android.app包---------ActivityManager类介绍

逃离我推掉我的手 2023-10-10 15:50 11阅读 0赞

ActivityManager类介绍：

ActivityManager与系统与所有正在运行Activity进行交互。

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相关方法介绍：

[getDeviceConfigurationInfo][]()：获取设备配置属性值

[getMemoryClass][]()：返回当前设备的内存类。

[getMemoryInfo][]([ActivityManager.MemoryInfo][] outInfo)：返回当前系统的内存信息。

[getMemoryInfo][]([ActivityManager.MemoryInfo][] outInfo)：返回系统内存整体信息状态。

[getProcessMemoryInfo][](int\[\] pids)：返回指定进程内存信息。

[getRunningAppProcesses][]()：获取系统里正在运行的进程

[getRunningServices][](int maxNum)：获取系统里所有正在运行的服务。

[getRunningTasks][](int maxNum)：获取系统里最近启动的任务

[Center]: https://img-blog.csdn.net/20131017225655578?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvemhvdXpoaXdlbmdhbmc=/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center
[Center 1]: https://img-blog.csdn.net/20131017225727921?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvemhvdXpoaXdlbmdhbmc=/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center
[Center 2]: https://img-blog.csdn.net/20131017225746937?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvemhvdXpoaXdlbmdhbmc=/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center
[getDeviceConfigurationInfo]: http://developer.android.com/reference/android/app/ActivityManager.html#getDeviceConfigurationInfo%28%29
[getMemoryClass]: http://developer.android.com/reference/android/app/ActivityManager.html#getMemoryClass%28%29
[getMemoryInfo]: http://developer.android.com/reference/android/app/ActivityManager.html#getMemoryInfo%28android.app.ActivityManager.MemoryInfo%29
[ActivityManager.MemoryInfo]: http://developer.android.com/reference/android/app/ActivityManager.MemoryInfo.html
[getProcessMemoryInfo]: http://developer.android.com/reference/android/app/ActivityManager.html#getProcessMemoryInfo%28int[]%29
[getRunningAppProcesses]: http://developer.android.com/reference/android/app/ActivityManager.html#getRunningAppProcesses%28%29
[getRunningServices]: http://developer.android.com/reference/android/app/ActivityManager.html#getRunningServices%28int%29
[getRunningTasks]: http://developer.android.com/reference/android/app/ActivityManager.html#getRunningTasks%28int%29