创建一个比较长的过渡。 TransitionManager.beginDelayedTransition（）;太快 [英] Creating a slower transition. TransitionManager.beginDelayedTransition(); is too fast

问题描述

我创建一个过渡。并在单击按钮时执行下面的方法。该方法改变了尺寸，图像视图的位置，并且它消失了出来。我使用 TransitionManager.beginDelayedTransition（）;实在是太快了。来减缓过渡..但它仍然是走得太快。我能做些什么来过渡放缓。谢谢。

 私人无效moveIcon（）{
    查看moveableIcon = findViewById（R.id.moveableImageView）;    TransitionManager.beginDelayedTransition（myLayout）;    //改变图标的​​位置    RelativeLayout.LayoutParams positionRule =新RelativeLayout.LayoutParams（
            RelativeLayout.LayoutParams.WRAP_CONTENT，            RelativeLayout.LayoutParams.WRAP_CONTENT）;
    positionRule.addRule（RelativeLayout.ALIGN_PARENT_TOP，RelativeLayout.TRUE）;    positionRule.addRule（RelativeLayout.ALIGN_PARENT_LEFT，RelativeLayout.TRUE）;    moveableIcon.setLayoutParams（positionRule）;    //改变按钮的尺寸    ViewGroup.LayoutParams sizeRules = moveableIcon.getLayoutParams（）;
    sizeRules.width = 50;
    sizeRules.height = 50;
    moveableIcon.setLayoutParams（sizeRules）;    fadeOutAndHideImage（图片）;
}私人无效fadeOutAndHideImage（最终ImageView的IMG）
{
    动画淡出=新AlphaAnimation（1，0）;
    fadeOut.setInterpolator（新AccelerateInterpolator（））;
    fadeOut.setDuration（1000）;    fadeOut.setAnimationListener（新Animation.AnimationListener（）
    {
        公共无效onAnimationEnd（动画动画）
        {
            img.setVisibility（View.GONE）;
        }
        公共无效onAnimationRepeat（动画动画）{}
        公共无效onAnimationStart（动画动画）{}
    }）;    img.startAnimation（淡出）;
}
 

解决方案

尝试用这个方法：[beginDelayedTransition（android.view.ViewGroup，android.transition.Transition）]（<一个href=\"https://developer.android.com/reference/android/transition/TransitionManager.html#beginDelayedTransition(android.view.ViewGroup\" rel=\"nofollow\">https://developer.android.com/reference/android/transition/TransitionManager.html#beginDelayedTransition(android.view.ViewGroup, android.transition.Transition））

  AutoTransition autoTransition =新AutoTransition（）;
autoTransition.setDuration（3000）;TransitionManager.beginDelayedTransition（myLayout，autoTransition）;
 

I am creating a transition. And when a button is clicked the following method is executed. The method changed the size , position of the image view, and it fades it out. I am using TransitionManager.beginDelayedTransition(); is too fast. to slow down the transition.. but it is still going too fast. What can i do to slow down the transition. Thank You.

private void moveIcon() {
    View moveableIcon = findViewById(R.id.moveableImageView);

    TransitionManager.beginDelayedTransition(myLayout);

    // change the position of the icon

    RelativeLayout.LayoutParams positionRule = new RelativeLayout.LayoutParams(
            RelativeLayout.LayoutParams.WRAP_CONTENT ,

            RelativeLayout.LayoutParams.WRAP_CONTENT);
    positionRule.addRule(RelativeLayout.ALIGN_PARENT_TOP , RelativeLayout.TRUE);

    positionRule.addRule(RelativeLayout.ALIGN_PARENT_LEFT , RelativeLayout.TRUE);

    moveableIcon.setLayoutParams(positionRule);

    // change the size of the button

    ViewGroup.LayoutParams sizeRules = moveableIcon.getLayoutParams();
    sizeRules.width = 50;
    sizeRules.height = 50;
    moveableIcon.setLayoutParams(sizeRules);

    fadeOutAndHideImage(image);
}

private void fadeOutAndHideImage(final ImageView img)
{
    Animation fadeOut = new AlphaAnimation(1, 0);
    fadeOut.setInterpolator(new AccelerateInterpolator());
    fadeOut.setDuration(1000);

    fadeOut.setAnimationListener(new Animation.AnimationListener()
    {
        public void onAnimationEnd(Animation animation)
        {
            img.setVisibility(View.GONE);
        }
        public void onAnimationRepeat(Animation animation) {}
        public void onAnimationStart(Animation animation) {}
    });

    img.startAnimation(fadeOut);
}

解决方案

Try use this method: [beginDelayedTransition(android.view.ViewGroup, android.transition.Transition)](https://developer.android.com/reference/android/transition/TransitionManager.html#beginDelayedTransition(android.view.ViewGroup, android.transition.Transition))

AutoTransition autoTransition = new AutoTransition();
autoTransition.setDuration(3000);

TransitionManager.beginDelayedTransition(myLayout, autoTransition);

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