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Android 性能优化：请解释ANR（Application Not Responding）是什么，如何避免它？

ANR（Application Not Responding）是指Android应用程序在主线程上执行太长时间，导致应用无法及时响应用户输入事件，从而触发系统的应用无响应（ANR）对话框。在ANR对话框出现时，用户可能会选择等待应用响应或关闭应用。 ANR通常发生在以下几种情况：主线...

Android性能优化篇：Android中如何避免创建不必要的对象

在编程开发中，内存的占用是我们经常要面对的现实，通常的内存调优的方向就是尽量减少内存的占用。这其中避免创建不必要的对象是一项重要的方面。 Android设备不像PC那样有着足够大的内存，而且单个App占用的内存实际上是比较小的。所以避免创建不必要的对象对于Android开发尤为重要。本文会介绍一些...

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