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Android 手势滑动动画效果收集整理

2012-09-04 14:26 543 查看

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"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
<translate android:fromXDelta="0" android:toXDelta="100%" android:duration="300"/>
<alpha android:fromAlpha="1.0" android:toAlpha="0.0" android:duration="300" />
</set>


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"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
<translate android:fromXDelta="100%p" android:toXDelta="0"
android:duration="500" />
<alpha android:fromAlpha="0.1" android:toAlpha="1.0"
android:duration="500" />
</set>



push_left_out.xml文件中代码:

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
<translate android:fromXDelta="0" android:toXDelta="-100%p"
android:duration="500" />
<alpha android:fromAlpha="1.0" android:toAlpha="0.1"
android:duration="500" />
</set>



push_right_in.xml文件中代码:

<?xml version="1.0" encoding="utf-8"?> <set xmlns:android="http://schemas.android.com/apk/res/android"><translate android:fromXDelta="-100%p" android:toXDelta="0"android:duration="500" /><alpha android:fromAlpha="0.1" android:toAlpha="1.0"android:duration="500" /></set>

push_right_out.xml文件中代码:

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
<translate android:fromXDelta="0" android:toXDelta="100%p"
android:duration="500" />
<alpha android:fromAlpha="1.0" android:toAlpha="0.1"
android:duration="500" />
</set>
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