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Diff Revisions 679 vs 690 for /Android/SmartCharging/SmartCharging/app/src/main/java/it/fedeloper/smartcharging/Manager/Utils.java

		@@ -30,6 +30,42 @@
30	30		* Created by federico on 11/08/2015.
31	31		*/
32	32		public class Utils {
	33	+
	34	+	public static Bitmap getResizedBitmapFromStream(InputStream imageStream){
	35	+	BitmapFactory.Options options = new BitmapFactory.Options();
	36	+	options.inJustDecodeBounds = true;
	37	+	BitmapFactory.decodeStream(imageStream, null, options);
	38	+
	39	+	options.inJustDecodeBounds = false;
	40	+
	41	+	options.inSampleSize = calculateInSampleSize(options, 1000, 2000);
	42	+	return BitmapFactory.decodeStream(imageStream, null, options);
	43	+	}
	44	+
	45	+	public static int calculateInSampleSize(
	46	+	BitmapFactory.Options options, int reqWidth, int reqHeight) {
	47	+	// Raw height and width of image
	48	+	final int height = options.outHeight;
	49	+	final int width = options.outWidth;
	50	+	int inSampleSize = 1;
	51	+
	52	+	if (height > reqHeight \|\| width > reqWidth) {
	53	+
	54	+	final int halfHeight = height / 2;
	55	+	final int halfWidth = width / 2;
	56	+
	57	+	// Calculate the largest inSampleSize value that is a power of 2 and keeps both
	58	+	// height and width larger than the requested height and width.
	59	+	while ((halfHeight / inSampleSize) > reqHeight
	60	+	&& (halfWidth / inSampleSize) > reqWidth) {
	61	+	inSampleSize *= 2;
	62	+	}
	63	+	}
	64	+
	65	+	return inSampleSize;
	66	+	}
	67	+
	68	+
33	69		public static int dpToPx(int dp, Context c) {
34	70		DisplayMetrics displayMetrics = c.getResources().getDisplayMetrics();
35	71		int px = Math.round(dp * (displayMetrics.xdpi / DisplayMetrics.DENSITY_DEFAULT));