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meta-data 占位符的引用
2022-07-27 14:55:00 【CAir2】
参考博客:
https://blog.csdn.net/weixin_30378311/article/details/97071152
https://blog.csdn.net/tushiba/article/details/96862824
https://android.zhizuobiao.com/android-18091800052/
在上一篇关于关于如何多渠道打包中我们使用了变量${channelName},下面我们讲解关于Android占位符的基本使用。

- 在app的
build.gradle中定义manifestPlaceholders的key和val,根据自己需要选择定义位置,例如在defaultConfig或者buildTypes又或者如上文打包中在productFlavors。
下面我们将以defaultConfig定义channelNum为例,展示占位符的基本使用。
- 在
AndroidManifest.xml中引用变量
- 生成apk,验证变量值

注意:由于manifestPlaceholders是map类型,所以为了避免值被覆盖最好使用+=否则会被覆盖,引用的时候提示错误
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