fix crash below api 16

Author: ChillingVan

README-en.md

@@ -43,7 +43,7 @@ allprojects {
 
 // module build.gradle
 dependencies {
-    implementation 'com.github.ChillingVan:android-openGL-canvas:v1.4.1.0'
+    implementation 'com.github.ChillingVan:android-openGL-canvas:v1.4.1.1'
 }
 ```
 

README.md

@@ -48,7 +48,7 @@ allprojects {
 
 // module build.gradle
 dependencies {
-    implementation 'com.github.ChillingVan:android-openGL-canvas:v1.4.1.0'
+    implementation 'com.github.ChillingVan:android-openGL-canvas:v1.4.1.1'
 }
 ```
 

canvasgl/build.gradle

@@ -28,8 +28,8 @@ android {
     defaultConfig {
         minSdkVersion 14
         targetSdkVersion 27
-        versionCode 104010
-        versionName "1.4.1.0"
+        versionCode 104011
+        versionName "1.4.1.1"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }
     buildTypes {

canvasgl/src/main/java/com/chillingvan/canvasgl/glview/GLView.java

@@ -59,7 +59,11 @@ public GLView(Context context, AttributeSet attrs) {
     protected void init() {
         setZOrderOnTop(true);
         setEGLContextClientVersion(2);
-        setEGLConfigChooser(8, 8, 8, 8, 16, 0);
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
+            setEGLConfigChooser(8, 8, 8, 8, 16, 0);
+        } else {
+            setEGLConfigChooser(5, 6, 5, 8, 0, 0);
+        }
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
             setPreserveEGLContextOnPause(true);
         }

canvasgl/src/main/java/com/chillingvan/canvasgl/glview/texture/gles/GLThread.java

@@ -881,9 +881,21 @@ private int findConfigAttrib(EGL10 egl, EGLDisplay display,
      * or without a depth buffer.
      */
     public static class SimpleEGLConfigChooser extends ComponentSizeChooser {
+        public static SimpleEGLConfigChooser createConfigChooser(boolean withDepthBuffer, int contextClientVersion) {
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
+                return new SimpleEGLConfigChooser(withDepthBuffer, contextClientVersion);
+            } else {
+                return new SimpleEGLConfigChooser(5, 6, 5, 8, 0, 0, contextClientVersion);
+            }
+        }
+
         public SimpleEGLConfigChooser(boolean withDepthBuffer, int contextClientVersion) {
             super(8, 8, 8, 0, withDepthBuffer ? 16 : 0, 0, contextClientVersion);
         }
+
+        public SimpleEGLConfigChooser(int redSize, int greenSize, int blueSize, int alphaSize, int depthSize, int stencilSize, int contextClientVersion) {
+            super(redSize, greenSize, blueSize, alphaSize, depthSize, stencilSize, contextClientVersion);
+        }
     }
 
 
@@ -1037,7 +1049,7 @@ public Builder setSurface(Object surface) {
 
 
         public Builder setEGLConfigChooser(boolean needDepth) {
-            setEGLConfigChooser(new SimpleEGLConfigChooser(needDepth, eglContextClientVersion));
+            setEGLConfigChooser(SimpleEGLConfigChooser.createConfigChooser(needDepth, eglContextClientVersion));
             return this;
         }
 
@@ -1096,7 +1108,7 @@ public GLThread createGLThread() {
                 throw new NullPointerException("surface has not been set");
             }
             if (configChooser == null) {
-                configChooser = new SimpleEGLConfigChooser(true, eglContextClientVersion);
+                configChooser = SimpleEGLConfigChooser.createConfigChooser(true, eglContextClientVersion);
             }
             if (eglContextFactory == null) {
                 eglContextFactory = new DefaultContextFactory(eglContextClientVersion);

canvasglsample/build.gradle

@@ -28,7 +28,7 @@ android {
         applicationId "com.chillingvan.canvasglsample"
         minSdkVersion 15
         targetSdkVersion 27
-        versionCode 4
+        versionCode 5
         versionName "1.4"
 
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"