Android Open Source - arcgis-runtime-samples-android Sample List Fragment

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Apache License

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Java Source Code

/*
 * Copyright (C) 2012 The Android Open Source Project
 */*from   w w  w  . j  ava 2 s. c o m*/
 * 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.arcgis.android.samples.geometrysample;

import android.app.Activity;
import android.os.Build;
import android.os.Bundle;
import android.support.v4.app.ListFragment;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.ListView;

public class SampleListFragment extends ListFragment {
  OnSampleNameSelectedListener mCallback;

  // The container Activity must implement this interface so the frag can
  // deliver messages
  public interface OnSampleNameSelectedListener {
    /** Called by SampleListFragment when a list item is selected */
    public void onArticleSelected(int position);
  }

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    // We need to use a different list item layout for devices older than
    // Honeycomb
    int layout = Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB ? android.R.layout.simple_list_item_activated_1
        : android.R.layout.simple_list_item_1;

    // Create an array adapter for the list view, using the SampleNames
    // array
    setListAdapter(new ArrayAdapter<String>(getActivity(), layout,
        getResources().getStringArray(R.array.sample_names)));

  }

  @Override
  public void onStart() {
    super.onStart();

    // When in two-pane layout, set the listview to highlight the selected
    // list item
    // (We do this during onStart because at the point the listview is
    // available.)
    if (getFragmentManager().findFragmentById(R.id.sample_fragment) != null) {
      getListView().setChoiceMode(ListView.CHOICE_MODE_SINGLE);
    }
  }

  @Override
  public void onAttach(Activity activity) {
    super.onAttach(activity);

    // This makes sure that the container activity has implemented
    // the callback interface. If not, it throws an exception.
    try {
      mCallback = (OnSampleNameSelectedListener) activity;
    } catch (ClassCastException e) {
      throw new ClassCastException(activity.toString()
          + " must implement OnSampleNameSelectedListener");
    }
  }

  @Override
  public void onListItemClick(ListView l, View v, int position, long id) {
    // Notify the parent activity of selected item
    mCallback.onArticleSelected(position);

    // Set the item as checked to be highlighted when in two-pane layout
    getListView().setItemChecked(position, true);
  }
}

Java Source Code List