reverted transparent gl view

src/de/tudarmstadt/informatik/hostage/ui2/fragment/opengl/HomeGLSurfaceView.java

@@ -15,9 +15,10 @@ public class HomeGLSurfaceView extends GLSurfaceView {
 	public HomeGLSurfaceView(Context context, AttributeSet attrs) { // will be called
 		super(context, attrs);
 		setEGLContextClientVersion(2); // OpenGL ES 2.0
-		setZOrderOnTop(true);
-		setEGLConfigChooser(8, 8, 8, 8, 16, 0);
-		getHolder().setFormat(PixelFormat.RGBA_8888);
-		setRenderer(new ThreatIndicatorGLRenderer());
+		//setZOrderOnTop(true);
+		// transparency
+		//setEGLConfigChooser(8, 8, 8, 8, 16, 0);
+		//getHolder().setFormat(PixelFormat.RGBA_8888);
+        setRenderer(new ThreatIndicatorGLRenderer());
 	}
 }

src/de/tudarmstadt/informatik/hostage/ui2/fragment/opengl/ThreatIndicatorGLRenderer.java

@@ -52,6 +52,8 @@ public class ThreatIndicatorGLRenderer implements Renderer {
 	
 	public void onSurfaceCreated(GL10 arg0, EGLConfig arg1) {
 		//GLES20.glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
+		GLES20.glClearColor(backgroundColor[0], backgroundColor[1], backgroundColor[2], 1.0f);
+		// GLES20.glClearColor(0.3f, 0.3f, 0.3f, 1.0f); // dark background
 		GLES20.glEnable(GLES20.GL_DEPTH_TEST);
 		GLES20.glEnable(GLES20.GL_CULL_FACE);
 		GLES20.glEnable(GLES20.GL_TEXTURE_2D);