package org.schabi.newpipe; import android.content.Context; import android.os.Bundle; import android.util.Log; import android.view.View; import androidx.annotation.NonNull; import androidx.appcompat.app.AppCompatActivity; import androidx.fragment.app.Fragment; import androidx.fragment.app.FragmentManager; import com.nostra13.universalimageloader.core.ImageLoader; import icepick.Icepick; import icepick.State; import leakcanary.AppWatcher; public abstract class BaseFragment extends Fragment { public static final ImageLoader IMAGE_LOADER = ImageLoader.getInstance(); protected final String TAG = getClass().getSimpleName() + "@" + Integer.toHexString(hashCode()); protected final boolean DEBUG = MainActivity.DEBUG; protected AppCompatActivity activity; //These values are used for controlling fragments when they are part of the frontpage @State protected boolean useAsFrontPage = false; private boolean mIsVisibleToUser = false; public void useAsFrontPage(final boolean value) { useAsFrontPage = value; } /*////////////////////////////////////////////////////////////////////////// // Fragment's Lifecycle //////////////////////////////////////////////////////////////////////////*/ @Override public void onAttach(final Context context) { super.onAttach(context); activity = (AppCompatActivity) context; } @Override public void onDetach() { super.onDetach(); activity = null; } @Override public void onCreate(final Bundle savedInstanceState) { if (DEBUG) { Log.d(TAG, "onCreate() called with: " + "savedInstanceState = [" + savedInstanceState + "]"); } super.onCreate(savedInstanceState); Icepick.restoreInstanceState(this, savedInstanceState); if (savedInstanceState != null) { onRestoreInstanceState(savedInstanceState); } } @Override public void onViewCreated(final View rootView, final Bundle savedInstanceState) { super.onViewCreated(rootView, savedInstanceState); if (DEBUG) { Log.d(TAG, "onViewCreated() called with: " + "rootView = [" + rootView + "], " + "savedInstanceState = [" + savedInstanceState + "]"); } initViews(rootView, savedInstanceState); initListeners(); } @Override public void onSaveInstanceState(final Bundle outState) { super.onSaveInstanceState(outState); Icepick.saveInstanceState(this, outState); } protected void onRestoreInstanceState(@NonNull final Bundle savedInstanceState) { } @Override public void onDestroy() { super.onDestroy(); AppWatcher.INSTANCE.getObjectWatcher().watch(this); } @Override public void setUserVisibleHint(final boolean isVisibleToUser) { super.setUserVisibleHint(isVisibleToUser); mIsVisibleToUser = isVisibleToUser; } /*////////////////////////////////////////////////////////////////////////// // Init //////////////////////////////////////////////////////////////////////////*/ protected void initViews(final View rootView, final Bundle savedInstanceState) { } protected void initListeners() { } /*////////////////////////////////////////////////////////////////////////// // Utils //////////////////////////////////////////////////////////////////////////*/ public void setTitle(final String title) { if (DEBUG) { Log.d(TAG, "setTitle() called with: title = [" + title + "]"); } if ((!useAsFrontPage || mIsVisibleToUser) && (activity != null && activity.getSupportActionBar() != null)) { activity.getSupportActionBar().setDisplayShowTitleEnabled(true); activity.getSupportActionBar().setTitle(title); } } protected FragmentManager getFM() { return getParentFragment() == null ? getFragmentManager() : getParentFragment().getFragmentManager(); } }