Java tutorial
//package com.java2s; import android.opengl.GLES20; public class Main { /** * Sets up opengl to perform standard alpha transparency */ public static void enableAlphaTransparency() { GLES20.glEnable(GLES20.GL_BLEND); GLES20.glBlendFunc(GLES20.GL_SRC_ALPHA, GLES20.GL_ONE_MINUS_SRC_ALPHA); } }