package com.reactnativenavigation; import android.os.Bundle; import android.support.annotation.Nullable; import android.support.v7.app.AppCompatActivity; import android.view.View; import com.facebook.react.modules.core.DefaultHardwareBackBtnHandler; public class NavigationActivity extends AppCompatActivity implements DefaultHardwareBackBtnHandler { private View contentView; @Override protected void onCreate(@Nullable Bundle savedInstanceState) { super.onCreate(savedInstanceState); NavigationApplication.instance.getConfig().activityLifecycleDelegate.onActivityCreated(this); } @Override protected void onResume() { super.onResume(); NavigationApplication.instance.getConfig().activityLifecycleDelegate.onActivityResumed(this, this); } @Override protected void onPause() { super.onPause(); NavigationApplication.instance.getConfig().activityLifecycleDelegate.onActivityPaused(this); } @Override protected void onDestroy() { super.onDestroy(); NavigationApplication.instance.getConfig().activityLifecycleDelegate.onActivityDestroyed(this); } @Override public void setContentView(View contentView) { super.setContentView(contentView); this.contentView = contentView; } @Nullable public View getContentView() { return contentView; } @Override public void invokeDefaultOnBackPressed() { onBackPressed(); } }