Theme.MaterialComponents 不改变对话框标题的字体
Theme.MaterialComponents does not change font of dialog title
我正在为我们的应用程序使用 material 组件主题。现在我们想要一个自定义字体,我设法在几乎所有地方都应用了下面的主题,它使用了由 material 组件定义的各种 textAppearance...
属性。
这非常有效,并且主题也几乎无处不在地应用于 AlertDialogs -- 消息文本和按钮具有自定义字体,按钮具有正确的强调色等。
无论如何,只有对话框标题保留 Roboto 字体。
<!-- externalized font name for easier change -->
<string name="font_regular" translatable="false" tools:ignore="ReferenceType">@font/atma_regular</string>
<style name="Theme.App" parent="Theme.MaterialComponents.Light.NoActionBar">
<item name="colorPrimary">@color/colorPrimary</item>
<item name="colorPrimaryDark">@color/colorPrimaryDark</item>
<item name="colorAccent">@color/colorAccent</item>
<item name="android:textColorPrimary">@color/textColorPrimary</item>
<item name="android:textColorSecondary">@color/textColorSecondary</item>
<item name="textAppearanceHeadline1">@style/TextAppearance.App.Button</item>
<item name="textAppearanceHeadline2">@style/TextAppearance.App.Button</item>
<item name="textAppearanceHeadline3">@style/TextAppearance.App.Button</item>
<item name="textAppearanceHeadline4">@style/TextAppearance.App.Button</item>
<item name="textAppearanceHeadline5">@style/TextAppearance.App.Button</item>
<item name="textAppearanceHeadline6">@style/TextAppearance.App.Button</item>
<item name="textAppearanceSubtitle1">@style/TextAppearance.App.Subtitle1</item>
<item name="textAppearanceSubtitle2">@style/TextAppearance.App.Subtitle2</item>
<item name="textAppearanceBody1">@style/TextAppearance.App.Body1</item>
<item name="textAppearanceBody2">@style/TextAppearance.App.Body2</item>
<item name="textAppearanceButton">@style/TextAppearance.App.Button</item>
<item name="android:textAppearanceLarge">@style/TextAppearance.App.Large</item>
<item name="android:textAppearanceMedium">@style/TextAppearance.App.Medium</item>
<item name="android:textAppearanceSmall">@style/TextAppearance.App.Small</item>
</style>
<style name="TextAppearance.App.Subtitle1" parent="TextAppearance.MaterialComponents.Subtitle1">
<item name="fontFamily">@string/font_regular</item>
<item name="android:fontFamily">@string/font_regular</item>
</style>
...
我尝试为警报对话框定义一个额外的主题,如下所示:
<style name="Theme.App" parent="Theme.MaterialComponents.Light.NoActionBar">
...
<item name="alertDialogTheme">@style/Theme.App.AlertDialog</item>
...
</style>
<style name="Theme.App.AlertDialog" parent="Theme.MaterialComponents.Light.Dialog.Alert">
<item name="android:windowTitleStyle">@style/TextAppearance.App.DialogWindowTitle</item>
</style>
<style name="TextAppearance.App.DialogWindowTitle" parent="ThemeOverlay.MaterialComponents.Dialog.Alert">
<item name="fontFamily">@string/font_regular</item>
<item name="android:fontFamily">@string/font_regular</item>
<item name="android:textSize">30sp</item>
</style>
但这会重置各处的颜色和字体。唯一应用的是 textSize。
实现这个真的不应该那么难,但我现在没主意了。我可以以编程方式应用字体,但这会很丑陋。
感谢您的问题,我意识到我使用了不正确的属性来分配标题样式(android:titleTextAppearance
而不是 android:windowTitleStyle
)。
看来您的问题已同时得到解决,因为您的确切代码从今天起似乎对我有用。
如您所述,MaterialAlertDialogBuilder
创建的 AlertDialog
使用应用主题中 textAppearanceSubtitle1
属性定义的样式。
否则,您可以更改 AlertDialog
使用的样式,例如:
new MaterialAlertDialogBuilder(MainActivity.this,
R.style.MyTitle_ThemeOverlay_MaterialComponents_MaterialAlertDialog)
.setTitle("Title")
.setMessage("Message......")
.setPositiveButton("ok", null)
.setNegativeButton("Cancel", null)
.show();
在您的样式中,您必须自定义 materialAlertDialogTitleTextStyle
属性:
<style name="MyTitle_ThemeOverlay.MaterialComponents.MaterialAlertDialog" parent="@style/ThemeOverlay.MaterialComponents.MaterialAlertDialog">
<item name="materialAlertDialogTitleTextStyle">@style/MyTitle_MaterialAlertDialog.MaterialComponents.Title.Text</item>
</style>
<style name="MyTitle_MaterialAlertDialog.MaterialComponents.Title.Text" parent="@style/MaterialAlertDialog.MaterialComponents.Title.Text">
<item name="android:textAppearance">@style/MyTitle_TextAppearance.MaterialComponents.Subtitle1</item>
</style>
<style name="MyTitle_TextAppearance.MaterialComponents.Subtitle1" parent="TextAppearance.MaterialComponents.Subtitle1">
<item name="fontFamily">....</item>
<item name="android:fontFamily">....</item>
<item name="android:textStyle">.....</item>
</style>
我正在为我们的应用程序使用 material 组件主题。现在我们想要一个自定义字体,我设法在几乎所有地方都应用了下面的主题,它使用了由 material 组件定义的各种 textAppearance...
