WebSVN - ES - Diff - Rev 14 and 17 - /trunk/src/de/pointedears/converter/MenuActivity.java


package de.pointedears.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;
import de.pointedears.converter.helpers.UpdateService;

/**
 * Generates the main menu as a list of activities from the manifest
 *
 * @author
 *         Thomas 'PointedEars' Lahn;
 *         Class courtesy of The Android Open Source Project
 *         (Android 2.2 SDK Examples), slightly adapted
 */
public class MenuActivity extends ListActivity
{
 
  @Override
  public void onCreate(Bundle savedInstanceState)
  {
    super.onCreate(savedInstanceState);

    this.startService(new Intent(this, UpdateService.class));

    Intent intent = this.getIntent();
    String path = intent.getStringExtra("de.pointedears.converter.Path"); //$NON-NLS-1$

    if (path == null)
    {
      path = ""; //$NON-NLS-1$
    }

    this.setListAdapter(new SimpleAdapter(this, this.getData(path),
                android.R.layout.simple_list_item_1, new String[] { "title" }, //$NON-NLS-1$
      new int[] { android.R.id.text1 }));
    this.getListView().setTextFilterEnabled(true);
  }

  /**
   * @param prefix
   * @return
   */
  protected List getData(String prefix)
  {
    List<Map> myData = new ArrayList<Map>();

    Intent mainIntent = new Intent(Intent.ACTION_MAIN, null);
    mainIntent.addCategory(ConverterApplication.CATEGORY_CONVERTER);

    PackageManager pm = this.getPackageManager();
    List<ResolveInfo> list = pm.queryIntentActivities(mainIntent, 0);

    if (null == list)
    {
      return myData;
    }

    String[] prefixPath;

    if (prefix.equals("")) //$NON-NLS-1$
    {
      prefixPath = null;
    }
    else
    {
      prefixPath = prefix.split("/"); //$NON-NLS-1$
    }

    int len = list.size();

    Map<String, Boolean> entries = new HashMap<String, Boolean>();

    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("/"); //$NON-NLS-1$

        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 + "/" //$NON-NLS-1$//$NON-NLS-2$
                + nextLabel));
            entries.put(nextLabel, true);
          }
        }
      }
    }

    Collections.sort(myData, MenuActivity.sDisplayNameComparator);

    return myData;
  }

  private final static Comparator<Map> sDisplayNameComparator =
    new Comparator<Map>() {
      private final Collator collator = Collator.getInstance();

      public int compare(Map map1, Map map2)
      {
        return this.collator.compare(map1.get("title"), map2.get("title")); //$NON-NLS-1$ //$NON-NLS-2$
      }
    };

  /**
   * @param pkg
   * @param componentName
   * @return
   */
  protected Intent activityIntent(String pkg, String componentName)
  {
    Intent result = new Intent();
    result.setClassName(pkg, componentName);
    return result;
  }

  /**
   * @param path
   * @return
   */
  protected Intent browseIntent(String path)
  {
    Intent result = new Intent();
    result.setClass(this, MenuActivity.class);
    result.putExtra("de.pointedears.converter.Path", path); //$NON-NLS-1$
    return result;
  }

  /**
   * @param data
   * @param name
   * @param intent
   */
  protected void addItem(List<Map> data, String name, Intent intent)
  {
    Map<String, Object> temp = new HashMap<String, Object>();
    temp.put("title", name); //$NON-NLS-1$
    temp.put("intent", intent); //$NON-NLS-1$
    data.add(temp);
  }

  /*
   * (non-Javadoc)
   *
   * @see android.app.ListActivity#onListItemClick(android.widget.ListView,
   * android.view.View, int, long)
   */
  @Override
  protected void onListItemClick(ListView l, View v, int position, long id)
  {
    Map map = (Map) l.getItemAtPosition(position);

    Intent intent = (Intent) map.get("intent"); //$NON-NLS-1$
    this.startActivity(intent);
  }

