using ObjectAnimation to move an image from left to right

Question

i have an image and i animate it to move from left to right according to the layout width().it worked but not in the first time that i open my activity,only after i pushed back from another activity -the animation started. here is the relevant piece in my code:

protected void onResume(){
super.onResume();
    sMineAnimatior();

}

protected void onStart(){
    super.onStart();


}
protected void onPause(){
    super.onPause();


}

public void sMineAnimatior(){
    ObjectAnimator   bombAnim=ObjectAnimator.ofFloat(bombV,"translationX",0,mainLayout.getWidth());
    bombAnim.setDuration(5000);
    bombAnim.setRepeatCount(Animation.INFINITE);
    bombAnim.setTarget(bombV);
    bombAnim.start();
}

score 0 · Answer 1 · edited May 23 '17 at 12:24

0

Probably mainLayout.getWidth() returns 0, because the view hasn't been measured yet. Use one of the techniques described here to make sure you don't call too early.

edited May 23 '17 at 12:24

Community

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answered Jan 12 '17 at 01:18

kar

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using ObjectAnimation to move an image from left to right

1 Answers1