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我想在android片段中设置工具栏标题。但我的代码在下面的代码给空指针异常:在Android片段中设置标题工具栏给空指针
((AppCompatActivity)getActivity()).getSupportActionBar().setTitle("PROFIL");
这是我的全部代码
package id.prasetyo.appsgaul.Layout;
import android.os.Bundle;
import android.support.v4.widget.SwipeRefreshLayout;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import id.prasetyo.appsgaul.R;
public class Profil2Activity extends android.support.v4.app.Fragment implements SwipeRefreshLayout.OnRefreshListener {
private Toolbar toolbar;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.activity_profil2, container, false);
toolbar = (Toolbar) rootView.findViewById(R.id.toolbar);
((AppCompatActivity)getActivity()).setSupportActionBar(toolbar
((AppCompatActivity)getActivity()).getSupportActionBar().setTitle("PROFIL");
return rootView;
}
@Override
public void onRefresh() {
}
}
任何建议,将不胜感激。谢谢
你能给我们堆栈跟踪吗? –
我的意思是stack trace..log猫? –
活动 – Rahul