小编Pau*_*tta的帖子

该项目一直运行良好，直到两天前突然发生错误。我不知道如何解决它，因为我已经做了我能做的一切，包括重新安装 android studio 和 gradle。

无法解析配置 ':app:debugCompileClasspath' 的所有文件。找不到与 com.google.android.gms:strict-version->matcher-plugin:[15.0.0, 16.0.0) 匹配的任何版本。不匹配的版本：1.1.0 1.0.3 1.0.2 1.0.1 1.0.0 需要：项目 :app > com.google.gms:google-services:4.2.0

build.gradle（应用程序）

apply plugin: 'com.android.application'

buildscript {
    repositories {
        mavenCentral()
        maven {
            url "https://maven.google.com"
        }
        jcenter()
    }

    dependencies {
        classpath 'com.android.tools.build:gradle:3.0.1'
      classpath 'com.google.gms:google-services:4.1.0'
    }
}

// Allow plugins to declare Maven dependencies via build-extras.gradle.
allprojects {
    repositories {
        mavenCentral();
        jcenter()
    }
}

task wrapper(type: Wrapper) {
    gradleVersion = '4.1.0'
}

// Configuration properties. Set these via environment variables, build-extras.gradle, or gradle.properties.
// …

为什么Another exception was thrown: FormatException: Invalid number (at character 1)在一切恢复正常之前，我的屏幕上会出现错误几微秒。有时它甚至不会发生。下面是我的 StreamBuilder 函数：

_delivered() {
    print('In the delivered function:${resId},${customerId}, ');
    return StreamBuilder<QuerySnapshot>(
        stream: Firestore.instance
            .collection('restaurants')
            .document(resId)
            .collection('customers')
            .document(customer)
            .collection('orders')
            .where('deliveryTime', isGreaterThan: '')
            .snapshots(),
        builder: (context, snapshot) {
          print('Does snapshop have data? ${snapshot.hasData}');
          if (!snapshot.hasData) return Container();

          List deliveredListFromServer = snapshot.data.documents;
          return Expanded(
            child: ListView(
              shrinkWrap: true,
              children: deliveredListFromServer.map((item) {
                print('document id: ${item.documentID}');
                return InkWell(
                  child: SizedBox(
                    height: 50,
                    child: Row(
                      crossAxisAlignment: CrossAxisAlignment.center,
                      children: <Widget>[
                        SizedBox(
                          width: 80,
                          child: Text( …