如何Android項目中使用ViewFlipper與GestrueDetector實現(xiàn)滑屏效果？針對這個問題，這篇文章詳細(xì)介紹了相對應(yīng)的分析和解答，希望可以幫助更多想解決這個問題的小伙伴找到更簡單易行的方法。
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1.main.xml
<?xml version="1.0" encoding="utf-8"?>
注：layout1和layout2 布局很簡單，就是有一個textview和一個button，就不在這里寫出了。其中包含了兩個特效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"?>
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重慶分公司
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();
}
}
}關(guān)于如何Android項目中使用ViewFlipper與GestrueDetector實現(xiàn)滑屏效果問題的解答就分享到這里了，希望以上內(nèi)容可以對大家有一定的幫助，如果你還有很多疑惑沒有解開，可以關(guān)注創(chuàng)新互聯(lián)行業(yè)資訊頻道了解更多相關(guān)知識。
