Android擷取當前可用記憶體

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寫入本地檔案

private void getMemo(){        //獲得ActivityManager服務的對象        ActivityManager mActivityManager = (ActivityManager)getSystemService(Context.ACTIVITY_SERVICE);        //獲得MemoryInfo對象        ActivityManager.MemoryInfo memoryInfo = new ActivityManager.MemoryInfo() ;        //獲得系統可用記憶體，儲存在MemoryInfo對象上        mActivityManager.getMemoryInfo(memoryInfo) ;        long memSize = memoryInfo.availMem ;        selfHttpRequest.writeToLoacl(memSize+"");        Toast.makeText(this, "success", Toast.LENGTH_SHORT).show();    }

Toast形式

private void toastMemo(){        //獲得ActivityManager服務的對象        ActivityManager mActivityManager = (ActivityManager)getSystemService(Context.ACTIVITY_SERVICE);        //獲得MemoryInfo對象        ActivityManager.MemoryInfo memoryInfo = new ActivityManager.MemoryInfo() ;        //獲得系統可用記憶體，儲存在MemoryInfo對象上        mActivityManager.getMemoryInfo(memoryInfo) ;        long memSize = memoryInfo.availMem ;        double mem = memSize / (1000*1000);        Toast.makeText(this, mem+"MB ", Toast.LENGTH_SHORT).show();    }

Android擷取當前可用記憶體