Example usage for android.app ActivityManager isLowRamDevice

List of usage examples for android.app ActivityManager isLowRamDevice

  1. HOME
  2. Java
  3. android
  4. android.app.*
  5. ActivityManager
  6. isLowRamDevice

Introduction

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

Prototype

public boolean isLowRamDevice()

Source Link

Document

Returns true if this is a low-RAM device.

Usage

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:org.opensilk.music.MusicApp.java

/** Disable some features depending on device type */
@SuppressWarnings("NewApi")
@DebugLog// www  . java  2  s .  c o m
public static boolean isLowEndHardware(Context context) {
    ActivityManager am = (ActivityManager) context.getSystemService(ACTIVITY_SERVICE);
    if (VersionUtils.hasKitkat()) {
        return am.isLowRamDevice();
    } else if (VersionUtils.hasJellyBean()) {
        ActivityManager.MemoryInfo mi = new ActivityManager.MemoryInfo();
        am.getMemoryInfo(mi);
        return mi.totalMem < (512 * 1024 * 1024);
    } else {
        return Runtime.getRuntime().availableProcessors() == 1;
    }
}

From source file:org.thoughtcrime.securesms.logsubmit.SubmitLogFragment.java

@TargetApi(VERSION_CODES.KITKAT)
public static String getMemoryClass(Context context) {
    ActivityManager activityManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
    String lowMem = "";

    if (VERSION.SDK_INT >= VERSION_CODES.KITKAT && activityManager.isLowRamDevice()) {
        lowMem = ", low-mem device";
    }/*from  www.  ja  v a  2  s.  com*/
    return activityManager.getMemoryClass() + lowMem;
}

From source file:com.google.android.apps.muzei.render.MuzeiRendererFragment.java

@Override
@TargetApi(Build.VERSION_CODES.KITKAT)/*from   w w  w.  ja  va 2  s. com*/
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    boolean simpleDemoMode = false;
    if (mDemoMode && Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
        ActivityManager activityManager = (ActivityManager) getActivity()
                .getSystemService(Context.ACTIVITY_SERVICE);
        if (activityManager.isLowRamDevice()) {
            simpleDemoMode = true;
        }
    }

    if (simpleDemoMode) {
        DisplayMetrics dm = getResources().getDisplayMetrics();
        int targetWidth = dm.widthPixels;
        int targetHeight = dm.heightPixels;
        if (!mDemoFocus) {
            targetHeight = MathUtil.roundMult4(
                    ImageBlurrer.MAX_SUPPORTED_BLUR_PIXELS * 10000 / MuzeiBlurRenderer.DEFAULT_BLUR);
            targetWidth = MathUtil.roundMult4((int) (dm.widthPixels * 1f / dm.heightPixels * targetHeight));
        }

        mSimpleDemoModeImageView = new ImageView(container.getContext());
        mSimpleDemoModeImageView.setScaleType(ImageView.ScaleType.CENTER_CROP);
        Picasso.with(getActivity()).load("file:///android_asset/starrynight.jpg")
                .resize(targetWidth, targetHeight).centerCrop().into(mSimpleDemoModeLoadedTarget);
        return mSimpleDemoModeImageView;
    } else {
        mView = new MuzeiView(getActivity());
        mView.setPreserveEGLContextOnPause(true);
        return mView;
    }
}

From source file:fr.matthiasbosc.translucentmap.MainActivity.java

public boolean isLowRamDevice() {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
        ActivityManager activityManager = (ActivityManager) getSystemService(ACTIVITY_SERVICE);
        RamDeviceStatus = activityManager.isLowRamDevice();
    }//from  w  w  w  . jav  a  2s . com
    return RamDeviceStatus;
}

From source file:cn.edu.wyu.documentviewer.RecentLoader.java

public RecentLoader(Context context, RootsCache roots, State state) {
    super(context);
    mRoots = roots;/*from ww w  .ja v a 2s  .  c  om*/
    mState = state;