}
 

Rev 14	Rev 17
1	package de.pointedears.converter;	1	package de.pointedears.converter;
2		2
3	/*	3	/*
4	* Copyright (C) 2007 The Android Open Source Project	4	* Copyright (C) 2007 The Android Open Source Project
5	*	5	*
6	* Licensed under the Apache License, Version 2.0 (the "License");	6	* Licensed under the Apache License, Version 2.0 (the "License");
7	* you may not use this file except in compliance with the License.	7	* you may not use this file except in compliance with the License.
8	* You may obtain a copy of the License at	8	* You may obtain a copy of the License at
9	*	9	*
10	* http://www.apache.org/licenses/LICENSE-2.0	10	* http://www.apache.org/licenses/LICENSE-2.0
11	*	11	*
12	* Unless required by applicable law or agreed to in writing, software	12	* Unless required by applicable law or agreed to in writing, software
13	* distributed under the License is distributed on an "AS IS" BASIS,	13	* distributed under the License is distributed on an "AS IS" BASIS,
14	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.	14	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15	* See the License for the specific language governing permissions and	15	* See the License for the specific language governing permissions and
16	* limitations under the License.	16	* limitations under the License.
17	*/	17	*/
18		18
19	import java.text.Collator;	19	import java.text.Collator;
20	import java.util.ArrayList;	20	import java.util.ArrayList;
21	import java.util.Collections;	21	import java.util.Collections;
22	import java.util.Comparator;	22	import java.util.Comparator;
23	import java.util.HashMap;	23	import java.util.HashMap;
24	import java.util.List;	24	import java.util.List;
25	import java.util.Map;	25	import java.util.Map;
26		26
27	import android.app.ListActivity;	27	import android.app.ListActivity;
28	import android.content.Intent;	28	import android.content.Intent;
29	import android.content.pm.PackageManager;	29	import android.content.pm.PackageManager;
30	import android.content.pm.ResolveInfo;	30	import android.content.pm.ResolveInfo;
31	import android.os.Bundle;	31	import android.os.Bundle;
32	import android.view.View;	32	import android.view.View;
33	import android.widget.ListView;	33	import android.widget.ListView;
34	import android.widget.SimpleAdapter;	34	import android.widget.SimpleAdapter;
-		35	import de.pointedears.converter.helpers.UpdateService;
35		36
36	/**	37	/**
37	* Generates the main menu as a list of activities from the manifest	38	* Generates the main menu as a list of activities from the manifest
38	*	39	*
39	* @author	40	* @author
40	* Thomas 'PointedEars' Lahn;	41	* Thomas 'PointedEars' Lahn;
41	* Class courtesy of The Android Open Source Project	42	* Class courtesy of The Android Open Source Project
42	* (Android 2.2 SDK Examples), slightly adapted	43	* (Android 2.2 SDK Examples), slightly adapted
43	*/	44	*/
44	public class MenuActivity extends ListActivity	45	public class MenuActivity extends ListActivity
45	{	46	{
46		-
47	@Override	47	@Override
48	public void onCreate(Bundle savedInstanceState)	48	public void onCreate(Bundle savedInstanceState)
49	{	49	{
50	super.onCreate(savedInstanceState);	50	super.onCreate(savedInstanceState);
51		51
-		52	this.startService(new Intent(this, UpdateService.class));
-		53
52	Intent intent = this.getIntent();	54	Intent intent = this.getIntent();
53	String path = intent.getStringExtra("de.pointedears.converter.Path"); //$NON-NLS-1$	55	String path = intent.getStringExtra("de.pointedears.converter.Path"); //$NON-NLS-1$
54		56
55	if (path == null)	57	if (path == null)
56	{	58	{
57	path = ""; //$NON-NLS-1$	59	path = ""; //$NON-NLS-1$
58	}	60	}
59		61
