2 * Copyright (C) 2008 The Android Open Source Project
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package com.android.settings;
19 import android.content.ComponentName;
20 import android.content.Intent;
21 import android.content.pm.PackageManager;
22 import android.content.pm.ResolveInfo;
23 import android.os.Build;
24 import android.os.Bundle;
25 import android.os.SystemClock;
26 import android.os.SystemProperties;
27 import android.preference.Preference;
28 import android.preference.PreferenceActivity;
29 import android.preference.PreferenceGroup;
30 import android.preference.PreferenceScreen;
31 import android.provider.Settings;
32 import android.util.Log;
33 import android.view.MotionEvent;
35 import java.io.BufferedReader;
36 import java.io.FileReader;
37 import java.io.IOException;
38 import java.util.List;
39 import java.util.regex.Matcher;
40 import java.util.regex.Pattern;
42 public class DeviceInfoSettings extends PreferenceActivity {
43 private static final String TAG = "DeviceInfoSettings";
45 private static final String KEY_CONTAINER = "container";
46 private static final String KEY_TEAM = "team";
47 private static final String KEY_CONTRIBUTORS = "contributors";
48 private static final String KEY_TERMS = "terms";
49 private static final String KEY_LICENSE = "license";
50 private static final String KEY_COPYRIGHT = "copyright";
51 private static final String KEY_SYSTEM_UPDATE_SETTINGS = "system_update_settings";
52 private static final String PROPERTY_URL_SAFETYLEGAL = "ro.url.safetylegal";
54 long[] mHits = new long[3];
57 protected void onCreate(Bundle icicle) {
58 super.onCreate(icicle);
60 addPreferencesFromResource(R.xml.device_info_settings);
62 // If we don't have an IME tutorial, remove that option
63 String currentIme = Settings.Secure.getString(getContentResolver(),
64 Settings.Secure.DEFAULT_INPUT_METHOD);
65 ComponentName component = ComponentName.unflattenFromString(currentIme);
66 Intent imeIntent = new Intent(component.getPackageName() + ".tutorial");
67 PackageManager pm = getPackageManager();
68 List<ResolveInfo> tutorials = pm.queryIntentActivities(imeIntent, 0);
69 if(tutorials == null || tutorials.isEmpty()) {
70 getPreferenceScreen().removePreference(findPreference("system_tutorial"));
73 setStringSummary("firmware_version", Build.VERSION.RELEASE);
74 findPreference("firmware_version").setEnabled(true);
75 setValueSummary("baseband_version", "gsm.version.baseband");
76 setStringSummary("device_model", Build.MODEL);
77 setStringSummary("build_number", Build.DISPLAY);
78 findPreference("kernel_version").setSummary(getFormattedKernelVersion());
80 // Remove Safety information preference if PROPERTY_URL_SAFETYLEGAL is not set
81 removePreferenceIfPropertyMissing(getPreferenceScreen(), "safetylegal",
82 PROPERTY_URL_SAFETYLEGAL);
85 * Settings is a generic app and should not contain any device-specific
89 // These are contained in the "container" preference group
90 PreferenceGroup parentPreference = (PreferenceGroup) findPreference(KEY_CONTAINER);
91 Utils.updatePreferenceToSpecificActivityOrRemove(this, parentPreference, KEY_TERMS,
92 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY);
93 Utils.updatePreferenceToSpecificActivityOrRemove(this, parentPreference, KEY_LICENSE,
94 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY);
95 Utils.updatePreferenceToSpecificActivityOrRemove(this, parentPreference, KEY_COPYRIGHT,
96 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY);
97 Utils.updatePreferenceToSpecificActivityOrRemove(this, parentPreference, KEY_TEAM,
98 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY);
100 // These are contained by the root preference screen
101 parentPreference = getPreferenceScreen();
102 Utils.updatePreferenceToSpecificActivityOrRemove(this, parentPreference,
103 KEY_SYSTEM_UPDATE_SETTINGS,
104 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY);
105 Utils.updatePreferenceToSpecificActivityOrRemove(this, parentPreference, KEY_CONTRIBUTORS,
106 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY);
110 public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
111 if (preference.getKey().equals("firmware_version")) {
112 System.arraycopy(mHits, 1, mHits, 0, mHits.length-1);
113 mHits[mHits.length-1] = SystemClock.uptimeMillis();
114 if (mHits[0] >= (SystemClock.uptimeMillis()-500)) {
115 Intent intent = new Intent(Intent.ACTION_MAIN);
116 intent.setClassName("android",
117 com.android.internal.app.PlatLogoActivity.class.getName());
119 startActivity(intent);
120 } catch (Exception e) {
124 return super.onPreferenceTreeClick(preferenceScreen, preference);
127 private void removePreferenceIfPropertyMissing(PreferenceGroup preferenceGroup,
128 String preference, String property ) {
129 if (SystemProperties.get(property).equals(""))
131 // Property is missing so remove preference from group
133 preferenceGroup.removePreference(findPreference(preference));
134 } catch (RuntimeException e) {
135 Log.d(TAG, "Property '" + property + "' missing and no '"
136 + preference + "' preference");
141 private void setStringSummary(String preference, String value) {
143 findPreference(preference).setSummary(value);
144 } catch (RuntimeException e) {
145 findPreference(preference).setSummary(
146 getResources().getString(R.string.device_info_default));
150 private void setValueSummary(String preference, String property) {
152 findPreference(preference).setSummary(
153 SystemProperties.get(property,
154 getResources().getString(R.string.device_info_default)));
155 } catch (RuntimeException e) {
160 private String getFormattedKernelVersion() {
161 String procVersionStr;
164 BufferedReader reader = new BufferedReader(new FileReader("/proc/version"), 256);
166 procVersionStr = reader.readLine();
171 final String PROC_VERSION_REGEX =
172 "\\w+\\s+" + /* ignore: Linux */
173 "\\w+\\s+" + /* ignore: version */
174 "([^\\s]+)\\s+" + /* group 1: 2.6.22-omap1 */
175 "\\(([^\\s@]+(?:@[^\\s.]+)?)[^)]*\\)\\s+" + /* group 2: (xxxxxx@xxxxx.constant) */
176 "\\((?:[^(]*\\([^)]*\\))?[^)]*\\)\\s+" + /* ignore: (gcc ..) */
177 "([^\\s]+)\\s+" + /* group 3: #26 */
178 "(?:PREEMPT\\s+)?" + /* ignore: PREEMPT (optional) */
179 "(.+)"; /* group 4: date */
181 Pattern p = Pattern.compile(PROC_VERSION_REGEX);
182 Matcher m = p.matcher(procVersionStr);
185 Log.e(TAG, "Regex did not match on /proc/version: " + procVersionStr);
186 return "Unavailable";
187 } else if (m.groupCount() < 4) {
188 Log.e(TAG, "Regex match on /proc/version only returned " + m.groupCount()
190 return "Unavailable";
192 return (new StringBuilder(m.group(1)).append("\n").append(
193 m.group(2)).append(" ").append(m.group(3)).append("\n")
194 .append(m.group(4))).toString();
196 } catch (IOException e) {
198 "IO Exception when getting kernel version for Device Info screen",
201 return "Unavailable";