aaa

example/解决编译难题

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+gradle下载 download maven-metadata.xml卡住问题
+
+buildscript {
+    repositories {
+        maven { url 'https://maven.aliyun.com/nexus/content/groups/public/' }
+        maven { url 'https://maven.aliyun.com/repository/public' }//jcenter
+        maven { url 'https://maven.aliyun.com/repository/gradle-plugin' }//gradle-plugin
+        maven { url 'https://maven.aliyun.com/repository/central' }//central
+        maven { url 'https://maven.aliyun.com/repository/google' }//google
+        google()
+        jcenter()
+        mavenCentral()
+
+        maven { url "https://jitpack.io" }
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:3.4.3'
+        classpath 'com.google.gms:google-services:4.3.4'
+
+        classpath 'com.google.firebase:firebase-crashlytics-gradle:2.3.0'
+        // NOTE: Do not place your application dependencies here; they belong
+        // in the individual module build.gradle files
+        //classpath 'com.huawei.agconnect:agcp:1.3.2.301'
+    }
+}
+
+allprojects {
+    repositories {
+        maven { url 'https://maven.aliyun.com/nexus/content/groups/public/' }
+        maven { url 'https://maven.aliyun.com/repository/public' }//jcenter
+        maven { url 'https://maven.aliyun.com/repository/gradle-plugin' }//gradle-plugin
+        maven { url 'https://maven.aliyun.com/repository/central' }//central
+        maven { url 'https://maven.aliyun.com/repository/google' }//google
+        google()
+        jcenter()
+        //maven{url "https://maven.google.com"}
+        maven { url "https://jitpack.io" }
+        //maven {url 'http://developer.huawei.com/repo/'}
+        flatDir {
+            dirs 'libs'
+        }
+
+    }
+}
+
+注释掉google（）
+问题最终解决了