upgrade gradle and readme,add more comment

Author: maze1377

README.md

@@ -4,7 +4,7 @@ EditText and TextView with support for non editable prefix and image.
 ![Sample Screenshot](https://github.com/maze1377/android-prefix-edittext-textview/raw/master/screenshots/sample.png)
 
 #get more performance and low memory
-![Sample Details](https://github.com/maze1377/android-prefix-edittext-textview/raw/master/screenshots/details.jpn)
+![Sample Details](https://github.com/maze1377/android-prefix-edittext-textview/raw/master/screenshots/details.jpg)
 
 ## Howto?
 Either directly via xml:
@@ -57,5 +57,5 @@ Step 2. Add the dependency
  		implementation 'com.github.maze1377:android-prefix-edittext-textview:lastVerstion'
 	}
 ```
-current lastVerstion=1.0
+current lastVerstion=1.1.1
 

build.gradle

@@ -1,5 +1,5 @@
 buildscript {
-    ext.kotlin_version = '1.3.41'
+    ext.kotlin_version = '1.3.50'
     repositories {
         google()
         jcenter()

library/build.gradle

@@ -4,8 +4,8 @@ android {
     compileSdkVersion 29
     defaultConfig {
         minSdkVersion 17
-        versionCode 1
-        versionName "1.0.0"
+        versionCode 3
+        versionName "1.1.1"
     }
     buildTypes {
         release {

library/src/main/java/com/maze/prefix/PrefixDrawable.kt

@@ -12,15 +12,16 @@ import kotlin.properties.Delegates
 // It is a drawable for rendering text and image
 internal class PrefixDrawable(
         var paint: Paint,
-        val paddImage: Int = 5,
+        val paddImage: Int = 5,//todo change to dp 
         var lineBounds: Int = 0
 ) : Drawable() {
-
+    //save prefix txt
     var text: String by Delegates.observable("") { _, _: String?, _: String? ->
         // Tell it we need to be as big as we want to be!
         setBounds(0, 0, intrinsicWidth, intrinsicHeight)
         invalidateSelf()
     }
+    //save picture for draw
     var drawable: Drawable? by Delegates.observable(null) { _, _: Drawable?, _: Drawable? ->
         // Tell it we need to be as big as we want to be!
         setBounds(0, 0, intrinsicWidth, intrinsicHeight)
@@ -58,7 +59,7 @@ internal class PrefixDrawable(
 
     override fun getIntrinsicWidth(): Int {
         if (drawable !=null)
-            return paint.measureText(text).toInt() + intrinsicHeight + paddImage
+            return paint.measureText(text).toInt() + intrinsicHeight + paddImage //if drawable exit the width have to be biger
         else
             return paint.measureText(text).toInt()
     }

library/src/main/java/com/maze/prefix/PrefixEditText.kt

@@ -49,6 +49,7 @@ class PrefixEditText @JvmOverloads constructor(
             prefixDrawable.drawable = value
             updatePrefixDrawable()
         }
+
     // These are used to store details obtained from the EditText's rendering process
     private val firstLineBounds = Rect()
 
@@ -88,6 +89,7 @@ class PrefixEditText @JvmOverloads constructor(
         super.onDraw(c)
     }
 
+    
     private fun updatePrefixDrawable() {
         setCompoundDrawablesRelative(prefixDrawable, null, null, null)
     }

sample/src/main/java/com/maze/sample/MainActivity.kt

@@ -13,12 +13,12 @@ class MainActivity : AppCompatActivity() {
         setContentView(R.layout.activity_main)
 
         val drawable = ResourcesCompat.getDrawable(resources, R.drawable.boy, null)
-
+        
         val profile: PrefixTextView = findViewById(R.id.proflie)
 
-        profile.prefix="نام مستعار: "
-        profile.setHintTextColor(Color.BLUE) //change color
-        profile.drawable=drawable
+        profile.prefix="نام مستعار: "// set name
+        profile.setHintTextColor(Color.BLUE) //change color prefix
+        profile.drawable=drawable//set predrawable
 
     }
 }