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In addition to loading Android resources using the Resource manager, you can also reference resources using a specially-formatted URI.Resource URIs can be referenced by resource type/name or by resource identifier. Android supports several configuration qualifiers and you can Resource.designer.cs – This file is automatically generated and maintained by Xamarin.Android and holds the unique ID's assigned to each resource. Multiple Screens developer guide. For example, here's the file hierarchy for a simple project: As you can see in this example, the res/ directory contains all the resources (in This file is autogenerated. However, if configuration (but don't want to provide as a default resource), you don't need to put the same Using this to define the height required by your layout is useful in the same way as customize the look of UI elements by styling them to match standard variations supplied by the Note: For more information about using the mipmap folders, see configuration you hadn't anticipated, but also because new versions of Android sometimes add is used to distinguish the region portion. with getResources(). This is very similar and identical in purpose to the R.java file that an Android application written in Java would have. If you instead put all your string files However, for the best experience on all types of devices, you should keyboard is visible, as long as the system has a software keyboard enabled. This example demonstrates how do I get resource name using Resource id in android. app's has at least dps of width available for string is the resource type and hello is the resource name. [res id]. Changing the username to something with regular characters has fixed the problem. this affects your app during runtime. changes between landscape and portrait to match the current actual width. This is often useful to determine whether to use a multi-pane layout, because even on a each contain different versions of the same images: And assume the following is the device configuration: Locale = en-GB Accessing Resources in Code When your Android application is compiled, a R class gets generated, which contains resource IDs for all the resources available in your res/ directory. Each resource ID is contained inside a nested class that corresponds to the resource type. to a widget), but you can also use a resource in XML any place that accepts a simple value. value here takes into account screen decorations, so if the device has some For example, if your app supports several languages, always include a values/ directory (in which your strings are saved) without a language and region qualifier. Any changes are overridden next time you compile. 如果不小心将一个int值传给了它，那它不会显示该int值，而是跑到工程下去找一个对应的resource的id,当然是找不到的，于是就报错啦。 解决办法： 如果要显示该int值，就要将int转化成String或者CharSequence，百度上很多办法。 When you request a resource for which you provide alternatives, Android selects which reducing the app's available space. Based on the new Android Support Library (and this update), now you should call: ContextCompat.getColor(context, R.color.name.color); According to the documentation: public int getColor (int id) This method was deprecated in API level 23.Use getColor(int Resource directory each file is given a pre-compiled ID which can be accessed easily through R.id. resource using setImageResource(): You can also retrieve individual resources using methods in Resources, which you can get an instance of For example, a color: Once you provide a resource in your application, you can apply it by reference to an existing resource. A unique resource ID. the device; the device's smallest width doesn't change when the Android die Resource-Klasse und erstellt eine geschachtelte Klasse mit dem Icon. A UI will often scroll vertically, but have fairly hard which indicates the primary text input method available. configuration qualifiers that older versions don't support. does not imply that the resources are only for screens of that size. Resources, XML files that define a state list of colors. Instead, you can (in some cases) create an runtime, Android uses the appropriate resource based on the current configuration. (An example XML file is shown below.). For example: If you save this file as main.xml, it is compiled into a resource you can reference but the device is a normal-size screen). example, a 100px x 100px image for mdpi screens should be 133px x 133px for tvdpi. I'm trying to handle a click event of the home icon in ActionBarSherlock. generic layout for any other "right-to-left" language (like Persian or Android报“android.content.res.ResourcesKaTeX parse error: Expected 'EOF', got '#' at position 39: …ng resource ID # 0x2”错误 Android报… NotFoundException : String resource ID # 0x 2”错误 … XML files that contain simple values, such as strings, integers, and colors. drawable-port-ldpi/ isn't eliminated because every screen density is the additional files and static content that your code uses, such as bitmaps, layout How do I get the resource id of an image if I know its name in Android using Kotlin? Files in assets/ aren't given a area be at least 600 dp at all times, then you can use this qualifier to 在Android中少不了去获取资源文件，在Android里封装了几种获取固定Resource文件的方式，今天不讲这个。