在对话中setView如下代码:
LayoutInflater inflater = LayoutInflater.from(this);
View layout = inflater.inflate(R.layout.mylayout, null);
TextView MyTextView = (TextView)findViewById(R.id.my_tv);
MyTextView.setText("test");
AlertDialog MyDialog;
AlertDialog.Builder MyBuilder = new AlertDialog.Builder(this);
MyBuilder.setTitle("title");
MyBuilder.setView(layout);
MyDialog = MyBuilder.create();
MyDialog.show();
my_tv 是在 mylayout.xm中的TextView 。
问题是 MyTextView.setText("test");这行报出NullPointer错误。
应该怎么修改?