不知道这样有没有帮到你...
public android.hardware.Camera camera;
private
SurfaceView sView;
protected void onCreate(Bundle savedInstanceState)
{
sView = (SurfaceView) findViewById(R.id.sView);
sView.setOnClickListener(new SurfaceView.OnClickListener() {
public void onClick(View v) {
camera.autoFocus(null);
}
});
}你可以试试