Add a GHA config for CI

.github/workflows/ci.yml

@@ -0,0 +1,54 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - master
+    paths-ignore:
+      - '.idea/**'
+      - '.gitattributes'
+      - '.github/**.json'
+      - '.gitignore'
+      - '.gitmodules'
+      - '**.md'
+      - 'LICENSE'
+      - 'NOTICE'
+  pull_request:
+    paths-ignore:
+      - '.idea/**'
+      - '.gitattributes'
+      - '.github/**.json'
+      - '.gitignore'
+      - '.gitmodules'
+      - '**.md'
+      - 'LICENSE'
+      - 'NOTICE'
+
+jobs:
+  wrapper-validation:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: gradle/wrapper-validation-action@v1
+
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-java@v3
+        with:
+          distribution: 'zulu'
+          java-version: 11
+      - uses: gradle/gradle-build-action@v2
+      - run: ./gradlew lint
+
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-java@v3
+        with:
+          distribution: 'zulu'
+          java-version: 11
+      - uses: gradle/gradle-build-action@v2
+      - run: ./gradlew sample:assembleDebug

sample/build.gradle

@@ -23,7 +23,7 @@ android {
 
   defaultConfig {
     applicationId "me.drakeet.multitype.sample"
-    minSdkVersion buildConfig.minSdkVersion
+    minSdkVersion 15
     targetSdkVersion buildConfig.targetSdkVersion
     versionCode buildConfig.versionCode
     versionName buildConfig.versionName