ViewFlipper + gesture

public class ViewFlipperActivity extends Activity implements OnTouchListener {

/** Called when the activity is first created. */

private GestureDetector mGestureDetector;

private Animation slideLeftIn;

private Animation slideLeftOut;

private Animation slideRightIn;

private Animation slideRightOut;

private ViewFlipper mViewFlipper;

private static final int SWIPE_MIN_DISTANCE = 120;

private static final int SWIPE_THRESHOLD_VELOCITY = 200;

private int FP = ViewGroup.LayoutParams.FILL_PARENT;

private Matrix suppMatrix = new Matrix();

private Matrix mBaseMatrix = new Matrix();

private Matrix mDisplayMatrix = new Matrix();

private static boolean isZoom = false;

private Integer[] images = { R.drawable.pic01, R.drawable.pic02,

R.drawable.pic03, R.drawable.pic04, R.drawable.pic05,

R.drawable.pic06 };

private String [] textStrings = {"春香", "夏香", "秋香", "冬香", "仲香", "奎香"};

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

mGestureDetector = new GestureDetector(this, new MyGestureDetector());

mViewFlipper = (ViewFlipper) findViewById(R.id.viewFlipper1);

slideLeftIn = AnimationUtils.loadAnimation(this, R.anim.slide_left_in);

slideLeftOut = AnimationUtils

.loadAnimation(this, R.anim.slide_left_out);

slideRightIn = AnimationUtils

.loadAnimation(this, R.anim.slide_right_in);

slideRightOut = AnimationUtils.loadAnimation(this,

R.anim.slide_right_out);

LayoutParams ivParams = new ViewGroup.LayoutParams(FP, 200);

LayoutParams tvParams = new ViewGroup.LayoutParams(100, 100);

int index = 0;

for (Integer i : images) {

ImageView iv = new ImageView(this);

iv.setImageResource(i);

iv.setScaleType(ImageView.ScaleType.FIT_CENTER);

     mViewFlipper.addView(iv, index, ivParams);

index++;

}

for (String i : textStrings) {

TextView tv = new TextView(this);

tv.setText(i);

tv.setHeight(100);

tv.setWidth(100);

tv.setGravity(300);

tv.setTextSize(50);

tv.setTextColor(Color.YELLOW);

mViewFlipper.addView(tv, index, tvParams);

index++;

}

mViewFlipper.setOnTouchListener(this);

mViewFlipper.setLongClickable(true);

}

class MyGestureDetector extends SimpleOnGestureListener {

@Override

public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX,

float velocityY) {

// TODO Auto-generated method stub

if (e1.getX() - e2.getX() > SWIPE_MIN_DISTANCE

&& Math.abs(velocityX) > SWIPE_THRESHOLD_VELOCITY) {

mViewFlipper.setInAnimation(slideLeftIn);

mViewFlipper.setOutAnimation(slideLeftOut);

mViewFlipper.showNext();

} else if (e2.getX() - e1.getX() > SWIPE_MIN_DISTANCE

&& Math.abs(velocityX) > SWIPE_THRESHOLD_VELOCITY) {

mViewFlipper.setInAnimation(slideRightIn);

mViewFlipper.setOutAnimation(slideRightOut);

mViewFlipper.showPrevious();

}

return false;

}//end of onFling

// @Override

// public void onLongPress(MotionEvent e) {

// // TODO Auto-generated method stub

//

// ImageView iv = (ImageView) mViewFlipper.getCurrentView();

// //mSuppMatrix.postTranslate(2, 2);

// mDisplayMatrix.setRotateM(0.0f, +350.0f, Animation.RELATIVE_TO_SELF,0.5f,Animation.RELATIVE_TO_SELF, 0.5f);

// mDisplayMatrix.set(mBaseMatrix);

// mDisplayMatrix.postConcat(suppMatrix);

// iv.setImageMatrix(mDisplayMatrix);

// //super.onLongPress(e);

//

// isZoom = true;

// }//end of onLongPress

}// end of class MyGestureDetector

@Override

public boolean onTouch(View v, MotionEvent event) {

// TODO Auto-generated method stub

return mGestureDetector.onTouchEvent(event);

}// end of onTouch

}

*****************************

res/layout/main.xml

<?xml version="1.0" encoding="utf-8"?>

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

    android:layout_width="fill_parent"

    android:layout_height="fill_parent"

    android:orientation="vertical" >

    

    <TextView

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:text="@string/hello" />

    <ViewFlipper

        android:id="@+id/viewFlipper1"

        android:layout_width="match_parent"

        android:layout_height="wrap_content" >

        <ImageView

            android:id="@+id/imageView1"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:src="@drawable/pic01" />

        

    </ViewFlipper>

</LinearLayout>

*************************************

1. res/anim/sideleft_in.xml

<?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>

2. res/anim/sideleft_out.xml

<?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>

3. res/anim/side_right_in.xml

<?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>

4. res/anim/side_right_out.xml

<?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>