我按照一个RecyclerView的动画教程进行操作,但是发现动画没有起效,现在有些困惑,不确定是否应用了动画。
Activity.Java: 更新的代码在这里,我尝试了使用按钮点击来调用动画方法,但我不知道如何从Adapter的onBindHolder方法中调用该动画方法。
private void setupRecyclerView() {
RecyclerView.LayoutManager mLayoutManager = new LinearLayoutManager(getApplicationContext());
recyclerView.setLayoutManager(mLayoutManager);
final LayoutAnimationController controller =
AnimationUtils.loadLayoutAnimation(this, R.anim.layout_animation);
recyclerView.setLayoutAnimation(controller);
recyclerView.setAdapter(specialistListAdapter);
}
//placed a dummy button onclick to check animation working or not
public void reloadData(View view) {
runLayoutAnimation(recyclerView);
}
private void runLayoutAnimation(final RecyclerView recyclerView) {
final Context context = recyclerView.getContext();
final LayoutAnimationController controller =
AnimationUtils.loadLayoutAnimation(context, R.anim.layout_animation);
recyclerView.setLayoutAnimation(controller);
recyclerView.getAdapter().notifyDataSetChanged();
recyclerView.scheduleLayoutAnimation();
}
layout_animation.xml:
<?xml version="1.0" encoding="utf-8"?>
<layoutAnimation
xmlns:android="http://schemas.android.com/apk/res/android"
android:animation="@anim/item_list_animation"
android:delay="15%"
android:animationOrder="normal"
/>
item_list_animation.xml:
<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
<translate
android:fromYDelta="-20%"
android:toYDelta="0"
android:interpolator="@android:anim/decelerate_interpolator"
/>
<alpha
android:fromAlpha="0"
android:toAlpha="1"
android:interpolator="@android:anim/decelerate_interpolator"
/>
<scale
android:fromXScale="105%"
android:fromYScale="105%"
android:toXScale="100%"
android:toYScale="100%"
android:pivotX="50%"
android:pivotY="50%"
android:interpolator="@android:anim/decelerate_interpolator"
/>
</set>
感谢您的提前支持。