Java Code Examples for android.app.ActivityManager#getMemoryInfo()

The following examples show how to use android.app.ActivityManager#getMemoryInfo() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: SystemWatcher.java From cube-sdk with Apache License 2.0

6 votes

public void run() {
    mTimerTask = new TimerTask() {

        @Override
        public void run() {

            MemoryInfo mi = new MemoryInfo();
            ActivityManager activityManager = (ActivityManager) mContext.getSystemService(Activity.ACTIVITY_SERVICE);
            activityManager.getMemoryInfo(mi);
            Runtime runtime = Runtime.getRuntime();
            String s = String.format("free:%s%% %sKB total:%sKB max:%sKB ", runtime.freeMemory() * 100f / runtime.totalMemory(), runtime.freeMemory(), runtime.totalMemory() / 1024,
                    runtime.maxMemory() / 1024);
            // s += String.format("native: free:%sKB total:%sKB max:%sKB", android.os.Debug.getNativeHeapFreeSize() / 1024, android.os.Debug.getNativeHeapAllocatedSize() / 1024,
            // android.os.Debug.getNativeHeapSize() / 1024);
            // s += String.format("| availMem:%sKB", mi.availMem / 1024);
            Log.d("memory", s);
        }
    };

    mTimer = new Timer();
    mTimer.schedule(mTimerTask, 1000, 1000);
}

Example 2

Source File: WXUtils.java From ucar-weex-core with Apache License 2.0

5 votes

public static long getAvailMemory(Context context){
  ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
  ActivityManager.MemoryInfo mi = new ActivityManager.MemoryInfo();
  am.getMemoryInfo(mi);
  //mi.availMem; 当前系统的可用内存
  //return Formatter.formatFileSize(context, mi.availMem);// 将获取的内存大小规格化
  WXLogUtils.w("app AvailMemory ---->>>"+mi.availMem/(1024*1024));
  return mi.availMem/(1024*1024);
}

Example 3

Source File: MemoryUtil.java From AndroidGodEye with Apache License 2.0

5 votes

/**
 * 同步获取系统的总ram大小
 *
 * @param activityManager
 * @return
 */
private static long getRamTotalMem(ActivityManager activityManager) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
        ActivityManager.MemoryInfo mi = new ActivityManager.MemoryInfo();
        activityManager.getMemoryInfo(mi);
        return mi.totalMem / 1024;
    } else if (sTotalMem.get() > 0L) {//如果已经从文件获取过值，则不需要再次获取
        return sTotalMem.get();
    } else {
        final long tm = getRamTotalMemByFile();
        sTotalMem.set(tm);
        return tm;
    }
}

Example 4

Source File: MemInfo.java From react-native-sunmi-inner-printer with MIT License

5 votes

public static long getmem_UNUSED(Context mContext) {
    long MEM_UNUSED;
    // 得到ActivityManager
    ActivityManager am = (ActivityManager) mContext.getSystemService(Context.ACTIVITY_SERVICE);	
    // 创建ActivityManager.MemoryInfo对象          
    ActivityManager.MemoryInfo mi = new ActivityManager.MemoryInfo();
    am.getMemoryInfo(mi);
    // 取得剩余的内存空间        
    MEM_UNUSED = mi.availMem/1048576;
    return MEM_UNUSED;
}

Example 5

Source File: MemoryInfo.java From MobileInfo with Apache License 2.0

5 votes

/**
 * 获取android当前可用内存大小
 *
 * @param context
 * @return
 */
private static String getAvailMemory(Context context) {

    ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
    ActivityManager.MemoryInfo mi = new ActivityManager.MemoryInfo();
    if (am != null) {
        am.getMemoryInfo(mi);
    }
    //mi.availMem; 当前系统的可用内存
    return Formatter.formatFileSize(context, mi.availMem);
}

