_apply plugin：'com.google.gms.google-services'_做什么？ [英] What does _apply plugin: 'com.google.gms.google-services'_ do?

问题描述

正确添加应用插件：'com.google.gms.google-services'做什么？如果我评论这一点，我的应用程序仍然会编译并运行。有关将Firebase添加到项目此处的详细信息。

解决方案

它按照这里。它还在 firebase-core 上添加了一个编译依赖项（如果尚不存在）。该依赖关系会导致 FirebaseInitProvider 合并放入您的清单中，该清单负责初始化默认 FirebaseApp ，并在构建阶段使用它所读取的资源。

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• Firebase如何在Android上进行初始化？

What does exactly adding apply plugin: 'com.google.gms.google-services' do? If I comment this, my app still will compile and run. More about adding Firebase to the project here.

解决方案

It reads resources out of your google-services.json file as described here. It also adds a compile dependency on firebase-core if not already present. That dependency will cause FirebaseInitProvider to get merged into your manifest, which is responsible for initializing a default FirebaseApp at app launch with the resources it read during the build phase.

If you want to learn more about Firebase app init, read:

• How does Firebase initialize on Android?
• Take Control of Your Firebase Init on Android

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