问题描述
是否有可能从AndroidManifest.xml中访问BuildConfig值?
Is it possible to access a BuildConfig value from AndroidManifest.xml?
在我build.gradle文件,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
要使用Facebook Connect在我的应用程序,我必须将此行添加到我的AndroidManifest.xml:
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"/>
我要替换的摇篮 @字符串/的applicationID
由BuildConfig领域 FACEBOOK_APP_ID
定义的,就像这样:
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"/>
这是可能的使用BuildConfig?如果没有,我怎么能做到这一点?
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
这两个命令都产生生成的类 - 包括Java的常数在第一种情况下,在第二Android的资源 - 但第二个方法将生成一个字符串
资源价值可以使用 @字符串/ FACEBOOK_APP_ID
语法来访问。这意味着它可以在清单以及在code可以使用
The two commands both produce generated classes - consisting of Java constants in the first case, and Android resources in the second - 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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