1. 不要在后台线程中直接调用adapter

2. 不要在后台线程中修改adapter绑定的数据

如果对adapter或者adapter绑定的数据是在线程中，加上runOnUiThread就可以了

runOnUiThread(new Runnable(){

public void run(){

//修改数据

datalist.add(......);

//notify

adapter.notifyDataSetChanged();

}

}

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