diff --git a/.idea/misc.xml b/.idea/misc.xml
index e0d5b93..51fa3e5 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -5,7 +5,7 @@
     <option name="myDefaultNotNull" value="android.support.annotation.NonNull" />
     <option name="myNullables">
       <value>
-        <list size="7">
+        <list size="10">
           <item index="0" class="java.lang.String" itemvalue="org.jetbrains.annotations.Nullable" />
           <item index="1" class="java.lang.String" itemvalue="javax.annotation.Nullable" />
           <item index="2" class="java.lang.String" itemvalue="javax.annotation.CheckForNull" />
@@ -13,18 +13,24 @@
           <item index="4" class="java.lang.String" itemvalue="android.support.annotation.Nullable" />
           <item index="5" class="java.lang.String" itemvalue="androidx.annotation.Nullable" />
           <item index="6" class="java.lang.String" itemvalue="androidx.annotation.RecentlyNullable" />
+          <item index="7" class="java.lang.String" itemvalue="org.checkerframework.checker.nullness.qual.Nullable" />
+          <item index="8" class="java.lang.String" itemvalue="org.checkerframework.checker.nullness.compatqual.NullableDecl" />
+          <item index="9" class="java.lang.String" itemvalue="org.checkerframework.checker.nullness.compatqual.NullableType" />
         </list>
       </value>
     </option>
     <option name="myNotNulls">
       <value>
-        <list size="6">
+        <list size="9">
           <item index="0" class="java.lang.String" itemvalue="org.jetbrains.annotations.NotNull" />
           <item index="1" class="java.lang.String" itemvalue="javax.annotation.Nonnull" />
           <item index="2" class="java.lang.String" itemvalue="edu.umd.cs.findbugs.annotations.NonNull" />
           <item index="3" class="java.lang.String" itemvalue="android.support.annotation.NonNull" />
           <item index="4" class="java.lang.String" itemvalue="androidx.annotation.NonNull" />
           <item index="5" class="java.lang.String" itemvalue="androidx.annotation.RecentlyNonNull" />
+          <item index="6" class="java.lang.String" itemvalue="org.checkerframework.checker.nullness.qual.NonNull" />
+          <item index="7" class="java.lang.String" itemvalue="org.checkerframework.checker.nullness.compatqual.NonNullDecl" />
+          <item index="8" class="java.lang.String" itemvalue="org.checkerframework.checker.nullness.compatqual.NonNullType" />
         </list>
       </value>
     </option>
diff --git a/app/build.gradle b/app/build.gradle
index 302d4d4..62431a2 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -20,9 +20,10 @@ android {
 }
 
 dependencies {
+
     implementation fileTree(include: ['*.jar'], dir: 'libs')
-    implementation 'com.android.support:appcompat-v7:28.0.0'
-    implementation 'com.android.support.constraint:constraint-layout:1.1.3'
+    implementation 'androidx.appcompat:appcompat:1.0.2'
+    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
     testImplementation 'junit:junit:4.12'
     androidTestImplementation 'com.android.support.test:runner:1.0.2'
     androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
diff --git a/app/src/main/java/com/iammert/readablebottombar/MainActivity.kt b/app/src/main/java/com/iammert/readablebottombar/MainActivity.kt
index 9befd73..e4a39ec 100644
--- a/app/src/main/java/com/iammert/readablebottombar/MainActivity.kt
+++ b/app/src/main/java/com/iammert/readablebottombar/MainActivity.kt
@@ -1,7 +1,7 @@
 package com.iammert.readablebottombar
 
-import android.support.v7.app.AppCompatActivity
 import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
 import com.iammert.library.readablebottombar.ConfigurationXmlParser
 
 class MainActivity : AppCompatActivity() {
diff --git a/library/build.gradle b/library/build.gradle
index 7f2f9d8..f607a7d 100644
--- a/library/build.gradle
+++ b/library/build.gradle
@@ -28,7 +28,7 @@ android {
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
 
-    implementation 'com.android.support:appcompat-v7:28.0.0'
+    implementation 'androidx.appcompat:appcompat:1.0.2'
     testImplementation 'junit:junit:4.12'
     androidTestImplementation 'com.android.support.test:runner:1.0.2'
     androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
diff --git a/library/src/main/java/com/iammert/library/readablebottombar/BottomBarItem.kt b/library/src/main/java/com/iammert/library/readablebottombar/BottomBarItem.kt
index 37dd5d9..bb419c5 100644
--- a/library/src/main/java/com/iammert/library/readablebottombar/BottomBarItem.kt
+++ b/library/src/main/java/com/iammert/library/readablebottombar/BottomBarItem.kt
@@ -1,14 +1,14 @@
 package com.iammert.library.readablebottombar
 
 import android.graphics.drawable.Drawable
-import android.support.annotation.ColorInt
+import androidx.annotation.ColorInt
 import com.iammert.library.readablebottombar.ReadableBottomBar.ItemType
 
 data class BottomBarItem(
-    val index: Int,
-    val text: String,
-    val textSize: Float,
-    @ColorInt val textColor: Int,
-    val drawable: Drawable,
-    val type: ItemType
+        val index: Int,
+        val text: String,
+        val textSize: Float,
+        @ColorInt val textColor: Int,
+        val drawable: Drawable,
+        val type: ItemType
 )
\ No newline at end of file
diff --git a/library/src/main/java/com/iammert/library/readablebottombar/BottomBarItemView.kt b/library/src/main/java/com/iammert/library/readablebottombar/BottomBarItemView.kt
index 50c4682..43bb1f2 100644
--- a/library/src/main/java/com/iammert/library/readablebottombar/BottomBarItemView.kt
+++ b/library/src/main/java/com/iammert/library/readablebottombar/BottomBarItemView.kt
@@ -2,8 +2,6 @@ package com.iammert.library.readablebottombar
 
