如何更改"MaterialDatePicker"的主题；在Android中?

问题描述

我已经使用 MaterialDatePicker 来选择单个日期&我也已经完成了这项任务，但是我无法更改标题&的主题按钮.

I've used MaterialDatePicker for the purpose of selecting a single date & also I had achieved that task but I cannot change the theme of the header & button.

        MaterialDatePicker.Builder builder;
        MaterialDatePicker materialDatePicker;

        long today = MaterialDatePicker.todayInUtcMilliseconds();
        CalendarConstraints.Builder con = new CalendarConstraints.Builder();
        con.setValidator(DateValidatorPointForward.now());
        builder.setSelection(today);
        builder.setCalendarConstraints(con.build());

        materialDatePicker = builder.build();

        findViewById(R.id.startCalender).setOnClickListener(v ->
                materialDatePicker.show(getSupportFragmentManager(), builder.toString())
        );

        materialDatePicker.addOnPositiveButtonClickListener(selection ->
        Toast.makeText(this, materialDatePicker.getHeaderText(),
        Toast.LENGTH_SHORT).show());

推荐答案

您有不同的选择.
您可以使用:

You have different options.
You can use:

builder.setTheme(R.style.MaterialCalendarTheme);

具有:

  <style name="MaterialCalendarTheme" parent="ThemeOverlay.MaterialComponents.MaterialCalendar">
    <!-- just override the colors used in the default style -->
    <item name="colorOnPrimary">@color/primaryDarkColor</item>
    <item name="colorPrimary">@color/primaryLightColor</item>
  </style>

或者您可以使用类似的内容:

or you can use something like:

  <style name="MaterialCalendarTheme" parent="ThemeOverlay.MaterialComponents.MaterialCalendar">

    <!-- Header panel -->
    <item name="materialCalendarHeaderLayout">@style/MaterialCalendar.HeaderLayout1</item>
    <!-- Buttons -->
    <item name="buttonBarPositiveButtonStyle">@style/TextButton.Dialog1</item>
    <item name="buttonBarNegativeButtonStyle">@style/TextButton.Dialog1</item>
  </style>
  <style name="MaterialCalendar.HeaderLayout1" parent="Widget.MaterialComponents.MaterialCalendar.HeaderLayout">
    <!--<item name="android:background">?attr/colorPrimary</item>-->
    <item name="android:background">@color/primaryLightColor</item>
  </style>
  <style name="TextButton.Dialog1" parent="Widget.MaterialComponents.Button.TextButton.Dialog">
    <item name="android:textColor">@color/white</item>
    <item name="backgroundTint">@color/primaryDarkColor</item>
  </style>

这篇关于如何更改"MaterialDatePicker"的主题；在Android中?的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！