在做Andriod应用性能相关的测试中,很关心的一点就是应用所占用的内存了。
我们知道可以通过 adb shell dumpsys meminfo + 包名命令来获取应用占用的内存,但是在代码中怎么获取呢?
这里我们需要用到 Debug.MemoryInfo 这个类。
获取本应用占用内存的方法:
@TargetApi(Build.VERSION_CODES.KITKAT) public static int getMemory() { Debug.MemoryInfo memoryInfo = new Debug.MemoryInfo(); Debug.getMemoryInfo(memoryInfo); // dalvikPRivateClean + nativePrivateClean + otherPrivateClean; int totalPrivateClean = memoryInfo.getTotalPrivateClean(); // dalvikPrivateDirty + nativePrivateDirty + otherPrivateDirty; int totalPrivateDirty = memoryInfo.getTotalPrivateDirty(); // dalvikPss + nativePss + otherPss; int totalPss = memoryInfo.getTotalPss(); // dalvikSharedClean + nativeSharedClean + otherSharedClean; int totalSharedClean = memoryInfo.getTotalSharedClean(); // dalvikSharedDirty + nativeSharedDirty + otherSharedDirty; int totalSharedDirty = memoryInfo.getTotalSharedDirty(); // dalvikSwappablePss + nativeSwappablePss + otherSwappablePss; int totalSwappablePss = memoryInfo.getTotalSwappablePss(); int total = totalPrivateClean + totalPrivateDirty + totalPss + totalSharedClean + totalSharedDirty + totalSwappablePss; return total ; }
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