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View Code? Open in Web Editor NEW:muscle: Help you get a better offer.
License: Apache License 2.0
:muscle: Help you get a better offer.
License: Apache License 2.0
RecycledViewPool复用说明
RecycledViewPool中的缓存ViewHolder在很多场景下会被清除,复用时需要设置不被清除
RecyclerView的卡顿问题归根结底是滑动的卡顿,有一个场景是ViewHolder在滑动过程中创建ViewHolder导致的卡顿,那么问题来了,是否可以在CPU空闲的时候我们给RecyclerViewPool预制一些ViewHolder,这样在滑动过程中只会调用bind方法,而不会调用create方法。
`//需要提前缓存ViewHolder,解决滑动卡顿问题,*操作
MessageQueue.IdleHandler idleHandler = new MessageQueue.IdleHandler() {
@OverRide
public boolean queueIdle() {
new Thread(new Runnable() {
@OverRide
public void run() {
for (int i = 0; i < 10; i++) {
final RecyclerView.ViewHolder viewHolder = mController.getAdapter().createViewHolder(mRecyclerView, PicRecoveryBaseModel.TYPE_ITEM);
mRecyclerView.post(new Runnable() {
@OverRide
public void run() {
mRecyclerView.getRecycledViewPool().putRecycledView(viewHolder);
}
});
}
for (int i = 0; i < 2; i++) {
final RecyclerView.ViewHolder viewHolder = mController.getAdapter().createViewHolder(mRecyclerView, PicRecoveryBaseModel.TYPE_GROUP);
mRecyclerView.post(new Runnable() {
@Override
public void run() {
mRecyclerView.getRecycledViewPool().putRecycledView(viewHolder);
}
});
}
}
}).start();
return false;
}
};`
咋啥子都没嘛,是我打开方法的问题吗QAQ
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