本文讲述了java实现帧动画的实例代码。分享给大家供大家参考,具体如下:
1、效果图
2、帧动画的简要代码
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private imageview bganimview;
private animationdrawable manimationdrawable;
//初始化
manimationdrawable = new animationdrawable();
bganimview = new imageview(mcontext);
bganimview.setbackgrounddrawable(getanimationdrawable(manimationdrawable));
params = new framelayout.layoutparams(viewgroup.layoutparams.wrap_content, viewgroup.layoutparams.wrap_content);
params.topmargin = util.div( 176 + 58 );
params.gravity = gravity.center_horizontal;
addview(bganimview, params);
private animationdrawable getanimationdrawable(animationdrawable manimationdrawable) {
int duration = 50 ;
manimationdrawable.addframe(mcontext.getresources().getdrawable(r.drawable.loading1), duration);
manimationdrawable.addframe(mcontext.getresources().getdrawable(r.drawable.loading2), duration);
manimationdrawable.addframe(mcontext.getresources().getdrawable(r.drawable.loading3), duration);
manimationdrawable.setoneshot( false );
return manimationdrawable;
}
//动画开始
public void animloadingstart() {
this .setvisibility(view.visible);
if (manimationdrawable != null ) {
manimationdrawable.start();
}
}
//动画结束
public void animloadingend() {
if (manimationdrawable != null ) {
manimationdrawable.stop();
}
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3、扩展:
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//x轴平移
public void animy( int y, int nexty, int duration) {
linearinterpolator ll = new linearinterpolator(); //匀速
objectanimator animator = objectanimator.offloat(yourview, "translationy" , 0 , 300 ); //300若为负值,就是向上平移
animator.setduration(duration);
animator.setinterpolator(ll);
animator.start();
}
//y轴平移
public void animx( int x, int nextx, int duration) {
linearinterpolator ll = new linearinterpolator();
objectanimator animator = objectanimator.offloat(yourview, "translationx" , x, nextx);
animator.setduration(duration);
animator.setinterpolator(ll);
animator.start();
}
//纵向压缩0.5倍
linearinterpolator ll = new linearinterpolator(); //匀速
scaleanimation scaleanimation = new scaleanimation( 1 , 1 , 1 , 0 .5f); //默认从(0,0)
scaleanimation.setduration( 500 );
scaleanimation.setinterpolator(ll);
scaleanimation.setfillafter( true );
chartview.startanimation(scaleanimation);
//横向压缩0.5倍
linearinterpolator ll = new linearinterpolator();
scaleanimation scaleanimation = new scaleanimation( 1 , 0 .5f, 1 , 1 ); //默认从(0,0)
scaleanimation.setduration( 500 );
scaleanimation.setinterpolator(ll);
scaleanimation.setfillafter( true );
chartview.startanimation(scaleanimation);
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以上就是这篇文章的全部内容了,希望本文的内容对大家的学习或者工作具有一定的参考学习价值,如果有疑问大家可以留言交流,谢谢大家对服务器之家的支持。
原文链接:https://blog.csdn.net/meetings/article/details/78785424