Update README.md

Author: islamdidarmd

README.md

@@ -4,7 +4,7 @@ A lightweight library to show loading animation inside a button
 [![](https://jitpack.io/v/droidbond/LoadingButton.svg)](https://jitpack.io/v/droidbond/LoadingButton)
 
 ## Installation (with Gradle)
-Just add the dependency to your *build.gradle*:
+Add the dependency to your *build.gradle*:
 
 ```groovy
    repositories {
@@ -26,11 +26,19 @@ targetSdk 28
 
 ### How to use
 Inside xml layout
+Add this in your root layout. For adding customized attributes use `app` namespace
+```
+xmlns:app="http://schemas.android.com/apk/res-auto"
+ ```
 ```xml
     <com.didar.loadingbutton.LoadingButton
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:id="@+id/normal"
+            app:text="@string/continue_text"
+            app:textColor="@color/white"
+            app:progressColor="@color/black"
+            app:progressBarSize="small"
             app:layout_constraintTop_toTopOf="parent"
             app:layout_constraintStart_toStartOf="parent"
             android:layout_marginTop="28dp"