Signal-Android/app/src/main/java/org/thoughtcrime/securesms/MainActivity.java

package org.thoughtcrime.securesms;

import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;

import androidx.annotation.NonNull;

import org.thoughtcrime.securesms.util.CommunicationActions;
import org.thoughtcrime.securesms.util.DynamicNoActionBarTheme;
import org.thoughtcrime.securesms.util.DynamicTheme;

public class MainActivity extends PassphraseRequiredActivity {

  private final DynamicTheme  dynamicTheme = new DynamicNoActionBarTheme();
  private final MainNavigator navigator    = new MainNavigator(this);

  @Override
  protected void onCreate(Bundle savedInstanceState, boolean ready) {
    super.onCreate(savedInstanceState, ready);
    setContentView(R.layout.main_activity);

    navigator.onCreate(savedInstanceState);

    handleGroupLinkInIntent(getIntent());
  }

  @Override
  protected void onNewIntent(Intent intent) {
    super.onNewIntent(intent);
    handleGroupLinkInIntent(intent);
  }

  @Override
  protected void onPreCreate() {
    super.onPreCreate();
    dynamicTheme.onCreate(this);
  }

  @Override
  protected void onResume() {
    super.onResume();
    dynamicTheme.onResume(this);
  }

  @Override
  public void onBackPressed() {
    if (!navigator.onBackPressed()) {
      super.onBackPressed();
    }
  }

  public @NonNull MainNavigator getNavigator() {
    return navigator;
  }

  private void handleGroupLinkInIntent(Intent intent) {
    Uri data = intent.getData();
    if (data != null) {
      CommunicationActions.handlePotentialGroupLinkUrl(this, data.toString());
    }
  }
}