Firebaseデータベース認証変数は

Question

ドクが

Once a user authenticates, the auth variable in your Firebase Database Rules rules will be populated with the user's information. This information includes their unique identifier (uid) as well as linked account data, such as a Facebook id or an email address, and other info. 

を言うと、私はときに、これは私のルールです

Firebase Database error: Permission denied 

を返しますデータベースを読んでみてください行い、認証Googleと私のアプリではなく、機能しません：

{ 
    "rules": { 
    "msgs":{ 
    ".read": "auth != null && auth.provider == 'google'", 
    ".write":"auth != null && auth.provider == 'google'" 
    } 
    } 
} 

Answer 1

試してみてください！== null 2つの等号が必要です。