WebSVN - ES - Diff - Rev 8 and 14 - /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;

/**
 * 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);

    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 8	Rev 14
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		35
-		36	/**
-		37	* Generates the main menu as a list of activities from the manifest
-		38	*
-		39	* @author
-		40	* Thomas 'PointedEars' Lahn;
-		41	* Class courtesy of The Android Open Source Project
-		42	* (Android 2.2 SDK Examples), slightly adapted
-		43	*/
36	public class MenuActivity extends ListActivity	44	public class MenuActivity extends ListActivity
37	{	45	{
38		46
39	@Override	47	@Override
40	public void onCreate(Bundle savedInstanceState)	48	public void onCreate(Bundle savedInstanceState)
41	{	49	{
42	super.onCreate(savedInstanceState);	50	super.onCreate(savedInstanceState);
43		51
44	Intent intent = this.getIntent();	52	Intent intent = this.getIntent();
45	String path = intent.getStringExtra("de.pointedears.converter.Path");	53	String path = intent.getStringExtra("de.pointedears.converter.Path"); //$NON-NLS-1$
46		54
47	if (path == null)	55	if (path == null)
48	{	56	{
49	path = "";	57	path = ""; //$NON-NLS-1$
50	}	58	}
51		59
52	this.setListAdapter(new SimpleAdapter(this, this.getData(path),	60	this.setListAdapter(new SimpleAdapter(this, this.getData(path),
53	android.R.layout.simple_list_item_1, new String[] { "title" },	61	android.R.layout.simple_list_item_1, new String[] { "title" }, //$NON-NLS-1$
54	new int[] { android.R.id.text1 }));	62	new int[] { android.R.id.text1 }));
55	this.getListView().setTextFilterEnabled(true);	63	this.getListView().setTextFilterEnabled(true);
56	}	64	}
57		65
-		66	/**
-		67	* @param prefix
-		68	* @return
-		69	*/
58	protected List getData(String prefix)	70	protected List getData(String prefix)
59	{	71	{
60	List<Map> myData = new ArrayList<Map>();	72	List<Map> myData = new ArrayList<Map>();
61		73
62	Intent mainIntent = new Intent(Intent.ACTION_MAIN, null);	74	Intent mainIntent = new Intent(Intent.ACTION_MAIN, null);
63	mainIntent.addCategory(ConverterApplication.CATEGORY_CONVERTER);	75	mainIntent.addCategory(ConverterApplication.CATEGORY_CONVERTER);
64		76
65	PackageManager pm = this.getPackageManager();	77	PackageManager pm = this.getPackageManager();
66	List<ResolveInfo> list = pm.queryIntentActivities(mainIntent, 0);	78	List<ResolveInfo> list = pm.queryIntentActivities(mainIntent, 0);
67		79
68	if (null == list)	80	if (null == list)
69	{	81	{
70	return myData;	82	return myData;
71	}	83	}
72		84
73	String[] prefixPath;	85	String[] prefixPath;
74		86
75	if (prefix.equals(""))	87	if (prefix.equals("")) //$NON-NLS-1$
76	{	88	{
77	prefixPath = null;	89	prefixPath = null;
78	}	90	}
79	else	91	else
80	{	92	{
81	prefixPath = prefix.split("/");	93	prefixPath = prefix.split("/"); //$NON-NLS-1$
82	}	94	}
83		95
84	int len = list.size();	96	int len = list.size();
85		97
86	Map<String, Boolean> entries = new HashMap<String, Boolean>();	98	Map<String, Boolean> entries = new HashMap<String, Boolean>();
87		99
88	for (int i = 0; i < len; i++)	100	for (int i = 0; i < len; i++)
89	{	101	{
90	ResolveInfo info = list.get(i);	102	ResolveInfo info = list.get(i);
91	CharSequence labelSeq = info.loadLabel(pm);	103	CharSequence labelSeq = info.loadLabel(pm);
92	String label = labelSeq != null	104	String label = labelSeq != null
93	? labelSeq.toString()	105	? labelSeq.toString()
94	: info.activityInfo.name;	106	: info.activityInfo.name;
95		107
96	if (prefix.length() == 0 \|\| label.startsWith(prefix))	108	if (prefix.length() == 0 \|\| label.startsWith(prefix))
97	{	109	{
98		110
99	String[] labelPath = label.split("/");	111	String[] labelPath = label.split("/"); //$NON-NLS-1$
100		112
101	String nextLabel =	113	String nextLabel =
102	prefixPath == null ? labelPath[0] : labelPath[prefixPath.length];	114	prefixPath == null ? labelPath[0] : labelPath[prefixPath.length];
103		115
104	if ((prefixPath != null ? prefixPath.length : 0) == labelPath.length - 1)	116	if ((prefixPath != null ? prefixPath.length : 0) == labelPath.length - 1)
