From 49851ac32a2ec771ca9eb248c3819dbe33555c77 Mon Sep 17 00:00:00 2001
From: Jason Monk <jmonk@google.com>
Date: Mon, 11 May 2015 16:58:34 -0400
Subject: [PATCH] Add SystemUI Tuner Control

Change-Id: I321c3263612c752409beb46f4c96826954b96e26
---
 res/values/strings.xml                        |  3 +++
 res/xml/development_prefs.xml                 |  5 ++++
 .../android/settings/DevelopmentSettings.java | 27 +++++++++++++++++++
 3 files changed, 35 insertions(+)

diff --git a/res/values/strings.xml b/res/values/strings.xml
index 242177a39bb..5a450c591e2 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -6585,4 +6585,7 @@
     <!-- Link to an apps notification settings [CHAR LIMIT=50] -->
     <string name="app_notification_preferences">App notification preferences</string>
 
+    <!-- Turn on settings for system ui tuner [CHAR LIMIT=40] -->
+    <string name="system_ui_settings">Show SystemUI Tuner</string>
+
 </resources>
diff --git a/res/xml/development_prefs.xml b/res/xml/development_prefs.xml
index ecab7009b0a..7ab44ca9b62 100644
--- a/res/xml/development_prefs.xml
+++ b/res/xml/development_prefs.xml
@@ -60,6 +60,11 @@
         android:summary="@string/runningservices_settings_summary"
         android:fragment="com.android.settings.applications.RunningServices" />
 
+    <SwitchPreference
+        android:key="tweak_ui"
+        android:persistent="false"
+        android:title="@string/system_ui_settings" />
+
     <PreferenceCategory android:key="debug_debugging_category"
             android:title="@string/debug_debugging_category">
 
diff --git a/src/com/android/settings/DevelopmentSettings.java b/src/com/android/settings/DevelopmentSettings.java
index 3c964c9da5d..4d89bf5536d 100644
--- a/src/com/android/settings/DevelopmentSettings.java
+++ b/src/com/android/settings/DevelopmentSettings.java
@@ -97,6 +97,9 @@ public class DevelopmentSettings extends SettingsPreferenceFragment
      */
     public static final String PREF_SHOW = "show";
 
+    private static final ComponentName SYSUI_TWEAK = new ComponentName("com.android.systemui",
+            "com.android.systemui.tuner.TunerActivity");
+
     private static final String ENABLE_ADB = "enable_adb";
     private static final String CLEAR_ADB_KEYS = "clear_adb_keys";
     private static final String ENABLE_TERMINAL = "enable_terminal";
@@ -112,6 +115,7 @@ public class DevelopmentSettings extends SettingsPreferenceFragment
     private static final String BUGREPORT = "bugreport";
     private static final String BUGREPORT_IN_POWER_KEY = "bugreport_in_power";
     private static final String OPENGL_TRACES_PROPERTY = "debug.egl.trace";
+    private static final String TWEAK_UI_KEY = "tweak_ui";
 
     private static final String DEBUG_APP_KEY = "debug_app";
     private static final String WAIT_FOR_DEBUGGER_KEY = "wait_for_debugger";
@@ -260,6 +264,8 @@ public class DevelopmentSettings extends SettingsPreferenceFragment
     private Dialog mAdbKeysDialog;
     private boolean mUnavailable;
 
+    private SwitchPreference mTweakUiPref;
+
     @Override
     protected int getMetricsCategory() {
         return MetricsLogger.DEVELOPMENT;
@@ -392,6 +398,8 @@ public class DevelopmentSettings extends SettingsPreferenceFragment
         mAllPrefs.add(mShowAllANRs);
         mResetSwitchPrefs.add(mShowAllANRs);
 
+        mTweakUiPref = findAndInitSwitchPref(TWEAK_UI_KEY);
+
         Preference hdcpChecking = findPreference(HDCP_CHECKING_KEY);
         if (hdcpChecking != null) {
             mAllPrefs.add(hdcpChecking);
@@ -593,6 +601,7 @@ public class DevelopmentSettings extends SettingsPreferenceFragment
         updateSimulateColorSpace();
         updateUseNuplayerOptions();
         updateUSBAudioOptions();
+        updateTweakUi();
     }
 
     private void resetDangerousOptions() {
@@ -1069,6 +1078,21 @@ public class DevelopmentSettings extends SettingsPreferenceFragment
         }
     }
 
+    private void updateTweakUi() {
+        updateSwitchPreference(mTweakUiPref, getActivity().getPackageManager()
+                .getComponentEnabledSetting(SYSUI_TWEAK)
+                == PackageManager.COMPONENT_ENABLED_STATE_ENABLED);
+        mTweakUiPref.setOnPreferenceChangeListener(this);
+    }
+
+    private void writeTweakUi(Object newValue) {
+        Boolean enabled = (Boolean) newValue;
+        getActivity().getPackageManager().setComponentEnabledSetting(SYSUI_TWEAK,
+                enabled ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED
+                        : PackageManager.COMPONENT_ENABLED_STATE_DISABLED,
+                        PackageManager.DONT_KILL_APP);
+    }
+
     private void updateUseNuplayerOptions() {
         updateSwitchPreference(
                 mUseAwesomePlayer, SystemProperties.getBoolean(USE_AWESOMEPLAYER_PROPERTY, false));
@@ -1669,6 +1693,9 @@ public class DevelopmentSettings extends SettingsPreferenceFragment
         } else if (preference == mSimulateColorSpace) {
             writeSimulateColorSpace(newValue);
             return true;
+        } else if (preference == mTweakUiPref) {
+            writeTweakUi(newValue);
+            return true;
         }
         return false;
     }