android自定义dialog样式

public class CustomDialog extends Dialog {

public CustomDialog(Context context) {

super(context);

// TODO Auto-generated constructor stub
}

protected void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);

setContentView(R.layout.custom_dialog);
LayoutParams params = getWindow().getAttributes();
params.height = LayoutParams.FILL_PARENT; 
getWindow().setAttributes((android.view.WindowManager.LayoutParams) params);   


setTitle("Custom Dialog");
TextView text = (TextView)findViewById(R.id.text);
text.setText("Hello, this is a custom dialog!");
ImageView image = (ImageView)findViewById(R.id.image);
image.setImageResource(R.drawable.sepurple);

Button buttonYes = (Button) findViewById(R.id.button_yes);
buttonYes.setHeight(5);
buttonYes.setOnClickListener(new Button.OnClickListener(){

public void onClick(View v) {
// TODO Auto-generated method stub
dismiss();

}
        });
Button buttonNo = (Button) findViewById(R.id.button_no);
buttonNo.setSingleLine(true);
buttonNo.setOnClickListener(new Button.OnClickListener(){

public void onClick(View v) {
// TODO Auto-generated method stub
dismiss();

}
        });
}

//called when this dialog is dismissed
protected void onStop() {
Log.d("TAG","+++++++++++++++++++++++++++");
}


}