Fix android missing proj & qgis resources on android (#4155)

Author: Withalion

.gitignore

@@ -11,17 +11,12 @@ core/merginsecrets.cpp
 test/temp_projects/
 test/temp_extra_projects/
 input.pro.user*
-app/android/assets/qgis-data/proj_custom/
-app/android/assets/qgis-data/projects/
-app/android/assets/qgis-data/proj
-app/android/assets/qgis-data/resources
-app/android/assets/projects/
+app/android/assets
 app/android/AndroidManifest.xml
+app/android/build.gradle
+app/android/.gradle
 *.gpkg-wal
 *.gpkg-shm
 Input_keystore.keystore
 CMakeLists.txt.user
-app/android/build.gradle
-app/android/.gradle/*
-app/android/.gradle
 .github/secrets/ios/LutraConsulting*.mobileprovision

CMakeLists.txt

@@ -380,16 +380,25 @@ endif ()
 # RESOURCES
 # ########################################################################################
 message(STATUS "Copying proj and qgis resources to android/assets/qgis-data")
-file(MAKE_DIRECTORY ${CMAKE_BINARY_DIR}/app/android/assets/qgis-data/resources)
+
+# On android we need to copy the resources into the source tree and then Qt will copy it
+# to the android build directory with QT_ANDROID_PACKAGE_SOURCE_DIR
+if (ANDROID)
+  set(ASSETS_DIR_PATH ${CMAKE_CURRENT_SOURCE_DIR})
+else ()
+  set(ASSETS_DIR_PATH ${CMAKE_BINARY_DIR})
+endif ()
+
+file(MAKE_DIRECTORY ${ASSETS_DIR_PATH}/app/android/assets/qgis-data/resources)
 file(COPY ${QGIS_RESOURCE_DIR}/qgis.db
-     DESTINATION ${CMAKE_BINARY_DIR}/app/android/assets/qgis-data/resources/
+     DESTINATION ${ASSETS_DIR_PATH}/app/android/assets/qgis-data/resources/
 )
 file(COPY ${QGIS_RESOURCE_DIR}/srs.db
-     DESTINATION ${CMAKE_BINARY_DIR}/app/android/assets/qgis-data/resources/
+     DESTINATION ${ASSETS_DIR_PATH}/app/android/assets/qgis-data/resources/
 )
 file(
   COPY ${PROJ_DIR}
-  DESTINATION ${CMAKE_BINARY_DIR}/app/android/assets/qgis-data/
+  DESTINATION ${ASSETS_DIR_PATH}/app/android/assets/qgis-data/
   PATTERN "*.cmake" EXCLUDE
   PATTERN "vcpkg*" EXCLUDE
 )