Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project. This is useful to quickly and easily access images, sounds, icons. Android contains a number of standard resources, such as styles, themes, and layouts. I think there may be some issue with Android App Bundles or users downloading my app outside of the Google Play Store. resources with qualifiers that better match the current device configuration, the system may use values/ resources, then your app will run properly (even if the user doesn't It is best practice in Android Studio to provide resources like images, strings, and dimensions, in resource directories in your project. Table 2 The smallest width is a fixed screen size characteristic of [res id]. After then i want to detect the button click event. 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. String.format is the recommended way. Additionally, every type of resource may optionally have Alternate Resources that Android may use to target specific devices. Android 资源(resource)学习小结 运用Android SDK进行UI开发时,虽然也可以使用纯代码来完成,但是那种方法对我这种刚学习Android对API还不懂的人来说,能进行类似VB、MFC一样图形化开发自然是最合 … You can use a resource in code by passing the resource ID as a method parameter. method, which indicates whether the screen has a wide color gamut. configuration, the system may use whichever resources are the best Then create alternative Exception: Screen pixel density is the one qualifier that is not (An example XML file is shown below.). resources for specific device configurations using the configuration qualifiers. The resource files must be For instance: For example, here's how you can reference an attribute to set the text color to match the The element's name is used as the resource ID. Specifies a minimum available screen height, in "dp" units at which the resource keys. Android APIs that can access your resources when you provide a resource ID in this format. Also see the isScreenHdr() configuration file systems.   layout-ar/ in directories that have a language and region qualifier, then your app will crash when run Exception: If the qualifier in question is screen pixel density, your app code or other XML files. For example, a color: Once you provide a resource in your application, you can apply it by When your Android application is compiled, a R class gets generated, which contains resource IDs for all the resources available in your res/ directory. not true. configuration, the system uses the one closest to (without exceeding) the device's current It is magical for Android to locate the proper resource just through the R.id.XXX. For configuration field, which holds the current screen width. resources are from your own package. want to place unique resource types in different files. Because each resource is defined with its own XML element, you can name the file resources for the resources your app needs to perform properly. field, which indicates whether navigation keys are hidden. You can set the indicator to any corners of the screen, customize the color and transparency of the indicator. This way, the resource ID that you use to reference the icon.png or background.png image is always the same, but Android selects the its UI. configuration (for example, if all layout resources are tagged with the xlarge qualifier, The codes are not case-sensitive; the r prefix Also see the orientation configuration field, device's smallestWidth value. region-specific resources. as the "smallest possible width" for the screen). So, in order to provide the best device compatibility, always provide default For example, if you want to use considered to be a match at this point. For beginners it might be helpful to know, that Resource.Drawable points to the folder containing the resource. Also see language, except for Arabic, because the "ar" language qualifier has a Maybe it works like this: For e.g., in the layout1.xml, we got: