Trebuchet Settings: add setDisplayHomeAsUpEnabled

patch 3: cleaner imports

Change-Id: Ib7150bf248feb343042b1b8cc20775bae1d27279

1 files changed, 16 insertions, 0 deletions

diff --git a/src/com/cyanogenmod/trebuchet/preference/Preferences.java b/src/com/cyanogenmod/trebuchet/preference/Preferences.java
index 8b18e2a..45174e1 100644
--- a/src/com/cyanogenmod/trebuchet/preference/Preferences.java
+++ b/src/com/cyanogenmod/trebuchet/preference/Preferences.java
@@ -26,6 +26,7 @@ import android.preference.PreferenceFragment;
 import android.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.util.Log;
+import android.view.MenuItem;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -51,6 +52,21 @@ public class Preferences extends PreferenceActivity
         super.onCreate(savedInstanceState);
         mPreferences = getSharedPreferences(PreferencesProvider.PREFERENCES_KEY,
                 Context.MODE_PRIVATE);
+
+        getActionBar().setDisplayHomeAsUpEnabled(true);
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            case android.R.id.home:
+                onBackPressed();
+                finish();
+                return true;
+            default:
+                break;
+        }
+        return super.onOptionsItemSelected(item);
     }
 
     @Override