减少 AlertDialog.Builder 组件的字体大小 [英] Reducing font size of AlertDialog.Builder's components

问题描述

我使用以下代码创建了一个 AlertDialogue :

I created an AlertDialogue using the following code :

 int selectedModeId=0;
 public void sortTypeModeSelection(){

    AlertDialog.Builder alertBuilder=new AlertDialog.Builder(WatchListDetailActivity.this);

    alertBuilder.setSingleChoiceItems(R.array.watchlist_sorting_modes,selectedModeId, new DialogInterface.OnClickListener(){
        public void onClick(DialogInterface dialog, int which) {
            switch (which){
                case 0:
                    selectedModeId=0;
                    break;
                case 1:
                    selectedModeId=1;
                    break;
                case 2:
                    selectedModeId=2;
                    break;
                case 3:
                    selectedModeId=3;
                    break;
                case 4:
                    selectedModeId=4;
                    break;
                case 5:
                    selectedModeId=5;
                    break;
                case 6:
                    selectedModeId=6;
                    break;
                case 7:
                    selectedModeId=7;
                    break;
            }
            dialog.cancel();
        }
    });
    alertBuilder.show();
}

我发出了警报，但我想减小对话框列表项的字体大小.我该怎么做?

I made the alert, but I want to reduce the font size of the list items of the dialog. How can I do this?

注意:不建议通过膨胀自定义布局来实现这一点，我想知道是否有其他方法.

Note: Don't recommend inflating a custom layout to accomplish this, I wish to know if there is another approach.

推荐答案

我能够通过样式实现这一点.我将此样式添加到值目录中的 styles.xml 文件中:

I was able to achieve this through styles. I added this style to my styles.xml file in the values directory:

<style name="AlertDialogTheme" parent="android:Theme.Dialog">
    <item name="android:textSize">14sp</item>
</style>

然后在创建 AlertDialog 时，我将活动上下文包装在 ContextThemeWrapper 中并将其传递到 Builder 构造函数:

Then when creating the AlertDialog, I wrapped the activity context in a ContextThemeWrapper and passed that into the Builder constructor:

ContextThemeWrapper cw = new ContextThemeWrapper( this, R.style.AlertDialogTheme );
AlertDialog.Builder b = new AlertDialog.Builder( cw );

这会为对话框中的列表项生成更小的文本大小.

This produced smaller text size for the list items in the dialog.

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