Android Utililty Methods Bitmap Create

List of utility methods to do Bitmap Create

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Description

The list of methods to do Bitmap Create are organized into topic(s).

Method

DrawableGetUrlDrawable(String url)
Get Url Drawable 
try {
    URL aryURI = new URL(url);
    URLConnection conn = aryURI.openConnection();
    InputStream is = conn.getInputStream();
    Bitmap bmp = BitmapFactory.decodeStream(is);
    return new BitmapDrawable(bmp);
} catch (Exception e) {
    Log.e("ERROR", "urlImage2Drawable????????????imageUrl??" + url,
...
Bitmapcreate2DBitmap(Bitmap bitmap)
create D Bitmap 
int width = bitmap.getWidth();
int height = bitmap.getHeight();
float scaleWidth = 2f;
float scaleHeight = 1f;
Matrix matrix = new Matrix();
matrix.postScale(scaleWidth, scaleHeight);
Bitmap leftBitmap = Bitmap.createBitmap(bitmap, 0, 0, width / 2,
        height, matrix, true);
...
BitmapdecodeFromBytes(byte[] bs, int reqWidth, int reqHeight)
decode From Bytes 
if (null == bs) {
    return null;
BitmapFactory.Options decodeOptions = new BitmapFactory.Options();
Bitmap bitmap = null;
decodeOptions.inJustDecodeBounds = true;
BitmapFactory.decodeByteArray(bs, 0, bs.length, decodeOptions);
int actualWidth = decodeOptions.outWidth;
...
BitmapdecodeFromResource(Resources res, int resId)
decode From Resource 
return BitmapFactory.decodeResource(res, resId);
BitmapdecodeFromResource(Resources res, int resId, int reqWidth, int reqHeight)
decode From Resource 
final BitmapFactory.Options options = new BitmapFactory.Options();
options.inJustDecodeBounds = true;
BitmapFactory.decodeResource(res, resId, options);
options.inSampleSize = inSampleSize(options, reqWidth, reqHeight);
options.inJustDecodeBounds = false;
return BitmapFactory.decodeResource(res, resId, options);
BitmapdecodeSampledBitmapFromFile(String filePath, int reqWidth, int reqHeight)
decode Sampled Bitmap From File 
if (TextUtils.isEmpty(filePath)) {
    return null;
final BitmapFactory.Options options = new BitmapFactory.Options();
options.inJustDecodeBounds = true;
options.inPurgeable = true;
options.inInputShareable = true;
BitmapFactory.decodeFile(filePath, options);
...
BitmapdecodeSampledBitmapFromResource(Resources res, int id, int reqWidth, int reqHeight)
decode Sampled Bitmap From Resource 
final BitmapFactory.Options options = new BitmapFactory.Options();
options.inJustDecodeBounds = true;
BitmapFactory.decodeResource(res, id, options);
options.inSampleSize = calculateInSampleSize(options, reqWidth,
        reqHeight);
options.inJustDecodeBounds = false;
return BitmapFactory.decodeResource(res, id, options);
BitmapdecodeSampledBitmapFromResource(Resources res, int resId, int reqWidth, int reqHeight)
decode Sampled Bitmap From Resource 
final BitmapFactory.Options options = new BitmapFactory.Options();
options.inJustDecodeBounds = true;
BitmapFactory.decodeResource(res, resId, options);
options.inSampleSize = calculateInSampleSize(options, reqWidth,
        reqHeight);
options.inJustDecodeBounds = false;
return BitmapFactory.decodeResource(res, resId, options);
BitmapgetBitmap(Context context, InputStream inputStream)
Gets the bitmap. 
File cacheDir;
if (android.os.Environment.getExternalStorageState().equals(
        android.os.Environment.MEDIA_MOUNTED))
    cacheDir = new File(
            android.os.Environment.getExternalStorageDirectory(),
            "Zoolook");
else
    cacheDir = context.getCacheDir();
...
BitmapgetImage(String absPath)
get Image 
Bitmap bitmap = BitmapFactory.decodeFile(absPath);
return bitmap;