Added missing string res for dialog builder

Author: AlexanderEggers

library/build.gradle

@@ -13,7 +13,7 @@ ext {
     siteUrl = 'https://github.com/Mordag/hitogo'
     gitUrl = 'https://github.com/Mordag/hitogo.git'
 
-    libraryVersion = '1.0.0-beta13'
+    libraryVersion = '1.0.0-beta13.1'
 
     developerId = 'mordag'
     developerName = 'Alexander Eggers'
@@ -34,7 +34,7 @@ android {
     defaultConfig {
         minSdkVersion 14
         targetSdkVersion 27
-        versionName "1.0.0-beta13"
+        versionName "1.0.0-beta13.1"
         consumerProguardFiles 'proguard-rules.pro'
     }
 

library/src/main/java/org/hitogo/alert/dialog/DialogAlertBuilder.java

@@ -2,6 +2,7 @@
 
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
+import android.support.annotation.StringRes;
 import android.support.annotation.StyleRes;
 
 import org.hitogo.button.core.Button;
@@ -74,6 +75,19 @@ public DialogAlertBuilder addButton(@NonNull String... buttonContent) {
         return this;
     }
 
+    @NonNull
+    public DialogAlertBuilder addButton(@StringRes int... buttonContent) {
+        for (int textRes : buttonContent) {
+            Button button = Hitogo.with(getContainer())
+                    .asActionButton()
+                    .forClickOnlyAction()
+                    .setText(textRes)
+                    .build();
+            super.addButton(button);
+        }
+        return this;
+    }
+
     @NonNull
     public DialogAlertBuilder setStyle(@Nullable @StyleRes Integer dialogThemeResId) {
         this.dialogThemeResId = dialogThemeResId;