[英]How to repeat Android animation in java?
我这里有这段代码。 我希望 Imageview 执行 animation 5 次。 我需要如何设置 setRepeatCount? 如何灭菌?
private void flipCoin() {
final Drawable drawable = getResources().getDrawable(R.drawable.ic_launcher_background);
final ImageView iv = ((ImageView) findViewById(R.id.imageView));
iv.setRotationY(0f);
//iv.animate().setDuration(10);
iv.animate().rotationY(90f).setListener(new Animator.AnimatorListener() {
@Override
public void onAnimationStart(Animator animation) {
}
@Override
public void onAnimationRepeat(Animator animation) {
}
@Override
public void onAnimationEnd(Animator animation) {
iv.setImageDrawable(drawable);
iv.setRotationY(270f);
iv.animate().rotationY(360f).setListener(null);
}
@Override
public void onAnimationCancel(Animator animation) {
}
});
方法 setRepeatCount 属于Animation class,你正在使用Animator 。
试试这个:
int times = 5;
private void flipCoin() {
final Drawable drawable = getResources().getDrawable(R.drawable.ic_launcher_background);
final ImageView iv = findViewById(R.id.imageView);
iv.setRotationY(0f);
//iv.animate().setDuration(10);
final ViewPropertyAnimator viewPropertyAnimator = iv.animate();
viewPropertyAnimator.rotationY(90f);
viewPropertyAnimator.setListener(new Animator.AnimatorListener() {
@Override
public void onAnimationStart(Animator animation) {
}
@Override
public void onAnimationRepeat(Animator animation) {
}
@Override
public void onAnimationEnd(Animator animation) {
times--;
if (times > 0) {
iv.setImageDrawable(drawable);
iv.setRotationY(270f);
viewPropertyAnimator.rotationY(360f);
viewPropertyAnimator.start(); //Restart
}
}
@Override
public void onAnimationCancel(Animator animation) {
}
});
viewPropertyAnimator.start(); //Init
}
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