我得到了一个字符串的意图,我是一个新活动,我想在TextView
内分发字符串,我试图在onCreate
内声明我的TextView
,但它崩溃了。 我该如何为变量"requestbuff"
做?
public class RequestDetail extends MainActivity
{
@Override
public void onCreate(Bundle savedInstanceState)
{
Intent intent = getIntent();
String requestbuff = intent.getExtras().getString("Requête");
TextView details = (TextView)findViewById(R.id.detailreq);
details.setText(requestbuff);
super.onCreate(savedInstanceState);
setContentView(R.layout.detail_req);
}
}
这将正常工作。将 setContentView 放在方法的开头,以便创建视图。之后,您可以使用findViewById((
public class RequestDetail extends MainActivity
{
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.detail_req);
Intent intent = getIntent();
String requestbuff = intent.getExtras().getString("Requête");
TextView details = (TextView)findViewById(R.id.detailreq);
details.setText(requestbuff);
}
}