如何访问我的 AndroidManifest.xml 文件中的 BuildConfig 值? [英] How can I access a BuildConfig value in my AndroidManifest.xml file?
问题描述
是否可以从 AndroidManifest.xml 访问 BuildConfig 值?
Is it possible to access a BuildConfig value from AndroidManifest.xml?
在我的 build.gradle 文件中,我有:
In my build.gradle file, I have:
defaultConfig {
applicationId "com.compagny.product"
minSdkVersion 16
targetSdkVersion 21
versionCode 1
versionName "1.0"
// Facebook app id
buildConfigField "long", "FACEBOOK_APP_ID", FACEBOOK_APP_ID
}
FACEBOOK_APP_ID
在我的 gradle.properties 文件中定义:
FACEBOOK_APP_ID
is defined in my gradle.properties files:
# Facebook identifier (app ID)
FACEBOOK_APP_ID=XXXXXXXXXX
要在我的应用程序中使用 Facebook 连接,我必须将此行添加到我的 AndroidManifest.xml 中:
To use Facebook connect in my app, I must add this line to my AndroidManifest.xml:
<meta-data android:name="com.facebook.sdk.ApplicationId" android:value="@string/applicationId"/>
我想用gradle中定义的BuildConfig字段FACEBOOK_APP_ID
替换@string/applicationId
,如下所示:
I want to replace @string/applicationId
by the BuildConfig field FACEBOOK_APP_ID
defined in gradle, like this:
<meta-data android:name="com.facebook.sdk.ApplicationId" android:value="FACEBOOK_APP_ID"/>
使用 BuildConfig 可以吗?如果没有,我该如何实现?
Is that possible using BuildConfig? If not, how can I achieve this?
推荐答案
替换
buildConfigField "long", "FACEBOOK_APP_ID", FACEBOOK_APP_ID
与
resValue "string", "FACEBOOK_APP_ID", FACEBOOK_APP_ID
然后重建项目(Android Studio -> Build -> Rebuild Project).
then rebuild your project (Android Studio -> Build -> Rebuild Project).
这两个命令都会在项目构建期间生成生成值——第一种情况由 Java 常量组成,第二种情况由 Android 资源组成——但第二种方法将生成一个 string
资源值,它可以使用 @string/FACEBOOK_APP_ID
语法访问.这意味着它可以在清单和代码中使用.
The two commands both produce generated values - consisting of Java constants in the first case, and Android resources in the second - during project builds, but the second method will generate a string
resource value that can be accessed using the @string/FACEBOOK_APP_ID
syntax. This means it can be used in the manifest as well as in code.
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