Android的画廊幻灯片动画 [英] Android gallery slideshow animation
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问题描述
我正在开发一个应用程序库,在此应用程序,我在使用幻灯片图库显示图像。它的工作很好,但我想添加一些动画。我只能应用一个与此code动画,但我想补充在画廊视图中的两个动画效果。
说,在翻译的效果,从右到中心和中心到左。请人帮助我。
公共无效slidShow(){ 可运行可运行=新的Runnable(){ @覆盖
公共无效的run(){
myslideshow();
handler.postDelayed(这一点,3000);
}
};
新的线程(可运行)。开始();
}私人无效myslideshow(){
PicPosition = gallery.getSelectedItemPosition()+1;
如果(PicPosition&GT = bitmaps.size()){
PicPosition = gallery.getSelectedItemPosition(); //停止
}
其他{
动画inFromRight =新TranslateAnimation(
Animation.RELATIVE_TO_PARENT,+ 1.0F,
Animation.RELATIVE_TO_PARENT,0.0,
Animation.RELATIVE_TO_PARENT,0.0,
Animation.RELATIVE_TO_PARENT,0.0);
inFromRight.setDuration(500);
inFromRight.setInterpolator(新AccelerateInterpolator());
gallery.startAnimation(inFromRight);
gallery.setSelection(PicPosition); }
}
解决方案
根据使用XML动画
创建文件夹资源XML文件/动画/ animate.xml
把code
<设置的xmlns:机器人=http://schemas.android.com/apk/res/android机器人:shareInterpolator =真正的>
<翻译
机器人:fromXDelta =0%P机器人:toXDelta =50%P//改变这个决定的范围内
机器人:时间=500的android:startOffset =0/>
<翻译
机器人:fromXDelta =0%P机器人:toXDelta =100%P
机器人:时间=500的android:startOffset =500/> //改变这种增加
时间影像留< /集>
现在在你的函数myslideshow()的变化
动画inFromRight = AnimationUtils.loadAnimation(这一点,R.anim.animate);
gallery.startAnimation(inFromRight);
gallery.setSelection(PicPosition);
这就是所有.....
I'm developing a gallery app, in this app I'm displaying images in slideshow using gallery. It's working fine, but I want to add some animation. I can apply only one animation with this code but I want to add two animation effects in gallery view. Say in translation effect, right-to-center and center-to-left. Please anyone help me out.
public void slidShow(){
Runnable runnable = new Runnable() {
@Override
public void run() {
myslideshow();
handler.postDelayed(this, 3000);
}
};
new Thread(runnable).start();
}
private void myslideshow(){
PicPosition = gallery.getSelectedItemPosition() +1;
if (PicPosition >= bitmaps.size()){
PicPosition = gallery.getSelectedItemPosition(); //stop
}
else{
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());
gallery.startAnimation(inFromRight);
gallery.setSelection(PicPosition);
}
}
解决方案
Use Xml based animation Create a Xml file in folder res/anim/animate.xml
put the code
<set xmlns:android="http://schemas.android.com/apk/res/android" android:shareInterpolator="true">
<translate
android:fromXDelta="0%p" android:toXDelta="50%p" // change this to decide the range
android:duration="500" android:startOffset="0"/>
<translate
android:fromXDelta="0%p" android:toXDelta="100%p"
android:duration="500" android:startOffset="500"/>// change this to increase the
time for image to stay
</set>
now in your function myslideshow() change
Animation inFromRight = AnimationUtils.loadAnimation(this, R.anim.animate);
gallery.startAnimation(inFromRight);
gallery.setSelection(PicPosition);
Thats all.....
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