    // Keep clients around on high-RAM devices, since we'd be spinning them
    // up moments later to fetch thumbnails anyway.
    final ActivityManager am = (ActivityManager) getContext().getSystemService(Context.ACTIVITY_SERVICE);
    mQueryPermits = new Semaphore(
            am.isLowRamDevice() ? MAX_OUTSTANDING_RECENTS_SVELTE : MAX_OUTSTANDING_RECENTS);
}

From source file:com.ape.transfer.util.FileIconLoader.java

/**
 * Constructor.//  ww w.  j  a v a 2s.co m
 *
 * @param context content context
 */
public FileIconLoader(Context context) {
    mContext = context;
    final ActivityManager am = ((ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE));
    final float cacheSizeAdjustment = (am.isLowRamDevice()) ? 0.5f : 1.0f;
    final int holderCacheSize = (int) (cacheSizeAdjustment * HOLDER_CACHE_SIZE);
    mImageCache = new LruCache<Object, ImageHolder>(holderCacheSize);
    mThumbnailSize = context.getResources().getDimensionPixelSize(R.dimen.icon_width_height);
}

From source file:de.schildbach.wallet.ui.ReportIssueDialogFragment.java

private static void appendDeviceInfo(final Appendable report, final Context context) throws IOException {
    final Resources res = context.getResources();
    final android.content.res.Configuration config = res.getConfiguration();
    final ActivityManager activityManager = (ActivityManager) context
            .getSystemService(Context.ACTIVITY_SERVICE);
    final DevicePolicyManager devicePolicyManager = (DevicePolicyManager) context
            .getSystemService(Context.DEVICE_POLICY_SERVICE);

    report.append("Device Model: " + Build.MODEL + "\n");
    report.append("Android Version: " + Build.VERSION.RELEASE + "\n");
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M)
        report.append("Android security patch level: ").append(Build.VERSION.SECURITY_PATCH).append("\n");
    report.append("ABIs: ")
            .append(Joiner.on(", ").skipNulls()
                    .join(Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP ? supportedAbisLollipop()
                            : supportedAbisKitKat()))
            .append("\n");
    report.append("Board: " + Build.BOARD + "\n");
    report.append("Brand: " + Build.BRAND + "\n");
    report.append("Device: " + Build.DEVICE + "\n");
    report.append("Display: " + Build.DISPLAY + "\n");
    report.append("Finger Print: " + Build.FINGERPRINT + "\n");
    report.append("Host: " + Build.HOST + "\n");
    report.append("ID: " + Build.ID + "\n");
    report.append("Product: " + Build.PRODUCT + "\n");
    report.append("Tags: " + Build.TAGS + "\n");
    report.append("Time: " + Build.TIME + "\n");
    report.append("Type: " + Build.TYPE + "\n");
    report.append("User: " + Build.USER + "\n");
    report.append("Configuration: " + config + "\n");
    report.append("Screen Layout: size "
            + (config.screenLayout & android.content.res.Configuration.SCREENLAYOUT_SIZE_MASK) + " long "
            + (config.screenLayout & android.content.res.Configuration.SCREENLAYOUT_LONG_MASK) + "\n");
    report.append("Display Metrics: " + res.getDisplayMetrics() + "\n");
    report.append(/*from w w  w  .  ja v  a  2 s  .c  o  m*/
            "Memory Class: " + activityManager.getMemoryClass() + "/" + activityManager.getLargeMemoryClass()
                    + (activityManager.isLowRamDevice() ? " (low RAM device)" : "") + "\n");
    report.append("Storage Encryption Status: " + devicePolicyManager.getStorageEncryptionStatus() + "\n");
    report.append("Bluetooth MAC: " + bluetoothMac() + "\n");
    report.append("Runtime: ").append(System.getProperty("java.vm.name")).append(" ")
            .append(System.getProperty("java.vm.version")).append("\n");
}

