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/*
* Copyright (C) 2008 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.
*/
package com.android.settings;
import android.app.Activity;
import android.content.ComponentName;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.os.Build;
import android.os.Bundle;
import android.os.SystemClock;
import android.os.SystemProperties;
import android.preference.Preference;
import android.preference.PreferenceGroup;
import android.preference.PreferenceScreen;
import android.provider.Settings;
import android.util.Log;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class DeviceInfoSettings extends SettingsPreferenceFragment {
private static final String LOG_TAG = "DeviceInfoSettings";
private static final String KEY_CONTAINER = "container";
private static final String KEY_TEAM = "team";
private static final String KEY_CONTRIBUTORS = "contributors";
private static final String KEY_TERMS = "terms";
private static final String KEY_LICENSE = "license";
private static final String KEY_COPYRIGHT = "copyright";
private static final String KEY_SYSTEM_UPDATE_SETTINGS = "system_update_settings";
private static final String PROPERTY_URL_SAFETYLEGAL = "ro.url.safetylegal";
private static final String KEY_KERNEL_VERSION = "kernel_version";
private static final String KEY_BUILD_NUMBER = "build_number";
private static final String KEY_DEVICE_MODEL = "device_model";
private static final String KEY_BASEBAND_VERSION = "baseband_version";
private static final String KEY_FIRMWARE_VERSION = "firmware_version";
long[] mHits = new long[3];
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
addPreferencesFromResource(R.xml.device_info_settings);
// If we don't have an IME tutorial, remove that option
String currentIme = Settings.Secure.getString(getContentResolver(),
Settings.Secure.DEFAULT_INPUT_METHOD);
ComponentName component = ComponentName.unflattenFromString(currentIme);
Intent imeIntent = new Intent(component.getPackageName() + ".tutorial");
PackageManager pm = getPackageManager();
List<ResolveInfo> tutorials = pm.queryIntentActivities(imeIntent, 0);
if(tutorials == null || tutorials.isEmpty()) {
getPreferenceScreen().removePreference(findPreference("system_tutorial"));
}
setStringSummary(KEY_FIRMWARE_VERSION, Build.VERSION.RELEASE);
findPreference(KEY_FIRMWARE_VERSION).setEnabled(true);
setValueSummary(KEY_BASEBAND_VERSION, "gsm.version.baseband");
setStringSummary(KEY_DEVICE_MODEL, Build.MODEL);
setStringSummary(KEY_BUILD_NUMBER, Build.DISPLAY);
findPreference(KEY_KERNEL_VERSION).setSummary(getFormattedKernelVersion());
// Remove Safety information preference if PROPERTY_URL_SAFETYLEGAL is not set
removePreferenceIfPropertyMissing(getPreferenceScreen(), "safetylegal",
PROPERTY_URL_SAFETYLEGAL);
// Remove Baseband version if wifi-only device
if (Utils.isWifiOnly()) {
getPreferenceScreen().removePreference(findPreference(KEY_BASEBAND_VERSION));
}
/*
* Settings is a generic app and should not contain any device-specific
* info.
*/
final Activity act = getActivity();
// These are contained in the "container" preference group
PreferenceGroup parentPreference = (PreferenceGroup) findPreference(KEY_CONTAINER);
Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference, KEY_TERMS,
Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY);
Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference, KEY_LICENSE,
Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY);
Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference, KEY_COPYRIGHT,
Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY);
Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference, KEY_TEAM,
Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY);
// These are contained by the root preference screen
parentPreference = getPreferenceScreen();
Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference,
KEY_SYSTEM_UPDATE_SETTINGS,
Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY);
Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference, KEY_CONTRIBUTORS,
Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY);
}
@Override
public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
if (preference.getKey().equals(KEY_FIRMWARE_VERSION)) {
System.arraycopy(mHits, 1, mHits, 0, mHits.length-1);
mHits[mHits.length-1] = SystemClock.uptimeMillis();
if (mHits[0] >= (SystemClock.uptimeMillis()-500)) {
Intent intent = new Intent(Intent.ACTION_MAIN);
intent.setClassName("android",
com.android.internal.app.PlatLogoActivity.class.getName());
try {
startActivity(intent);
} catch (Exception e) {
Log.e(LOG_TAG, "Unable to start activity " + intent.toString());
}
}
}
return super.onPreferenceTreeClick(preferenceScreen, preference);
}
private void removePreferenceIfPropertyMissing(PreferenceGroup preferenceGroup,
String preference, String property ) {
if (SystemProperties.get(property).equals(""))
{
// Property is missing so remove preference from group
try {
preferenceGroup.removePreference(findPreference(preference));
} catch (RuntimeException e) {
Log.d(LOG_TAG, "Property '" + property + "' missing and no '"
+ preference + "' preference");
}
}
}
private void setStringSummary(String preference, String value) {
try {
findPreference(preference).setSummary(value);
} catch (RuntimeException e) {
findPreference(preference).setSummary(
getResources().getString(R.string.device_info_default));
}
}
private void setValueSummary(String preference, String property) {
try {
findPreference(preference).setSummary(
SystemProperties.get(property,
getResources().getString(R.string.device_info_default)));
} catch (RuntimeException e) {
// No recovery
}
}
private String getFormattedKernelVersion() {
String procVersionStr;
try {
BufferedReader reader = new BufferedReader(new FileReader("/proc/version"), 256);
try {
procVersionStr = reader.readLine();
} finally {
reader.close();
}
final String PROC_VERSION_REGEX =
"\\w+\\s+" + /* ignore: Linux */
"\\w+\\s+" + /* ignore: version */
"([^\\s]+)\\s+" + /* group 1: 2.6.22-omap1 */
"\\(([^\\s@]+(?:@[^\\s.]+)?)[^)]*\\)\\s+" + /* group 2: (xxxxxx@xxxxx.constant) */
"\\((?:[^(]*\\([^)]*\\))?[^)]*\\)\\s+" + /* ignore: (gcc ..) */
"([^\\s]+)\\s+" + /* group 3: #26 */
"(?:PREEMPT\\s+)?" + /* ignore: PREEMPT (optional) */
"(.+)"; /* group 4: date */
Pattern p = Pattern.compile(PROC_VERSION_REGEX);
Matcher m = p.matcher(procVersionStr);
if (!m.matches()) {
Log.e(LOG_TAG, "Regex did not match on /proc/version: " + procVersionStr);
return "Unavailable";
} else if (m.groupCount() < 4) {
Log.e(LOG_TAG, "Regex match on /proc/version only returned " + m.groupCount()
+ " groups");
return "Unavailable";
} else {
return (new StringBuilder(m.group(1)).append("\n").append(
m.group(2)).append(" ").append(m.group(3)).append("\n")
.append(m.group(4))).toString();
}
} catch (IOException e) {
Log.e(LOG_TAG,
"IO Exception when getting kernel version for Device Info screen",
e);
return "Unavailable";
}
}
}
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