener != null) {
mShakeListener.stop();
}
}
}第二：一個檢測手機搖晃的監聽器類ShakeListener ，代碼如下：
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;
/**
* 一個檢測手機搖晃的監聽器
*/
public class ShakeListener implements SensorEventListener {
// 速度閾值，當搖晃速度達到這值后產生作用
private static final int SPEED_SHRESHOLD = 2000;
// 兩次檢測的時間間隔
private static final int UPTATE_INTERVAL_TIME = 70;
// 傳感器管理器
private SensorManager sensorManager;
// 傳感器
private Sensor sensor;
// 重力感應監聽器
private OnShakeListener onShakeListener;
// 上下文
private Context mContext;
// 手機上一個位置時重力感應坐標
private float lastX;
private float lastY;
private float lastZ;
// 上次檢測時間
private long lastUpdateTime;
// 構造器
public ShakeListener(Context c) {
// 獲得監聽對象
mContext = c;
start();
}
// 開始
public void start() {
// 獲得傳感器管理器
sensorManager = (SensorManager) mContext
.getSystemService(Context.SENSOR_SERVICE);
if (sensorManager != null) {
// 獲得重力傳感器
sensor = sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
}
// 注冊
if (sensor != null) {
sensorManager.registerListener(this, sensor,
SensorManager.SENSOR_DELAY_GAME);
}
}
// 停止檢測
public void stop() {
sensorManager.unregisterListener(this);
}
// 設置重力感應監聽器
public void setOnShakeListener(OnShakeListener listener) {
onShakeListener = listener;
}
// 重力感應器感應獲得變化數據
public void onSensorChanged(SensorEvent event) {
// 現在檢測時間
long currentUpdateTime = System.currentTimeMillis();
// 兩次檢測的時間間隔
long timeInterval = currentUpdateTime - lastUpdateTime;
// 判斷是否達到了檢測時間間隔
if (timeInterval < UPTATE_INTERVAL_TIME)
return;
// 現在的時間變成last時間
lastUpdateTime = currentUpdateTime;
// 獲得x,y,z坐標
float x = event.values[0];
float y = event.values[1];
float z = event.values[2];
// 獲得x,y,z的變化值
float deltaX = x - lastX;
float deltaY = y - lastY;
float deltaZ = z - lastZ;
// 將現在的坐標變成last坐標
lastX = x;
lastY = y;
lastZ = z;
double speed = Math.sqrt(deltaX * deltaX + deltaY * deltaY + deltaZ
* deltaZ)
/ timeInterval * 10000;
// 達到速度閥值，發出提示
if (speed >= SPEED_SHRESHOLD) {
onShakeListener.onShake();
}
}
public void onAccuracyChanged(Sensor sensor, int accuracy) {
}
// 搖晃監聽接口
public interface OnShakeListener {
public void onShake();
}
}代碼：
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;
/**
* 一個檢測手機搖晃的監聽器
*/
public class ShakeListener implements SensorEventListener {
// 速度閾值，當搖晃速度達到這值后產生作用
private static final int SPEED_SHRESHOLD = 2000;
// 兩次檢測的時間間隔
private static final int UPTATE_INTERVAL_TIME = 70;
// 傳感器管理器
private SensorManager sensorManager;
// 傳感器
private Sensor sensor;
// 重力感應監聽器
private OnShakeListener onShakeListener;
// 上下文
private Context mContext;
// 手機上一個位置時重力感應坐標
private float lastX;
private float lastY;
private float lastZ;
// 上次檢測時間
private long lastUpdateTime;
// 構造器
public ShakeListener(Context c) {
// 獲得監聽對象
mContext = c;
start();
}
// 開始
public void start() {
// 獲得傳感器管理器
sensorManager = (SensorManager) mContext
.getSystemService(Context.SENSOR_SERVICE);
if (sensorManager != null) {
// 獲得重力傳感器
sensor = sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
}
// 注冊
if (sensor != null) {
sensorManager.registerListener(this, sensor,
SensorManager.SENSOR_DELAY_GAME);
}
}
// 停止檢測
public void stop() {
sensorManager.unregisterListener(this);
}
// 設置重力感應監聽器
public void setOnShakeListener(OnShakeListener listener) {
onShakeListener = listener;
}
// 重力感應器感應獲得變化數據
public void onSensorChanged(SensorEvent event) {
// 現在檢測時間
long currentUpdateTime = System.currentTimeMillis();
// 兩次檢測的時間間隔
long timeInterval = currentUpdateTime - lastUpdateTime;
// 判斷是否達到了檢測時間間隔
if (timeInterval < UPTATE_INTERVAL_TIME)
return;
// 現在的時間變成last時間
lastUpdateTime = currentUpdateTime;
// 獲得x,y,z坐標
float x = event.values[0];
float y = event.values[1];
float z = event.values[2];
// 獲得x,y,z的變化值
float deltaX = x - lastX;
float deltaY = y - lastY;
float deltaZ = z - lastZ;
// 將現在的坐標變成last坐標
lastX = x;
lastY = y;
lastZ = z;
double speed = Math.sqrt(deltaX * deltaX + deltaY * deltaY + deltaZ
* deltaZ)
/ timeInterval * 10000;
// 達到速度閥值，發出提示
if (speed >= SPEED_SHRESHOLD) {
onShakeListener.onShake();
}
}
public void onAccuracyChanged(Sensor sensor, int accuracy) {
}
// 搖晃監聽接口
public interface OnShakeListener {
public void onShake();
}
}第三：必須在AndroidManifest.xml中添加權限，否側搖動時不能監聽
<uses-permission android:name="android.hardware.sensor.accelerometer"/>
第四：效果圖：
看完了這篇文章，相信你對“android重力感應開發之實現微信搖一搖功能的示例分析”有了一定的了解，如果想了解更多相關知識，歡迎關注億速云行業資訊頻道，感謝各位的閱讀！
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