Path Example, Documents, Bundle

PathExample.m

#pragma mark - Defind Functions

- (void)copyBundleToDocuments{
    BOOL success;
    NSFileManager *fileManager = [NSFileManager defaultManager];
    NSError *error;
    //Document path
    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
    NSString *docDir = [paths objectAtIndex:0];
    NSString *docDBPath = [docDir stringByAppendingPathComponent:@"database.sqlite"];
    NSLog(@"docDBPath %@",docDBPath); //print xxx/Documents/database.sqlite
    
    if([fileManager fileExistsAtPath:appDBPath]){
        return;
    }
    //Bundle resource
    NSString *bundleDBPath = [[[NSBundle mainBundle] resourcePath] stringByAppendingPathComponent:@"database.sqlite"];
    NSLog(@"bundlePath %@",bundleDBPath); //print xxx/Myapp1.app/database.sqlite
    success = [fileManager copyItemAtPath:defaultDBPath toPath:appDBPath error:&error];
    if(!success){
        NSAssert1(0,@"Failed to create file with message '%@'.",[error localizedDescription]);
    }
    
}