package ch.ffhs.converter; /* * Copyright (C) 2007 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. */ 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; import android.app.ListActivity; import android.content.Intent; import android.content.pm.PackageManager; import android.content.pm.ResolveInfo; import android.os.Bundle; import android.view.View; import android.widget.ListView; import android.widget.SimpleAdapter; public class MenuActivity extends ListActivity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); Intent intent = this.getIntent(); String path = intent.getStringExtra("ch.ffhs.converter.Path"); if (path == null) { path = ""; } this.setListAdapter(new SimpleAdapter(this, this.getData(path), android.R.layout.simple_list_item_1, new String[] { "title" }, new int[] { android.R.id.text1 })); this.getListView().setTextFilterEnabled(true); } protected List getData(String prefix) { List myData = new ArrayList(); Intent mainIntent = new Intent(Intent.ACTION_MAIN, null); mainIntent.addCategory(ConverterApplication.CATEGORY_CONVERTER); PackageManager pm = this.getPackageManager(); List list = pm.queryIntentActivities(mainIntent, 0); if (null == list) { return myData; } String[] prefixPath; if (prefix.equals("")) { prefixPath = null; } else { prefixPath = prefix.split("/"); } int len = list.size(); Map entries = new HashMap(); for (int i = 0; i < len; i++) { ResolveInfo info = list.get(i); CharSequence labelSeq = info.loadLabel(pm); String label = labelSeq != null ? labelSeq.toString() : info.activityInfo.name; if (prefix.length() == 0 || label.startsWith(prefix)) { String[] labelPath = label.split("/"); String nextLabel = prefixPath == null ? labelPath[0] : labelPath[prefixPath.length]; if ((prefixPath != null ? prefixPath.length : 0) == labelPath.length - 1) { this.addItem(myData, nextLabel, this.activityIntent( info.activityInfo.applicationInfo.packageName, info.activityInfo.name)); } else { if (entries.get(nextLabel) == null) { this.addItem( myData, nextLabel, this.browseIntent(prefix.equals("") ? nextLabel : prefix + "/" + nextLabel)); entries.put(nextLabel, true); } } } } Collections.sort(myData, MenuActivity.sDisplayNameComparator); return myData; } private final static Comparator sDisplayNameComparator = new Comparator() { private final Collator collator = Collator.getInstance(); public int compare(Map map1, Map map2) { return this.collator.compare(map1.get("title"), map2.get("title")); } }; protected Intent activityIntent(String pkg, String componentName) { Intent result = new Intent(); result.setClassName(pkg, componentName); return result; } protected Intent browseIntent(String path) { Intent result = new Intent(); result.setClass(this, MenuActivity.class); result.putExtra("ch.ffhs.converter.Path", path); return result; } protected void addItem(List data, String name, Intent intent) { Map temp = new HashMap(); temp.put("title", name); temp.put("intent", intent); data.add(temp); } @Override protected void onListItemClick(ListView l, View v, int position, long id) { Map map = (Map) l.getItemAtPosition(position); Intent intent = (Intent) map.get("intent"); this.startActivity(intent); } }