优化细节

README.md

@@ -349,6 +349,25 @@ compileOptions {
 
 ```
 
+> 当使用的ZXingLite为 **v2.3.x** 以上版本时，即更新zxing至v3.5.1后；如果要兼容Android 7.0（N）以下版本（即：minSdk<24），需通过脱糖获得 Java 8 及更高版本 API。
+
+```gradle
+compileOptions {
+    // Flag to enable support for the new language APIs
+    coreLibraryDesugaringEnabled true
+    // Sets Java compatibility to Java 8
+    targetCompatibility JavaVersion.VERSION_1_8
+    sourceCompatibility JavaVersion.VERSION_1_8
+}
+
+```
+
+```gradle
+dependencies {
+    coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:1.2.2'
+}
+```
+
 更多使用详情，请查看[app](app)中的源码使用示例或直接查看[API帮助文档](https://jenly1314.github.io/projects/ZXingLite/doc/)
 
 ### 相关推荐

app/build.gradle

@@ -26,6 +26,7 @@ android {
 
 
     compileOptions {
+        coreLibraryDesugaringEnabled true
         sourceCompatibility JavaVersion.VERSION_11
         targetCompatibility JavaVersion.VERSION_11
     }
@@ -45,6 +46,8 @@ dependencies {
     implementation deps.androidx.appcompat
     implementation deps.androidx.constraintlayout
 
+    coreLibraryDesugaring deps.desugar_jdk
+
 //    implementation deps.kotlin
 //    implementation deps.corektx
 

versions.gradle

@@ -38,6 +38,8 @@ versions.zxing = "3.5.1"
 
 versions.camerax = "1.2.1"
 
+versions.desugar_jdk_libs = "1.2.2"
+
 versions.easypermissions = "3.0.0"
 
 ext.versions = versions
@@ -57,7 +59,6 @@ test.runner = "androidx.test:runner:$versions.runner"
 test.espresso = "androidx.test.espresso:espresso-core:$versions.espresso"
 deps.test = test
 
-
 //deps.kotlin = "org.jetbrains.kotlin:kotlin-stdlib:$versions.kotlin"
 //
 //deps.corektx = "androidx.core:core-ktx:$versions.coreKtx"
@@ -71,6 +72,8 @@ deps.camera_camera2 = "androidx.camera:camera-camera2:$versions.camerax"
 deps.camera_lifecycle = "androidx.camera:camera-lifecycle:$versions.camerax"
 deps.camera_view = "androidx.camera:camera-view:$versions.camerax"
 
+//desugar_jdk
+deps.desugar_jdk = "com.android.tools:desugar_jdk_libs:$versions.desugar_jdk_libs"
 
 //permission
 deps.easypermissions = "pub.devrel:easypermissions:$versions.easypermissions"

zxing-lite/build.gradle

@@ -27,6 +27,7 @@ android {
     }
 
     compileOptions {
+        coreLibraryDesugaringEnabled true
         sourceCompatibility JavaVersion.VERSION_11
         targetCompatibility JavaVersion.VERSION_11
     }
@@ -43,10 +44,13 @@ dependencies {
     androidTestImplementation deps.test.runner
     androidTestImplementation deps.test.espresso
 
+    coreLibraryDesugaring deps.desugar_jdk
+
     compileOnly  deps.androidx.appcompat
     api deps.zxing
     api deps.camera_core
     api deps.camera_camera2
     api deps.camera_lifecycle
     api deps.camera_view
+    
 }