iOS开发之注册推送通知权限
<p>1、首先在工程设置开启通知权限（Push Notifications开关打开）</p><p><img src="https://img2018.cnblogs.com/blog/1347820/201905/1347820-20190521112357390-1099843882.png" alt=""></p>
<p> </p>
<p>2、注册通知权限，在此步骤会弹出用户授权提示</p>
<div class="cnblogs_code">
<pre></pre>
<p>#import <UserNotifications/UserNotifications.h></p>
<pre><span style="color: rgba(0, 0, 255, 1)"><br>if</span> ([.systemVersion floatValue] >= <span style="color: rgba(128, 0, 128, 1)">10.0</span><span style="color: rgba(0, 0, 0, 1)">){
</span><span style="color: rgba(0, 0, 255, 1)">if</span> (@available(iOS <span style="color: rgba(128, 0, 128, 1)">10.0</span>, *<span style="color: rgba(0, 0, 0, 1)">)) {
UNUserNotificationCenter </span>*center =<span style="color: rgba(0, 0, 0, 1)"> ;
__weak </span><span style="color: rgba(0, 0, 255, 1)">typeof</span>(self) weakSelf =<span style="color: rgba(0, 0, 0, 1)"> self;
[center requestAuthorizationWithOptions:(UNAuthorizationOptionAlert </span>| UNAuthorizationOptionBadge | UNAuthorizationOptionSound) completionHandler:^(BOOL granted, NSError *<span style="color: rgba(0, 0, 0, 1)"> _Nullable error) {
</span><span style="color: rgba(0, 0, 255, 1)">if</span><span style="color: rgba(0, 0, 0, 1)"> (granted) {
[center getNotificationSettingsWithCompletionHandler:</span>^(UNNotificationSettings *<span style="color: rgba(0, 0, 0, 1)"> _Nonnull settings) {
</span><span style="color: rgba(0, 0, 255, 1)">if</span> (settings.authorizationStatus ==<span style="color: rgba(0, 0, 0, 1)"> UNAuthorizationStatusAuthorized){
dispatch_async(dispatch_get_main_queue(), </span>^<span style="color: rgba(0, 0, 0, 1)">{
[ registerForRemoteNotifications];
});
}
}];
}
}];
}
} </span><span style="color: rgba(0, 0, 255, 1)">else</span> <span style="color: rgba(0, 0, 255, 1)">if</span> ([.systemVersion floatValue] >= <span style="color: rgba(128, 0, 128, 1)">8.0</span><span style="color: rgba(0, 0, 0, 1)">){
</span><span style="color: rgba(0, 0, 255, 1)">if</span> (@available(iOS <span style="color: rgba(128, 0, 128, 1)">8.0</span>, *<span style="color: rgba(0, 0, 0, 1)">)) {
</span><span style="color: rgba(0, 0, 255, 1)">if</span><span style="color: rgba(0, 0, 0, 1)"> ([ respondsToSelector:@selector(registerUserNotificationSettings:)]) {
UIUserNotificationSettings</span>* notificationSettings = ;
[ registerUserNotificationSettings:notificationSettings];
[ registerForRemoteNotifications];
} </span><span style="color: rgba(0, 0, 255, 1)">else</span><span style="color: rgba(0, 0, 0, 1)"> {
[ registerForRemoteNotificationTypes: (UIRemoteNotificationTypeBadge </span>| UIRemoteNotificationTypeSound |<span style="color: rgba(0, 0, 0, 1)"> UIRemoteNotificationTypeAlert)];
}
}
}</span></pre>
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<p>注意iOS8.0和iOS10.0之后需要用不同的方法</p>
<p>3、获取到远程推送的token值</p>
<p>在Appdelegate类中重写下面的方法</p>
<div class="cnblogs_code">
<pre>- (<span style="color: rgba(0, 0, 255, 1)">void</span>)application:(UIApplication *)application didRegisterForRemoteNotificationsWithDeviceToken:(NSData *<span style="color: rgba(0, 0, 0, 1)">)deviceToken
{
NSString </span>*token = ;
token </span>= ;
token </span>= ;
token </span>= ;
}<br></span></pre>
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<p> 获取到token值之后妥善保存，并传给服务器，服务器根据token值就可以通过APNS给app发送远程推送通知了啦。</p><br><br>
来源：https://www.cnblogs.com/hecanlin/p/10898783.html
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