ImageButton获得焦点和失去焦点事件响应 选中时更换图片 非选中时还原

[android]代码库

		mImageButton1.setOnFocusChangeListener(new OnFocusChangeListener() {
			public void onFocusChange(View arg0, boolean isFocused) {
				// TODO Auto-generated method stub
				/* 若ImageButton状态为onFocus改变ImageButton的图片 * 并改变textView的文字 */
				if (isFocused == true) {
					mTextView1.setText("图片按钮状态为:Got Focus");
					mImageButton1.setImageResource(R.drawable.iconfull);
				}
				/* 若ImageButton状态为offFocus改变ImageButton的图片 *并改变textView的文字 */
				else {
					mTextView1.setText("图片按钮状态为:Lost Focus");
					mImageButton1.setImageResource(R.drawable.iconempty);
				}
			}
		});