Source min SDK version from project extension properties

Author: developernotes

README.md

@@ -6,7 +6,7 @@ SQLCipher for Android provides a library replacement for `android.database.sqlit
 
 ### Compatibility
 
-SQLCipher for Android supports Android API 16 and up on `armeabi-v7a`, `x86`, `x86_64`, and `arm64_v8a` architectures.
+SQLCipher for Android supports Android API 21 and up on `armeabi-v7a`, `x86`, `x86_64`, and `arm64_v8a` architectures.
 
 ### Contributions
 

README.md.template

@@ -6,7 +6,7 @@ SQLCipher for Android provides a library replacement for `android.database.sqlit
 
 ### Compatibility
 
-SQLCipher for Android supports Android API 16 and up on `armeabi-v7a`, `x86`, `x86_64`, and `arm64_v8a` architectures.
+SQLCipher for Android supports Android API <%=minSdkVersion%> and up on `armeabi-v7a`, `x86`, `x86_64`, and `arm64_v8a` architectures.
 
 ### Contributions
 

build.gradle

@@ -30,6 +30,7 @@ project.ext {
     } else {
         libraryVersion = "4.5.3"
     }
+    minSdkVersion = 21
     androidXSQLiteVersion = "2.2.0"
     roomVersion = "2.5.0"
     androidNdkVersion = "25.2.9519653"
@@ -65,7 +66,8 @@ task generateReadMe {
     def binding = [
                     libraryVersion: project.ext.libraryVersion,
                     androidXSQLiteVersion: project.ext.androidXSQLiteVersion,
-                    androidNdkVersion: project.ext.androidNdkVersion
+                    androidNdkVersion: project.ext.androidNdkVersion,
+                    minSdkVersion: project.ext.minSdkVersion,
                   ]
     def template = engine.createTemplate(reader).make(binding)
     readme.write(template.toString())

sqlcipher/build.gradle

@@ -6,7 +6,7 @@ android {
     compileSdkVersion 33
 
     defaultConfig {
-        minSdkVersion 21
+        minSdkVersion "${rootProject.ext.minSdkVersion}"
         targetSdkVersion 33
         versionCode 1
         versionName "${rootProject.ext.libraryVersion}"