仿微信-介面動畫(3)-搖一搖
1.ShakeListener 監聽器
package cn.buaa.myweixin;
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後產生作用
private static final int SPEED_SHRESHOLD = 3000;
// 兩次檢測的時間間隔
private static final int UPTATE_INTERVAL_TIME = 70;
// 感測器管理器
private SensorManager sensorManager;
// 感測器
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座標
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) { // 獲得監聽物件 mContext = c; start(); } // 開始 public void start() { // 獲得感測器管理器 sensorManager = (SensorManager) mContext .getSystemService(Context.SENSOR_SERVICE); if (sensorManager != null) { // 獲得重力感測器 sensor = sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER); } // 註冊 if (sensor != null) { sensorManager.registerListener(this, sensor, SensorManager.SENSOR_DELAY_GAME); } } // 停止檢測 public void stop() { sensorManager.unregisterListener(this); } // 設定重力感應監聽器 public void setOnShakeListener(OnShakeListener listener) { onShakeListener = listener; } // 重力感應器感應獲得變化資料 @Override 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座標 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; // 將現在的座標變成last座標 lastX = x; lastY = y; lastZ = z; double speed = Math.sqrt(deltaX * deltaX + deltaY * deltaY + deltaZ * deltaZ) / timeInterval * 10000; Log.v("thelog", "===========log==================="); // 達到速度閥值,發出提示 if (speed >= SPEED_SHRESHOLD) { onShakeListener.onShake(); } } @Override public void onAccuracyChanged(Sensor sensor, int accuracy) { } // 搖晃監聽介面 public interface OnShakeListener { public void onShake(); }
}
2.ShakeActivity
package cn.buaa.myweixin;
import android.os.Bundle;
import android.os.Handler;
import android.os.Vibrator;
import android.app.Activity;
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.Toast;
import android.widget.SlidingDrawer.OnDrawerCloseListener;
import android.widget.SlidingDrawer.OnDrawerOpenListener;
import cn.buaa.myweixin.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;
@Override
public void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.shake_activity);
//drawerSet ();//設定 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()
{ @Override
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()
{ @Override
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);
}
});
mShakeListener = new ShakeListener(this);
mShakeListener.setOnShakeListener(new OnShakeListener() {
@Override
public void onShake() {
startAnim(); //開始 搖一搖手掌動畫
mShakeListener.stop();
startVibrato(); //開始 震動
new Handler().postDelayed(new Runnable(){
@Override
public void run(){
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);
}
});
}
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{}裡面是節奏陣列, 第二個引數是重複次數,-1為不重複,非-1俄日從pattern的指定下標開始重複
}
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();
}
}
}
3.shake_activity