ios開發(fā)的系統(tǒng)兼容性問題解決
1:系統(tǒng)方法過時(shí)的注解
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingImage:(UIImage *)image editingInfo:(NSDictionary *)editingInfo NS_DEPRECATED_IOS(2_0, 3_0);
說明方法在2.0時(shí)代引入泼诱，3.0時(shí)代過時(shí)
2：系統(tǒng)不同版本方法的兼容性解決方案1 （最佳，不產(chǎn)生警告）
#if __IPHONE_OS_VERSION_MIN_REQUIRED < __IPHONE_5_0
if([picker respondsToSelector:@selector(dismissModalViewControllerAnimated:)]){
[picker dismissModalViewControllerAnimated:YES completion:nil];
}
else
#endif
{
[picker dismissViewControllerAnimated:YES completion:nil];
}
3：系統(tǒng)不同版本方法的兼容性解決方案2：（書寫方便咪奖，但是會(huì)產(chǎn)生警告）
if([picker respondsToSelector:@selector(imagePickerController:didFinishPickingMediaWithInfo:)]){
[picker dismissViewControllerAnimated:YES completion:nil];
}else{
[picker dismissModalViewControllerAnimated:YES];
}
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