Android设置TextView文本而不声明变量(Android setting TextView text without declaring variable)

Android设置TextView文本而不声明变量(Android setting TextView text without declaring variable)

我通常以这种方式设置TextView的文本：

TextView tv = (TextView) findViewById(R.id.lbC1Voice); tv.setText("ss");

没有办法在没有声明电视的情况下设置它吗？ 例如

(TextView) findViewById(R.id.lbC1Voice).setText("ss");

谢谢

I normally set a TextView's text this way:

TextView tv = (TextView) findViewById(R.id.lbC1Voice); tv.setText("ss");

Isn't there a way to set it without declaring tv? e.g.

(TextView) findViewById(R.id.lbC1Voice).setText("ss");

Thanks

最满意答案

你需要findViewById()的返回值，而不是findViewById(...).setText() 。 使用括号指定强制转换的范围：

((TextView)findViewById(R.id.lbC1Voice)).setText("ss");

You need to cast the return value of findViewById(), not findViewById(...).setText(). Use parentheses to specify the scope of the cast:

((TextView)findViewById(R.id.lbC1Voice)).setText("ss");