hardware: Clean up CMHW and AdvancedDisplay

 - Use CMSDK FileUtils
 - Simplify, yet harden checks
 - Use static final Strings
 - Remove unnecessary imports
 - Remove unnecessary Strings
 - Update copyright

Change-Id: Id2f0f2fdf5be7e2b29a3910a6aa56a3aad10868f

1 files changed, 5 insertions, 3 deletions

diff --git a/AdvancedDisplay/src/com/cyanogenmod/settings/device/mDNIeScenario.java b/AdvancedDisplay/src/com/cyanogenmod/settings/device/mDNIeScenario.java
index cbab69d..5d33fe9 100644
--- a/AdvancedDisplay/src/com/cyanogenmod/settings/device/mDNIeScenario.java
+++ b/AdvancedDisplay/src/com/cyanogenmod/settings/device/mDNIeScenario.java
@@ -25,6 +25,8 @@ import android.preference.ListPreference;
 import android.preference.Preference.OnPreferenceChangeListener;
 import android.preference.PreferenceManager;
 
+import org.cyanogenmod.internal.util.FileUtils;
+
 public class mDNIeScenario extends ListPreference implements OnPreferenceChangeListener {
 
     private static String FILE = null;
@@ -36,7 +38,7 @@ public class mDNIeScenario extends ListPreference implements OnPreferenceChangeL
     }
 
     public static boolean isSupported(String filePath) {
-        return Utils.fileExists(filePath);
+        return FileUtils.isFileWritable(filePath);
     }
 
     /**
@@ -50,11 +52,11 @@ public class mDNIeScenario extends ListPreference implements OnPreferenceChangeL
         }
 
         SharedPreferences sharedPrefs = PreferenceManager.getDefaultSharedPreferences(context);
-        Utils.writeValue(FILE, sharedPrefs.getString(DisplaySettings.KEY_MDNIE_SCENARIO, "0"));
+        FileUtils.writeLine(FILE, sharedPrefs.getString(DisplaySettings.KEY_MDNIE_SCENARIO, "0"));
     }
 
     public boolean onPreferenceChange(Preference preference, Object newValue) {
-        Utils.writeValue(FILE, (String) newValue);
+        FileUtils.writeLine(FILE, (String) newValue);
         return true;
     }