1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 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 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 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. 15 */ 16 17 package com.android.settings; 18 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; 34 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; 41 42 public class DeviceInfoSettings extends PreferenceActivity { 43 private static final String TAG = "DeviceInfoSettings"; 44 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"; 53 private static final String KEY_UPDATE_SETTING = "additional_system_update_settings"; 54 55 long[] mHits = new long[3]; 56 57 @Override 58 protected void onCreate(Bundle icicle) { 59 super.onCreate(icicle); 60 61 addPreferencesFromResource(R.xml.device_info_settings); 62 63 // If we don't have an IME tutorial, remove that option 64 String currentIme = Settings.Secure.getString(getContentResolver(), 65 Settings.Secure.DEFAULT_INPUT_METHOD); 66 ComponentName component = ComponentName.unflattenFromString(currentIme); 67 Intent imeIntent = new Intent(component.getPackageName() + ".tutorial"); 68 PackageManager pm = getPackageManager(); 69 List<ResolveInfo> tutorials = pm.queryIntentActivities(imeIntent, 0); 70 if(tutorials == null || tutorials.isEmpty()) { 71 getPreferenceScreen().removePreference(findPreference("system_tutorial")); 72 } 73 74 setStringSummary("firmware_version", Build.VERSION.RELEASE); 75 findPreference("firmware_version").setEnabled(true); 76 setValueSummary("baseband_version", "gsm.version.baseband"); 77 setStringSummary("device_model", Build.MODEL); 78 setStringSummary("build_number", Build.DISPLAY); 79 findPreference("kernel_version").setSummary(getFormattedKernelVersion()); 80 81 // Remove Safety information preference if PROPERTY_URL_SAFETYLEGAL is not set 82 removePreferenceIfPropertyMissing(getPreferenceScreen(), "safetylegal", 83 PROPERTY_URL_SAFETYLEGAL); 84 85 /* 86 * Settings is a generic app and should not contain any device-specific 87 * info. 88 */ 89 90 // These are contained in the "container" preference group 91 PreferenceGroup parentPreference = (PreferenceGroup) findPreference(KEY_CONTAINER); 92 Utils.updatePreferenceToSpecificActivityOrRemove(this, parentPreference, KEY_TERMS, 93 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY); 94 Utils.updatePreferenceToSpecificActivityOrRemove(this, parentPreference, KEY_LICENSE, 95 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY); 96 Utils.updatePreferenceToSpecificActivityOrRemove(this, parentPreference, KEY_COPYRIGHT, 97 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY); 98 Utils.updatePreferenceToSpecificActivityOrRemove(this, parentPreference, KEY_TEAM, 99 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY); 100 101 // These are contained by the root preference screen 102 parentPreference = getPreferenceScreen(); 103 Utils.updatePreferenceToSpecificActivityOrRemove(this, parentPreference, 104 KEY_SYSTEM_UPDATE_SETTINGS, 105 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY); 106 Utils.updatePreferenceToSpecificActivityOrRemove(this, parentPreference, KEY_CONTRIBUTORS, 107 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY); 108 109 // Read platform settings for additional system update setting 110 boolean mUpdateSettingAvailable = 111 getResources().getBoolean(R.bool.config_additional_system_update_setting_enable); 112 113 if(mUpdateSettingAvailable == false) { 114 getPreferenceScreen().removePreference(findPreference(KEY_UPDATE_SETTING)); 115 } 116 } 117 118 @Override 119 public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) { 120 if (preference.getKey().equals("firmware_version")) { 121 System.arraycopy(mHits, 1, mHits, 0, mHits.length-1); 122 mHits[mHits.length-1] = SystemClock.uptimeMillis(); 123 if (mHits[0] >= (SystemClock.uptimeMillis()-500)) { 124 Intent intent = new Intent(Intent.ACTION_MAIN); 125 intent.setClassName("android", 126 com.android.internal.app.PlatLogoActivity.class.getName()); 127 try { 128 startActivity(intent); 129 } catch (Exception e) { 130 } 131 } 132 } 133 return super.onPreferenceTreeClick(preferenceScreen, preference); 134 } 135 136 private void removePreferenceIfPropertyMissing(PreferenceGroup preferenceGroup, 137 String preference, String property ) { 138 if (SystemProperties.get(property).equals("")) 139 { 140 // Property is missing so remove preference from group 141 try { 142 preferenceGroup.removePreference(findPreference(preference)); 143 } catch (RuntimeException e) { 144 Log.d(TAG, "Property '" + property + "' missing and no '" 145 + preference + "' preference"); 146 } 147 } 148 } 149 150 private void setStringSummary(String preference, String value) { 151 try { 152 findPreference(preference).setSummary(value); 153 } catch (RuntimeException e) { 154 findPreference(preference).setSummary( 155 getResources().getString(R.string.device_info_default)); 156 } 157 } 158 159 private void setValueSummary(String preference, String property) { 160 try { 161 findPreference(preference).setSummary( 162 SystemProperties.get(property, 163 getResources().getString(R.string.device_info_default))); 164 } catch (RuntimeException e) { 165 166 } 167 } 168 169 private String getFormattedKernelVersion() { 170 String procVersionStr; 171 172 try { 173 BufferedReader reader = new BufferedReader(new FileReader("/proc/version"), 256); 174 try { 175 procVersionStr = reader.readLine(); 176 } finally { 177 reader.close(); 178 } 179 180 final String PROC_VERSION_REGEX = 181 "\\w+\\s+" + /* ignore: Linux */ 182 "\\w+\\s+" + /* ignore: version */ 183 "([^\\s]+)\\s+" + /* group 1: 2.6.22-omap1 */ 184 "\\(([^\\s@]+(?:@[^\\s.]+)?)[^)]*\\)\\s+" + /* group 2: (xxxxxx (at) xxxxx.constant) */ 185 "\\((?:[^(]*\\([^)]*\\))?[^)]*\\)\\s+" + /* ignore: (gcc ..) */ 186 "([^\\s]+)\\s+" + /* group 3: #26 */ 187 "(?:PREEMPT\\s+)?" + /* ignore: PREEMPT (optional) */ 188 "(.+)"; /* group 4: date */ 189 190 Pattern p = Pattern.compile(PROC_VERSION_REGEX); 191 Matcher m = p.matcher(procVersionStr); 192 193 if (!m.matches()) { 194 Log.e(TAG, "Regex did not match on /proc/version: " + procVersionStr); 195 return "Unavailable"; 196 } else if (m.groupCount() < 4) { 197 Log.e(TAG, "Regex match on /proc/version only returned " + m.groupCount() 198 + " groups"); 199 return "Unavailable"; 200 } else { 201 return (new StringBuilder(m.group(1)).append("\n").append( 202 m.group(2)).append(" ").append(m.group(3)).append("\n") 203 .append(m.group(4))).toString(); 204 } 205 } catch (IOException e) { 206 Log.e(TAG, 207 "IO Exception when getting kernel version for Device Info screen", 208 e); 209 210 return "Unavailable"; 211 } 212 } 213 214 } 215