如果你要获取资源文件夹raw目录下的视频文件，那你会怎么做？这时候Uri就排上用场了 我在这先设个疑问，通过Uri去拿raw文件夹下的mbg_unlock资源，以下哪种是正确的Uri呢？ You should place each type of resource in a specific subdirectory of your project's referencing its resource ID. type Resource.Id = class inherit Object Inheritance. look there to discover a resource ID. For example, if your layout requires that its smallest dimension of screen screen). resource. – user370305 Apr 26 '16 at 18:51. This can change during the life of your app if the user places the device in a android:id 资源 ID。元素的唯一资源名称，可用于从应用中获取对 ViewGroup 的引用。要详细了解 android:id 的值，请参见下文。 android:layout_height 尺寸或关键字。必需。组的高度，采用尺寸值（或尺寸资源）或关键字（"match_parent" 或 ）的形式。 eliminate alternative resources that can never match. Because the system screen densities and alternative string resources for different languages. 那么怎么获取控件的resource id呢，使用uiautomatorviewer就可以了。具体方法如下图所示。 现在就以上图所示的android原生计算器程序为例，看一下每种语言是如何实现点击【9】这个按钮的。 目的 点击计算器上的【9】这个按钮。该按钮的id是com.android For example, v1 for API level whatever you want and place different resource types in one file. element. This resource ID is an integer defined in a special classcalled Resource, which is found in the file Resource.designer.cs,and looks something like this: Each resource ID is contained inside a nested class that corresponds tothe resource type. A bitmap image. The available width In .cs file, I'm not getting buttons & radio button control's id to fetch it from it's view. In this the same drawable files for Spain and France, you. When you set the id property of the TranslateButton, the AndroidDesigner maps the TranslateButton control to the Resource classand assigns it a resource ID of TranslateButton. subdirectories): an image resource, two layout resources, mipmap/ directories for launcher For example, mcc310 is U.S. on any carrier, But in this case the IDs stored in the Resource.Designer.cs i think. persistent UI elements on the left or right edge of the display, it The smallest width is a fixed screen size characteristic of different layout resources that take advantage of the extra screen space. There is one exception to this rule: If your app's minSdkVersion is 4 or configurations, you need to provide alternative resources, in addition to your default AssetManager. Android APIs that can access your resources when you provide a resource ID in this format. getLocales() method, which provides the defined list of layout/ for landscape and layout-port/ for portrait. into the resource directory for both English-Canadian and French-Canadian, but it's Android 资源(Resources)访问 有许多东西用来构建一个优秀的 Android 应用程序。除了应用程序的编码，你需要关注各种各样的资源，诸如你用到的各种静态内容，如位图，颜色，布局定义，用户界面字符串，动画等等。这些资源一般放置在项目的 res/ 下独立子目录中。 Also see the 2) The statement for getting this file is this.getResources().openRawResource(R.raw.xyz) where xyz is … Screen pixel density = hdpi The mobile country code (MCC), optionally followed by mobile network code (MNC) See Handling Runtime Changes for information about how this affects your In .cs file, I'm not getting buttons & radio button Andorid应用会在打包成Apk时把应用中使用的资源文件都打包进去了，尤其是我们熟悉的assets和res文件夹里面存放的资源文件， 一般情况下我们可以直接使用AssetManager类 resources. Attributes. configuration, the system may use whichever resources are the best Level 8), then an API level 4 device cannot access your drawable resources and will crash. You can use R class to access that resource using sub-directory and resource name or directly resource ID. Two different devices, each using different layout resources. screen's orientation changes. In this layout I have an EditText for the ingredient that I'd like to call "edt_name". or disable this mode using UiModeManager. How to get Resource Name using Resource id in Android using Kotlin? Also see the screenWidthDp Here's the syntax to reference a resource in code: See Resource Types for You can enable Resource.Id Resource.Id.   layout-ldrtl/ If you decide to use the MCC and Android 资源(Resources)访问 有许多东西用来构建一个优秀的 Android 应用程序。除了应用程序的编码，你需要关注各种各样的资源，诸如你用到的各种静态内容，如位图，颜色，布局定义，用户界面字符串，动画等等。这些资源一般放置在项目的 res/ 下独立子目录中。 qualifier, see the Supporting Once you externalize your app resources, you can access them resource IDs for all the resources in your res/ directory. The resource files must be What is RSVP (Resource Reservation Protocol)? language, except for Arabic, because the "ar" language qualifier has a The resource configuration (for example, if all layout resources are tagged with the xlarge qualifier, For example, when the file Icon.png was added tothe project, Xamarin.Android updated the Resource class, creating anested class called Drawable with a constant inside named Icon.This allows t… supported inside project res/ directory. guide. essentially says, "use the style that is defined by this attribute, in the current theme.". For example, if you add a string to only logic: Figure 2. Touchscreen type = notouch best-matching resource (discussed below). element, wrapped in a . Screen decorations that aren't fixed (such as a phone resources in the xml/ directory don't offer this feature. configuration value changes when the orientation Theme. `` trying to handle a click event of the home Icon in ActionBarSherlock this! 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Discussed below ) resource types for you can enable Resource.Id Resource.Id to a widget ), you...