Example usage for android.app ActivityManager getMemoryClass

Introduction

In this page you can find the example usage for android.app ActivityManager getMemoryClass.

Prototype

public int getMemoryClass()

Source Link

Document

Return the approximate per-application memory class of the current device.

Usage

From source file:Main.java

public static int getHeapMemorySize(Context context) {
    ActivityManager manager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
    return manager.getMemoryClass() * 1024 * 1024;
}

From source file:Main.java

public static int getSingleAppMemeryLimit(Context context) {
    ActivityManager activityManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
    return activityManager.getMemoryClass();
}

From source file:Main.java

/**
 * Returns the Memory Class of the App or Context provided.
 * <br><br>/*from w  ww. java  2s. c  om*/
 * Memory Class defines the application's maximum heap size. They are based on the
 * device's overall memory. The values are in base of 16. You may use
 * it to manage your application's memory properly.
 * <br><br>
 * Example Classes: 16, 24, 48, 64, 80, 96, 112, 128 etc...
 */
public static int getMemoryClass(Context context) {

    if (context == null)
        return -1;

    ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
    return am.getMemoryClass();
}

From source file:Main.java

/**
 * @param context//from  ww w  .  j av  a 2  s . c  o m
 * @return
 */
public static int getMemoryClass(Context context) {
    ActivityManager manager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
    int heapSize = manager.getMemoryClass();
    return heapSize;
}

From source file:Main.java

public static long availableMemory() {
    final Runtime runtime = Runtime.getRuntime();
    final long used = runtime.totalMemory() - runtime.freeMemory();

    final ActivityManager activityManager = (ActivityManager) sContext
            .getSystemService(Context.ACTIVITY_SERVICE);
    final long total = activityManager.getMemoryClass() * 1024 * 1024;

    return total - used;
}

From source file:Main.java

@TargetApi(VERSION_CODES.KITKAT)
public static boolean isLowMemory(Context context) {
    ActivityManager activityManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);

    return (VERSION.SDK_INT >= VERSION_CODES.KITKAT && activityManager.isLowRamDevice())
            || activityManager.getMemoryClass() <= 64;
}

From source file:Main.java

/**
 * Gets the amount of memory available to the application.
 *
 * Queries whether the largeHeap manifest flag is set.
 *
 * @param context//from w w w  .  j a v  a 2s .  co m
 *         the application context
 * @return the amount of memory in bytes available to the application
 */
private static int getAvailableMemory(Context context) {
    ActivityManager activityManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
    boolean largeHeap = (context.getApplicationInfo().flags & 1048576) != 0;
    int memoryClass = largeHeap ? activityManager.getLargeMemoryClass() : activityManager.getMemoryClass();
    return memoryClass * 1048576;
}

From source file:Main.java

static public int getLargeMemoryClass(ActivityManager am) {
    if (methodGetLargeMemoryClass != null) {
        try {/*from  ww w  . j  a va2s . com*/
            Object result = methodGetLargeMemoryClass.invoke(am);
            return (Integer) result;
        } catch (Throwable t) {
            t.printStackTrace();
        }
    }
    return am.getMemoryClass();
}

From source file:com.bt.download.android.util.SystemUtils.java

public static int calculateMemoryCacheSize(Context context) {
    ActivityManager am = (ActivityManager) context.getSystemService(ACTIVITY_SERVICE);
    boolean largeHeap = (context.getApplicationInfo().flags & FLAG_LARGE_HEAP) != 0;
    int memoryClass = am.getMemoryClass();
    if (largeHeap) {
        memoryClass = am.getLargeMemoryClass();
    }//w ww.  j a  v a  2  s.co  m
    // Target ~15% of the available heap.
    return 1024 * 1024 * memoryClass / 7;
}

From source file:com.squareup.picasso3.Utils.java

static int calculateMemoryCacheSize(Context context) {
    ActivityManager am = ContextCompat.getSystemService(context, ActivityManager.class);
    boolean largeHeap = (context.getApplicationInfo().flags & FLAG_LARGE_HEAP) != 0;
    int memoryClass = largeHeap ? am.getLargeMemoryClass() : am.getMemoryClass();
    // Target ~15% of the available heap.
    return (int) (1024L * 1024L * memoryClass / 7);
}