Messaging: Convert further parts to androidx

CursorLoader, LoaderManager, Preferences, Fragments, ...

Change-Id: I8787b2db365249839547c6d5c21ab7cd5ff42082

src/com/android/messaging/ui/contact/ContactPickerFragment.java

@@ -18,13 +18,9 @@
 package com.android.messaging.ui.contact;
 
 import android.app.Activity;
-import android.app.Fragment;
 import android.database.Cursor;
 import android.graphics.Rect;
 import android.os.Bundle;
-import androidx.appcompat.app.ActionBar;
-import androidx.appcompat.widget.Toolbar;
-import androidx.appcompat.widget.Toolbar.OnMenuItemClickListener;
 import android.text.Editable;
 import android.text.InputType;
 import android.text.TextUtils;
@@ -39,6 +35,14 @@ import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.widget.Toolbar;
+import androidx.appcompat.widget.Toolbar.OnMenuItemClickListener;
+import androidx.fragment.app.Fragment;
+import androidx.loader.app.LoaderManager;
+
 import com.android.messaging.R;
 import com.android.messaging.datamodel.DataModel;
 import com.android.messaging.datamodel.action.ActionMonitor;
@@ -129,7 +133,7 @@ public class ContactPickerFragment extends Fragment implements ContactPickerData
 
         if (ContactUtil.hasReadContactsPermission()) {
             mBinding.bind(DataModel.get().createContactPickerData(getActivity(), this));
-            mBinding.getData().init(getLoaderManager(), mBinding);
+            mBinding.getData().init(LoaderManager.getInstance(this), mBinding);
         }
     }
 
@@ -192,15 +196,9 @@ public class ContactPickerFragment extends Fragment implements ContactPickerData
         return view;
     }
 
-    /**
-     * {@inheritDoc}
-     *
-     * Called when the host activity has been created. At this point, the host activity should
-     * have set the contact picking mode for us so that we may update our visuals.
-     */
     @Override
-    public void onActivityCreated(final Bundle savedInstanceState) {
-        super.onActivityCreated(savedInstanceState);
+    public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
         Assert.isTrue(mContactPickingMode != MODE_UNDEFINED);
         updateVisualsForContactPickingMode(false /* animate */);
         mHost.invalidateActionBar();