105	{	117	{
106	this.addItem(myData, nextLabel, this.activityIntent(	118	this.addItem(myData, nextLabel, this.activityIntent(
107	info.activityInfo.applicationInfo.packageName,	119	info.activityInfo.applicationInfo.packageName,
108	info.activityInfo.name));	120	info.activityInfo.name));
109	}	121	}
110	else	122	else
111	{	123	{
112	if (entries.get(nextLabel) == null)	124	if (entries.get(nextLabel) == null)
113	{	125	{
114	this.addItem(	126	this.addItem(
115	myData,	127	myData,
116	nextLabel,	128	nextLabel,
117	this.browseIntent(prefix.equals("") ? nextLabel : prefix + "/"	129	this.browseIntent(prefix.equals("") ? nextLabel : prefix + "/" //$NON-NLS-1$//$NON-NLS-2$
118	+ nextLabel));	130	+ nextLabel));
119	entries.put(nextLabel, true);	131	entries.put(nextLabel, true);
120	}	132	}
121	}	133	}
122	}	134	}
123	}	135	}
124		136
125	Collections.sort(myData, MenuActivity.sDisplayNameComparator);	137	Collections.sort(myData, MenuActivity.sDisplayNameComparator);
126		138
127	return myData;	139	return myData;
128	}	140	}
129		141
130	private final static Comparator<Map> sDisplayNameComparator =	142	private final static Comparator<Map> sDisplayNameComparator =
131	new Comparator<Map>() {	143	new Comparator<Map>() {
132	private final Collator collator = Collator.getInstance();	144	private final Collator collator = Collator.getInstance();
133		145
134	public int compare(Map map1, Map map2)	146	public int compare(Map map1, Map map2)
135	{	147	{
136	return this.collator.compare(map1.get("title"), map2.get("title"));	148	return this.collator.compare(map1.get("title"), map2.get("title")); //$NON-NLS-1$ //$NON-NLS-2$
137	}	149	}
138	};	150	};
139		151
-		152	/**
-		153	* @param pkg
-		154	* @param componentName
-		155	* @return
-		156	*/
140	protected Intent activityIntent(String pkg, String componentName)	157	protected Intent activityIntent(String pkg, String componentName)
141	{	158	{
142	Intent result = new Intent();	159	Intent result = new Intent();
143	result.setClassName(pkg, componentName);	160	result.setClassName(pkg, componentName);
144	return result;	161	return result;
145	}	162	}
146		163
-		164	/**
-		165	* @param path
-		166	* @return
-		167	*/
147	protected Intent browseIntent(String path)	168	protected Intent browseIntent(String path)
148	{	169	{
149	Intent result = new Intent();	170	Intent result = new Intent();
150	result.setClass(this, MenuActivity.class);	171	result.setClass(this, MenuActivity.class);
151	result.putExtra("de.pointedears.converter.Path", path);	172	result.putExtra("de.pointedears.converter.Path", path); //$NON-NLS-1$
152	return result;	173	return result;
153	}	174	}
154		175
-		176	/**
-		177	* @param data
-		178	* @param name
-		179	* @param intent
-		180	*/
155	protected void addItem(List<Map> data, String name, Intent intent)	181	protected void addItem(List<Map> data, String name, Intent intent)
156	{	182	{
157	Map<String, Object> temp = new HashMap<String, Object>();	183	Map<String, Object> temp = new HashMap<String, Object>();
158	temp.put("title", name);	184	temp.put("title", name); //$NON-NLS-1$
159	temp.put("intent", intent);	185	temp.put("intent", intent); //$NON-NLS-1$
160	data.add(temp);	186	data.add(temp);
161	}	187	}
162		188
-		189	/*
-		190	* (non-Javadoc)
-		191	*
-		192	* @see android.app.ListActivity#onListItemClick(android.widget.ListView,
-		193	* android.view.View, int, long)
-		194	*/
163	@Override	195	@Override
164	protected void onListItemClick(ListView l, View v, int position, long id)	196	protected void onListItemClick(ListView l, View v, int position, long id)
165	{	197	{
166	Map map = (Map) l.getItemAtPosition(position);	198	Map map = (Map) l.getItemAtPosition(position);
167		199
168	Intent intent = (Intent) map.get("intent");	200	Intent intent = (Intent) map.get("intent"); //$NON-NLS-1$
169	this.startActivity(intent);	201	this.startActivity(intent);
170	}	202	}
171		203
172	}	204	}
173		205

Subversion Repositories ES

(root)/trunk/src/de/pointedears/converter/MenuActivity.java - Rev 8 → 14