EditT a8e8 ext获取焦点显示按钮，点击按钮清空EditText

//用户触摸EditText得到焦点事件
mEtAccountUserPassword.setOnFocusChangeListener(new OnFocusChangeListener() {

@Override
public void onFocusChange(View arg0, boolean hasFocus) {
// TODO Auto-generated method stub
if (hasFocus) {
// 得到焦点是控件显示
mEtAccountUserPasswordClear.setVisibility(View.VISIBLE);
} else {
// 失去焦点时控件隐藏
mEtAccountUserPasswordClear.setVisibility(View.GONE);
}

}
});

//按钮点击事件

@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
//点击按钮清空EditText
mEtAccountUserPassword.getText().clear();
}
});