Settings: Add Updater and Changelog

Change-Id: I8cf09962d9ba667bcdba78d7214fd6b5bb0feedc

1 files changed, 28 insertions, 3 deletions

diff --git a/src/com/android/settings/DeviceInfoSettings.java b/src/com/android/settings/DeviceInfoSettings.java
index 4d2ad17..76235ba 100644
--- a/src/com/android/settings/DeviceInfoSettings.java
+++ b/src/com/android/settings/DeviceInfoSettings.java
@@ -19,6 +19,7 @@ package com.android.settings;
 import android.app.Activity;
 import android.content.Context;
 import android.content.Intent;
+import android.content.pm.PackageManager.NameNotFoundException;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.SELinux;
@@ -32,10 +33,8 @@ import android.util.Log;
 import android.widget.Toast;
 
 import java.io.BufferedReader;
-import java.io.FileInputStream;
 import java.io.FileReader;
 import java.io.IOException;
-import java.io.InputStreamReader;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -71,9 +70,9 @@ public class DeviceInfoSettings extends SettingsPreferenceFragment {
     private static final String KEY_MOD_BUILD_DATE = "build_date";
     private static final String KEY_DEVICE_CPU = "device_cpu";
     private static final String KEY_DEVICE_MEMORY = "device_memory";
+    private static final String KEY_CM_UPDATES = "cm_updates";
 
     static final int TAPS_TO_BE_A_DEVELOPER = 7;
-
     long[] mHits = new long[3];
     int mDevHitCountdown;
     Toast mDevHitToast;
@@ -94,6 +93,7 @@ public class DeviceInfoSettings extends SettingsPreferenceFragment {
         findPreference(KEY_BUILD_NUMBER).setEnabled(true);
         findPreference(KEY_KERNEL_VERSION).setSummary(getFormattedKernelVersion());
         setValueSummary(KEY_MOD_VERSION, "ro.cm.version");
+        findPreference(KEY_MOD_VERSION).setEnabled(true);
         setValueSummary(KEY_MOD_BUILD_DATE, "ro.build.date");
 
         if (!SELinux.isSELinuxEnabled()) {
@@ -111,6 +111,13 @@ public class DeviceInfoSettings extends SettingsPreferenceFragment {
         String cpuInfo = getCPUInfo();
         String memInfo = getMemInfo();
 
+        // Only the owner should see the Updater settings, if it exists
+        if (UserHandle.myUserId() == UserHandle.USER_OWNER) {
+            removePreferenceIfPackageNotInstalled(findPreference(KEY_CM_UPDATES));
+        } else {
+            getPreferenceScreen().removePreference(findPreference(KEY_CM_UPDATES));
+        }
+
         if (cpuInfo != null) {
             setStringSummary(KEY_DEVICE_CPU, cpuInfo);
         } else {
@@ -390,4 +397,22 @@ public class DeviceInfoSettings extends SettingsPreferenceFragment {
 
         return result;
     }
+
+    private boolean removePreferenceIfPackageNotInstalled(Preference preference) {
+        String intentUri=((PreferenceScreen) preference).getIntent().toUri(1);
+        Pattern pattern = Pattern.compile("component=([^/]+)/");
+        Matcher matcher = pattern.matcher(intentUri);
+
+        String packageName=matcher.find()?matcher.group(1):null;
+        if(packageName != null) {
+            try {
+                getPackageManager().getPackageInfo(packageName, 0);
+            } catch (NameNotFoundException e) {
+                Log.e(LOG_TAG,"package "+packageName+" not installed, hiding preference.");
+                getPreferenceScreen().removePreference(preference);
+                return true;
+            }
+        }
+        return false;
+    }
 }