Settings: Add screen color settings

Add "Screen Color" item in settings.
This function support set Hue, Saturation, Contrast and Intensity value,
and screen color will be changed by this settings.

Change-Id: If6f6e7ee7f28862476a8b955cd3252175fefa2a1

Settings : Fix CustomScreenColor when picking an image

Change-Id: I510b562eb0e9fb9b558380db5c5d6e818ba17d12

Settings: Start service as explicit intent

Needed for API level 21. Add some ressource bits, set text color to
white.

Change-Id: I9c4a9139be69fa5c6d6c74055b5475f0d930c93a

1 files changed, 20 insertions, 0 deletions

diff --git a/src/com/android/settings/DisplaySettings.java b/src/com/android/settings/DisplaySettings.java
index 2f429da..6bc46cb 100644
--- a/src/com/android/settings/DisplaySettings.java
+++ b/src/com/android/settings/DisplaySettings.java
@@ -38,6 +38,8 @@ import android.app.UiModeManager;
 import android.app.admin.DevicePolicyManager;
 import android.content.ContentResolver;
 import android.content.Context;
+import android.content.pm.PackageManager;
+import android.content.pm.PackageManager.NameNotFoundException;
 import android.content.res.Configuration;
 import android.content.res.Resources;
 import android.content.SharedPreferences;
@@ -101,11 +103,13 @@ public class DisplaySettings extends SettingsPreferenceFragment implements
     private static final String CATEGORY_ADVANCED = "advanced_display_prefs";
     private static final String KEY_DISPLAY_COLOR = "color_calibration";
     private static final String KEY_DISPLAY_GAMMA = "gamma_tuning";
+    private static final String KEY_SCREEN_COLOR_SETTINGS = "screencolor_settings";
 
     private static final int DLG_GLOBAL_CHANGE_WARNING = 1;
 
     private FontDialogPreference mFontSizePref;
     private PreferenceScreen mDisplayRotationPreference;
+    private PreferenceScreen mScreenColorSettings;
 
     private final Configuration mCurConfig = new Configuration();
 
@@ -253,6 +257,11 @@ public class DisplaySettings extends SettingsPreferenceFragment implements
 
         mWakeWhenPluggedOrUnplugged =
                 (SwitchPreference) findPreference(KEY_WAKE_WHEN_PLUGGED_OR_UNPLUGGED);
+
+        mScreenColorSettings = (PreferenceScreen) findPreference(KEY_SCREEN_COLOR_SETTINGS);
+        if (!isPostProcessingSupported()) {
+            getPreferenceScreen().removePreference(mScreenColorSettings);
+        }
     }
 
     private static boolean allowAllRotations(Context context) {
@@ -675,6 +684,17 @@ public class DisplaySettings extends SettingsPreferenceFragment implements
         }
     }
 
+    private boolean isPostProcessingSupported() {
+        boolean ret = true;
+        final PackageManager pm = getPackageManager();
+        try {
+            pm.getPackageInfo("com.qualcomm.display", PackageManager.GET_META_DATA);
+        } catch (NameNotFoundException e) {
+            ret = false;
+        }
+        return ret;
+    }
+
     private static boolean isAdaptiveBacklightSupported() {
         try {
             return AdaptiveBacklight.isSupported();