Android Utililty Methods Bitmap Load

List of utility methods to do Bitmap Load

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Description

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

Method

BitmapdownSampleBitmap(Uri uri, Activity act, Boolean needRotate)
down Sample Bitmap 
DisplayMetrics displaymetrics = new DisplayMetrics();
act.getWindowManager().getDefaultDisplay()
        .getMetrics(displaymetrics);
Resources r = act.getResources();
int px = (int) TypedValue.applyDimension(
        TypedValue.COMPLEX_UNIT_DIP, 50, r.getDisplayMetrics()); 
int targetWidth = displaymetrics.heightPixels;
int targetHeight = displaymetrics.widthPixels - px;
...
BitmapgetBitmap(Context context, int resId)
get Bitmap 
BitmapDrawable drawable = (BitmapDrawable) context.getResources()
        .getDrawable(resId);
return drawable.getBitmap();
BitmapgetBitmap(String photoId)
This method used to get Bitmap From photo id. 
final Cursor photo = mSmartAndroidActivity.managedQuery(
        Data.CONTENT_URI, new String[] { Photo.PHOTO }, Data._ID
                + "=?", new String[] { photoId }, null);
final Bitmap photoBitmap;
if (photo.moveToFirst()) {
    byte[] photoBlob = photo.getBlob(photo
            .getColumnIndex(Photo.PHOTO));
    photoBitmap = BitmapFactory.decodeByteArray(photoBlob, 0,
...
BitmapgetBitmapFromAsset(String strName, Context context)
get Bitmap From Asset 
try {
    AssetManager assetManager = context.getAssets();
    InputStream inputStream = assetManager.open(strName);
    return BitmapFactory.decodeStream(inputStream);
} catch (IOException e) {
    Toast.makeText(context, "Error in filepath", Toast.LENGTH_SHORT)
            .show();
    e.printStackTrace();
...
BitmapgetBitmapFromInternet(String strName)
get Bitmap From Internet 
try {
    URL url = new URL(strName);
    HttpURLConnection connection = (HttpURLConnection) url
            .openConnection();
    connection.setDoInput(true);
    connection.connect();
    InputStream input = connection.getInputStream();
    Bitmap myBitmap = BitmapFactory.decodeStream(input);
...
BitmapgetBitmapFromUri(Context ctxt, Uri selectedImageURI)
get Bitmap From Uri 
try {
    InputStream is = ctxt.getContentResolver().openInputStream(
            selectedImageURI);
    is = ctxt.getContentResolver()
            .openInputStream(selectedImageURI);
    Bitmap bitmap = BitmapFactory.decodeStream(is);
    return bitmap;
} catch (FileNotFoundException e) {
...
BitmapgetBitmapFromUrl(String url)
get Bitmap From Url 
byte[] bytes = getBytesFromUrl(url);
return byteToBitmap(bytes);
BitmaploadBitmapFromFile(String fileNameWithPath)
load Bitmap From File 
Bitmap bitmap = BitmapFactory.decodeFile(fileNameWithPath);
return bitmap;
BitmapdownloadBitmap(URI uri)
download Bitmap 
try {
    URLConnection connection = uri.toURL().openConnection();
    connection.connect();
    InputStream is = connection.getInputStream();
    BufferedInputStream bis = new BufferedInputStream(is, 8 * 1024);
    Bitmap bmp = BitmapFactory.decodeStream(bis);
    bis.close();
    is.close();
...
BitmapreturnBitMap(String path)
return Bit Map 
URL url = null;
Bitmap bitmap = null;
url = new URL(path);
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setDoInput(true);
conn.connect();
InputStream is = conn.getInputStream();
bitmap = BitmapFactory.decodeStream(is);
...