如何在我的Xamarin应用程序中使用Holo Light主题

Question

I'm trying to get my app to use the Holo.Light theme. I've created a custom theme for Holo and put it in

Resourses\\values-v11\\FsmTheme.xml

<?xml version="1.0" encoding="utf-8" ?>
<resources>
    <style name="FsmTheme" parent="@android:style/Theme.Holo.Light">
    </style>
</resources>

I've also created one for older versions and put it in

Resourses\\values\\FsmTheme.xml

<?xml version="1.0" encoding="utf-8" ?>
<resources>
    <style name="FsmTheme" parent="@android:style/Theme.Light.NoTitleBar">
    </style>
</resources>

Then I added it to my AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android" android:installLocation="auto" android:versionCode="001" android:versionName="001" package="futurestate.app.droid">
    <uses-sdk android:minSdkVersion="12" android:targetSdkVersion="14" />
    <application android:label="FutureState App Demo" android:icon="@drawable/Icon" Theme="@style/FsmTheme" />
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.INTERNET" />
</manifest>

I'm not sure what else I would need to do to get the theme to take in the app.

Answer 1

You can use Attributes to modify values in the AndroidManifest.xml, for example this changes the theme to holo light:

[Activity(
    Label = "Foobar",
    MainLauncher = true,
    Theme = "@android:style/Theme.Holo.Light"
)]
public class MainActivity : Activity { ... }

You can also do this at the Application level.

But for your specific problem, it seems that you are naming your style files FsmTheme.xml . That is incorrect. You must name any styling resources styles.xml , so if you rename your files to Resources/values/styles.xml and Resources/values-v11/styles.xml everything should work as expected.

Answer 2

The breakdown is on this line.

<application android:label="FutureState App Demo" android:icon="@drawable/Icon" Theme="@style/FsmTheme" />

Some of the tutorials out there show

Theme="@style/ThemeName"

but you should actually structure it the same as the rest of the element

android:theme="@style/ThemeName"

So the final structure will read

<application android:label="FutureState App Demo" android:icon="@drawable/Icon" android:theme="@style/FsmTheme" />