Load image from url

Question

The accepted answer above is great if you are loading the image based on a button click, however if you are doing it in a new activity it freezes up the UI for a second or two. Looking around I found that a simple asynctask eliminated this problem.

To use an asynctask to add this class at the end of your activity:

private class DownloadImageTask extends AsyncTask<String, Void, Bitmap> {
  ImageView bmImage;

  public DownloadImageTask(ImageView bmImage) {
      this.bmImage = bmImage;
  }

  protected Bitmap doInBackground(String... urls) {
      String urldisplay = urls[0];
      Bitmap mIcon11 = null;
      try {
        InputStream in = new java.net.URL(urldisplay).openStream();
        mIcon11 = BitmapFactory.decodeStream(in);
      } catch (Exception e) {
          Log.e("Error", e.getMessage());
          e.printStackTrace();
      }
      return mIcon11;
  }

  protected void onPostExecute(Bitmap result) {
      bmImage.setImageBitmap(result);
  }
}

And call from your onCreate() method using:

new DownloadImageTask((ImageView) findViewById(R.id.imageView1))
        .execute(MY_URL_STRING);

Dont forget to add below permission in your manifest file

<uses-permission android:name="android.permission.INTERNET"/>

Works great for me. :)

URL url = new URL("http://image10.bizrate-images.com/resize?sq=60&uid=2216744464");
Bitmap bmp = BitmapFactory.decodeStream(url.openConnection().getInputStream());
imageView.setImageBitmap(bmp);

try picasso nice and finishes in one statement

Picasso.with(context)
                .load(ImageURL)
                .resize(width,height).into(imageView);

tutorial: https://youtu.be/DxRqxsEPc2s

(note: Picasso.with() has been renamed to Picasso.get() in the latest release)

There is two way :

1) Using Glide library This is best way to load image from url because when you try to display same url in second time it will display from catch so improve app performance

Glide.with(context).load("YourUrl").into(imageView);

dependency : implementation 'com.github.bumptech.glide:glide:4.10.0'

2) Using Stream. Here you want to create bitmap from url image

URL url = new URL("YourUrl");
Bitmap bitmap = BitmapFactory.decodeStream(url.openConnection().getInputStream());
imageView.setImageBitmap(bitmap);