From source file:com.geniusgithub.contact.common.ContactPhotoManager.java

public ContactPhotoManagerImpl(Context context) {
    mContext = context;//  www  .  j a v  a  2 s.com

    final ActivityManager am = ((ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE));

    final float cacheSizeAdjustment = (am.isLowRamDevice()) ? 0.5f : 1.0f;

    final int bitmapCacheSize = (int) (cacheSizeAdjustment * BITMAP_CACHE_SIZE);
    mBitmapCache = new LruCache<Object, Bitmap>(bitmapCacheSize) {
        @Override
        protected int sizeOf(Object key, Bitmap value) {
            return value.getByteCount();
        }

        @Override
        protected void entryRemoved(boolean evicted, Object key, Bitmap oldValue, Bitmap newValue) {
            if (DEBUG)
                dumpStats();
        }
    };
    final int holderCacheSize = (int) (cacheSizeAdjustment * HOLDER_CACHE_SIZE);
    mBitmapHolderCache = new LruCache<Object, BitmapHolder>(holderCacheSize) {
        @Override
        protected int sizeOf(Object key, BitmapHolder value) {
            return value.bytes != null ? value.bytes.length : 0;
        }

        @Override
        protected void entryRemoved(boolean evicted, Object key, BitmapHolder oldValue, BitmapHolder newValue) {
            if (DEBUG)
                dumpStats();
        }
    };
    mBitmapHolderCacheRedZoneBytes = (int) (holderCacheSize * 0.75);
    Log.i(TAG, "Cache adj: " + cacheSizeAdjustment);
    if (DEBUG) {
        Log.d(TAG, "Cache size: " + btk(mBitmapHolderCache.maxSize()) + " + " + btk(mBitmapCache.maxSize()));
    }

    mThumbnailSize = context.getResources().getDimensionPixelSize(R.dimen.contact_browser_list_item_photo_size);
}

From source file:com.android.contacts.common.ContactPhotoManager.java

public ContactPhotoManagerImpl(Context context) {
    mContext = context;// www  .  jav  a 2 s .c  o  m

    final ActivityManager am = ((ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE));

    final float cacheSizeAdjustment = (am.isLowRamDevice()) ? 0.5f : 1.0f;

    final int bitmapCacheSize = (int) (cacheSizeAdjustment * BITMAP_CACHE_SIZE);
    mBitmapCache = new LruCache<Object, Bitmap>(bitmapCacheSize) {
        @Override
        protected int sizeOf(Object key, Bitmap value) {
            return value.getByteCount();
        }

        @Override
        protected void entryRemoved(boolean evicted, Object key, Bitmap oldValue, Bitmap newValue) {
            if (DEBUG)
                dumpStats();
        }
    };
    final int holderCacheSize = (int) (cacheSizeAdjustment * HOLDER_CACHE_SIZE);
    mBitmapHolderCache = new LruCache<Object, BitmapHolder>(holderCacheSize) {
        @Override
        protected int sizeOf(Object key, BitmapHolder value) {
            return value.bytes != null ? value.bytes.length : 0;
        }

        @Override
        protected void entryRemoved(boolean evicted, Object key, BitmapHolder oldValue, BitmapHolder newValue) {
            if (DEBUG)
                dumpStats();
        }
    };
    mBitmapHolderCacheRedZoneBytes = (int) (holderCacheSize * 0.75);
    Log.i(TAG, "Cache adj: " + cacheSizeAdjustment);
    if (DEBUG) {
        Log.d(TAG, "Cache size: " + btk(mBitmapHolderCache.maxSize()) + " + " + btk(mBitmapCache.maxSize()));
    }

    mThumbnailSize = context.getResources().getDimensionPixelSize(R.dimen.contact_browser_list_item_photo_size);

    // Get a user agent string to use for URI photo requests.
    mUserAgent = UserAgentGenerator.getUserAgent(context);
    if (mUserAgent == null) {
        mUserAgent = "";
    }
}