Example 6

Source File: FileSizeUtil.java From styT with Apache License 2.0

5 votes

/**
 * 获取当前可用内存，返回数据以字节为单位。
 *
 * @param context 可传入应用程序上下文。
 * @return 当前可用内存单位为B。
 */
public static long getAvailableMemory(Context context) {
    ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
    ActivityManager.MemoryInfo memoryInfo = new ActivityManager.MemoryInfo();
    am.getMemoryInfo(memoryInfo);
    return memoryInfo.availMem;
}

Example 7

Source File: SkiaPooledImageRegionDecoder.java From Hentoid with Apache License 2.0

5 votes

private boolean isLowMemory() {
    ActivityManager activityManager = (ActivityManager) context.getSystemService(ACTIVITY_SERVICE);
    if (activityManager != null) {
        ActivityManager.MemoryInfo memoryInfo = new ActivityManager.MemoryInfo();
        activityManager.getMemoryInfo(memoryInfo);
        return memoryInfo.lowMemory;
    } else {
        return true;
    }
}

Example 8

Source File: DeviceInfoUtil.java From FloatUtil with MIT License

5 votes

public static long getFreeMemory(Context context) {

        // 获取android当前可用内存大小
        long fm = 0;
        try {
            ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
            ActivityManager.MemoryInfo mi = new ActivityManager.MemoryInfo();
            am.getMemoryInfo(mi);
            fm = mi.availMem/(1024*1024);
        } catch (Exception e) {

        }

        return fm;
    }

Example 9

Source File: SkiaPooledImageRegionDecoder.java From BlogDemo with Apache License 2.0

5 votes

private boolean isLowMemory() {
    ActivityManager activityManager = (ActivityManager)context.getSystemService(ACTIVITY_SERVICE);
    if (activityManager != null) {
        ActivityManager.MemoryInfo memoryInfo = new ActivityManager.MemoryInfo();
        activityManager.getMemoryInfo(memoryInfo);
        return memoryInfo.lowMemory;
    } else {
        return true;
    }
}

Example 10

Source File: DeviceUtils.java From Box with Apache License 2.0

5 votes

public static String getRamInfo(Context context) {
    long totalSize;
    long availableSize;

    ActivityManager activityManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
    ActivityManager.MemoryInfo memoryInfo = new ActivityManager.MemoryInfo();
    activityManager.getMemoryInfo(memoryInfo);

    totalSize = memoryInfo.totalMem;
    availableSize = memoryInfo.availMem;

    return String.format("%s / %s", Formatter.formatFileSize(context, availableSize), Formatter.formatFileSize(context, totalSize));
}

Example 11

Source File: SystemTool.java From KJFrameForAndroid with Apache License 2.0

5 votes

/**
 * 获取设备的可用内存大小
 * 
 * @param cxt
 *            应用上下文对象context
 * @return 当前内存大小
 */
public static int getDeviceUsableMemory(Context cxt) {
    ActivityManager am = (ActivityManager) cxt
            .getSystemService(Context.ACTIVITY_SERVICE);
    MemoryInfo mi = new MemoryInfo();
    am.getMemoryInfo(mi);
    // 返回当前系统的可用内存
    return (int) (mi.availMem / (1024 * 1024));
}

Example 12

Source File: SkiaPooledImageRegionDecoder.java From EasyPhotos with Apache License 2.0

5 votes

private boolean isLowMemory() {
    ActivityManager activityManager = (ActivityManager)context.getSystemService(ACTIVITY_SERVICE);
    if (activityManager != null) {
        ActivityManager.MemoryInfo memoryInfo = new ActivityManager.MemoryInfo();
        activityManager.getMemoryInfo(memoryInfo);
        return memoryInfo.lowMemory;
    } else {
        return true;
    }
}

Example 13

Source File: DeviceUtils.java From BookReader with Apache License 2.0

5 votes

/**
 * 获取系统当前可用内存大小
 *
 * @param context
 * @return
 */
@TargetApi(Build.VERSION_CODES.CUPCAKE)
public static String getAvailMemory(Context context) {
    ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
    ActivityManager.MemoryInfo mi = new ActivityManager.MemoryInfo();
    am.getMemoryInfo(mi);
    return Formatter.formatFileSize(context, mi.availMem);// 将获取的内存大小规格化
}

