Examples with Display android.view.Display used on opensource projects

Example 31 with Display

use of android.view.Display in project platform_frameworks_base by android.

the class WallpaperManagerService method getMaximumSizeDimension.

private int getMaximumSizeDimension() {
    WindowManager wm = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
    Display d = wm.getDefaultDisplay();
    return d.getMaximumSizeDimension();
}

Example 32 with Display

use of android.view.Display in project grafika by google.

the class MiscUtils method getDisplayRefreshNsec.

/**
     * Obtains the approximate refresh time, in nanoseconds, of the default display associated
     * with the activity.
     * <p>
     * The actual refresh rate can vary slightly (e.g. 58-62fps on a 60fps device).
     */
public static long getDisplayRefreshNsec(Activity activity) {
    Display display = ((WindowManager) activity.getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay();
    double displayFps = display.getRefreshRate();
    long refreshNs = Math.round(1000000000L / displayFps);
    Log.d(TAG, "refresh rate is " + displayFps + " fps --> " + refreshNs + " ns");
    return refreshNs;
}

Example 33 with Display

use of android.view.Display in project QuickReturn by lawloretienne.

the class QuickReturnUtils method px2dp.

public static int px2dp(Context context, int px) {
    WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
    Display display = wm.getDefaultDisplay();
    DisplayMetrics displaymetrics = new DisplayMetrics();
    display.getMetrics(displaymetrics);
    return (int) (px / displaymetrics.density + 0.5f);
}

Example 34 with Display

use of android.view.Display in project QuickReturn by lawloretienne.

the class QuickReturnUtils method dp2px.

public static int dp2px(Context context, int dp) {
    WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
    Display display = wm.getDefaultDisplay();
    DisplayMetrics displaymetrics = new DisplayMetrics();
    display.getMetrics(displaymetrics);
    return (int) (dp * displaymetrics.density + 0.5f);
}

Example 35 with Display

use of android.view.Display in project LiveSDK-for-Android by liveservices.

the class SkyDriveActivity method extractScaledBitmap.

/**
     * Extract a photo from SkyDrive and creates a scaled bitmap according to the device resolution, this is needed to
     * prevent memory over-allocation that can cause some devices to crash when opening high-resolution pictures
     *
     * Note: this method should not be used for downloading photos, only for displaying photos on-screen
     *
     * @param photo The source photo to download
     * @param imageStream The stream that contains the photo
     * @return Scaled bitmap representation of the photo
     * @see http://stackoverflow.com/questions/477572/strange-out-of-memory-issue-while-loading-an-image-to-a-bitmap-object/823966#823966
     */
private Bitmap extractScaledBitmap(SkyDrivePhoto photo, InputStream imageStream) {
    Display display = getWindowManager().getDefaultDisplay();
    int IMAGE_MAX_SIZE = Math.max(display.getWidth(), display.getHeight());
    int scale = 1;
    if (photo.getHeight() > IMAGE_MAX_SIZE || photo.getWidth() > IMAGE_MAX_SIZE) {
        scale = (int) Math.pow(2, (int) Math.ceil(Math.log(IMAGE_MAX_SIZE / (double) Math.max(photo.getHeight(), photo.getWidth())) / Math.log(0.5)));
    }
    BitmapFactory.Options options = new BitmapFactory.Options();
    options.inPurgeable = true;
    options.inSampleSize = scale;
    return BitmapFactory.decodeStream(imageStream, (Rect) null, options);
}