ViewFilpper、Gesture 实现图片左右滑动切换

ViewFilpper、Gesture 实现图片左右滑动切换

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
<translate
android:fromXDelta="100%p"
android:toXDelta="0"
android:duration="500"
/>
<alpha
android:fromAlpha="0.0"
android:toAlpha="1.0"
android:duration="500"
/>
</set>

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
<translate
android:fromXDelta="0"
android:toXDelta="-100%p"
android:duration="500"
/>
<alpha
android:fromAlpha="1.0"
android:toAlpha="0.0"
android:duration="500"
/>
</set>

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
<translate
android:fromXDelta="-100%p"
android:toXDelta="0"
android:duration="500"
/>
<alpha
android:fromAlpha="0.0"
android:toAlpha="1.0"
android:duration="500"
/>
</set>

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
<translate
android:fromXDelta="0"
android:toXDelta="100%p"
android:duration="500"
/>
<alpha
android:fromAlpha="1.0"
android:toAlpha="0.0"
android:duration="500"
/>
</set>

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.GestureDetector;
import android.view.GestureDetector.OnDoubleTapListener;
import android.view.GestureDetector.OnGestureListener;
import android.view.MotionEvent;
import android.widget.ViewFlipper;

public class ViewFilpperActivity extends Activity implements OnGestureListener , OnDoubleTapListener{
private static final String TAG="ViewFilpper";
private ViewFlipper mViewFilpper;
private  GestureDetector mGestureDetector;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
mViewFilpper = (ViewFlipper)findViewById(R.id.filpper);
mViewFilpper.startFlipping();
mGestureDetector = new GestureDetector(this);
}

@Override
public boolean onTouchEvent(MotionEvent event){
mGestureDetector.onTouchEvent(event);
return super.onTouchEvent(event);
}

@Override
public boolean onDoubleTap(MotionEvent arg0){
Log.i(TAG,"双击");
if(mViewFilpper.isFlipping()){
mViewFilpper.stopFlipping();
}else{
mViewFilpper.startFlipping();
}
return true;
}

@Override
public boolean onDoubleTapEvent(MotionEvent e){
// TODO Auto-generated method stub
return false;
}

@Override
public boolean onSingleTapConfirmed(MotionEvent e){
// TODO Auto-generated method stub
return false;
}

@Override
public boolean onDown(MotionEvent e){
// TODO Auto-generated method stub
return false;
}

@Override
public boolean onFling(MotionEvent e1,MotionEvent e2,float velocityX,
float velocityY){
Log.i(TAG,"滑动"+e1.getX()+"-->"+e2.getX());
if(e1.getX()>e2.getX()+10){
Log.i(TAG,"左滑动");
mViewFilpper.showNext();
}else if(e1.getX()<e2.getX()+10){

Log.i(TAG,"右滑动");
mViewFilpper.setInAnimation(getApplicationContext(),R.anim.push_right_in);
mViewFilpper.setOutAnimation(getApplicationContext(),R.anim.push_right_out);
mViewFilpper.showPrevious();
mViewFilpper.setInAnimation(getApplicationContext(),R.anim.push_left_in);
mViewFilpper.setOutAnimation(getApplicationContext(),R.anim.push_left_out);
}else{
return false;
}
return true;
}

@Override
public void onLongPress(MotionEvent e){
// TODO Auto-generated method stub

}

@Override
public boolean onScroll(MotionEvent e1,MotionEvent e2,float distanceX,
float distanceY){
// TODO Auto-generated method stub
return false;
}

@Override
public void onShowPress(MotionEvent e){
// TODO Auto-generated method stub

}

@Override
public boolean onSingleTapUp(MotionEvent e){
// TODO Auto-generated method stub
return false;
}
}