修改eclipse项目为as项目

app/build.gradle

@@ -0,0 +1,38 @@
+plugins {
+    id 'com.android.application'
+}
+
+android {
+    compileSdkVersion 29
+    buildToolsVersion "30.0.2"
+
+    defaultConfig {
+        applicationId "com.chaoran"
+        minSdkVersion 8
+        targetSdkVersion 15
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+
+    lintOptions {
+        abortOnError false
+    }
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+}
+
+dependencies {
+    compile fileTree(dir: 'libs', include: ['*.jar'])
+}