Dialougbox中的listview沒有顯示任何內容

Question

我有此代碼來顯示listview中dialogbox的幀listview被示出，但不含任何文本（ⅰ具有背景顏色的listview ）

 public void shw(View view)
    {

        Dialog dialog=new Dialog(MainActivity.this);
        dialog.setTitle("Dialog Title");
        dialog.setContentView(R.layout.custadd);
        LayoutInflater inflater = getLayoutInflater();
        View convertView = (View) inflater.inflate(R.layout.custadd,null);
        ListView lv=(ListView) convertView.findViewById(R.id.listv);
        String s1[]={"sunday","monday","tuesday"};
        ArrayAdapter<String> arrayAdapter = new ArrayAdapter<String>(
                this,
                R.layout.simple_list_item, s1 );
        lv.setAdapter(arrayAdapter);
        dialog.show();

    }

Answer 1

嘗試這個

public void shw(View view) {

    Dialog dialog=new Dialog(MainActivity.this);
    dialog.setTitle("Dialog Title");     
    dialog.setContentView(R.layout.custadd);    
    ListView lv=(ListView) dialog.findViewById(R.id.listv);    
    String s1[]={"sunday","monday","tuesday"};

     ArrayAdapter<String> arrayAdapter = new ArrayAdapter<String>(
            this,
            android.R.layout.simple_list_item_1, s1 );
    lv.setAdapter(arrayAdapter);
    dialog.show();

}

Answer 2

是的，因為您顯示的ListView視圖不是您為Dialog設置的視圖。 您應按以下步驟修復：

Dialog dialog=new Dialog(MainActivity.this);
dialog.setTitle("Dialog Title");
LayoutInflater inflater = getLayoutInflater();
View convertView = (View) inflater.inflate(R.layout.custadd,null    );
dialog.setContentView(convertView); // set convertView as content view. 
// you can find listview and then fill data here

Answer 3

刪除dialog.setContentView(R.layout.custadd); 並在對話框膨脹時設置對話框的視圖dialog.setContentView(convertView); 問題將得到解決。