Android_手势

布局编写：

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
    android:layout_height="match_parent" tools:context="com.example.android_gesture.MainActivity">

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

    </ViewFlipper>
</LinearLayout>

Activity编写：

package com.example.android_gesture;

import android.content.Intent;
import android.gesture.Gesture;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.GestureDetector;
import android.view.MotionEvent;
import android.widget.ImageView;
import android.widget.ViewFlipper;

import java.util.ArrayList;
import java.util.List;

public class MainActivity extends AppCompatActivity {

    private ViewFlipper vf_main_flipper;
    private int[] images=new int[]{R.drawable.s1,R.drawable.s2,R.drawable.s3};
    private GestureDetector detector;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        vf_main_flipper = (ViewFlipper) findViewById(R.id.vf_main_flipper);
        for (int i = 0; i < images.length; i++) {
            ImageView iv=new ImageView(this);
            iv.setImageResource(images[i]);
            vf_main_flipper.addView(iv);
        }
        //按下
//一直按住
//轻按
//滚动
//长按
//滑动
        detector = new GestureDetector(this, new GestureDetector.OnGestureListener() {
            @Override
            public boolean onDown(MotionEvent motionEvent) {
                //按下
                return false;
            }

            @Override
            public void onShowPress(MotionEvent motionEvent) {
                //一直按住
            }

            @Override
            public boolean onSingleTapUp(MotionEvent motionEvent) {
                //轻按
                return false;
            }

            @Override
            public boolean onScroll(MotionEvent motionEvent, MotionEvent motionEvent1, float v, float v1) {
                //滚动
                return false;
            }

            @Override
            public void onLongPress(MotionEvent motionEvent) {
                //长按
            }

            @Override
            public boolean onFling(MotionEvent motionEvent, MotionEvent motionEvent1, float v, float v1) {
                //滑动
                if (motionEvent.getX()-motionEvent1.getX()>10){
                    Log.i("text","从左到右");
                    vf_main_flipper.showPrevious();
                    vf_main_flipper.setOutAnimation(MainActivity.this,R.anim.left_out);
                    vf_main_flipper.setInAnimation(MainActivity.this,R.anim.left_in);
                }
                if (motionEvent.getX()-motionEvent1.getX()<0){
                    Log.i("text","从右到左");
                    vf_main_flipper.showNext();
                    vf_main_flipper.setOutAnimation(MainActivity.this,R.anim.right_out);
                    vf_main_flipper.setInAnimation(MainActivity.this,R.anim.right_in);
                }
                return false;
            }
        });
    }

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

动画编写：

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
    android:duration="1000"
    android:fillAfter="true">
    <!--左进-->
    <translate
        android:fromXDelta="-100%p"
        android:toXDelta="0"></translate>
    <rotate
        android:fromDegrees="0"
        android:toDegrees="360"
        android:pivotX="50%"
        android:pivotY="50%"></rotate>
</set>

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android" android:duration="1000"
    android:fillAfter="true">
    <!--左出-->
    <translate
        android:fromXDelta="0"
        android:toXDelta="-100%p"></translate>
    <rotate
        android:fromDegrees="0"
        android:toDegrees="360"
        android:pivotX="50%"
        android:pivotY="50%"></rotate>

</set>

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
    android:duration="1000"
    android:fillAfter="true">
    <!--右进-->
    <translate
        android:fromXDelta="100%p"
        android:toXDelta="0"></translate>
    <rotate
        android:fromDegrees="0"
        android:toDegrees="360"
        android:pivotX="50%"
        android:pivotY="50%"></rotate>

</set>

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
    android:duration="1000"
    android:fillAfter="true">
    <!--右进-->
    <translate
        android:fromXDelta="0"
        android:toXDelta="100%p"></translate>
    <rotate
        android:fromDegrees="0"
        android:toDegrees="360"
        android:pivotX="50%"
        android:pivotY="50%"></rotate>

</set>