content: /*
   * Copyright (C) 2014 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 androidx.test.ui.app;
  
  import android.app.ListActivity;
  import android.content.Intent;
  import android.content.pm.ActivityInfo;
  import android.content.pm.PackageInfo;
  import android.content.pm.PackageManager;
  import android.content.pm.PackageManager.NameNotFoundException;
  import android.os.Bundle;
  import android.util.Log;
  import android.view.View;
  import android.widget.ListView;
  import android.widget.SimpleAdapter;
  import java.text.Collator;
  import java.util.ArrayList;
  import java.util.Collections;
  import java.util.Comparator;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  /**
   * Displays a list with all available activities.
   */
  public class MainActivity extends ListActivity {
    private static final String TAG = MainActivity.class.getSimpleName();
  
    private static final Comparator<Map<String, Object>> sDisplayNameComparator =
        new Comparator<Map<String, Object>>() {
          private final Collator collator = Collator.getInstance();
  
          @Override
          public int compare(Map<String, Object> map1, Map<String, Object> map2) {
            return collator.compare(map1.get("title"), map2.get("title"));
          }
        };
  
    @Override
    public void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
  
      setListAdapter(new SimpleAdapter(
          this, getData(), android.R.layout.simple_list_item_1, new String[] {"title"},
          new int[] {android.R.id.text1}));
      getListView().setTextFilterEnabled(true);
    }
  
    private List<Map<String, Object>> getData() {
      List<Map<String, Object>> data = new ArrayList<Map<String, Object>>();
  
      PackageInfo info = null;
      try {
        info = getPackageManager().getPackageInfo(getPackageName(), PackageManager.GET_ACTIVITIES);
      } catch (NameNotFoundException e) {
        Log.e(TAG, "Packageinfo not found in: " + getPackageName());
      }
  
      if (null == info) {
        return data;
      } else {
        for (ActivityInfo activityInfo : info.activities) {
  
          // Only include Activities which are not the "MainActivity" and are part of the testapp
          // package!
          if (!activityInfo.name.equals(getComponentName().getClassName())
                  & activityInfo.name.contains(getComponentName().getPackageName())) {
            CharSequence label = activityInfo.nonLocalizedLabel;
            if (label == null || label.toString().isEmpty()) {
              Log.w(TAG, "No label for Activity: " + activityInfo.name);
              continue;
            }
            String[] name = activityInfo.name.split(getPackageName() + ".");
            try {
              addItem(data, name[1],
                  createActivityIntent(activityInfo.applicationInfo.packageName, activityInfo.name));
            } catch (ArrayIndexOutOfBoundsException aoobe) {
              Log.e(TAG, "No name for Activity: " + activityInfo.name, aoobe);
            }
          }
        }
      }
  
      Collections.sort(data, sDisplayNameComparator);
      return data;
    }
  
    private Intent createActivityIntent(String pkg, String componentName) {
      Intent result = new Intent();
      result.setClassName(pkg, componentName);
      return result;
    }
  
    private void addItem(List<Map<String, Object>> data, String name, Intent intent) {
      Map<String, Object> temp = new HashMap<String, Object>();
      temp.put("title", name);
      temp.put("intent", intent);
      data.add(temp);
    }
  
    @Override
    protected void onListItemClick(ListView listView, View view, int position, long id) {
      Map<?, ?> map = (Map<?, ?>) listView.getItemAtPosition(position);
  
      Intent intent = (Intent) map.get("intent");
      startActivity(intent);
    }
  }
  