Added some obvious errors explanations

2 files changed, 10 insertions, 10 deletions

diff --git a/platform/android/export/export.cpp b/platform/android/export/export.cpp
index 441fa38bff..e019e5bd2f 100644
--- a/platform/android/export/export.cpp
+++ b/platform/android/export/export.cpp
@@ -598,7 +598,7 @@ class EditorExportPlatformAndroid : public EditorExportPlatform {
 				String dst_path = String("lib").plus_file(abi).plus_file(p_so.path.get_file());
 				Vector<uint8_t> array = FileAccess::get_file_as_array(p_so.path);
 				Error store_err = store_in_apk(ed, dst_path, array);
-				ERR_FAIL_COND_V(store_err, store_err);
+				ERR_FAIL_COND_V_MSG(store_err, store_err, "Cannot store in apk file '" + dst_path + "'.");
 			}
 		}
 		if (!exported) {
@@ -1666,7 +1666,7 @@ public:
 
 		DirAccessRef da = DirAccess::open("res://android");
 
-		ERR_FAIL_COND(!da);
+		ERR_FAIL_COND_MSG(!da, "Cannot open directory 'res://android'.");
 		Map<String, List<String> > directory_paths;
 		Map<String, List<String> > manifest_sections;
 		Map<String, List<String> > gradle_sections;
@@ -1942,7 +1942,7 @@ public:
 			//build project if custom build is enabled
 			String sdk_path = EDITOR_GET("export/android/custom_build_sdk_path");
 
-			ERR_FAIL_COND_V(sdk_path == "", ERR_UNCONFIGURED);
+			ERR_FAIL_COND_V_MSG(sdk_path == "", ERR_UNCONFIGURED, "Android SDK path must be configured in Editor Settings at 'export/android/custom_build_sdk_path'.");
 
 			_update_custom_build_project();
 
diff --git a/platform/android/file_access_jandroid.cpp b/platform/android/file_access_jandroid.cpp
index 5b8cf01138..d4c2a23aa0 100644
--- a/platform/android/file_access_jandroid.cpp
+++ b/platform/android/file_access_jandroid.cpp
@@ -94,13 +94,13 @@ void FileAccessJAndroid::seek(size_t p_position) {
 
 	JNIEnv *env = ThreadAndroid::get_env();
 
-	ERR_FAIL_COND(!is_open());
+	ERR_FAIL_COND_MSG(!is_open(), "File must be opened before use.");
 	env->CallVoidMethod(io, _file_seek, id, p_position);
 }
 
 void FileAccessJAndroid::seek_end(int64_t p_position) {
 
-	ERR_FAIL_COND(!is_open());
+	ERR_FAIL_COND_MSG(!is_open(), "File must be opened before use.");
 
 	seek(get_len());
 }
@@ -108,34 +108,34 @@ void FileAccessJAndroid::seek_end(int64_t p_position) {
 size_t FileAccessJAndroid::get_position() const {
 
 	JNIEnv *env = ThreadAndroid::get_env();
-	ERR_FAIL_COND_V(!is_open(), 0);
+	ERR_FAIL_COND_V_MSG(!is_open(), 0, "File must be opened before use.");
 	return env->CallIntMethod(io, _file_tell, id);
 }
 
 size_t FileAccessJAndroid::get_len() const {
 
 	JNIEnv *env = ThreadAndroid::get_env();
-	ERR_FAIL_COND_V(!is_open(), 0);
+	ERR_FAIL_COND_V_MSG(!is_open(), 0, "File must be opened before use.");
 	return env->CallIntMethod(io, _file_get_size, id);
 }
 
 bool FileAccessJAndroid::eof_reached() const {
 
 	JNIEnv *env = ThreadAndroid::get_env();
-	ERR_FAIL_COND_V(!is_open(), 0);
+	ERR_FAIL_COND_V_MSG(!is_open(), 0, "File must be opened before use.");
 	return env->CallIntMethod(io, _file_eof, id);
 }
 
 uint8_t FileAccessJAndroid::get_8() const {
 
-	ERR_FAIL_COND_V(!is_open(), 0);
+	ERR_FAIL_COND_V_MSG(!is_open(), 0, "File must be opened before use.");
 	uint8_t byte;
 	get_buffer(&byte, 1);
 	return byte;
 }
 int FileAccessJAndroid::get_buffer(uint8_t *p_dst, int p_length) const {
 
-	ERR_FAIL_COND_V(!is_open(), 0);
+	ERR_FAIL_COND_V_MSG(!is_open(), 0, "File must be opened before use.");
 	if (p_length == 0)
 		return 0;
 	JNIEnv *env = ThreadAndroid::get_env();