| /* |
| * Copyright (C) 2010 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.example.android.apis.app; |
| |
| import com.example.android.apis.R; |
| import com.example.android.apis.Shakespeare; |
| |
| import android.app.Activity; |
| import android.app.Fragment; |
| import android.app.ListFragment; |
| import android.content.Intent; |
| import android.content.res.Configuration; |
| import android.os.Bundle; |
| import android.util.Log; |
| import android.util.TypedValue; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.widget.ArrayAdapter; |
| import android.widget.ListView; |
| import android.widget.ScrollView; |
| import android.widget.TextView; |
| |
| /** |
| * Demonstration of using fragments to implement different activity layouts. |
| * This sample provides a different layout (and activity flow) when run in |
| * landscape. |
| */ |
| public class FragmentLayout extends Activity { |
| |
| //BEGIN_INCLUDE(main) |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| |
| setContentView(R.layout.fragment_layout); |
| } |
| //END_INCLUDE(main) |
| |
| /** |
| * This is a secondary activity, to show what the user has selected |
| * when the screen is not large enough to show it all in one activity. |
| */ |
| //BEGIN_INCLUDE(details_activity) |
| public static class DetailsActivity extends Activity { |
| |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| |
| if (getResources().getConfiguration().orientation |
| == Configuration.ORIENTATION_LANDSCAPE) { |
| // If the screen is now in landscape mode, we can show the |
| // dialog in-line with the list so we don't need this activity. |
| finish(); |
| return; |
| } |
| |
| if (savedInstanceState == null) { |
| // During initial setup, plug in the details fragment. |
| DetailsFragment details = new DetailsFragment(); |
| getFragmentManager().openTransaction().add(android.R.id.content, details).commit(); |
| details.setText(getIntent().getIntExtra("text", -1)); |
| } |
| } |
| } |
| //END_INCLUDE(details_activity) |
| |
| //BEGIN_INCLUDE(titles) |
| public static class TitlesFragment extends ListFragment { |
| DetailsFragment mDetails; |
| int mCurCheckPosition = 0; |
| |
| @Override |
| public void onActivityCreated(Bundle savedInstanceState) { |
| super.onActivityCreated(savedInstanceState); |
| |
| // Populate list with our static array of titles. |
| setListAdapter(new ArrayAdapter<String>(getActivity(), |
| android.R.layout.simple_list_item_activated_1, Shakespeare.TITLES)); |
| |
| // Restore last state for checked position. |
| if (savedInstanceState != null) { |
| mCurCheckPosition = savedInstanceState.getInt("curChoice", 0); |
| } |
| |
| // If we are showing details in the screen, set up the list to highlight. |
| mDetails = (DetailsFragment)getFragmentManager().findFragmentById(R.id.details); |
| if (mDetails != null && mDetails.isInLayout()) { |
| getListView().setChoiceMode(ListView.CHOICE_MODE_SINGLE); |
| getListView().setItemChecked(mCurCheckPosition, true); |
| mDetails.setText(mCurCheckPosition); |
| } |
| } |
| |
| @Override |
| public void onSaveInstanceState(Bundle outState) { |
| super.onSaveInstanceState(outState); |
| outState.putInt("curChoice", mCurCheckPosition); |
| } |
| |
| @Override |
| public void onListItemClick(ListView l, View v, int position, long id) { |
| mCurCheckPosition = position; |
| |
| if (mDetails != null && mDetails.isVisible()) { |
| // If the activity has a fragment to display the dialog, |
| // point it to what the user has selected. |
| mDetails.setText(position); |
| getListView().setItemChecked(position, true); |
| } else { |
| // Otherwise we need to launch a new activity to display |
| // the dialog fragment with selected text. |
| Intent intent = new Intent(); |
| intent.setClass(getActivity(), DetailsActivity.class); |
| intent.putExtra("text", position); |
| startActivity(intent); |
| } |
| } |
| } |
| //END_INCLUDE(titles) |
| |
| //BEGIN_INCLUDE(details) |
| public static class DetailsFragment extends Fragment { |
| int mDisplayedText = -1; |
| TextView mText; |
| |
| public void setText(int id) { |
| mDisplayedText = id; |
| if (mText != null && id >= 0) { |
| mText.setText(Shakespeare.DIALOGUE[id]); |
| } |
| } |
| |
| @Override |
| public void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| if (savedInstanceState != null) { |
| mDisplayedText = savedInstanceState.getInt("text", -1); |
| } |
| } |
| |
| @Override |
| public void onSaveInstanceState(Bundle outState) { |
| super.onSaveInstanceState(outState); |
| outState.putInt("text", mDisplayedText); |
| } |
| |
| @Override |
| public View onCreateView(LayoutInflater inflater, ViewGroup container, |
| Bundle savedInstanceState) { |
| ScrollView scroller = new ScrollView(getActivity()); |
| mText = new TextView(getActivity()); |
| int padding = (int)TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, |
| 4, getActivity().getResources().getDisplayMetrics()); |
| mText.setPadding(padding, padding, padding, padding); |
| scroller.addView(mText); |
| if (mDisplayedText >= 0) { |
| mText.setText(Shakespeare.DIALOGUE[mDisplayedText]); |
| } |
| return scroller; |
| } |
| } |
| //END_INCLUDE(details) |
| } |