如何针对不同的屏幕尺寸使用不同的操作栏尺寸？-HowdoIdotousedifferentactionbarsizesfordifferentscreensizes?

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In order to customize the size of the Action Bar for different screen sizes, you need to create a number of copies of styles.xml in your values folder. Then, customize the size of the the action bar under the theme declaration tag. Like if you want to set the Action Bar size at 600dp, do it like this:

为了针对不同的屏幕大小自定义操作栏的大小,您需要在values文件夹中创建styles.xml的许多副本。然后,自定义主题声明标记下的操作栏的大小。就像你想将Action Bar大小设置为600dp一样,这样做:

In this way you can have different action bar sizes for different screen sizes. And you can have as many of them as you want.

通过这种方式,您可以针对不同的屏幕尺寸使用不同的操作栏大小。你可以随心所欲地拥有它们。

Hope this helps.

希望这可以帮助。

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EDIT :

To have more control over the action bar you must replace your action bar with the new Toolbar.

要更好地控制操作栏,您必须使用新工具栏替换操作栏。

Make Toolbar in your res/layout/my_layout.xml

在res / layout / my_layout.xml中创建工具栏

and again in your res/layout-large-land/my_layout.xml or res/layout-large/my_layout.xml

再次在你的res / layout-large-land / my_layout.xml或res / layout-large / my_layout.xml中

then in your activity's onCreate()

然后在你的活动的onCreate()

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.my_layout);

    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar); 
}

setSupportActionBar(toolbar); will replace your ActionBar with the Toolbar! Now you can have different attributes within your different xml's

setSupportActionBar(栏);将用工具栏替换你的ActionBar!现在,您可以在不同的xml中拥有不同的属性

Also make sure the Theme you apply to your activity has NoActionBar Attribute

还要确保您应用于活动的主题具有NoActionBar属性

To add more.. You can read more about the android-design-support-library from the official blog post.

添加更多..您可以从官方博客文章中了解有关android-design-support-library的更多信息。

OLD :

The android documentation on supporting different devices is the appropriate approach to follow! You can have a good read from supporting-devices and tablets-and-handsets

关于支持不同设备的android文档是适当的方法!您可以从支持设备和平板电脑和手机中获得良好的读数

And specifically for supporting different screen sizes

并专门用于支持不同的屏幕尺寸

To optimize your user experience on different screen sizes, you should create a unique layout XML file for each screen size you want to support. Each layout should be saved into the appropriate resources directory, named with a - suffix. For example, a unique layout for large screens should be saved under res/layout-large/.

要优化不同屏幕尺寸的用户体验,您应为要支持的每种屏幕尺寸创建唯一的布局XML文件。每个布局都应保存到相应的资源目录中,以 - 后缀命名。例如,大屏幕的独特布局应保存在res / layout-large /下。

MyProject/
    res/
        layout/              # default (portrait)
            main.xml
        layout-land/         # landscape
            main.xml
        layout-large/        # large (portrait)
            main.xml
        layout-large-land/   # large landscape
            main.xml

and for icons

和图标

You should always provide bitmap resources that are properly scaled to each of the generalized density buckets: low, medium, high and extra-high density. This helps you achieve good graphical quality and performance on all screen densities.

您应始终提供适当缩放到每个广义密度桶的位图资源:低,中,高和超高密度。这有助于您在所有屏幕密度上实现良好的图形质量和性能。

MyProject/
    res/
        drawable-xhdpi/
            awesomeimage.png
        drawable-hdpi/
            awesomeimage.png
        drawable-mdpi/
            awesomeimage.png
        drawable-ldpi/
            awesomeimage.png