Update README.md

Author: islamdidarmd

README.md

@@ -4,25 +4,24 @@ 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)
-Add the dependency to your *build.gradle*:
-
+Add the dependency to your root *build.gradle*:
 ```groovy
    repositories {
         jcenter()
         maven { url "https://jitpack.io" }
    }
+   ```
+Now add this dependency in your module *build.gradle*
+```groovy
    dependencies {
-         implementation 'com.github.droidbond:LoadingButton:0.1.4'
+         implementation 'com.github.droidbond:LoadingButton:0.1.5'
    }
 ```
-```
-minSdk 15
-targetSdk 28
-```
 
 ### Demo
   <img src="https://github.com/droidbond/LoadingButton/blob/master/device-2018-11-22-155730.png" width="250">
   <img src="https://github.com/droidbond/LoadingButton/blob/master/device-2018-11-22-155750.png" width="250">
+  <img src="https://github.com/droidbond/LoadingButton/blob/master/device-2018-11-26-120750.png" width="250">
 
 ### How to use
 For using custom attributes use `app` namespace
@@ -62,6 +61,9 @@ xmlns:app="http://schemas.android.com/apk/res-auto"
             <enum name="small" value="18"/>
         </attr>
 ```
+```java
+LoadingButton custombtn = findViewById(R.id.custombtn);
+```
 ### Show Loading
 ```java
 custombtn.showLoading()
@@ -70,5 +72,13 @@ custombtn.showLoading()
 ```java
 custombtn.hideLoading()
 ```
+### Show Success
+```java
+custombtn.showSuccess()
+```
+### Show Error
+```java
+custombtn.showError()
+```
 
 For a complete example see the sample app https://github.com/droidbond/LoadingButton/tree/master/app