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

Example 96 with DisplayMetrics

use of android.util.DisplayMetrics in project zxingfragmentlib by mitoyarzun.

the class CameraConfigurationManager method getScreenOrientation.

// Taken from http://stackoverflow.com/a/10383164/902599
private int getScreenOrientation() {
    int rotation;
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.GINGERBREAD) {
        rotation = ((Activity) context).getWindowManager().getDefaultDisplay().getRotation();
    } else {
        rotation = ((Activity) context).getWindowManager().getDefaultDisplay().getOrientation();
    }
    DisplayMetrics dm = new DisplayMetrics();
    ((Activity) context).getWindowManager().getDefaultDisplay().getMetrics(dm);
    int width = dm.widthPixels;
    int height = dm.heightPixels;
    int orientation;
    // if the device's natural orientation is portrait:
    if ((rotation == Surface.ROTATION_0 || rotation == Surface.ROTATION_180) && height > width || (rotation == Surface.ROTATION_90 || rotation == Surface.ROTATION_270) && width > height) {
        switch(rotation) {
            case Surface.ROTATION_0:
                orientation = ActivityInfo.SCREEN_ORIENTATION_PORTRAIT;
                break;
            case Surface.ROTATION_90:
                orientation = ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE;
                break;
            case Surface.ROTATION_180:
                orientation = ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT;
                break;
            case Surface.ROTATION_270:
                orientation = ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE;
                break;
            default:
                Log.e(TAG, "Unknown screen orientation. Defaulting to " + "portrait.");
                orientation = ActivityInfo.SCREEN_ORIENTATION_PORTRAIT;
                break;
        }
    } else // if the device's natural orientation is landscape or if the device
    // is square:
    {
        switch(rotation) {
            case Surface.ROTATION_0:
                orientation = ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE;
                break;
            case Surface.ROTATION_90:
                orientation = ActivityInfo.SCREEN_ORIENTATION_PORTRAIT;
                break;
            case Surface.ROTATION_180:
                orientation = ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE;
                break;
            case Surface.ROTATION_270:
                orientation = ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT;
                break;
            default:
                Log.e(TAG, "Unknown screen orientation. Defaulting to " + "landscape.");
                orientation = ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE;
                break;
        }
    }
    Log.v(TAG, "Orientation: " + orientation);
    return orientation;
}

Example 97 with DisplayMetrics

use of android.util.DisplayMetrics in project AboutLibraries by mikepenz.

the class UIUtils method convertPixelsToDp.

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

Example 98 with DisplayMetrics

use of android.util.DisplayMetrics in project LollipopShowcase by mikepenz.

the class AppInfo method getEnglishRessources.

public Resources getEnglishRessources(Resources standardResources) {
    AssetManager assets = standardResources.getAssets();
    DisplayMetrics metrics = standardResources.getDisplayMetrics();
    Configuration config = new Configuration(standardResources.getConfiguration());
    config.locale = Locale.US;
    return new Resources(assets, metrics, config);
}

Example 99 with DisplayMetrics

use of android.util.DisplayMetrics in project AndroidDynamicLoader by mmin18.

the class ImageDetailFragment method onActivityCreated.

@Override
public void onActivityCreated(Bundle savedInstanceState) {
    super.onActivityCreated(savedInstanceState);
    mImageUrl = getActivity().getIntent().getStringExtra("imageUrl");
    // Fetch screen height and width, to use as our max size when loading images as this
    // activity runs full screen
    final DisplayMetrics displayMetrics = new DisplayMetrics();
    getActivity().getWindowManager().getDefaultDisplay().getMetrics(displayMetrics);
    final int height = displayMetrics.heightPixels;
    final int width = displayMetrics.widthPixels;
    // For this sample we'll use half of the longest width to resize our images. As the
    // image scaling ensures the image is larger than this, we should be left with a
    // resolution that is appropriate for both portrait and landscape. For best image quality
    // we shouldn't divide by 2, but this will use more memory and require a larger memory
    // cache.
    final int longest = (height > width ? height : width) / 2;
    ImageCache.ImageCacheParams cacheParams = new ImageCache.ImageCacheParams(getActivity(), IMAGE_CACHE_DIR);
    // Set memory cache to 25% of app memory
    cacheParams.setMemCacheSizePercent(0.25f);
    // The ImageFetcher takes care of loading images into our ImageView children asynchronously
    mImageFetcher = new ImageFetcher(getActivity(), longest);
    mImageFetcher.addImageCache(getFragmentManager(), cacheParams);
    mImageFetcher.setImageFadeIn(false);
    if (!TextUtils.isEmpty(mImageUrl)) {
        mImageFetcher.loadImage(mImageUrl, mImageView);
    }
    // Set up activity to go full screen
    getActivity().getWindow().addFlags(LayoutParams.FLAG_FULLSCREEN);
    // Enable some additional newer visibility and ActionBar features to create a more
    // immersive photo viewing experience
    final ActionBar actionBar = getActivity().getActionBar();
    // Hide title text and set home as up
    actionBar.setDisplayShowTitleEnabled(false);
    actionBar.setDisplayHomeAsUpEnabled(true);
    // Start low profile mode and hide ActionBar
    mImageView.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LOW_PROFILE);
    actionBar.hide();
    mImageView.setOnClickListener(this);
}

Example 100 with DisplayMetrics

use of android.util.DisplayMetrics in project qksms by moezbhatti.

the class Units method pxToDp.

/**
     * Converts pixels to dp.
     */
public static int pxToDp(Context context, int px) {
    DisplayMetrics displayMetrics = context.getResources().getDisplayMetrics();
    int dp = Math.round(px / (displayMetrics.xdpi / DisplayMetrics.DENSITY_DEFAULT));
    return dp;
}