Initial commit

2017-08-15 16:59:01 +08:00
commit bdc83e07ef
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+//
+//  NTESDevice.m
+//  NIM
+//
+//  Created by chris on 15/9/18.
+//  Copyright © 2015年 Netease. All rights reserved.
+//
+
+#import "NTESDevice.h"
+#import "Reachability.h"
+#import <CoreTelephony/CTTelephonyNetworkInfo.h>
+#import <sys/sysctl.h>
+#import <sys/utsname.h>
+
+#define NormalImageSize       (1280 * 960)
+
+
+@interface NTESDevice ()
+
+@property (nonatomic,strong)    NSDictionary    *networkTypes;
+
+@end
+
+@implementation NTESDevice
+
+- (instancetype)init
+{
+    if (self = [super init])
+    {
+        [self buildDeviceInfo];
+    }
+    return self;
+}
+
+
+ (NTESDevice *)currentDevice{
+    static NTESDevice *instance = nil;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        instance = [[NTESDevice alloc] init];
+    });
+    return instance;
+}
+
+- (void)buildDeviceInfo
+{
+    _networkTypes = @{
+                          CTRadioAccessTechnologyGPRS:@(NTESNetworkType2G),
+                          CTRadioAccessTechnologyEdge:@(NTESNetworkType2G),
+                          CTRadioAccessTechnologyWCDMA:@(NTESNetworkType3G),
+                          CTRadioAccessTechnologyHSDPA:@(NTESNetworkType3G),
+                          CTRadioAccessTechnologyHSUPA:@(NTESNetworkType3G),
+                          CTRadioAccessTechnologyCDMA1x:@(NTESNetworkType3G),
+                          CTRadioAccessTechnologyCDMAEVDORev0:@(NTESNetworkType3G),
+                          CTRadioAccessTechnologyCDMAEVDORevA:@(NTESNetworkType3G),
+                          CTRadioAccessTechnologyCDMAEVDORevB:@(NTESNetworkType3G),
+                          CTRadioAccessTechnologyeHRPD:@(NTESNetworkType3G),
+                          CTRadioAccessTechnologyLTE:@(NTESNetworkType4G),
+                     };
+}
+
+
+//图片/音频推荐参数
+- (CGFloat)suggestImagePixels{
+    return NormalImageSize;
+}
+
+- (CGFloat)compressQuality{
+    return 0.5;
+}
+
+
+//App状态
+- (BOOL)isUsingWifi{
+    Reachability *reachability = [Reachability reachabilityForInternetConnection];
+    NetworkStatus status =  [reachability currentReachabilityStatus];
+    return status == ReachableViaWiFi;
+}
+
+- (BOOL)isInBackground{
+    return [[UIApplication sharedApplication] applicationState] != UIApplicationStateActive;
+}
+
+- (NTESNetworkType)currentNetworkType{
+    Reachability *reachability = [Reachability reachabilityForInternetConnection];
+    NetworkStatus status =  [reachability currentReachabilityStatus];
+    switch (status) {
+        case ReachableViaWiFi:
+            return NTESNetworkTypeWifi;
+        case ReachableViaWWAN:
+        {
+            CTTelephonyNetworkInfo *telephonyInfo = [[CTTelephonyNetworkInfo alloc] init];
+            NSNumber *number = [_networkTypes objectForKey:telephonyInfo.currentRadioAccessTechnology];
+            return number ? (NTESNetworkType)[number integerValue] : NTESNetworkTypeWwan;
+        }
+        default:
+            return NTESNetworkTypeUnknown;
+    }
+}
+
+- (NSInteger)cpuCount{
+    size_t size = sizeof(int);
+    int results;
+    
+    int mib[2] = {CTL_HW, HW_NCPU};
+    sysctl(mib, 2, &results, &size, NULL, 0);
+    return (NSUInteger) results;
+}
+
+- (BOOL)isLowDevice{
+#if TARGET_IPHONE_SIMULATOR
+    return NO;
+#else
+    return [[NSProcessInfo processInfo] processorCount] <= 1;
+#endif
+}
+
+- (BOOL)isIphone{
+    NSString *deviceModel = [UIDevice currentDevice].model;
+    if ([deviceModel isEqualToString:@"iPhone"]) {
+        return YES;
+    }else {
+        return NO;
+    }
+}
+
+- (NSString *)machineName{
+    struct utsname systemInfo;
+    uname(&systemInfo);
+    return [NSString stringWithCString:systemInfo.machine encoding:NSUTF8StringEncoding];
+}
+
+
+- (CGFloat)statusBarHeight{
+    CGFloat height = [UIApplication sharedApplication].statusBarFrame.size.height;
+    if (!IOS8 && ([UIApplication sharedApplication].statusBarOrientation == UIInterfaceOrientationLandscapeLeft || [UIApplication sharedApplication].statusBarOrientation == UIInterfaceOrientationLandscapeRight)) {
+        height = [UIApplication sharedApplication].statusBarFrame.size.width;
+    }
+    return height;
+}
+
+
+@end