How To Convert Jar File To Apk For Android File

If you have a headless JAR, wrapping it into an APK is straightforward. If it has a desktop GUI, you’re better off rewriting the UI for Android.

In MainActivity.java :

System.out.flush(); String output = baos.toString(); runOnUiThread(() -> textView.setText(output)); }).start(); That’s not conversion — that’s rewriting or recompiling. how to convert jar file to apk for android

import com.yourjarpackage.YourClass; public class MainActivity extends AppCompatActivity @Override protected void onCreate(Bundle savedInstanceState) super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); If you have a headless JAR, wrapping it