added: balloonColor

BalloonWindow/build.gradle

@@ -7,7 +7,7 @@ android {
 
 
     defaultConfig {
-        minSdkVersion 15
+        minSdkVersion 16
         targetSdkVersion 28
         versionCode 1
         versionName "1.0"

BalloonWindow/src/main/java/com/ht/balloonwindow/BalloonWindow.kt

@@ -1,6 +1,7 @@
 package com.ht.balloonwindow
 
 import android.content.Context
+import android.graphics.PorterDuff
 import android.graphics.drawable.ColorDrawable
 import android.support.constraint.ConstraintLayout
 import android.support.constraint.ConstraintSet
@@ -32,6 +33,8 @@ class BalloonWindow : PopupWindow {
     var paddingTop = 24.toPx()
     var paddingBottom = 24.toPx()
 
+    var balloonColor: Int? = null
+
     private var measuredContentsWidth: Int? = null
     private var measuredContentsHeight: Int? = null
 
@@ -145,6 +148,11 @@ class BalloonWindow : PopupWindow {
             LayoutInflater.from(context).inflate(R.layout.view_balloon, this, true)
             contentsLl.addView(view)
 
+            if (balloonColor != null) {
+                arrowTopIv.setColorFilter(balloonColor!!, PorterDuff.Mode.SRC_ATOP)
+                arrowRightIv.setColorFilter(balloonColor!!, PorterDuff.Mode.SRC_ATOP)
+                contentsLl.background.setColorFilter(balloonColor!!, PorterDuff.Mode.SRC_ATOP)
+            }
 
             val set = ConstraintSet()
             set.constrainWidth(R.id.arrowRightIv, ConstraintSet.WRAP_CONTENT)

BalloonWindow/src/main/res/layout/view_balloon.xml

@@ -1,8 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
-                                             android:id="@+id/rootCl"
-                                             android:layout_width="wrap_content"
-                                             android:layout_height="wrap_content">
+<merge xmlns:android="http://schemas.android.com/apk/res/android">
 
     <android.support.constraint.ConstraintLayout
             android:id="@+id/container"
@@ -31,4 +28,4 @@
                 android:src="@drawable/ic_balloon_arrow_top"/>
 
     </android.support.constraint.ConstraintLayout>
-</android.support.constraint.ConstraintLayout>
+</merge>

app/build.gradle

@@ -8,7 +8,7 @@ android {
     compileSdkVersion 28
     defaultConfig {
         applicationId "com.ht.example.balloonwindow"
-        minSdkVersion 15
+        minSdkVersion 16
         targetSdkVersion 28
         versionCode 1
         versionName "1.0"

app/src/main/java/com/ht/example/balloonwindow/MainActivity.kt

@@ -1,7 +1,9 @@
 package com.ht.example.balloonwindow
 
+import android.graphics.Color
 import android.support.v7.app.AppCompatActivity
 import android.os.Bundle
+import android.support.v4.content.ContextCompat
 import android.widget.TextView
 import com.ht.balloonwindow.BalloonWindow
 import kotlinx.android.synthetic.main.activity_main.*
@@ -14,20 +16,22 @@ class MainActivity : AppCompatActivity() {
 
         aboveBtn.setOnClickListener {
             val view = TextView(this)
-            view.text = "position:above\noffset:-35"
+            view.text = "position:above\noffset:-35\nballoonColor: #F79b00"
 
             val window = BalloonWindow(this, targetView, BalloonWindow.Position.above)
+            window.balloonColor = Color.parseColor("#f79b00")
             window.offset = -35
             window.show(view)
 
         }
         belowBtn.setOnClickListener {
             val view = TextView(this)
-            view.text = "position:below\noffset:55\nmargin:25"
+            view.text = "position:below\noffset:55\nmargin:25\nballoonColor: #f1f1f1"
 
             val window = BalloonWindow(this, targetView, BalloonWindow.Position.below)
             window.offset = 55
             window.margin = 25
+            window.balloonColor = Color.parseColor("#f1f1f1")
             window.show(view)
         }
         rightBtn.setOnClickListener {