updated to androidx support libs.

Author: JimSeker

OpenGL30CubeTextureView/app/build.gradle

@@ -20,5 +20,5 @@ android {
 
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
-    implementation 'com.android.support:appcompat-v7:28.0.0'
+    implementation 'androidx.appcompat:appcompat:1.0.2'
 }

OpenGL30CubeTextureView/app/src/main/java/edu/cs4730/opengl30cubetextureview/MainActivity.java

@@ -1,6 +1,6 @@
 package edu.cs4730.opengl30cubetextureview;
 
-import android.support.v7.app.AppCompatActivity;
+import androidx.appcompat.app.AppCompatActivity;
 import android.app.ActivityManager;
 import android.content.Context;
 import android.content.pm.ConfigurationInfo;

OpenGL30CubeTextureView/gradle.properties

@@ -15,4 +15,6 @@
 # When configured, Gradle will run in incubating parallel mode.
 # This option should only be used with decoupled projects. More details, visit
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
-# org.gradle.parallel=true
+# org.gradle.parallel=true
+android.enableJetifier=true
+android.useAndroidX=true