iOS开发之打开系统设置通知权限页面
<div class="cnblogs_code"><pre>- (<span style="color: rgba(0, 0, 255, 1)">void</span><span style="color: rgba(0, 0, 0, 1)">)viewDidAppear:(BOOL)animated <br>{<br> //首先判断应用通知是否授权，注意iOS10.0之后方法不一样
</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)">)) {
[ 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)"> UNAuthorizationStatusNotDetermined)
{
NSLog(</span><span style="color: rgba(128, 0, 0, 1)">@"</span><span style="color: rgba(128, 0, 0, 1)">未选择</span><span style="color: rgba(128, 0, 0, 1)">"</span><span style="color: rgba(0, 0, 0, 1)">);
;
}</span><span style="color: rgba(0, 0, 255, 1)">else</span> <span style="color: rgba(0, 0, 255, 1)">if</span> (settings.authorizationStatus ==<span style="color: rgba(0, 0, 0, 1)"> UNAuthorizationStatusDenied){
NSLog(</span><span style="color: rgba(128, 0, 0, 1)">@"</span><span style="color: rgba(128, 0, 0, 1)">未授权</span><span style="color: rgba(128, 0, 0, 1)">"</span><span style="color: rgba(0, 0, 0, 1)">);
;
}</span><span style="color: rgba(0, 0, 255, 1)">else</span> <span style="color: rgba(0, 0, 255, 1)">if</span> (settings.authorizationStatus ==<span style="color: rgba(0, 0, 0, 1)"> UNAuthorizationStatusAuthorized){
NSLog(</span><span style="color: rgba(128, 0, 0, 1)">@"</span><span style="color: rgba(128, 0, 0, 1)">已授权</span><span style="color: rgba(128, 0, 0, 1)">"</span><span style="color: rgba(0, 0, 0, 1)">);
}
}];
} </span><span style="color: rgba(0, 0, 255, 1)">else</span><span style="color: rgba(0, 0, 0, 1)"> {
</span><span style="color: rgba(0, 0, 255, 1)">if</span> ([ currentUserNotificationSettings].types == <span style="color: rgba(128, 0, 128, 1)">0</span><span style="color: rgba(0, 0, 0, 1)">) {
;
}
}
}
<br>/** 跳转系统设置方法*/
</span>- (<span style="color: rgba(0, 0, 255, 1)">void</span><span style="color: rgba(0, 0, 0, 1)">)opentNotificationAlert <br>{
</span><span style="color: rgba(0, 128, 0, 1)">/*</span><span style="color: rgba(0, 128, 0, 1)">*< 弹出框 </span><span style="color: rgba(0, 128, 0, 1)">*/</span><span style="color: rgba(0, 0, 0, 1)">
UIAlertController </span>*alertController = [UIAlertController alertControllerWithTitle:<span style="color: rgba(128, 0, 0, 1)">@"</span><span style="color: rgba(128, 0, 0, 1)">推送通知关闭</span><span style="color: rgba(128, 0, 0, 1)">"</span><span style="color: rgba(0, 0, 0, 1)">
message:</span><span style="color: rgba(128, 0, 0, 1)">@"</span><span style="color: rgba(128, 0, 0, 1)">请前往打开通知，获取更多精彩瞬间！</span><span style="color: rgba(128, 0, 0, 1)">"</span><span style="color: rgba(0, 0, 0, 1)">
preferredStyle:UIAlertControllerStyleAlert];
[alertController addAction:[UIAlertAction actionWithTitle:</span><span style="color: rgba(128, 0, 0, 1)">@"</span><span style="color: rgba(128, 0, 0, 1)">取消</span><span style="color: rgba(128, 0, 0, 1)">"</span> style:UIAlertActionStyleDefault handler:^(UIAlertAction *<span style="color: rgba(0, 0, 0, 1)"> _Nonnull action) {
}]];
[alertController addAction:[UIAlertAction actionWithTitle:</span><span style="color: rgba(128, 0, 0, 1)">@"</span><span style="color: rgba(128, 0, 0, 1)">确定</span><span style="color: rgba(128, 0, 0, 1)">"</span> style:UIAlertActionStyleDefault handler:^(UIAlertAction *<span style="color: rgba(0, 0, 0, 1)"> _Nonnull action) {
;
</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)">)) {
</span><span style="color: rgba(0, 0, 0, 1)"> [ openURL: options:@{} completionHandler:nil];
} </span><span style="color: rgba(0, 0, 255, 1)">else</span><span style="color: rgba(0, 0, 0, 1)"> {
[ openURL:];<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">prefs:root=服务&path=项目</span>bundleID<br> } </pre>
<pre><span style="color: rgba(0, 0, 0, 1)"> }]; <br> ; <br>}</span></pre>
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<p> </p><br><br>
来源：https://www.cnblogs.com/hecanlin/p/11239144.html
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