okhttp 网络优化

app/build.gradle

@@ -23,6 +23,10 @@ android {
             outputFileName = "LocationServer.apk"
         }
     }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
 }
 
 dependencies {
@@ -34,6 +38,8 @@ dependencies {
     androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
     implementation  'com.amap.api:location:4.5.1'
     implementation 'com.amap.api:map2d:5.2.0'
+    implementation("com.squareup.okhttp3:okhttp:3.14.1")
+    implementation 'com.google.code.gson:gson:2.8.2'
 
 
 }