android - 在对话框中更改时间选择器背景颜色

Question

我的自定义对话框中有一个时间选择器。这是结果:

这是我的代码:

<style name="DialogStyler2" parent="Theme.AppCompat.Light.Dialog.Alert">
    <item name="android:background">#FFFFFF</item>
    <item name="android:windowSoftInputMode">stateUnspecified|adjustPan</item>
    <item name="android:windowNoTitle">true</item>
</style>

final Dialog dialog = new Dialog(SabadKharid_s1.this, R.style.DialogStyler2);
                    dialog.setContentView(R.layout.dialogtime);

                    timePicker = (TimePicker) dialog.findViewById(R.id.timePicker);
                    timePicker.setIs24HourView(true);

                    WindowManager.LayoutParams lp = new WindowManager.LayoutParams();
                    lp.copyFrom(dialog.getWindow().getAttributes());
                    lp.width = WindowManager.LayoutParams.MATCH_PARENT;
                    lp.height = WindowManager.LayoutParams.WRAP_CONTENT;
                    dialog.show();
                    dialog.getWindow().setAttributes(lp);

如您所见，标题中的小时和分钟 textView 是白色的。我怎样才能改变他们的背景颜色？

Answer 1

如果您更改“背景”而不是“窗口背景”的颜色，就会发生这种情况。这对我有用:

样式.xml

<style name="DialogTheme" parent="Theme.AppCompat.Dialog">
    <item name="android:windowBackground">#333</item>
    <item name="colorAccent">#2BF</item>
</style>

主 Activity .java

Calendar cal = Calendar.getInstance();
TimePickerDialog tpd = new TimePickerDialog(
        this,
        R.style.DialogTheme,
        this, // must implement TimePickerDialog.OnTimeSetListener
        cal.get(Calendar.HOUR_OF_DAY),
        cal.get(Calendar.MINUTE),
        false);

tpd.show();