Remove KEY_ALARM_IN_SILENT_MODE code.

Bug: 18415395
Change-Id: I1fde49d8e0de9b6026e3572f2bedef880e84bacc

src/com/android/deskclock/SettingsActivity.java

@@ -25,8 +25,6 @@ import android.preference.CheckBoxPreference;
 import android.preference.ListPreference;
 import android.preference.Preference;
 import android.preference.PreferenceActivity;
-import android.preference.PreferenceScreen;
-import android.provider.Settings;
 import android.text.format.DateUtils;
 import android.view.Menu;
 import android.view.MenuItem;
@@ -44,11 +42,6 @@ import java.util.TimeZone;
 public class SettingsActivity extends PreferenceActivity
         implements Preference.OnPreferenceChangeListener {
 
-    private static final int ALARM_STREAM_TYPE_BIT =
-            1 << AudioManager.STREAM_ALARM;
-
-    public static final String KEY_ALARM_IN_SILENT_MODE =
-            "alarm_in_silent_mode";
     public static final String KEY_ALARM_SNOOZE =
             "snooze_duration";
     public static final String KEY_VOLUME_BEHAVIOR =
@@ -119,7 +112,6 @@ public class SettingsActivity extends PreferenceActivity
         return super.onOptionsItemSelected(item);
     }
 
-
     @Override
     public boolean onCreateOptionsMenu (Menu menu) {
         getMenuInflater().inflate(R.menu.settings_menu, menu);
@@ -130,31 +122,6 @@ public class SettingsActivity extends PreferenceActivity
         return super.onCreateOptionsMenu(menu);
     }
 
-    @Override
-    public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen,
-            Preference preference) {
-        if (KEY_ALARM_IN_SILENT_MODE.equals(preference.getKey())) {
-            CheckBoxPreference pref = (CheckBoxPreference) preference;
-            int ringerModeStreamTypes = Settings.System.getInt(
-                    getContentResolver(),
-                    Settings.System.MODE_RINGER_STREAMS_AFFECTED, 0);
-
-            if (pref.isChecked()) {
-                ringerModeStreamTypes &= ~ALARM_STREAM_TYPE_BIT;
-            } else {
-                ringerModeStreamTypes |= ALARM_STREAM_TYPE_BIT;
-            }
-
-            Settings.System.putInt(getContentResolver(),
-                    Settings.System.MODE_RINGER_STREAMS_AFFECTED,
-                    ringerModeStreamTypes);
-
-            return true;
-        }
-
-        return super.onPreferenceTreeClick(preferenceScreen, preference);
-    }
-
     @Override
     public boolean onPreferenceChange(Preference pref, Object newValue) {
         if (KEY_AUTO_SILENCE.equals(pref.getKey())) {