Okio is a library that complements java.io and java.nio to make it much easier to access, store, and process your data. Simply Okio is a modern I/O API for Java. In this post, we will see how to download image or any file using Okio. Okio is component for OkHttp Coding Part Create a new project in Android Studio. Add following dependencies to your app-level build.gradle file. compile 'com.squareup.okhttp3:okhttp:3.6.0' Don't forget to add the following permission in your AndroidManifest.xml <uses-permission android:name="android.permission.INTERNET"/> <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/> Implementation Paste the following code in your Activity and Here, I have kept as MainActivity.java public void downloadImg(View view) { try { Request request = new Request.Builder() .url(imageLink) .build(); new OkHttpClient().newCall(request).enqueue(new Callback() { @Override public void onFail...