Android实现图片左右滑动效果

/**

* Android实现左右滑动效果

* @Description: Android实现左右滑动效果

*/

public class MainActivity extends Activity implements OnGestureListener {

private ViewFlipper flipper;

private GestureDetector detector;

@SuppressWarnings("deprecation")

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

detector = new GestureDetector(this);

flipper = (ViewFlipper) this.findViewById(R.id.ViewFlipper1);

flipper.addView(addImageView(R.drawable.png_6));

flipper.addView(addImageView(R.drawable.png_3));

flipper.addView(addImageView(R.drawable.png_1));

flipper.addView(addImageView(R.drawable.png_2));

flipper.addView(addImageView(R.drawable.png_4));

flipper.addView(addImageView(R.drawable.png_7));

}

private View addImageView(int id) {

ImageView iv = new ImageView(this);

iv.setImageResource(id);

return iv;

}

@Override

public boolean onTouchEvent(MotionEvent event) {

// TODO Auto-generated method stub

return this.detector.onTouchEvent(event);

}

@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) {

if (e1.getX() - e2.getX() > 120) {

this.flipper.setInAnimation(AnimationUtils.loadAnimation(this, R.anim.push_left_in));

this.flipper.setOutAnimation(AnimationUtils.loadAnimation(this, R.anim.push_left_out));

this.flipper.showNext();

return true;

} else if (e1.getX() - e2.getX() < -120) {

this.flipper.setInAnimation(AnimationUtils.loadAnimation(this, R.anim.push_right_in));

this.flipper.setOutAnimation(AnimationUtils.loadAnimation(this, R.anim.push_right_out));

this.flipper.showPrevious();

return true;

}

return false;

}

@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;

}

}

创建 activity_main.xml文件

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:tools="http://schemas.android.com/tools"

android:layout_width="match_parent"

android:layout_height="match_parent"

tools:context=".MainActivity" >

<ViewFlipper android:id="@+id/ViewFlipper1"

android:layout_width="fill_parent"

android:layout_height="fill_parent">

</ViewFlipper>

</RelativeLayout>

创建push_left_in.xml文件

<?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="0.1" android:toAlpha="1.0"

android:duration="500" />

</set>

创建 push_left_out.xml文件

<?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="0.1"

android:duration="500" />

</set>

创建push_right_in.xml文件

<?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="0.1" android:toAlpha="1.0"

android:duration="500" />

</set>

创建push_right_out.xml文件

<?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="0.1"

android:duration="500" />

</set>