commit 41109da54c33b145f23c3754802b18878b66e032
Author: Erik C. Thauvin <erik@thauvin.net>
Date:   Mon Aug 22 21:36:01 2016 -0700

diff --git a/Preferences.kt b/Preferences.kt
new file mode 100644
index 0000000..2767554
--- /dev/null
+++ b/Preferences.kt
@@ -0,0 +1,38 @@
+import android.content.Context
+import android.content.SharedPreferences
+import android.preference.PreferenceManager
+
+fun Context.getDefaultSharedPreferences(): SharedPreferences {
+    return PreferenceManager.getDefaultSharedPreferences(this)
+}
+
+fun SharedPreferences.clear() {
+    edit().clear().apply()
+}
+
+fun SharedPreferences.put(key: String, value: Any) {
+    when (value) {
+        is String -> edit().putString(key, value).apply()
+        is Float -> edit().putFloat(key, value).apply()
+        is Int -> edit().putInt(key, value).apply()
+        is Boolean -> edit().putBoolean(key, value).apply()
+        is Long -> edit().putLong(key, value).apply()
+        is Set<*> -> {
+            if (value.all { it is String }) {
+                edit().putStringSet(key, value as Set<String>)
+            }
+        }
+    }
+}
+
+fun SharedPreferences.put(vararg pairs: Pair<String, String>) {
+    edit().apply {
+        pairs.forEach {
+            putString(it.first, it.second)
+        }
+    }.apply()
+}
+
+fun SharedPreferences.remove(key: String) {
+    edit().remove(key).apply()
+}
\ No newline at end of file