Android 在旧设备上跳过简单动画
我有一个带有多个文本视图和一个按钮的RecyclerView。该按钮触发一个动画,如下面的gif: 为此,我创建了一个Android 在旧设备上跳过简单动画,android,android-recyclerview,android-animation,onclicklistener,android-transitions,Android,Android Recyclerview,Android Animation,Onclicklistener,Android Transitions,我有一个带有多个文本视图和一个按钮的RecyclerView。该按钮触发一个动画,如下面的gif: 为此,我创建了一个RecyclerView.Adapter并创建了一个OnClickListener,如下所示: public class recyclerViewAdapter extends RecyclerView.Adapter<recyclerViewAdapter.ViewHolder> { private ArrayList<MyObject> ob
RecyclerView.Adapter
并创建了一个OnClickListener
,如下所示:
public class recyclerViewAdapter extends RecyclerView.Adapter<recyclerViewAdapter.ViewHolder> {
private ArrayList<MyObject> objects;
// constructor and other stuff ...
public void setDefaultRequestBtnClickListener(View.OnClickListener defaultRequestBtnClickListener) {
this.defaultRequestBtnClickListener = defaultRequestBtnClickListener;
}
@Override
public void onBindViewHolder(@NonNull final ViewHolder holder, int position) {
MyObject object = objects.get(position);
if (object.getRequestBtnClickListener() != null) {
holder.Btn.setOnClickListener(object.getRequestBtnClickListener());
}else {
holder.Btn.setOnClickListener(defaultRequestBtnClickListener);
}
}
public class ViewHolder extends RecyclerView.ViewHolder{
TextView value;
TextView currentVal;
TextView Btn;
ConstraintLayout parent;
public ViewHolder(@NonNull View itemView) {
super(itemView);
value = itemView.findViewById(R.id.totalPrice);
currentVal = itemView.findViewById(R.id.checkBtn);
Btn = itemView.findViewById(R.id.animateBtn);
parent = itemView.findViewById(R.id.parent);
}
public void bind(final OnMyClickListener listener) {
parent.setOnClickListener(new View.OnClickListener() {
@Override public void onClick(View v) {
listener.onMyClick(v, getLayoutPosition());
}
});
}
}
public interface OnMyClickListener{
void onMyClick(View view, int position);
}
}
这一切在模拟器上都很好,但在旧设备上,动画会跳过,视图会直接转到最终位置。为什么呢?我检查了处理时间,它低于16ms阈值
我该如何改进这一点
(在这里发布完整的代码很困难。询问代码,我会更新问题)你能在运行在oreo上的低功能新设备上试用吗?通常android会跳过动画,以节省cpu周期,因为在高性能的情况下demand@Eldhopj“低功耗”是指低功耗模式?低成本设备,使用低端cpu@Eldhopj我在2015年三星低端设备上试用过。我希望我有一部新的低端手机,但我现在没有。即使是这样,我能做些什么来解决这个问题吗?
@Nullable
@Override
public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
final View rootView = inflater.inflate(R.layout.frag_object_layout, container, false);
final RecyclerView recyclerView = rootView.findViewById(R.id.list);
final ArrayList<MyObject> objects = MyObject.getTestingList();
final recyclerViewAdapter adapter = new recyclerViewAdapter(objects, getContext());
recyclerView.setAdapter(adapter);
recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
adapter.setDefaultRequestBtnClickListener(new View.OnClickListener(){
@Override
public void onClick(View view) {
recyclerViewAdapter.ViewHolder holder = (recyclerViewAdapter.ViewHolder) recyclerView.findViewHolderForAdapterPosition(Position);
if (holder != null) {
if (holder.value.getAlpha() == 0.0f) {
holder.value.animate().alpha(1.0f).setDuration(500);
holder.value.animate().translationY(-38).setDuration(1000);
holder.checkValue.animate().translationY(38).setDuration(1000);
} else {
holder.value.animate().alpha(0.0f).setDuration(500);
holder.value.animate().translationY(0).setDuration(500);
holder.checkValue.animate().translationY(0).setDuration(500);
}
}
}
});
adapter.setOnMyClickListener(new recyclerViewAdapter.OnMyClickListener() {
@Override
public void onMyClick(View view, int pos) {
Position = pos;
holder = (recyclerViewAdapter.ViewHolder) recyclerView.findViewHolderForAdapterPosition(Position);
}
});
return rootView;
}
}