 import android.content.Context
 import android.graphics.drawable.Drawable
-import android.support.v7.widget.AppCompatImageView
-import android.support.v7.widget.AppCompatTextView
 import android.util.AttributeSet
 import android.view.LayoutInflater
 import android.view.View
@@ -11,6 +9,8 @@ import android.view.animation.AccelerateDecelerateInterpolator
 import android.view.animation.Animation
 import android.view.animation.TranslateAnimation
 import android.widget.FrameLayout
+import androidx.appcompat.widget.AppCompatImageView
+import androidx.appcompat.widget.AppCompatTextView
 import com.iammert.library.readablebottombar.ReadableBottomBar.Companion.ANIMATION_DURATION
 import com.iammert.library.readablebottombar.ReadableBottomBar.ItemType
 
diff --git a/library/src/main/java/com/iammert/library/readablebottombar/ConfigurationXmlParser.kt b/library/src/main/java/com/iammert/library/readablebottombar/ConfigurationXmlParser.kt
index 7db19ed..36d191b 100644
--- a/library/src/main/java/com/iammert/library/readablebottombar/ConfigurationXmlParser.kt
+++ b/library/src/main/java/com/iammert/library/readablebottombar/ConfigurationXmlParser.kt
@@ -3,7 +3,7 @@ package com.iammert.library.readablebottombar
 import android.content.Context
 import android.content.res.XmlResourceParser
 import android.graphics.drawable.Drawable
-import android.support.v4.content.ContextCompat
+import androidx.core.content.ContextCompat
 import org.xmlpull.v1.XmlPullParserException
 
 class ConfigurationXmlParser(private val context: Context, xmlRes: Int) {
diff --git a/library/src/main/java/com/iammert/library/readablebottombar/ReadableBottomBar.kt b/library/src/main/java/com/iammert/library/readablebottombar/ReadableBottomBar.kt
index dc7a185..51dd73e 100644
--- a/library/src/main/java/com/iammert/library/readablebottombar/ReadableBottomBar.kt
+++ b/library/src/main/java/com/iammert/library/readablebottombar/ReadableBottomBar.kt
@@ -7,6 +7,7 @@ import android.util.AttributeSet
 import android.view.View
 import android.view.ViewTreeObserver
 import android.widget.LinearLayout
+import java.util.ArrayList
 
 class ReadableBottomBar @JvmOverloads constructor(context: Context, attrs: AttributeSet? = null, defStyleAttr: Int = 0)
     : LinearLayout(context, attrs, defStyleAttr) {
@@ -27,6 +28,7 @@ class ReadableBottomBar @JvmOverloads constructor(context: Context, attrs: Attri
     }
 
     private val bottomBarItemList: List<BottomBarItem>
+    private val bottomBarViewItemList  =  ArrayList<BottomBarItemView>()
 
     private var tabInitialSelectedIndex = 0
     private var tabBackgroundColor: Int = Color.WHITE
@@ -75,12 +77,12 @@ class ReadableBottomBar @JvmOverloads constructor(context: Context, attrs: Attri
 
         bottomBarItemList = bottomBarItemConfigList.map { config ->
             BottomBarItem(
-                config.index,
-                config.text,
-                textSize,
-                textColor,
-                config.drawable,
-                activeItemType
+                    config.index,
+                    config.text,
+                    textSize,
+                    textColor,
+                    config.drawable,
+                    activeItemType
             )
         }
 
@@ -105,6 +107,12 @@ class ReadableBottomBar @JvmOverloads constructor(context: Context, attrs: Attri
         this.itemSelectListener = itemSelectListener
     }
 
+    fun setSelectedItem(position : Int){
+        getChildViewAt(position)?.callOnClick()
+    }
+
+    fun getChildViewAt(position : Int) = bottomBarViewItemList.getOrNull(position)
+
     private fun drawBottomBarItems() {
         val itemContainerLayout = LinearLayout(context).apply {
             layoutParams = LinearLayout.LayoutParams(layoutWidth.toInt(), layoutHeight.toInt())
@@ -138,7 +146,7 @@ class ReadableBottomBar @JvmOverloads constructor(context: Context, attrs: Attri
 
                 }
             }
-
+            bottomBarViewItemList.add(bottomBarItem)
             itemContainerLayout.addView(bottomBarItem)
 
             if (item.index == tabInitialSelectedIndex) {
diff --git a/library/src/main/res/layout/layout_bottombar_item.xml b/library/src/main/res/layout/layout_bottombar_item.xml
index b532bfd..217486d 100644
--- a/library/src/main/res/layout/layout_bottombar_item.xml
+++ b/library/src/main/res/layout/layout_bottombar_item.xml
@@ -3,14 +3,14 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
-    <android.support.v7.widget.AppCompatTextView
+    <androidx.appcompat.widget.AppCompatTextView
         android:id="@+id/textView"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:gravity="center"
         android:singleLine="true" />
 
-    <android.support.v7.widget.AppCompatImageView
+    <androidx.appcompat.widget.AppCompatImageView
         android:id="@+id/imageView"
         android:layout_width="match_parent"
         android:layout_height="match_parent"