AlertDialog.Builder使用

AlertController.AlertParams構建對話框.我檢查了AlertDialog.Builder #create()調用AlertController.AlertParams #application()如果設置了項目,則創建ListView并分配適配器(

AlertParams#createListView()).

我基于createListView源創建了自定義適配器并修改了android單元格布局：

public static class TypefaceDialog extends DialogFragment {

private static final CharSequence[] items = {

"A","B","C","D","E","F","G"

};

private static final boolean[] checked = {

true,false,true,false

};

@Override

public Dialog onCreateDialog(Bundle savedInstanceState) {

final Typeface fontTypeface = Typeface.createFromAsset(getActivity().getAssets(),"Arial Bold.ttf");

ListAdapter adapter = new ArrayAdapter(

getActivity(),android.R.layout.select_dialog_multichoice,android.R.id.text1,items) {

@Override

public View getView(final int position,View convertView,ViewGroup parent) {

View view = super.getView(position,convertView,parent);

CheckedTextView textView = (CheckedTextView)view.findViewById(android.R.id.text1);

textView.setChecked(checked[position]);

textView.setTypeface(fontTypeface);

textView.setOnClickListener(new View.OnClickListener() {

@Override

public void onClick(View v) {

CheckedTextView view = (CheckedTextView)v;

view.setChecked(!view.isChecked());

checked[position] = view.isChecked();

}

});

return view;

}

};

return new AlertDialog.Builder(getActivity())

.setAdapter(adapter,null)

.setPositiveButton("OK",null)

.create();

}

}

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