属性。
这非常有效,并且主题也几乎无处不在地应用于 AlertDialogs -- 消息文本和按钮具有自定义字体,按钮具有正确的强调色等。
无论如何,只有对话框标题保留 Roboto 字体。
<!-- externalized font name for easier change -->
<string name="font_regular" translatable="false" tools:ignore="ReferenceType">@font/atma_regular</string>
<style name="Theme.App" parent="Theme.MaterialComponents.Light.NoActionBar">
<item name="colorPrimary">@color/colorPrimary</item>
<item name="colorPrimaryDark">@color/colorPrimaryDark</item>
<item name="colorAccent">@color/colorAccent</item>
<item name="android:textColorPrimary">@color/textColorPrimary</item>
<item name="android:textColorSecondary">@color/textColorSecondary</item>
<item name="textAppearanceHeadline1">@style/TextAppearance.App.Button</item>
<item name="textAppearanceHeadline2">@style/TextAppearance.App.Button</item>
<item name="textAppearanceHeadline3">@style/TextAppearance.App.Button</item>
<item name="textAppearanceHeadline4">@style/TextAppearance.App.Button</item>
<item name="textAppearanceHeadline5">@style/TextAppearance.App.Button</item>
<item name="textAppearanceHeadline6">@style/TextAppearance.App.Button</item>
<item name="textAppearanceSubtitle1">@style/TextAppearance.App.Subtitle1</item>
<item name="textAppearanceSubtitle2">@style/TextAppearance.App.Subtitle2</item>
<item name="textAppearanceBody1">@style/TextAppearance.App.Body1</item>
<item name="textAppearanceBody2">@style/TextAppearance.App.Body2</item>
<item name="textAppearanceButton">@style/TextAppearance.App.Button</item>
<item name="android:textAppearanceLarge">@style/TextAppearance.App.Large</item>
<item name="android:textAppearanceMedium">@style/TextAppearance.App.Medium</item>
<item name="android:textAppearanceSmall">@style/TextAppearance.App.Small</item>
</style>
<style name="TextAppearance.App.Subtitle1" parent="TextAppearance.MaterialComponents.Subtitle1">
<item name="fontFamily">@string/font_regular</item>
<item name="android:fontFamily">@string/font_regular</item>
</style>
...
我尝试为警报对话框定义一个额外的主题,如下所示:
<style name="Theme.App" parent="Theme.MaterialComponents.Light.NoActionBar">
...
<item name="alertDialogTheme">@style/Theme.App.AlertDialog</item>
...
</style>
<style name="Theme.App.AlertDialog" parent="Theme.MaterialComponents.Light.Dialog.Alert">
<item name="android:windowTitleStyle">@style/TextAppearance.App.DialogWindowTitle</item>
</style>
<style name="TextAppearance.App.DialogWindowTitle" parent="ThemeOverlay.MaterialComponents.Dialog.Alert">
<item name="fontFamily">@string/font_regular</item>
<item name="android:fontFamily">@string/font_regular</item>
<item name="android:textSize">30sp</item>
</style>
但这会重置各处的颜色和字体。唯一应用的是 textSize。
实现这个真的不应该那么难,但我现在没主意了。我可以以编程方式应用字体,但这会很丑陋。
感谢您的问题,我意识到我使用了不正确的属性来分配标题样式(android:titleTextAppearance
而不是 android:windowTitleStyle
)。
看来您的问题已同时得到解决,因为您的确切代码从今天起似乎对我有用。
如您所述,MaterialAlertDialogBuilder
创建的 AlertDialog
使用应用主题中 textAppearanceSubtitle1
属性定义的样式。
否则,您可以更改 AlertDialog
使用的样式,例如:
new MaterialAlertDialogBuilder(MainActivity.this,
R.style.MyTitle_ThemeOverlay_MaterialComponents_MaterialAlertDialog)
.setTitle("Title")
.setMessage("Message......")
.setPositiveButton("ok", null)
.setNegativeButton("Cancel", null)
.show();
在您的样式中,您必须自定义 materialAlertDialogTitleTextStyle
属性:
<style name="MyTitle_ThemeOverlay.MaterialComponents.MaterialAlertDialog" parent="@style/ThemeOverlay.MaterialComponents.MaterialAlertDialog">
<item name="materialAlertDialogTitleTextStyle">@style/MyTitle_MaterialAlertDialog.MaterialComponents.Title.Text</item>
</style>
<style name="MyTitle_MaterialAlertDialog.MaterialComponents.Title.Text" parent="@style/MaterialAlertDialog.MaterialComponents.Title.Text">
<item name="android:textAppearance">@style/MyTitle_TextAppearance.MaterialComponents.Subtitle1</item>
</style>
<style name="MyTitle_TextAppearance.MaterialComponents.Subtitle1" parent="TextAppearance.MaterialComponents.Subtitle1">
<item name="fontFamily">....</item>
<item name="android:fontFamily">....</item>
<item name="android:textStyle">.....</item>
</style>