trinhduyhung · October 1, 2016 11:07 · Jun 29, 2013
diff --git a/AutoSummaryListPreference b/AutoSummaryListPreference
@@ -0,0 +1,44 @@
+package com.your.package;
+
+import android.content.Context;
+import android.preference.ListPreference;
+import android.util.AttributeSet;
+
+/**
+ * Created by Rafa Vázquez on 29/06/13.
+ *
+ * ListPreference item that shows its selected value as summary.
+ * Use in the XML just like the normal ListPreference.
+ *
+ * License:
+ * -------------------------------------------------
+ * This program is free software. It comes without any warranty, to
+ * the extent permitted by applicable law. You can redistribute it
+ * and/or modify it under the terms of the Do What The Fuck You Want
+ * To Public License, Version 2, as published by Sam Hocevar. See
+ * http://sam.zoy.org/wtfpl/COPYING for more details.
+ */
+public class AutoSummaryListPreference extends ListPreference {
+
+    public AutoSummaryListPreference(Context context) {
+        this(context, null);
+    }
+
+    public AutoSummaryListPreference(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    @Override
+    protected void onDialogClosed(boolean positiveResult) {
+        super.onDialogClosed(positiveResult);
+        if (positiveResult) {
+            setSummary(getSummary());
+        }
+    }
+
+    @Override
+    public CharSequence getSummary() {
+        int pos = findIndexOfValue(getValue());
+        return getEntries()[pos];
+    }
+}