content: /**
   * Copyright (c) 2018 The Android Open Source Project
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package com.android.launcher3;
  
  import android.os.Bundle;
  import android.view.LayoutInflater;
  import android.view.View;
  import android.view.ViewGroup;
  import android.widget.GridView;
  
  import androidx.fragment.app.DialogFragment;
  
  import com.android.launcher3.R;
  
  /**
   * Callback to be invoked when an app was picked.
   */
  interface AppPickedCallback {
      void onAppPicked(AppEntry appEntry);
  }
  
  /**
   * Dialog that provides the user with a list of available apps to pin to the home screen.
   */
  public class PinnedAppPickerDialog extends DialogFragment {
  
      private AppListAdapter mAppListAdapter;
      private AppPickedCallback mAppPickerCallback;
  
      public PinnedAppPickerDialog() {
      }
  
      public static PinnedAppPickerDialog newInstance(AppListAdapter appListAdapter,
              AppPickedCallback callback) {
          PinnedAppPickerDialog
                  frag = new PinnedAppPickerDialog();
          frag.mAppListAdapter = appListAdapter;
          frag.mAppPickerCallback = callback;
          return frag;
      }
  
      @Override
      public View onCreateView(LayoutInflater inflater, ViewGroup container,
              Bundle savedInstanceState) {
          return inflater.inflate(R.layout.app_picker_dialog, container);
      }
  
      @Override
      public void onViewCreated(View view, Bundle savedInstanceState) {
          super.onViewCreated(view, savedInstanceState);
  
          GridView appGridView = view.findViewById(R.id.picker_app_grid);
          appGridView.setAdapter(mAppListAdapter);
          appGridView.setOnItemClickListener((adapterView, itemView, position, id) -> {
              final AppEntry entry = mAppListAdapter.getItem(position);
              mAppPickerCallback.onAppPicked(entry);
              dismiss();
          });
      }
  }