60	this.setListAdapter(new SimpleAdapter(this, this.getData(path),	62	this.setListAdapter(new SimpleAdapter(this, this.getData(path),
61	android.R.layout.simple_list_item_1, new String[] { "title" }, //$NON-NLS-1$	63	android.R.layout.simple_list_item_1, new String[] { "title" }, //$NON-NLS-1$
62	new int[] { android.R.id.text1 }));	64	new int[] { android.R.id.text1 }));
63	this.getListView().setTextFilterEnabled(true);	65	this.getListView().setTextFilterEnabled(true);
64	}	66	}
65		67
66	/**	68	/**
67	* @param prefix	69	* @param prefix
68	* @return	70	* @return
69	*/	71	*/
70	protected List getData(String prefix)	72	protected List getData(String prefix)
71	{	73	{
72	List<Map> myData = new ArrayList<Map>();	74	List<Map> myData = new ArrayList<Map>();
73		75
74	Intent mainIntent = new Intent(Intent.ACTION_MAIN, null);	76	Intent mainIntent = new Intent(Intent.ACTION_MAIN, null);
75	mainIntent.addCategory(ConverterApplication.CATEGORY_CONVERTER);	77	mainIntent.addCategory(ConverterApplication.CATEGORY_CONVERTER);
76		78
77	PackageManager pm = this.getPackageManager();	79	PackageManager pm = this.getPackageManager();
78	List<ResolveInfo> list = pm.queryIntentActivities(mainIntent, 0);	80	List<ResolveInfo> list = pm.queryIntentActivities(mainIntent, 0);
79		81
80	if (null == list)	82	if (null == list)
81	{	83	{
82	return myData;	84	return myData;
83	}	85	}
84		86
85	String[] prefixPath;	87	String[] prefixPath;
86		88
87	if (prefix.equals("")) //$NON-NLS-1$	89	if (prefix.equals("")) //$NON-NLS-1$
88	{	90	{
89	prefixPath = null;	91	prefixPath = null;
90	}	92	}
91	else	93	else
92	{	94	{
93	prefixPath = prefix.split("/"); //$NON-NLS-1$	95	prefixPath = prefix.split("/"); //$NON-NLS-1$
94	}	96	}
95		97
96	int len = list.size();	98	int len = list.size();
97		99
98	Map<String, Boolean> entries = new HashMap<String, Boolean>();	100	Map<String, Boolean> entries = new HashMap<String, Boolean>();
99		101
100	for (int i = 0; i < len; i++)	102	for (int i = 0; i < len; i++)
101	{	103	{
102	ResolveInfo info = list.get(i);	104	ResolveInfo info = list.get(i);
103	CharSequence labelSeq = info.loadLabel(pm);	105	CharSequence labelSeq = info.loadLabel(pm);
104	String label = labelSeq != null	106	String label = labelSeq != null
105	? labelSeq.toString()	107	? labelSeq.toString()
106	: info.activityInfo.name;	108	: info.activityInfo.name;
107		109
108	if (prefix.length() == 0 \|\| label.startsWith(prefix))	110	if (prefix.length() == 0 \|\| label.startsWith(prefix))
109	{	111	{
110		112
111	String[] labelPath = label.split("/"); //$NON-NLS-1$	113	String[] labelPath = label.split("/"); //$NON-NLS-1$
112		114
113	String nextLabel =	115	String nextLabel =
114	prefixPath == null ? labelPath[0] : labelPath[prefixPath.length];	116	prefixPath == null ? labelPath[0] : labelPath[prefixPath.length];
115		117
116	if ((prefixPath != null ? prefixPath.length : 0) == labelPath.length - 1)	118	if ((prefixPath != null ? prefixPath.length : 0) == labelPath.length - 1)
117	{	119	{
118	this.addItem(myData, nextLabel, this.activityIntent(	120	this.addItem(myData, nextLabel, this.activityIntent(
119	info.activityInfo.applicationInfo.packageName,	121	info.activityInfo.applicationInfo.packageName,
120	info.activityInfo.name));	122	info.activityInfo.name));
121	}	123	}
122	else	124	else
123	{	125	{
124	if (entries.get(nextLabel) == null)	126	if (entries.get(nextLabel) == null)
125	{	127	{
126	this.addItem(	128	this.addItem(
127	myData,	129	myData,
128	nextLabel,	130	nextLabel,
129	this.browseIntent(prefix.equals("") ? nextLabel : prefix + "/" //$NON-NLS-1$//$NON-NLS-2$	131	this.browseIntent(prefix.equals("") ? nextLabel : prefix + "/" //$NON-NLS-1$//$NON-NLS-2$
130	+ nextLabel));	132	+ nextLabel));
