如何Android项目中使用ViewFlipper与GestrueDetector实现滑屏效果

如何Android项目中使用ViewFlipper与GestrueDetector实现滑屏效果？针对这个问题，这篇文章详细介绍了相对应的分析和解答，希望可以帮助更多想解决这个问题的小伙伴找到更简单易行的方法。

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1.main.xml

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

注：layout1和layout2 布局很简单，就是有一个textview和一个button，就不在这里写出了。其中包含了两个特效xml文件，放在res/anim下

1.push_left_in

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

2 push_left_out

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

主类：

package com.wj.gesture;
import android.app.Activity;
import android.os.Bundle;
import android.view.GestureDetector;
import android.view.GestureDetector.OnDoubleTapListener;
import android.view.GestureDetector.OnGestureListener;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnTouchListener;
import android.view.animation.AccelerateInterpolator;
import android.view.animation.Animation;
import android.view.animation.TranslateAnimation;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;
import android.widget.ViewFlipper;
public class GestureDetectorTest extends Activity implements OnClickListener, OnTouchListener,OnGestureListener,OnDoubleTapListener{
  GestureDetector gestureDetector;
  private Button next = null,up = null;
  private ViewFlipper flipper = null;
  private static final int FLING_MIN_DISTANCE = 100;
  private static final int FLING_MIN_VELOCITY = 200;
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);
    initview();
    setListener();
  }
  private void initview(){
    gestureDetector = new GestureDetector(this);
    next = (Button)this.findViewById(R.id.button1);
    up = (Button)this.findViewById(R.id.button2);
    next.setOnClickListener(this);
    up.setOnClickListener(this);
    flipper  = (ViewFlipper)this.findViewById(R.id.viewFlipper1);
    flipper.setLongClickable(true);
  }
  private void setListener(){
    flipper.setOnTouchListener(this);
  }
  @Override
  public boolean onTouch(View v, MotionEvent event) {
    //Toast.makeText(this, "ontouch", 1000).show();
    return gestureDetector.onTouchEvent(event);
  }
  @Override
  public boolean onDown(MotionEvent e) {
    // 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;
  }
  @Override
  public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX,
      float distanceY) {
    return false;
  }
  @Override
  public void onLongPress(MotionEvent e) {
    // TODO Auto-generated method stub
  }
  @Override
  public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX,
      float velocityY) {
    if (e1.getX()-e2.getX()>FLING_MIN_DISTANCE&&Math.abs(velocityX)>FLING_MIN_VELOCITY) {
      flipper.setInAnimation(inFromRightAnimation());
      flipper.setOutAnimation(outToLeftAnimation());
      flipper.showNext();
    }else if (e2.getX()-e1.getX()>FLING_MIN_DISTANCE&&Math.abs(velocityX) > FLING_MIN_VELOCITY) {
      flipper.setInAnimation(inFromLeftAnimation());
      flipper.setOutAnimation(outToRightAnimation());
      flipper.showPrevious();
    }
    return false;
  }
  protected Animation inFromRightAnimation() {
    Animation inFromRight = new TranslateAnimation(
        Animation.RELATIVE_TO_PARENT, +1.0f,
        Animation.RELATIVE_TO_PARENT, 0.0f,
        Animation.RELATIVE_TO_PARENT, 0.0f,
        Animation.RELATIVE_TO_PARENT, 0.0f);
    inFromRight.setDuration(500);
    inFromRight.setInterpolator(new AccelerateInterpolator());
    return inFromRight;
  }
  protected Animation outToLeftAnimation() {
    Animation outtoLeft = new TranslateAnimation(
        Animation.RELATIVE_TO_PARENT, 0.0f,
        Animation.RELATIVE_TO_PARENT, -1.0f,
        Animation.RELATIVE_TO_PARENT, 0.0f,
        Animation.RELATIVE_TO_PARENT, 0.0f);
    outtoLeft.setDuration(500);
    outtoLeft.setInterpolator(new AccelerateInterpolator());
    return outtoLeft;
  }
  protected Animation inFromLeftAnimation() {
    Animation inFromLeft = new TranslateAnimation(
        Animation.RELATIVE_TO_PARENT, -1.0f,
        Animation.RELATIVE_TO_PARENT, 0.0f,
        Animation.RELATIVE_TO_PARENT, 0.0f,
        Animation.RELATIVE_TO_PARENT, 0.0f);
    inFromLeft.setDuration(500);
    inFromLeft.setInterpolator(new AccelerateInterpolator());
    return inFromLeft;
  }
  protected Animation outToRightAnimation() {
    Animation outtoRight = new TranslateAnimation(
        Animation.RELATIVE_TO_PARENT, 0.0f,
        Animation.RELATIVE_TO_PARENT, +1.0f,
        Animation.RELATIVE_TO_PARENT, 0.0f,
        Animation.RELATIVE_TO_PARENT, 0.0f);
    outtoRight.setDuration(500);
    outtoRight.setInterpolator(new AccelerateInterpolator());
    return outtoRight;
  }
  @Override
  public boolean onSingleTapConfirmed(MotionEvent e) {
    // TODO Auto-generated method stub
    return false;
  }
  @Override
  public boolean onDoubleTap(MotionEvent e) {
    // TODO Auto-generated method stub
    return false;
  }
  @Override
  public boolean onDoubleTapEvent(MotionEvent e) {
    // TODO Auto-generated method stub
    return false;
  }
  @Override
  public void onClick(View v) {
    if (v==next) {
      flipper.showNext();
    }else{
      flipper.showPrevious();
    }
  }
}

关于如何Android项目中使用ViewFlipper与GestrueDetector实现滑屏效果问题的解答就分享到这里了，希望以上内容可以对大家有一定的帮助，如果你还有很多疑惑没有解开，可以关注创新互联行业资讯频道了解更多相关知识。

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如何Android项目中使用ViewFlipper与GestrueDetector实现滑屏效果

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