Add proguard rules for consumers

Author: eygraber

sqlcipher/build.gradle

@@ -12,6 +12,7 @@ android {
         versionName "${rootProject.ext.libraryVersion}"
         project.archivesBaseName = "sqlcipher-android-${versionName}"
         testInstrumentationRunner 'androidx.test.runner.AndroidJUnitRunner'
+        consumerProguardFile 'consumer-rules.pro'
     }
 
     buildTypes {

sqlcipher/consumer-rules.pro

@@ -0,0 +1,18 @@
+-keep class net.zetetic.** {
+  native <methods>;
+  private native <methods>;
+  public <init>(...);
+  long mNativeHandle;
+}
+
+-keepclassmembers class net.zetetic.database.sqlcipher.SQLiteCustomFunction {
+  public java.lang.String name;
+  public int numArgs;
+  private void dispatchCallback(java.lang.String[]);
+}
+
+-keepclassmembers class net.zetetic.database.sqlcipher.SQLiteDebug$PagerStats {
+  public int largestMemAlloc;
+  public int memoryUsed;
+  public int pageCacheOverflow;
+}