安卓学习-界面-ui-ViewFlipper

<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:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="第一页"
        android:textAppearance="?android:attr/textAppearanceLarge" />

    <Button
        android:id="@+id/button1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Button" />

</LinearLayout>

<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:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="第二页"
        android:textAppearance="?android:attr/textAppearanceLarge" />

    <ZoomControls
        android:id="@+id/zoomControls1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />

</LinearLayout>

<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:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="第三页"
        android:textAppearance="?android:attr/textAppearanceLarge" />

    <AnalogClock
        android:id="@+id/analogClock1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />

</LinearLayout>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/linearLayout1"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" 
    android:background="#999"
    >

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content" >

        <Button
            android:id="@+id/button1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="上一张" />

        <Button
            android:id="@+id/button2"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="下一张" />

        <Button
            android:id="@+id/button3"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="自动播放" />

    </LinearLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content" >

        <ViewFlipper
            android:id="@+id/viewFlipper1"
            android:layout_width="match_parent"
            android:layout_height="match_parent" >


        </ViewFlipper>
    </LinearLayout>



</LinearLayout>

public class MainActivity extends Activity{

    //用来判断手指是向左滑动还是向右
    float x1;
    float x2;
    
    ViewFlipper viewFlipper1;

    
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        
        viewFlipper1=(ViewFlipper)findViewById(R.id.viewFlipper1);
        Button btn1=(Button)findViewById(R.id.button1);
        Button btn2=(Button)findViewById(R.id.button2);
        Button btn3=(Button)findViewById(R.id.button3);
        
        View view1=LayoutInflater.from(getApplicationContext()).inflate(R.layout.view1, null);
        View view2=LayoutInflater.from(getApplicationContext()).inflate(R.layout.view2, null);
        View view3=LayoutInflater.from(getApplicationContext()).inflate(R.layout.view3, null);
        viewFlipper1.addView(view1, 0);
        viewFlipper1.addView(view2, 1);
        viewFlipper1.addView(view3, 2);
        

        //上一张
        btn1.setOnClickListener(new OnClickListener() {
            public void onClick(View v) {
                pre();
            }
        });
        // 下一张
        btn2.setOnClickListener(new OnClickListener() {
            public void onClick(View v) {
                next();
            }
        });
        
        btn3.setOnClickListener(new OnClickListener() {
            
            @Override
            public void onClick(View v) {
                viewFlipper1.setFlipInterval(1000);
                viewFlipper1.startFlipping();
                
            }
        });

        //识别手势
        viewFlipper1.setOnTouchListener(new OnTouchListener() {
            public boolean onTouch(View v, MotionEvent event) {
                //手指按下时的坐标
                if(event.getAction()==MotionEvent.ACTION_DOWN){
                    x1=event.getX();
                }
                //手指松开时的坐标
                else if(event.getAction()==MotionEvent.ACTION_UP){
                    x2=event.getX();
                    //向左滑动
                    if(x1-x2>0){
                        Log.v("", "向左滑动");
                        next();
                        
                    }
                    //向右滑动
                    else if(x2-x1>0){
                        Log.v("", "向右滑动");
                        pre();
                    }
                }
                return true;
            }
        });
  
    }
    
    
    void next(){
        // 为ViewSwitcher的组件显示过程设置动画  
        viewFlipper1.setInAnimation(this, R.anim.slide_in_right); 
        // 为ViewSwitcher的组件隐藏过程设置动画  
        viewFlipper1.setOutAnimation(this, R.anim.slide_out_left);  
        viewFlipper1.showNext();

    }
    
   void pre(){
        //为ViewSwitcher的组件显示过程设置动画  
       viewFlipper1.setInAnimation(this, android.R.anim.slide_in_left);  
        // 为ViewSwitcher的组件隐藏过程设置动画  
        viewFlipper1.setOutAnimation(this, android.R.anim.slide_out_right);  

        viewFlipper1.showPrevious();
        
    }
    

}