Update PluginTileProvider.m
if ([[options objectForKey:@"debug"] boolValue]) {
casting to boolean value, otherwise it's always YES.
MODIFY
src/ios/GoogleMaps/PluginTileProvider.m
src/ios/GoogleMaps/PluginTileProvider.m
@@ -32,7 +32,7 @@ NSDictionary *debugAttributes;
self.isDebug = NO;
- if ([options objectForKey:@"debug"]) {
+ if ([[options objectForKey:@"debug"] boolValue]) {
self.isDebug = YES;
tileRect = CGRectMake(0, 0 , self.tileSize, self.tileSize);
debugRect = CGRectMake(30, 30 , self.tileSize - 30, self.tileSize - 30);

Update PluginTileProvider.m

if ([[options objectForKey:@"debug"] boolValue]) {

casting to boolean value, otherwise it's always YES.