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1.
histogram 搜索包名，Thread、HandlerThread....
右键排除强以外引用 incomings

 

2.handler.post
handler.sendMessage一样
https://blog.csdn.net/ly502541243/article/details/52062179/

3.线程池，异步线程，内存模型

4.AsyncTask定制线程
AsyncTask executeOnExecutor

https://blog.csdn.net/fyfcauc/article/details/42742601
https://blog.csdn.net/lichao3459/article/details/9702097

5.AsyncTaskLoader
Android之cursorLoader进行数据异步加载