添加两个示例项目

androidxdemo/build.gradle

@@ -0,0 +1,26 @@
+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 30
+    buildToolsVersion "33.0.0"
+
+    defaultConfig {
+        applicationId "cc.winboll.studio.androidxdemo"
+        minSdkVersion 16
+        targetSdkVersion 26
+        versionCode 1
+        versionName "1.0"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    implementation 'androidx.appcompat:appcompat:1.0.0'
+	implementation 'com.google.android.material:material:1.0.0'
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+}