Made expand and collapse public

Author: Stjin

expandablecardview/build.gradle

@@ -5,7 +5,7 @@ apply plugin: 'kotlin-android-extensions'
 ext {
     PUBLISH_GROUP_ID = 'host.stjin'
     PUBLISH_ARTIFACT_ID = 'expandable-cardview'
-    PUBLISH_VERSION = '1.2.0-beta02'
+    PUBLISH_VERSION = '1.2.0-beta03'
 }
 
 android {
@@ -14,7 +14,7 @@ android {
     defaultConfig {
         minSdkVersion 18
         targetSdkVersion 29
-        versionCode 7
+        versionCode 8
         versionName PUBLISH_VERSION
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"

expandablecardview/src/main/java/host/stjin/expandablecardview/ExpandableCardView.kt

@@ -5,7 +5,6 @@ import android.content.Context
 import android.content.res.TypedArray
 import android.graphics.Typeface
 import android.graphics.drawable.Drawable
-import android.os.Build
 import android.text.TextUtils
 import android.util.AttributeSet
 import android.view.LayoutInflater
@@ -178,7 +177,7 @@ class ExpandableCardView @JvmOverloads constructor(context: Context, attrs: Attr
 
     }
 
-    private fun expand() {
+    fun expand() {
         val initialHeight = card_layout.height
         if (!isMoving) {
             previousHeight = initialHeight
@@ -228,7 +227,7 @@ class ExpandableCardView @JvmOverloads constructor(context: Context, attrs: Attr
         return totalHeight
     }
 
-    private fun collapse() {
+    fun collapse() {
         val initialHeight = card_layout.measuredHeight
         if (initialHeight - previousHeight != 0) {
             animateViews(initialHeight,