Example 14

Source File: MemoryTools.java From SoloPi with Apache License 2.0

5 votes

public static Long getTotalMemory(Context cx) {// 获取android全部内存大小
	if (cx == null) {
		return 0L;
	}

	ActivityManager am = (ActivityManager) cx.getSystemService(Context.ACTIVITY_SERVICE);
	MemoryInfo mi = new MemoryInfo();
	am.getMemoryInfo(mi);
	LogUtil.i(TAG, "Total memory: " + mi.totalMem);
	// mi.totalMem; 当前系统的全部内存

	return mi.totalMem / BYTES_PER_MEGA;// 将获取的内存大小规格化
}

Example 15

Source File: MemoryUtil.java From AndroidBase with Apache License 2.0

5 votes

/**
 * Get available memory info.
 */
@TargetApi(Build.VERSION_CODES.CUPCAKE)
public static String getAvailMemory(Context context) {// 获取android当前可用内存大小
    ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
    ActivityManager.MemoryInfo mi = new ActivityManager.MemoryInfo();
    am.getMemoryInfo(mi);
    // mi.availMem; 当前系统的可用内存
    return Formatter.formatFileSize(context, mi.availMem);// 将获取的内存大小规格化
}

Example 16

Source File: SystemTool.java From Common with Apache License 2.0

5 votes

/**
 * 获取设备的可用内存大小
 *
 * @param cxt 应用上下文对象context
 * @return 当前内存大小
 */
public static int getDeviceUsableMemory(Context cxt) {
    ActivityManager am = (ActivityManager) cxt
            .getSystemService(Context.ACTIVITY_SERVICE);
    MemoryInfo mi = new MemoryInfo();
    am.getMemoryInfo(mi);
    // 返回当前系统的可用内存
    return (int) (mi.availMem / (1024 * 1024));
}

Example 17

Source File: CompatibleApps.java From xDrip-plus with GNU General Public License v3.0

5 votes

private static void checkMemoryConstraints() {
    final ActivityManager actManager = (ActivityManager) xdrip.getAppContext().getSystemService(Context.ACTIVITY_SERVICE);
    final ActivityManager.MemoryInfo memInfo = new ActivityManager.MemoryInfo();
    actManager.getMemoryInfo(memInfo);
    final long totalMemory = memInfo.totalMem;
    // TODO react to total memory
}

Example 18

Source File: WXUtils.java From weex-uikit with MIT License

5 votes

public static long getAvailMemory(Context context){
  ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
  ActivityManager.MemoryInfo mi = new ActivityManager.MemoryInfo();
  am.getMemoryInfo(mi);
  //mi.availMem; 当前系统的可用内存
  //return Formatter.formatFileSize(context, mi.availMem);// 将获取的内存大小规格化
  WXLogUtils.w("app AvailMemory ---->>>"+mi.availMem/(1024*1024));
  return mi.availMem/(1024*1024);
}

Example 19

Source File: PerformanceUtils.java From AndroidPerformanceMonitor with Apache License 2.0

4 votes

public static long getFreeMemory() {
    ActivityManager am = (ActivityManager) BlockCanaryInternals.getContext().provideContext().getSystemService(Context.ACTIVITY_SERVICE);
    ActivityManager.MemoryInfo mi = new ActivityManager.MemoryInfo();
    am.getMemoryInfo(mi);
    return mi.availMem / 1024;
}

Example 20

Source File: MemoryInfoUtil.java From letv with Apache License 2.0

4 votes

public static long getMemUnused(Context context) {
    ActivityManager am = (ActivityManager) context.getSystemService("activity");
    MemoryInfo memoryInfo = new MemoryInfo();
    am.getMemoryInfo(memoryInfo);
    return memoryInfo.availMem / 1024;
}