iOSAppLanguageSwitchDemo/Class/NSBundle+AppLanguageSwitch.m

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2017-06-13 19:04:41 +08:00
//
// NSBundle+AppLanguageSwitch.m
// https://github.com/zengqingf/iOSAppLanguageSwitch
//
// Created by zengqingfu on 2017/6/13.
// Copyright © 2017 zengqingfu. All rights reserved.
//
#import "NSBundle+AppLanguageSwitch.h"
#import <objc/runtime.h>
NSString * const ZZAppLanguageDidChangeNotification = @"cc.devfu.languagedidchange";
static const char kBundleKey = 0;
@interface ZZBundleEx : NSBundle
@end
@implementation ZZBundleEx
- (NSString *)localizedStringForKey:(NSString *)key value:(NSString *)value table:(NSString *)tableName {
NSBundle *bundle = objc_getAssociatedObject(self, &kBundleKey);
if (bundle) {
return [bundle localizedStringForKey:key value:value table:tableName];
} else {
return [super localizedStringForKey:key value:value table:tableName];
}
}
@end
static NSString *AppLanguageSwitchKey = @"App_Language_Switch_Key";
@implementation NSBundle (AppLanguageSwitch)
+ (void)setCusLanguage:(NSString *)language {
id value = nil;
NSUserDefaults *df = [NSUserDefaults standardUserDefaults];
if (language) {
value = [NSBundle bundleWithPath:[[NSBundle mainBundle] pathForResource:language ofType:@"lproj"]];
NSAssert(value != nil, @"value不能为空,请检查参数是否正确");
[df setObject:language forKey:AppLanguageSwitchKey];
[df synchronize];
} else {
[df removeObjectForKey:AppLanguageSwitchKey];
[df synchronize];
}
objc_setAssociatedObject([NSBundle mainBundle], &kBundleKey, value, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
[[NSNotificationCenter defaultCenter] postNotificationName:ZZAppLanguageDidChangeNotification object:nil];
}
+ (NSString *)getCusLanguage {
NSUserDefaults *df = [NSUserDefaults standardUserDefaults];
NSString *language = [df objectForKey:AppLanguageSwitchKey];
return language;
}
+ (void)restoreSysLanguage {
[self setCusLanguage:nil];
}
+ (void)load {
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
object_setClass([NSBundle mainBundle],[ZZBundleEx class]);
NSString *language = [self getCusLanguage];
if (language) {
[self setCusLanguage:language];
}
});
}
@end