Add Gallery images dynamically in android?

Write the file path where the image is saved Environment. GetExternalStorageDirectory() gives path of sdcard File f1 = new File(Environment. GetExternalStorageDirectory() + File.

Separator + "test2. Png"); BitmapFactory. Options o = new BitmapFactory.Options(); o.

InJustDecodeBounds = true; Bitmap bitmap = BitmapFactory. DecodeStream(new FileInputStream(f), null, o); imgView. SetImageBitmap(bitmap) If your image is too big size than bitmap will give error so for that you have to write below code to resize image.

Pass the file in below function Bitmap bitmap = decodeFile(f1); imgView. SetImageBitmap(bitmap); private Bitmap decodeFile(File f) { try { // Decode image size BitmapFactory. Options o = new BitmapFactory.Options(); o.

InJustDecodeBounds = true; BitmapFactory. DecodeStream(new FileInputStream(f), null, o); // The new size we want to scale to final int REQUIRED_SIZE = 150; // Find the correct scale value. It should be the power of 2.Int width_tmp = o.

OutWidth, height_tmp = o. OutHeight; int scale = 1; while (true) { if (width_tmp / 2 Options o2 = new BitmapFactory.Options(); o2. InSampleSize = scale; return BitmapFactory.

DecodeStream(new FileInputStream(f), null, o2); } catch (FileNotFoundException e) { } return null; }.

Write the file path where the image is saved. Environment. GetExternalStorageDirectory() gives path of sdcard.

File f1 = new File(Environment. GetExternalStorageDirectory() + File. Separator + "test2.

Png"); BitmapFactory. Options o = new BitmapFactory.Options(); o. InJustDecodeBounds = true; Bitmap bitmap = BitmapFactory.

DecodeStream(new FileInputStream(f), null, o); imgView. SetImageBitmap(bitmap); If your image is too big size than bitmap will give error so for that you have to write below code to resize image. Pass the file in below function Bitmap bitmap = decodeFile(f1); imgView.

SetImageBitmap(bitmap); private Bitmap decodeFile(File f) { try { // Decode image size BitmapFactory. Options o = new BitmapFactory.Options(); o. InJustDecodeBounds = true; BitmapFactory.

DecodeStream(new FileInputStream(f), null, o); // The new size we want to scale to final int REQUIRED_SIZE = 150; // Find the correct scale value. It should be the power of 2. Int width_tmp = o.

OutWidth, height_tmp = o. OutHeight; int scale = 1; while (true) { if (width_tmp / 2 InSampleSize = scale; return BitmapFactory. DecodeStream(new FileInputStream(f), null, o2); } catch (FileNotFoundException e) { } return null; }.

Thanks for your reply shah. – sanjay Jan 6 at 13:20 . I checked with above answer.Thanks.

But it take images internally from a path and shown the images to viewers.But.. I have to create a browse button. When user clicks that button on emulator. A new popup window should open.It will show list of images in drawble folder of the same application.

Then i've to choose one image from that. It should be added into gallery list to display.(i. E like file attaching on mails).

Is it possible? Thanks in adv. – sanjay Jan 7 at 7:03.

Write the file path where the image is saved.

In your case, you can try make your image array a dynamic list, ex: ArrayList. Upon the arrival of new item, add it to the list, and call notifyDataSetChanged() (method of the adapter), and your gallery list will be refreshed.

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