增加签名

app/build.gradle

@@ -5,6 +5,14 @@ plugins {
 android {
     compileSdkVersion 33
 
+    signingConfigs {
+        release {
+            storeFile file('DeleteAllContacts.jks')
+            storePassword 'pee2ueC7'
+            keyAlias 'key0'
+            keyPassword 'pee2ueC7'
+        }
+    }
     defaultConfig {
         applicationId "me.yoqi.deleteallcontacts"
         minSdkVersion 16
@@ -28,8 +36,8 @@ android {
         }
     }
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
+        sourceCompatibility JavaVersion.VERSION_11
+        targetCompatibility JavaVersion.VERSION_11
     }
     flavorDimensions 'flavor1'
     productFlavors {