# MD for: https://www.mercadopago.com.mx/developers/en/docs/smartapps/terminal-features/configure-full-screen.md

\# Configure fullscreen To ensure the best SmartApp experience on Point Smart, we recommend displaying the interface in \*\*fullscreen\*\* mode, without the system navigation bar. This configuration must be done \*\*directly in your Android application code\*\* and \*\*included in the distributed APK\*\*. Follow the steps below to implement fullscreen mode in your application. ## Configure the \*\*AndroidManifest\*\* in your APK Assign the fullscreen theme to each \`Activity\` that should be displayed in fullscreen — for example, the main activity and the rest of the screens in the flow: \`\`\`xml \`\`\` ## Define your fullscreen theme In your app styles file (for example \`res/values/themes.xml\`), add a style that hides the title bar and enables fullscreen mode: \`\`\`xml \`\`\` ## Hide the system UI The bottom navigation bar stays hidden only while the user navigates inside your SmartApp. When moving to the \*\*checkout screen\*\* (Mercado Pago’s native payments app), the system \*\*will show the bar again\*\* automatically. To hide the system bars while navigating in the SmartApp, implement \*\*immersive UI\*\* logic in a base class (\`BaseActivity\`) and make \*\*each \`Activity\` in the project extend it\*\*. This ensures consistent behavior across the flow. In the example below, immersive mode is re-applied when the window regains focus (for example, after returning from another system screen). 

* [java ](#editor%5F2)
* [kotlin ](#editor%5F1)
kotlin java 

```
import android.os.Bundle
import android.view.View
import androidx.appcompat.app.AppCompatActivity

open class BaseActivity : AppCompatActivity() {

  override fun onWindowFocusChanged(hasFocus: Boolean) {
  super.onWindowFocusChanged(hasFocus)
  if (hasFocus) hideSystemUI()
  }

  @Suppress("DEPRECATION")
  private fun hideSystemUI() {
  window.decorView.systemUiVisibility = (
  View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
  or View.SYSTEM_UI_FLAG_FULLSCREEN
  or View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
  or View.SYSTEM_UI_FLAG_LAYOUT_STABLE
  or View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
  or View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
  )
  }
}
```

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```
import android.os.Bundle;
import android.view.View;
import androidx.appcompat.app.AppCompatActivity;

public class BaseActivity extends AppCompatActivity {

  @Override
  public void onWindowFocusChanged(boolean hasFocus) {
  super.onWindowFocusChanged(hasFocus);
  if (hasFocus) {
  hideSystemUI();
  }
  }

  @SuppressWarnings("deprecation")
  private void hideSystemUI() {
  getWindow().getDecorView().setSystemUiVisibility(
  View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
  | View.SYSTEM_UI_FLAG_FULLSCREEN
  | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
  | View.SYSTEM_UI_FLAG_LAYOUT_STABLE
  | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
  | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
  );
  }
}
```

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\> NOTE > > Recent Android versions > > The \`SYSTEM\_UI\_FLAG\_\*\` flags are deprecated from API 30 onward, though they remain common in existing integrations. For new projects or when upgrading your \`compileSdk\`, we recommend reviewing the migration to \`WindowInsetsController\` in the Android documentation. Next, make your screens extend \`BaseActivity\` instead of \`AppCompatActivity\` directly. With the \`AndroidManifest\`, the \`Theme.Fullscreen\` theme, and inheritance from \`BaseActivity\` applied, your SmartApp fullscreen configuration \*\*will be ready\*\*. Simply build the APK and validate the behavior on the Point Smart terminal.