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We use this function for starting a new Activity and getting results back to current the Fragment or Activity. Import 4.app.As an Android developer, we all should be familiar with the startActivityForResult function. Implementation ':support-v4:28.0.0'ĪndroidTestImplementation ':runner:1.0.2'ĪndroidTestImplementation '.espresso:espresso-core:3.0.2' }Īpply plugin: '' android Implementation ':constraint-layout:1.1.3' Implementation fileTree (dir : 'libs', include : ) ProguardFiles getDefaultProguardFile ( 'proguard-android-optimize.txt' ), 'proguard-rules.pro' } } } TestInstrumentationRunner ".AndroidJUnitRunner" }

In the adle file, we will add the dependency library of the TabLayout. In the activity_main.xml file, we will add the TabLayout and ViewPager view components. In the below example, we are demonstrating the usage of the Android fragment. onDetach(): This method is invoked just before to the fragment no longer being associated with its activity.onDestroy(): This method is used to do final clean up of fragment state.onDestroyView(): This method is used to clean up the resources used by fragment.onStop(): This method is called at the time fragment is no longer visible.onPause(): This method is invoked at the time fragment is no longer interactive.onResume(): This method is used to make the fragment interactive.onStart(): This method is used to make the fragment visible.onViewStateRestored(Bundle): This method is used to inform the specified fragment that fragment view hierarchy saved state has been restored successfully.onActivit圜reated(Bundle): This method is called after onCreate() method completion.

onCreateView(LayoutInflater, ViewGroup, Bundle): This method is used to create and return view hierarchy.onCreate(Bundle): This method is used to initialize the specified fragment.onAttach(Activity): This method is invoked only once when fragment is attached with activity.For a fragment, there are 12 lifecycle methods in Android. Similar to the activity lifecycle, the android fragment also has a lifecycle.