Opengl problem.

[gyijhbk]

When I try to create icosphere my app crash.Here is the code:

package com.droidnova.android.games.vortex;

import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.FloatBuffer;
import java.nio.ShortBuffer;

import javax.microedition.khronos.egl.EGLConfig;
import javax.microedition.khronos.opengles.GL10;

import android.opengl.GLSurfaceView;

public class VortexRenderer implements GLSurfaceView.Renderer {
	private static final String LOG_TAG = VortexRenderer.class.getSimpleName();
	 
    // a raw buffer to hold indices allowing a reuse of points.
    private ShortBuffer _indexBuffer;
 
    // a raw buffer to hold the vertices
    private FloatBuffer _vertexBuffer;
 
    // a raw buffer to hold the colors
    private FloatBuffer _colorBuffer;
 
    private int _nrOfVertices = 0;
 
    private float _xAngle;
    private float _yAngle;
 
   
 
    public void onSurfaceChanged(GL10 gl, int w, int h) {
        gl.glViewport(0, 0, w, h);
    }
 
    public void setXAngle(float angle) {
        _xAngle = angle;
    }
 
    public float getXAngle() {
        return _xAngle;
    }
 
    public void setYAngle(float angle) {
        _yAngle = angle;
    }
 
    public float getYAngle() {
        return _yAngle;
    }
  
    
    private float _red = 0.9f;
    private float _green = 0.2f;
    private float _blue = 0.2f;

    private float _angle;
 
    private short[] _indicesArray = {0, 1, 2};    
    public void setAngle(float angle) {
        _angle = angle;
    }
    public void onSurfaceCreated(GL10 gl, EGLConfig config) {
    	// preparation
        // enable the differentiation of which side may be visible 
        gl.glEnable(GL10.GL_CULL_FACE);
        // which is the front? the one which is drawn counter clockwise
        gl.glFrontFace(GL10.GL_CCW);
        // which one should NOT be drawn
        gl.glCullFace(GL10.GL_BACK);
     
        gl.glEnableClientState(GL10.GL_VERTEX_ARRAY);
        gl.glEnableClientState(GL10.GL_COLOR_ARRAY);
     
        initTriangle();
    }
 
 private void initTriangle() {
	 float[] coords = {
			 -1.476907f,-1.825372f,0.371984f,
			 -0.753300f,-1.272592f,0.897709f,
			 -1.753295f,-1.272592f,1.222633f,
			 -2.371334f,-1.272588f,0.371984f,
			 -1.753295f,-1.272592f,-0.478665f,
			 -0.753300f,-1.272592f,-0.153741f,
			 -1.200519f,-0.378152f,1.222633f,
			 -2.200515f,-0.378152f,0.897709f,
			 -2.200515f,-0.378152f,-0.153741f,
			 -1.200519f,-0.378152f,-0.478665f,
			 -0.582481f,-0.378156f,0.371984f,
			 -1.476907f,0.174628f,0.371984f,
			 -1.051585f,-1.676026f,0.680995f,
			 -1.214038f,-1.351110f,1.180996f,
			 -1.639363f,-1.676026f,0.871979f,
			 -1.051585f,-1.676026f,0.062973f,
			 -0.626259f,-1.351108f,0.371984f,
			 -2.165097f,-1.351108f,0.871981f,
			 -2.002637f,-1.676024f,0.371984f,
			 -2.165097f,-1.351108f,-0.128013f,
			 -1.639363f,-1.676026f,-0.128011f,
			 -1.214038f,-1.351110f,-0.437028f,
			 -0.525849f,-0.825372f,0.062971f,
			 -0.525849f,-0.825372f,0.680997f,
			 -0.889122f,-0.825372f,1.181001f,
			 -1.476907f,-0.825372f,1.371984f,
			 -2.064693f,-0.825372f,1.181001f,
			 -2.427965f,-0.825372f,0.680997f,
			 -2.427965f,-0.825372f,0.062971f,
			 -2.064693f,-0.825372f,-0.437033f,
			 -1.476907f,-0.825372f,-0.628016f,
			 -0.889122f,-0.825372f,-0.437033f,
			 -0.788718f,-0.299636f,0.871981f,
			 -1.739776f,-0.299634f,1.180996f,
			 -2.327555f,-0.299636f,0.371984f,
			 -1.739776f,-0.299634f,-0.437028f,
			 -0.788718f,-0.299636f,-0.128013f,
			 -0.951177f,0.025280f,0.371984f,
			 -1.314452f,0.025282f,0.871979f,
			 -1.902230f,0.025282f,0.680995f,
			 -1.902230f,0.025282f,0.062973f,
			 -1.314452f,0.025282f,-0.128011f
	    };
	    _nrOfVertices = coords.length;
	 
	    float[] colors = {
	            1f, 0f, 0f, 1f, // point 0 red
	            0f, 1f, 0f, 1f, // point 1 green
	            0f, 0f, 1f, 1f, // point 2 blue
	            1f, 1f, 1f, 1f, // point 3 white
	    };
	 
	    short[] indices = new short[] {
	            0, 1, 3, // rwg
	            0, 2, 1, // rbg
	            0, 3, 2, // rbw
	            1, 2, 3, // bwg
	    };
	 
  
     // float has 4 bytes, coordinate * 4 bytes
     ByteBuffer vbb = ByteBuffer.allocateDirect(coords.length * 4);
     vbb.order(ByteOrder.nativeOrder());
     _vertexBuffer = vbb.asFloatBuffer();
  
     // short has 2 bytes, indices * 2 bytes
     ByteBuffer ibb = ByteBuffer.allocateDirect(indices.length * 2);
     ibb.order(ByteOrder.nativeOrder());
     _indexBuffer = ibb.asShortBuffer();
  
     // float has 4 bytes, colors (RGBA) * 4 bytes
     ByteBuffer cbb = ByteBuffer.allocateDirect(colors.length * 4);
     cbb.order(ByteOrder.nativeOrder());
     _colorBuffer = cbb.asFloatBuffer();
  
     _vertexBuffer.put(coords);
     _indexBuffer.put(indices);
     _colorBuffer.put(colors);
  
     _vertexBuffer.position(0);
     _indexBuffer.position(0);
     _colorBuffer.position(0);
 }  public void onDrawFrame(GL10 gl) {
	// define the color we want to be displayed as the "clipping wall"
	    gl.glClearColor(0f, 0f, 0f, 1.0f);
	 
	    // reset the matrix - good to fix the rotation to a static angle
	    gl.glLoadIdentity();
	 
	    // clear the color buffer to show the ClearColor we called above...
	    gl.glClear(GL10.GL_COLOR_BUFFER_BIT);
	 
	    // set rotation
	    gl.glRotatef(_xAngle, 1f, 0f, 0f);
	    gl.glRotatef(_yAngle, 0f, 1f, 0f);
	 
	    //gl.glColor4f(0.5f, 0f, 0f, 0.5f);
	    gl.glVertexPointer(3, GL10.GL_FLOAT, 0, _vertexBuffer);
	    gl.glColorPointer(4, GL10.GL_FLOAT, 0, _colorBuffer);
	    gl.glDrawElements(GL10.GL_TRIANGLES, _nrOfVertices, GL10.GL_UNSIGNED_SHORT, _indexBuffer);
       
    }

    public void setColor(float r, float g, float b) {
        _red = r;
        _green = g;
        _blue = b;
    }

}