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Android:获取内存和进程信息

   ActivityManager mAm = (ActivityManager)context.getSystemService(Context.ACTIVITY_SERVICE);

    private  int getAppsRunning() {
        List<RunningAppProcessInfo> runningApps = mAm.getRunningAppProcesses();
        return runningApps.size();
    }
    
    private long getFreeMemory() {
        MemoryInfo mi = new MemoryInfo();
        mAm.getMemoryInfo(mi);
       return mi.availMem;
    }

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