单击listview中的项目时碎片崩溃

Question

当我触摸列表视图中的项目时，应用程序崩溃

这是logcat

2020-03-15 20:26:50.123 19174-19174/com.zeroXmohamed。TN19 E/Minikin：无法获取cmap表大小！2020-03-15 20:26:50.158 19174-19202/com.zeroXmohamed。TN19 E/MemoryLeakMonitor orManager：MemoryLeakMonitor.jar不存在！2020-03-15 20:26:54.323 19174-19174/com.zeroXmohamed。TN19 E/AndreidRuntime：致命异常：主进程：com.zeroXmohamed。TN19，PID：19174android.content.res.资源$NotFound异常：字符串资源ID#0x3在android.content.res.Resources.get文本（Resources.java:410）在android.content.res.HwResources.get文本（HwResources.java:465）在android.widget.Toast.make文本（Toast.java:328）在com.zeroXmohamed。TN19.fragment.ChercheFrach$1.on项目点击（ChercheFragment.java:48）在android.widget.AdapterView. performItem点击（AdapterView. java： 321）在android. Widget。AbsListView. performItem点击（AbsListView. java： 1217）在android. Widget。AbsListView$PerformClick. run（AbsListView. java： 3203）在android. Widget。AbsListView3 Dollars. run（AbsListView. java： 4151）在android. os. Handler. handleCallback（Handler. java： 808）在android. os. Handler.调度消息（Handler. java： 101）在android. os. Looper. cle（Looper. java： 166）在android. app。ActivityThread. main（ActivityThread. java： 7529）在java.

这是密码

package ...
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Toast;

import com.zeroXmohamed.TN19.R;


public class ChercheFragment extends Fragment {
    String countryList[] = {"India", "China", "australia", "Portugle", "America", "NewZealand"};
    private ListView simpleList;


    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        View rootView = inflater.inflate(R.layout.fragment_cherche, container,
                false);
        simpleList= rootView.findViewById(R.id.ListC);
        ArrayAdapter<String> adapter = new ArrayAdapter<String>(getActivity(),
                android.R.layout.simple_list_item_1, countryList);
        simpleList.setAdapter(adapter);


        simpleList.setOnItemClickListener(new AdapterView.OnItemClickListener() {

            @Override
            public void onItemClick(AdapterView<?> arg0, View arg1,
                                    int position, long arg3) {
                Toast.makeText(getContext(), position, Toast.LENGTH_SHORT).show();



            }
        });

        return rootView;
    }


}

Answer 1

替换：

Toast.makeText(getContext(), position, Toast.LENGTH_SHORT).show()

与：

Toast.makeText(getContext(), Integer.toString(position), Toast.LENGTH_SHORT).show()

将int作为第二个参数的makeText（）版本希望int是字符串资源ID。您的不是。因此，您需要自己将位置转换为字符串。