我在使用带有 ListView 的 DialogFragment 时遇到问题。当我在 onCreate 中使用 setStyle 时出现问题。

这是代码(为了更清楚地说明这个问题，我用洋红色给列表 TextView 上色):

import android.app.DialogFragment;
import android.graphics.Color;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ListView;
import android.widget.TextView;

public class MenuDialog extends DialogFragment {

    public static MenuDialog create() {
        MenuDialog frag = new MenuDialog();
        return frag;
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setStyle(STYLE_NO_TITLE, 0);
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        ListView v = new ListView(getActivity());
        v.setAdapter(new BaseAdapter() {

            @Override
            public View getView(int position, View convertView, ViewGroup parent) {
                TextView view = null;
                if (convertView == null) {
                    view = new TextView(getActivity());
                    view.setTextAppearance(getActivity(), android.R.style.TextAppearance_Large);
                    view.setPadding(15, 15, 15, 15);
                    view.setBackgroundColor(Color.MAGENTA);
                }
                else
                    view = (TextView) convertView;

                switch (position) {
                case 0: view.setText("Random"); break;
                case 1: view.setText("Community favourites"); break;
                case 2: view.setText("Change image"); break;
                case 3: view.setText("Share"); break;
                case 4: view.setText("Informations"); break;
                }

                return view;
            }

            @Override public long getItemId(int arg0) { return 0; }
            @Override public Object getItem(int arg0) { return null; }
            @Override public int getCount() { return 5; }
        });
        return v;
    }
}

这是它提供的对话框的图像:

现在，如果我简单地评论 setStyle(STYLE_NO_TITLE, 0); onCreate 方法中的一行，一切都按预期工作:

我做错了什么？ 我不能使用简单的 AlertDialog，因为我需要自定义更多这些列表项。

编辑: You can download here a demo Android Eclipse project that demonstrates the problem

最佳答案

1. list.xml

   <?xml version="1.0" encoding="utf-8"?>
    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="fill_parent"
     android:layout_height="wrap_content"
     android:orientation="vertical" >
   
     <ListView
       android:id="@+id/list"
       android:layout_width="fill_parent"
       android:layout_height="wrap_content"
   
        />
   
    </LinearLayout>
   

2. menu_rowview.xml

    <?xml version="1.0" encoding="utf-8"?>
          <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
       android:orientation="horizontal"
     android:id="@+id/linear"
            >
   
          <TextView
             android:id="@+id/textView1"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginBottom="10dp"
             android:layout_marginLeft="20dp"
             android:layout_marginRight="20dp"
             android:layout_marginTop="10dp"
             android:text="@android:string/unknownName"
             android:textAppearance="?android:attr/textAppearanceLarge" />
   
            </LinearLayout>
   

3. 更改 onCreateView()(在您的项目中)

     public View onCreateView(final LayoutInflater inflater, ViewGroup container,    Bundle savedInstanceState) {
   View view = inflater.inflate(R.layout.list, container);
   ListView v=(ListView) view.findViewById(R.id.list);
   v.setAdapter(new BaseAdapter() {
   
       public View getView(int position, View convertView, ViewGroup parent) {
           View rowView = null;
           if (convertView == null) {
               rowView = inflater.inflate(R.layout.menu_rowview, parent, false);
   
           }
           else
               rowView = convertView;
           LinearLayout lay=(LinearLayout) rowView.findViewById(R.id.linear);
           lay.setBackgroundColor(Color.MAGENTA);
           TextView textView = (TextView) rowView.findViewById(R.id.textView1);
           switch (position) {
           case 0: textView.setText("Random"); break;
           case 1: textView.setText("Community favourites"); break;
           case 2: textView.setText("Change image"); break;
           case 3: textView.setText("Share"); break;
           case 4: textView.setText("Informations"); break;
           }
   
           return rowView;
       }
   
       @Override public long getItemId(int arg0) { 
           return arg0; }
       @Override public Object getItem(int arg0) { return arg0; }
       @Override public int getCount() { return 5; }
   });
   return view;
   }
   

关于使用 setStyle 时 DialogFragment 中的 Android ListView 错误，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/12638278/