1 files changed, 26 insertions, 0 deletions
diff --git a/app/src/main/java/net/lacolaco/smileessence/view/preference/IntegerEditTextPreference.kt b/app/src/main/java/net/lacolaco/smileessence/view/preference/IntegerEditTextPreference.kt
new file mode 100644
index 00000000..e6a23696
--- /dev/null
+++ b/app/src/main/java/net/lacolaco/smileessence/view/preference/IntegerEditTextPreference.kt
@@ -0,0 +1,26 @@
+package net.lacolaco.smileessence.view.preference
+
+import android.annotation.TargetApi
+import android.content.Context
+import android.os.Build
+import android.preference.EditTextPreference
+import android.util.AttributeSet
+
+class IntegerEditTextPreference : EditTextPreference {
+    constructor(context: Context) : super(context)
+
+    @TargetApi(Build.VERSION_CODES.LOLLIPOP)
+    constructor(context: Context, attrs: AttributeSet, defStyleAttr: Int, defStyleRes: Int) : super(context, attrs, defStyleAttr, defStyleRes)
+
+    constructor(context: Context, attrs: AttributeSet, defStyleAttr: Int) : super(context, attrs, defStyleAttr)
+
+    constructor(context: Context, attrs: AttributeSet) : super(context, attrs)
+
+    override fun persistString(value: String): Boolean {
+        return persistInt(Integer.valueOf(value)!!)
+    }
+
+    override fun getPersistedString(defaultReturnValue: String?): String {
+        return getPersistedInt(-1).toString()
+    }
+}