setBackgroundAlpha method added. Then you can change the textView background opacity

Author: sadirbaev

README.md

@@ -1,3 +1,4 @@
+ [![](https://jitpack.io/v/qarakenbacho/WaterTextView.svg)](https://jitpack.io/#qarakenbacho/WaterTextView)
 # WaterTextView
 **Step 1.** Add the JitPack repository to your build file
 Add it in your root build.gradle at the end of repositories:
@@ -15,8 +16,41 @@ dependencies {
   implementation 'com.github.qarakenbacho:WaterTextView:1.0'
 }
  ```
- 
- 
- 
- 
- [![](https://jitpack.io/v/qarakenbacho/WaterTextView.svg)](https://jitpack.io/#qarakenbacho/WaterTextView)
+**Usage**
+**activity_main.xml**
+```
+<RelativeLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:padding="20dp"
+    tools:context=".MainActivity">
+    
+    <!--This is a basic part. layout width must be match_parent-->
+    <uz.sadirbaev.waterbackground.WaterTextView
+        android:layout_width="match_parent" 
+        android:layout_height="wrap_content"
+        android:textSize="30sp"
+        android:id="@+id/tv30"
+        android:layout_marginBottom="20dp"/>
+
+</RelativeLayout>
+```
+**MainActivity.class**
+```
+@Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+        WaterTextView textView = findViewById(R.id.tv30);
+        String s = "Welcome to Water Background.";
+        textView.setText(s);
+    }
+```
+<p align="center">
+  <img src="https://github.com/qarakenbacho/WaterTextView/blob/master/screenshots/photo_2018-05-14_19-52-21.jpg" width="200"/>
+</p>
+
+
+