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

Example 56 with DisplayMetrics

use of android.util.DisplayMetrics in project XobotOS by xamarin.

the class ActivityThread method getTopLevelResources.

/**
     * Creates the top level Resources for applications with the given compatibility info.
     *
     * @param resDir the resource directory.
     * @param compInfo the compability info. It will use the default compatibility info when it's
     * null.
     */
Resources getTopLevelResources(String resDir, CompatibilityInfo compInfo) {
    ResourcesKey key = new ResourcesKey(resDir, compInfo.applicationScale);
    Resources r;
    synchronized (mPackages) {
        // Resources is app scale dependent.
        if (false) {
            Slog.w(TAG, "getTopLevelResources: " + resDir + " / " + compInfo.applicationScale);
        }
        WeakReference<Resources> wr = mActiveResources.get(key);
        r = wr != null ? wr.get() : null;
        //if (r != null) Slog.i(TAG, "isUpToDate " + resDir + ": " + r.getAssets().isUpToDate());
        if (r != null && r.getAssets().isUpToDate()) {
            if (false) {
                Slog.w(TAG, "Returning cached resources " + r + " " + resDir + ": appScale=" + r.getCompatibilityInfo().applicationScale);
            }
            return r;
        }
    }
    //if (r != null) {
    //    Slog.w(TAG, "Throwing away out-of-date resources!!!! "
    //            + r + " " + resDir);
    //}
    AssetManager assets = new AssetManager();
    if (assets.addAssetPath(resDir) == 0) {
        return null;
    }
    //Slog.i(TAG, "Resource: key=" + key + ", display metrics=" + metrics);
    DisplayMetrics metrics = getDisplayMetricsLocked(null, false);
    r = new Resources(assets, metrics, getConfiguration(), compInfo);
    if (false) {
        Slog.i(TAG, "Created app resources " + resDir + " " + r + ": " + r.getConfiguration() + " appScale=" + r.getCompatibilityInfo().applicationScale);
    }
    synchronized (mPackages) {
        WeakReference<Resources> wr = mActiveResources.get(key);
        Resources existing = wr != null ? wr.get() : null;
        if (existing != null && existing.getAssets().isUpToDate()) {
            // Someone else already created the resources while we were
            // unlocked; go ahead and use theirs.
            r.getAssets().close();
            return existing;
        }
        // XXX need to remove entries when weak references go away
        mActiveResources.put(key, new WeakReference<Resources>(r));
        return r;
    }
}

Example 57 with DisplayMetrics

use of android.util.DisplayMetrics in project LookLook by xinghongfei.

the class DensityUtil method getDeviceInfo.

public static int[] getDeviceInfo(Context context) {
    if ((deviceWidthHeight[0] == 0) && (deviceWidthHeight[1] == 0)) {
        DisplayMetrics metrics = new DisplayMetrics();
        ((Activity) context).getWindowManager().getDefaultDisplay().getMetrics(metrics);
        deviceWidthHeight[0] = metrics.widthPixels;
        deviceWidthHeight[1] = metrics.heightPixels;
    }
    return deviceWidthHeight;
}

Example 58 with DisplayMetrics

use of android.util.DisplayMetrics in project VitamioBundle by yixia.

the class Device method getScreenFeatures.

public static String getScreenFeatures(Context ctx) {
    StringBuilder sb = new StringBuilder();
    DisplayMetrics disp = ctx.getResources().getDisplayMetrics();
    sb.append(getPair("screen_density", "" + disp.density));
    sb.append(getPair("screen_density_dpi", "" + disp.densityDpi));
    sb.append(getPair("screen_height_pixels", "" + disp.heightPixels));
    sb.append(getPair("screen_width_pixels", "" + disp.widthPixels));
    sb.append(getPair("screen_scaled_density", "" + disp.scaledDensity));
    sb.append(getPair("screen_xdpi", "" + disp.xdpi));
    sb.append(getPair("screen_ydpi", "" + disp.ydpi));
    return sb.toString();
}

Example 59 with DisplayMetrics

use of android.util.DisplayMetrics in project ZI by yixia.

the class DeviceUtils method getScreenWidth.

@SuppressWarnings("deprecation")
public static int getScreenWidth(Activity ctx) {
    int width;
    Display display = ctx.getWindowManager().getDefaultDisplay();
    if (UIUtils.hasJellyBeanMR1()) {
        DisplayMetrics displayMetrics = new DisplayMetrics();
        display.getRealMetrics(displayMetrics);
        width = displayMetrics.widthPixels;
    } else {
        try {
            Method mGetRawW = Display.class.getMethod("getRawWidth");
            width = (Integer) mGetRawW.invoke(display);
        } catch (Exception e) {
            width = display.getWidth();
        }
    }
    return width;
}

Example 60 with DisplayMetrics

use of android.util.DisplayMetrics in project ZI by yixia.

the class DeviceUtils method getScreenPhysicalSize.

public static double getScreenPhysicalSize(Activity ctx) {
    DisplayMetrics dm = new DisplayMetrics();
    ctx.getWindowManager().getDefaultDisplay().getMetrics(dm);
    double diagonalPixels = Math.sqrt(Math.pow(dm.widthPixels, 2) + Math.pow(dm.heightPixels, 2));
    return diagonalPixels / (160 * dm.density);
}