添加扩展接口接入文档

 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 29
+    compileSdkVersion 28
     buildToolsVersion '29.0.2'
     defaultConfig {
         applicationId "com.ssjh.demo"
-        minSdkVersion 8
+        minSdkVersion 14
         targetSdkVersion 28
         versionCode 2
         versionName "1.0"
@@ -22,4 +22,16 @@ dependencies {
     implementation fileTree(include: ['*.jar', '*.aar'], dir: 'libs')
     //    implementation 'com.android.support.constraint:constraint-layout:1.0.2'
     //implementation files('libs/PoolSdk_V2_20200313.jar')
+//    implementation 'com.android.support:appcompat-v7:28.+'
+//    implementation 'com.android.support:support-v4:28.+'
+//
+//    implementation 'com.android.support.constraint:constraint-layout:1.1.3'
+//    implementation 'com.android.support:design:28.+'
+
+//    implementation 'com.appsflyer:af-android-sdk:5.4.1'
+//    implementation 'com.android.installreferrer:installreferrer:1.0'
+
+//    implementation 'com.google.android.gms:play-services-ads-identifier:16.0.0'
+    compile 'com.google.firebase:firebase-core:16.0.6'
+    compile 'com.google.firebase:firebase-messaging:17.3.4'
 }