Examples with DisplayMetrics android.util.DisplayMetrics used on opensource projects

Example 71 with DisplayMetrics

use of android.util.DisplayMetrics in project JamsMusicPlayer by psaravan.

the class Common method convertDpToPixels.

/**
     * Converts dp unit to equivalent pixels, depending on device density.
     *
     * @param dp A value in dp (density independent pixels) unit. Which we need to convert into pixels
     * @param context Context to get resources and device specific display metrics
     * @return A float value to represent px equivalent to dp depending on device density
     */
public float convertDpToPixels(float dp, Context context) {
    Resources resources = context.getResources();
    DisplayMetrics metrics = resources.getDisplayMetrics();
    float px = dp * (metrics.densityDpi / 160f);
    return px;
}

Example 72 with DisplayMetrics

use of android.util.DisplayMetrics in project weiciyuan by qii.

the class ImageUtility method getMiddlePictureInBrowserMSGActivity.

public static Bitmap getMiddlePictureInBrowserMSGActivity(String url, FileLocationMethod method, FileDownloaderHttpHelper.DownloadListener downloadListener) {
    try {
        String filePath = FileManager.getFilePathFromUrl(url, method);
        File file = new File(filePath);
        if (!file.exists() && !SettingUtility.isEnablePic()) {
            return null;
        }
        if (!isThisBitmapCanRead(filePath)) {
            getBitmapFromNetWork(url, filePath, downloadListener);
        }
        file = new File(filePath);
        if (file.exists()) {
            DisplayMetrics displayMetrics = GlobalContext.getInstance().getDisplayMetrics();
            return decodeBitmapFromSDCard(filePath, displayMetrics.widthPixels, 900);
        }
        return null;
    } catch (OutOfMemoryError ignored) {
        return null;
    }
}

Example 73 with DisplayMetrics

use of android.util.DisplayMetrics in project weiciyuan by qii.

the class GlobalContext method getDisplayMetrics.

public DisplayMetrics getDisplayMetrics() {
    if (displayMetrics != null) {
        return displayMetrics;
    } else {
        Activity a = getActivity();
        if (a != null) {
            Display display = getActivity().getWindowManager().getDefaultDisplay();
            DisplayMetrics metrics = new DisplayMetrics();
            display.getMetrics(metrics);
            this.displayMetrics = metrics;
            return metrics;
        } else {
            //default screen is 800x480
            DisplayMetrics metrics = new DisplayMetrics();
            metrics.widthPixels = 480;
            metrics.heightPixels = 800;
            return metrics;
        }
    }
}

Example 74 with DisplayMetrics

use of android.util.DisplayMetrics in project weiciyuan by qii.

the class Utility method getScreenWidth.

public static int getScreenWidth() {
    Activity activity = GlobalContext.getInstance().getActivity();
    if (activity != null) {
        Display display = activity.getWindowManager().getDefaultDisplay();
        DisplayMetrics metrics = new DisplayMetrics();
        display.getMetrics(metrics);
        return metrics.widthPixels;
    }
    return 480;
}

Example 75 with DisplayMetrics

use of android.util.DisplayMetrics in project weiciyuan by qii.

the class Utility method getScreenHeight.

public static int getScreenHeight() {
    Activity activity = GlobalContext.getInstance().getActivity();
    if (activity != null) {
        Display display = activity.getWindowManager().getDefaultDisplay();
        DisplayMetrics metrics = new DisplayMetrics();
        display.getMetrics(metrics);
        return metrics.heightPixels;
    }
    return 800;
}