fix crash below 4.4

Author: martin

imagepicker/build.gradle

@@ -10,8 +10,8 @@ android {
     defaultConfig {
         minSdkVersion rootProject.ext.minSdk
         targetSdkVersion rootProject.ext.targetSdk
-        versionCode 3
-        versionName "1.3.1"
+        versionCode 4
+        versionName "1.3.2"
     }
 
     buildTypes {

imagepicker/src/main/res/drawable-v21/bg_toolbar_spinner.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<ripple xmlns:android="http://schemas.android.com/apk/res/android"
+    android:color="@color/transparent_70_white">
+</ripple>

imagepicker/src/main/res/drawable/bg_toolbar_spinner.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-
-<ripple xmlns:android="http://schemas.android.com/apk/res/android"
-    android:color="@color/transparent_70_white">
-</ripple>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="@color/transparent_70_white" android:state_pressed="true"/>
+    <item android:drawable="@android:color/transparent"/>
+</selector>