I have made a Open GL program using TriangleRenderer in ApiDemos. I
made a button and I want to turn off GLSurfaceView when I click a
button. So firstly I addView GLSurfaceView in LinearLayout, and I
removeView GLSurfaceView when I click a button.
But when I removeView a GLSurfaceView, emulator was freezed printing a
LOG (
SurfaceComposerClient : lock_layer timed out (is the CPU pagged ). I
think some method call need before removing a GLSurfaceView. but I
don't know exactly.
package com.gltest;
import android.app.Activity;
import android.os.Bundle;
import android.opengl.GLSurfaceView;
import android.view.View;
import android.widget.Button;
import android.widget.LinearLayout;
public class Hello extends Activity {
private LinearLayout mLayout;
private MyGLSurfaceView mGLSurface;
private Button mButton;
@Override public void
onCreate (Bundle savedInstanceState) {
super.onCreate (savedInstanceState);
mLayout = new LinearLayout (this);
mLayout.setOrientation (LinearLayout.VERTICAL);
mGLSurface = new MyGLSurfaceView(this);
mLayout.addView (mGLSurface,
new LinearLayout.LayoutParams (
LinearLayout.LayoutParams.FILL_PARENT,
LinearLayout.LayoutParams.FILL_PARENT,
1.0f));
mButton = new Button (this);
mLayout.addView (mButton,
new LinearLayout.LayoutParams (
LinearLayout.LayoutParams.WRAP_CONTENT,
LinearLayout.LayoutParams.WRAP_CONTENT,
1.0f));
mButton.setOnClickListener (new View.OnClickListener () {
public void onClick (View v) {
mGLSurface.onPause ();
mLayout.removeView (mGLSurface);
}
});
setContentView (mLayout);
}
}
package com..gltest;
import android.content.Context;
import android.util.AttributeSet;
import android.util.Log;
import android.opengl.GLSurfaceView;
import android.widget.LinearLayout;
public class MyGLSurfaceView extends LinearLayout {
static final String TAG = "MyGLSurfaceView";
private GLSurfaceView mGLSurface;
public MyGLSurfaceView (Context context) {
this (context, null);
}
public MyGLSurfaceView (Context context, AttributeSet attrs) {
super (context, attrs);
mGLSurface = new GLSurfaceView (context);
mGLSurface.setEGLConfigChooser (false);
mGLSurface.setRenderer (new TriangleRenderer (context));
addView (mGLSurface);
}
@Override protected void
onDetachedFromWindow () {
Log.v (TAG, "onDetatchedFromWindow");
mGLSurface.onPause ();
}
public void onPause () {
mGLSurface.onPause ();
}
}
SurfaceComposerClient : lock_layer timed out (is the CPU pagged?)
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