Java tutorial
/* * Copyright 2011 Google Inc. * * 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.geozen.smarttrail.ui.tablet; import android.content.Intent; import android.os.Bundle; import android.support.v4.app.FragmentManager; import android.view.Menu; import android.view.MenuItem; import android.view.ViewGroup; import com.geozen.smarttrail.R; import com.geozen.smarttrail.provider.SmartTrailSchema.AreasSchema; import com.geozen.smarttrail.ui.AreaDetailFragment; import com.geozen.smarttrail.ui.AreasFragment; import com.geozen.smarttrail.ui.BaseMultiPaneActivity; import com.geozen.smarttrail.ui.TrailDetailFragment; import com.geozen.smarttrail.ui.TrailsFragment; import com.geozen.smarttrail.ui.AddConditionFragment.OnAddConditionListener; import com.geozen.smarttrail.ui.phone.AreaDetailActivity; import com.geozen.smarttrail.ui.phone.AreasActivity; /** * A multi-pane activity, consisting of a {@link AreasDropdownFragment}, a * {@link TrailsFragment}, and {@link TrailDetailFragment}. * * This activity requires API level 11 or greater because * {@link AreasDropdownFragment} requires API level 11. */ public class AreasMultiPaneActivity extends BaseMultiPaneActivity implements OnAddConditionListener { private AreasDropdownFragment mAreasDropdownFragment; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_trails); Intent intent = new Intent(); intent.setData(AreasSchema.CONTENT_URI); final FragmentManager fm = getSupportFragmentManager(); mAreasDropdownFragment = (AreasDropdownFragment) fm.findFragmentById(R.id.fragment_areas_dropdown); mAreasDropdownFragment.reloadFromArguments(intentToFragmentArguments(intent)); } @Override protected void onPostCreate(Bundle savedInstanceState) { super.onPostCreate(savedInstanceState); getActivityHelper().setupSubActivity(); ViewGroup detailContainer = (ViewGroup) findViewById(R.id.fragment_container_trail_detail); if (detailContainer != null && detailContainer.getChildCount() > 0) { findViewById(R.id.fragment_container_trail_detail).setBackgroundColor(0xffffffff); } } @Override public FragmentReplaceInfo onSubstituteFragmentForActivityLaunch(String activityClassName) { if (AreasActivity.class.getName().equals(activityClassName)) { return new FragmentReplaceInfo(AreasFragment.class, "areas", R.id.fragment_container_trails); } else if (AreaDetailActivity.class.getName().equals(activityClassName)) { findViewById(R.id.fragment_container_trail_detail).setBackgroundColor(0xffffffff); return new FragmentReplaceInfo(AreaDetailFragment.class, "area_detail", R.id.fragment_container_trail_detail); } return null; } @Override public boolean onCreateOptionsMenu(Menu menu) { getMenuInflater().inflate(R.menu.refresh_menu_items, menu); //getMenuInflater().inflate(R.menu.add_condition_menu_item, menu); super.onCreateOptionsMenu(menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { return super.onOptionsItemSelected(item); } @Override public void onConditionSubmitted() { FragmentManager fm = getSupportFragmentManager(); fm.popBackStack(); triggerRefresh(); } @Override public void onConditionCancelled() { FragmentManager fm = getSupportFragmentManager(); fm.popBackStack(); } }