Add support androidX

android/build.gradle

@@ -30,5 +30,7 @@ repositories {
 }
 
 dependencies {
-  compile "com.facebook.react:react-native:+"  // From node_modules
+  implementation "com.facebook.react:react-native:+"  // From node_modules
+  implementation 'androidx.appcompat:appcompat:1.1.0-rc01'
+  implementation 'androidx.annotation:annotation:1.0.2'
 }

android/src/main/java/com/projectseptember/RNGL/GLCanvasManager.java

 package com.projectseptember.RNGL;
 
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 
 import com.facebook.imagepipeline.core.DefaultExecutorSupplier;
 import com.facebook.imagepipeline.core.ExecutorSupplier;

android/src/main/java/com/projectseptember/RNGL/GLImage.java

@@ -4,7 +4,7 @@ import android.content.Context;
 import android.graphics.Bitmap;
 import android.graphics.Matrix;
 import android.net.Uri;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 import android.util.Log;
 
 import com.facebook.common.references.CloseableReference;

example/android/gradle.properties

@@ -18,3 +18,5 @@
 # org.gradle.parallel=true
 
 android.useDeprecatedNdk=true
+android.useAndroidX=true
+android.enableJetifier=true
\ No newline at end of file