131	entries.put(nextLabel, true);	133	entries.put(nextLabel, true);
132	}	134	}
133	}	135	}
134	}	136	}
135	}	137	}
136		138
137	Collections.sort(myData, MenuActivity.sDisplayNameComparator);	139	Collections.sort(myData, MenuActivity.sDisplayNameComparator);
138		140
139	return myData;	141	return myData;
140	}	142	}
141		143
142	private final static Comparator<Map> sDisplayNameComparator =	144	private final static Comparator<Map> sDisplayNameComparator =
143	new Comparator<Map>() {	145	new Comparator<Map>() {
144	private final Collator collator = Collator.getInstance();	146	private final Collator collator = Collator.getInstance();
145		147
146	public int compare(Map map1, Map map2)	148	public int compare(Map map1, Map map2)
147	{	149	{
148	return this.collator.compare(map1.get("title"), map2.get("title")); //$NON-NLS-1$ //$NON-NLS-2$	150	return this.collator.compare(map1.get("title"), map2.get("title")); //$NON-NLS-1$ //$NON-NLS-2$
149	}	151	}
150	};	152	};
151		153
152	/**	154	/**
153	* @param pkg	155	* @param pkg
154	* @param componentName	156	* @param componentName
155	* @return	157	* @return
156	*/	158	*/
157	protected Intent activityIntent(String pkg, String componentName)	159	protected Intent activityIntent(String pkg, String componentName)
158	{	160	{
159	Intent result = new Intent();	161	Intent result = new Intent();
160	result.setClassName(pkg, componentName);	162	result.setClassName(pkg, componentName);
161	return result;	163	return result;
162	}	164	}
163		165
164	/**	166	/**
165	* @param path	167	* @param path
166	* @return	168	* @return
167	*/	169	*/
168	protected Intent browseIntent(String path)	170	protected Intent browseIntent(String path)
169	{	171	{
170	Intent result = new Intent();	172	Intent result = new Intent();
171	result.setClass(this, MenuActivity.class);	173	result.setClass(this, MenuActivity.class);
172	result.putExtra("de.pointedears.converter.Path", path); //$NON-NLS-1$	174	result.putExtra("de.pointedears.converter.Path", path); //$NON-NLS-1$
173	return result;	175	return result;
174	}	176	}
175		177
176	/**	178	/**
177	* @param data	179	* @param data
178	* @param name	180	* @param name
179	* @param intent	181	* @param intent
180	*/	182	*/
181	protected void addItem(List<Map> data, String name, Intent intent)	183	protected void addItem(List<Map> data, String name, Intent intent)
182	{	184	{
183	Map<String, Object> temp = new HashMap<String, Object>();	185	Map<String, Object> temp = new HashMap<String, Object>();
184	temp.put("title", name); //$NON-NLS-1$	186	temp.put("title", name); //$NON-NLS-1$
185	temp.put("intent", intent); //$NON-NLS-1$	187	temp.put("intent", intent); //$NON-NLS-1$
186	data.add(temp);	188	data.add(temp);
187	}	189	}
188		190
189	/*	191	/*
190	* (non-Javadoc)	192	* (non-Javadoc)
191	*	193	*
192	* @see android.app.ListActivity#onListItemClick(android.widget.ListView,	194	* @see android.app.ListActivity#onListItemClick(android.widget.ListView,
193	* android.view.View, int, long)	195	* android.view.View, int, long)
194	*/	196	*/
195	@Override	197	@Override
196	protected void onListItemClick(ListView l, View v, int position, long id)	198	protected void onListItemClick(ListView l, View v, int position, long id)
197	{	199	{
198	Map map = (Map) l.getItemAtPosition(position);	200	Map map = (Map) l.getItemAtPosition(position);
199		201
200	Intent intent = (Intent) map.get("intent"); //$NON-NLS-1$	202	Intent intent = (Intent) map.get("intent"); //$NON-NLS-1$
201	this.startActivity(intent);	203	this.startActivity(intent);
202	}	204	}
203		205
204	}	206	}
205		207

Subversion Repositories ES

(root)/trunk/src/de/pointedears/converter/MenuActivity.java - Rev 14 → 17