出處：http://jingyan.baidu.com/article/f3ad7d0f13e07909c3345baa.html
android實現搖一搖功能簡單實現，動畫自定義
工具/原料
android開發工具 有加重器功能的安卓手機
方法/步驟
配置文件
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="#111"
android:orientation="vertical" >
<ImageView
android:id="@+id/shakeBg"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:contentDescription="@null"
android:src="@drawable/shakehideimg_man" />
<LinearLayout
android:id="@+id/shake_content"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:gravity="center"
android:orientation="vertical" >
<RelativeLayout
android:id="@+id/shakeImgUp"
android:layout_width="fill_parent"
android:layout_height="140dip"
android:background="#111"
android:visibility="visible" >
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_centerHorizontal="true"
android:contentDescription="@null"
android:src="@drawable/shake_logo_up" />
</RelativeLayout>
<RelativeLayout
android:id="@+id/shakeImgDown"
android:layout_width="fill_parent"
android:layout_height="140dip"
android:background="#111"
android:visibility="visible" >
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:contentDescription="@null"
android:src="@drawable/shake_logo_down" />
</RelativeLayout>
</LinearLayout>
</RelativeLayout>
代碼編寫
package com.yancheng.shack;
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.Vibrator;
import android.view.animation.Animation;
import android.view.animation.Animation.AnimationListener;
import android.view.animation.AnimationSet;
import android.view.animation.TranslateAnimation;
import android.widget.RelativeLayout;
import android.widget.Toast;
import com.yancheng.shack.ShakeListener.OnShakeListener;
public class MainActivity extends Activity {
private final int DURATION_TIME = 600;
private ShakeListener mShakeListener = null;
private Vibrator mVibrator;
private RelativeLayout mImgUp;
private RelativeLayout mImgDn;
private SoundPool sndPool;
private HashMap<Integer, Integer> soundPoolMap = new HashMap<Integer, Integer>();
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initView();
mVibrator = (Vibrator) getApplication().getSystemService(
VIBRATOR_SERVICE);
// 檢查設備是否有震動裝置
// mVibrator.hasVibrator();
loadSound();
mShakeListener = new ShakeListener(this);
// 監聽到手機搖動
mShakeListener.setOnShakeListener(new OnShakeListener() {
public void onShake() {
startAnim();
}
});
}
/****
* 初始化控件
*/
private void initView() {
// TODO Auto-generated method stub
mImgUp = (RelativeLayout) findViewById(R.id.shakeImgUp);
mImgDn = (RelativeLayout) findViewById(R.id.shakeImgDown);
}
/****
* 獲取音效
*/
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() {
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(DURATION_TIME);
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(DURATION_TIME);
mytranslateanimup1.setStartOffset(DURATION_TIME);
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(DURATION_TIME);
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(DURATION_TIME);
mytranslateanimdn1.setStartOffset(DURATION_TIME);
animdn.addAnimation(mytranslateanimdn0);
animdn.addAnimation(mytranslateanimdn1);
mImgDn.startAnimation(animdn);
// 動畫監聽，開始時顯示加載狀態，
mytranslateanimdn0.setAnimationListener(new AnimationListener() {
@Override
public void onAnimationStart(Animation animation) {
mShakeListener.stop();
sndPool.play(soundPoolMap.get(0), (float) 0.2, (float) 0.2, 0,
0, (float) 0.6);
}
@Override
public void onAnimationRepeat(Animation animation) {
}
@Override
public void onAnimationEnd(Animation animation) {
Toast.makeText(getBaseContext(), "搖一搖結束", Toast.LENGTH_SHORT)
.show();
mShakeListener.start();
}
});
}
@Override
protected void onDestroy() {
// TODO Auto-generated method stub
super.onDestroy();
if (mShakeListener != null) {
mShakeListener.stop();
}
}
}
搖一搖監聽事件
package com.yancheng.shack;
import android.content.Context;
import android.hardware.Sensor;
import android.hardware.SensorEvent;
import android.hardware.SensorEventListener;
import android.hardware.SensorManager;
/**
* 搖一搖監聽事件
* @created 2014-08-19
* @author
*
*/
public class ShakeListener implements SensorEventListener {
private static final int SPEED_SHRESHOLD = 4500;//這個值越大需要越大的力氣來搖晃手機
private static final int UPTATE_INTERVAL_TIME = 50;
private SensorManager sensorManager;
private Sensor sensor;
private OnShakeListener onShakeListener;
private Context mContext;
private float lastX;
private float lastY;
private float lastZ;
private long lastUpdateTime;
public ShakeListener(Context c) {
mContext = c;
start();
}
public void start() {
sensorManager = (SensorManager) mContext
.getSystemService(Context.SENSOR_SERVICE);
if (sensorManager != null) {
sensor = sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
}
if (sensor != null) {
sensorManager.registerListener(this, sensor,
SensorManager.SENSOR_DELAY_GAME);
}
}
public void stop() {
sensorManager.unregisterListener(this);
}
public void setOnShakeListener(OnShakeListener listener) {
onShakeListener = listener;
}
public void onSensorChanged(SensorEvent event) {
long currentUpdateTime = System.currentTimeMillis();
long timeInterval = currentUpdateTime - lastUpdateTime;
if (timeInterval < UPTATE_INTERVAL_TIME)
return;
lastUpdateTime = currentUpdateTime;
float x = event.values[0];
float y = event.values[1];
float z = event.values[2];
float deltaX = x - lastX;
float deltaY = y - lastY;
float deltaZ = z - lastZ;
lastX = x;
lastY = y;
lastZ = z;
double speed = Math.sqrt(deltaX * deltaX + deltaY * deltaY + deltaZ
* deltaZ)
/ timeInterval * 10000;
if (speed >= SPEED_SHRESHOLD) {
onShakeListener.onShake();
}
}
public void onAccuracyChanged(Sensor sensor, int accuracy) {
}
public interface OnShakeListener {
public void onShake();
}
}