Android 手势滑动动画效果收集整理
16lz
2021-01-23
一 、 利用View自身的setAnimation来实现动画(TextView、imageView、ListView等都可以实现)
java代码:
public void UpdateViewContent(){TextView txtview = (TextView)findViewById(R.id.content_view);txtview.setText(MyGetNextText());txtview.setAnimation(AnimationUtils.loadAnimation(this, R.anim.push_left_in));}
Xml代码:
<?xml version="1.0" encoding="utf-8"?>
关键代码:
txtview.setAnimation(AnimationUtils.loadAnimation(this, R.anim.push_left_in));
二、ViewFlipper实现左右滑动效果转载自(http://www.cnblogs.com/hanyonglu/archive/2012/02/13/2349827.html)
java代码:
package com.android.flip;import android.app.Activity;import android.os.Bundle;import android.view.GestureDetector;import android.view.MotionEvent;import android.view.View;import android.view.GestureDetector.OnGestureListener;import android.view.animation.AnimationUtils;import android.widget.ImageView;import android.widget.ViewFlipper;/** * Android实现左右滑动效果 * @Description: Android实现左右滑动效果 * @File: MainActivity.java * @Package com.android.flip * @Author Hanyonglu * @Date 2012-02-12 上午10:44:04 * @Version V1.0 */public class MainActivity extends Activity implements OnGestureListener { private ViewFlipper flipper; private GestureDetector detector; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); detector = new GestureDetector(this); flipper = (ViewFlipper) this.findViewById(R.id.ViewFlipper1); flipper.addView(addImageView(R.drawable.one)); flipper.addView(addImageView(R.drawable.two)); flipper.addView(addImageView(R.drawable.three)); flipper.addView(addImageView(R.drawable.four)); flipper.addView(addImageView(R.drawable.five)); //添加Layout //flipper.addView(addView(R.layout.layout1));//选择第几个view//viewFlipper.setDisplayedChild(0); } private View addImageView(int id) { ImageView iv = new ImageView(this); iv.setImageResource(id); return iv; } @Override public boolean onTouchEvent(MotionEvent event) { // TODO Auto-generated method stub return this.detector.onTouchEvent(event); } @Override public boolean onDown(MotionEvent e) { // TODO Auto-generated method stub return false; } @Override public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { if (e1.getX() - e2.getX() > 120) { this.flipper.setInAnimation(AnimationUtils.loadAnimation(this, R.anim.push_left_in)); this.flipper.setOutAnimation(AnimationUtils.loadAnimation(this, R.anim.push_left_out)); this.flipper.showNext(); return true; } else if (e1.getX() - e2.getX() < -120) { this.flipper.setInAnimation(AnimationUtils.loadAnimation(this, R.anim.push_right_in)); this.flipper.setOutAnimation(AnimationUtils.loadAnimation(this, R.anim.push_right_out)); this.flipper.showPrevious(); return true; } return false; } @Override public void onLongPress(MotionEvent e) { // TODO Auto-generated method stub } @Override public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { // 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; }}
为了使其滑动时有一定的特效,我们需要加入Animation效果,说到Animation,我们先看下如何在Android中实现自定义Animation。自定义的Animation是以XML格式定义的,定义好的XML文件存放在res/anim中。
一般的Animation有以下四种类型:
1. Alpha:渐变透明度动画效果
2. Scale:渐变尺寸伸缩动画效果
3. Translate:画面转换位置移动动画效果
4. Rotate:画面转换位置移动动画效果
push_left_in.xml文件中代码:
<?xml version="1.0" encoding="utf-8"?>
push_left_out.xml文件中代码:
<?xml version="1.0" encoding="utf-8"?>
push_right_in.xml文件中代码:
<?xml version="1.0" encoding="utf-8"?>
push_right_out.xml文件中代码:
<?xml version="1.0" encoding="utf-8"?>
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