Camera permissions and album permissions use block to determine

The. h file

+ (void) Camaracanuse: (qtcamaracanuse) camaracanuse camaranotcanuse: (qtcamaranotcanuse) camaranotcanuse ShowAlert: ( BOOL) Showalert showmsg: (nsstring*) showmsg;

+ (void) Photocanuse: (qtphotocanuse) photocanuse photonotcanuse: (qtphotonotcanuse) photonotcanuse ShowAlert: (BOOL) Showalert showmsg: (nsstring*) showmsg;

In the. m file

Bottom to determine if camera permissions and photos are turned on

+ (void) Camaracanuse: (qtcamaracanuse) camaracanuse camaranotcanuse: (qtcamaranotcanuse) camaranotcanuse ShowAlert: ( BOOL) Showalert showmsg: (nsstring*) showmsg{

BOOL canuse = [self Camarahadauthorizationandshowalert:showalert showmsg:showmsg];

if (canuse) {

Camaracanuse (Canuse);

}else{

Camaranotcanuse (Canuse);

}

}

+ (void) Photocanuse: (qtphotocanuse) photocanuse photonotcanuse: (qtphotonotcanuse) photonotcanuse ShowAlert: (BOOL) Showalert showmsg: (nsstring*) showmsg {

BOOL canuse = [self Checkphotoauthorizationandshowalert:showalert showmsg:showmsg];

if (canuse) {

Photocanuse (Canuse);

}else{

Photonotcanuse (Canuse);

}

}

+ (BOOL) Camarahadauthorizationandshowalert: (bool) show ShowMsg: (nsstring*) showmsg{

NSString *mediatype = avmediatypevideo;//Or Avmediatypeaudio

Avauthorizationstatus authstatus = [Avcapturedevice authorizationstatusformediatype:mediatype];

NSLog (@ "---authorization status:--------%ld", (long) authstatus);

This status was normally not Visible-the Avcapturedevice class methods for discovering devices does not return devices the User is restricted from accessing.

if (Authstatus ==avauthorizationstatusrestricted) {

NSLog (@ "Restricted, Authorization Limit");

return NO;

}else if (authstatus = = avauthorizationstatusdenied) {

The user has explicitly denied permission for media capture.

NSLog (@ "Denied, Authorization Denied"); It's supposed to be this, if not allowed.

NSString *showstr = @ "Please allow access to the camera in the device's \ settings-privacy-camera \". ";

if (Strnotnil (showmsg)) {

Showstr = showmsg;

}

if (show) {

Uialertview *alert = [[Uialertview alloc] initwithtitle:@ "hint"

Message:showstr

Delegate:self

cancelbuttontitle:@ "OK"

Otherbuttontitles:nil];

[Alert show];

}

return NO;

}

else if (authstatus = = avauthorizationstatusauthorized) {//Allow access

The user has explicitly granted permission for media capture, or explicit user permission are not necessary for the Medi A type in question.

NSLog (@ "Authorized, authorized");

return YES;

}else if (authstatus = = avauthorizationstatusnotdetermined) {

EXPLICIT user permission is required for media capture, but the user have not yet granted or denied such permission.

[Avcapturedevice Requestaccessformediatype:mediatype completionhandler:^ (BOOL granted) {

if (granted) {//Click on Allow access when called

The media needs to capture the user's explicit permission, but the user has not granted or denied the license.

NSLog (@ "Granted access to%@", mediatype);

}

else {

NSLog (@ "Not granted access to%@", mediatype);

}

}];

return NO;

}else {

return YES;

NSLog (@ "Unknown authorization status!");

}

}

+ (BOOL) Checkphotoauthorizationandshowalert: (bool) show ShowMsg: (nsstring*) showmsg{

Alauthorizationstatus author = [Alassetslibrary authorizationstatus];

if (author = = Alauthorizationstatusrestricted | | author ==alauthorizationstatusdenied)

{

if (show) {

NSString *showstr = @ "Please allow access to the camera in the device's \ settings-privacy-photos \". ";

if (Strnotnil (showmsg)) {

Showstr = showmsg;

}

No permissions

Uialertview *alert = [[Uialertview alloc] initwithtitle:@ "hint"

Message:showstr

Delegate:self

cancelbuttontitle:@ "OK"

Otherbuttontitles:nil];

[Alert show];

}

Eclog (@ "album not Authorized");

return NO;

}else{

return YES;

Eclog (@ "album authorized");

}

}

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Camera permissions and album permissions use block to determine