activity切換---手勢+動畫

 記錄 上下、左右滑動切換activity+動畫效果。怕腦殼很差用 特記錄 關鍵代碼以下：

public class StartActivity extends Activity implements OnTouchListener,OnGestureListener{

	private GestureDetector mGestureDetector;
	private int verticalMinDistance = 20;
	private int minVelocity = 0;
	
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		//去除標題
		this.requestWindowFeature(Window.FEATURE_NO_TITLE);
		setContentView(R.layout.activity_start);
		mGestureDetector = new GestureDetector((OnGestureListener)this);
		//給佈局文件添加事件
		LinearLayout viewSnsLayout = (LinearLayout)findViewById(R.id.linear);     
		viewSnsLayout.setOnTouchListener(this);     
		viewSnsLayout.setLongClickable(true);  	
		
	}
	
	public void intentMainActivity(){
		new Thread(new Runnable() {
			@Override
			public void run() {
				try {
					//沉睡3秒跳轉至主頁面
					Thread.sleep(3000);
				} catch (InterruptedException e) {
					e.printStackTrace();
				}
				//執行意圖 跳轉
				Intent intent = new Intent(StartActivity.this,MainActivity.class);
				startActivity(intent);
				//結束當前Activiry
				finish();
			}
		}).start();
	}

	/*
	 *屏幕監聽器
	 */
	public boolean onTouch(View v, MotionEvent event) {   
		return mGestureDetector.onTouchEvent(event);   
	}  

	/*
	 * 手勢監聽器
	 * e1	The first down motion event that started the fling.手勢起點的移動事件
            * e2	The move motion event that triggered the current onFling.當前手勢點的移動事件
            * velocityX	The velocity of this fling measured in pixels per second along the x axis.每秒x軸方向移動的像素
	 * velocityY	The velocity of this fling measured in pixels per second along the y axis.每秒y軸方向移動的像素
	 */
    public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
        if (e1.getX() - e2.getX() > verticalMinDistance && Math.abs(velocityX) > minVelocity) {
        	Intent intent = new Intent(StartActivity.this,MainActivity.class);
			startActivity(intent);
			overridePendingTransition(R.anim.in_from_right, R.anim.out_to_left);
			//添加動畫效果
        } 
        if (e2.getX() - e1.getX() > verticalMinDistance && Math.abs(velocityX) > minVelocity) {
//            Toast.makeText(this, "向右手勢", Toast.LENGTH_SHORT).show();
        }
        if (Math.abs(e2.getY()-e1.getY())>50) {  
        	Intent intent = new Intent(StartActivity.this,MainActivity.class);
			startActivity(intent);
			overridePendingTransition(R.anim.in_from_down, R.anim.out_to_up);
        }  
        if (e2.getY()-e1.getY()>50) {  
//        	Toast.makeText(getApplicationContext(), "向下滑動", Toast.LENGTH_LONG).show();  
        }  

        return false;
    }
    
    @Override
	public boolean onDown(MotionEvent arg0) {return false;}

	@Override
	public void onLongPress(MotionEvent arg0) {}

	@Override
	public boolean onScroll(MotionEvent arg0, MotionEvent arg1, float arg2,float arg3) {return false;}

	@Override
	public void onShowPress(MotionEvent arg0) {}

	@Override
	public boolean onSingleTapUp(MotionEvent arg0) {return false;}
	
}

 右進坐出 動畫

<?xml version="1.0" encoding="utf-8"?>
<!--從屏幕右邊進入  -->
<translate xmlns:android="http://schemas.android.com/apk/res/android"
    android:duration="500"
    android:fromXDelta="100%p"
    android:interpolator="@android:anim/accelerate_interpolator"
    android:toXDelta="0%p" />

<?xml version="1.0" encoding="utf-8"?>
<!--從屏幕左邊退出  -->
<translate xmlns:android="http://schemas.android.com/apk/res/android"
    android:duration="500"
    android:fromXDelta="0%p"
    android:interpolator="@android:anim/accelerate_interpolator"
    android:toXDelta="-100%p" />

下進 上出

<?xml version="1.0" encoding="utf-8"?>
<!--從屏幕下邊進入  -->
<translate xmlns:android="http://schemas.android.com/apk/res/android"
    android:duration="1000"
    android:fromYDelta="100%p"
    android:toYDelta="0%p"
    android:interpolator="@android:anim/accelerate_interpolator"
     />

<?xml version="1.0" encoding="utf-8"?>
<!--從屏幕上邊退出  -->
<translate xmlns:android="http://schemas.android.com/apk/res/android"
    android:interpolator="@android:anim/accelerate_interpolator"
    android:fromYDelta="0%p"
    android:toYDelta="-100%p" 
    android:duration="1000">
</translate>