Third-party apps in IOS app call their apps, open files

Depending on your needs, you will need to open Word, PDF, Excel and other files in your project, and add them in the Info.plist file.

<Key>Cfbundledocumenttypes</Key>    <Array>        <Dict>            <Key>Cfbundletypename</Key>            <string></string>            <Key>Lsitemcontenttypes</Key>            <Array>                <string>Com.microsoft.powerpoint.ppt</string>                <string>Public.item</string>                <string>Com.microsoft.word.doc</string>                <string>Com.adobe.pdf</string>                <string>Com.microsoft.excel.xls</string>                <string>Public.image</string>                <string>Public.content</string>                <string>Public.composite-content</string>                <string>Public.archive</string>                <string>Public.audio</string>                <string>Public.movie</string>                <string>Public.text</string>                <string>Public.data</string>            </Array>        </Dict>    </Array>

A third-party app opens a file that calls the following proxy method

/** Open File Call Agent @param application own app @param URL The sandbox address of the file when the third-party app is called @param sourceapplication the third-party app that calls our app who @param an Notation @return The return value is Yes*/-(BOOL) Application: (UIApplication *) application OpenURL: (nsurl *) URL sourceapplication: (Nullable NSString *) sourceapplication Annotation: (ID) annotation{if(Self.window) {if(URL) {nsstring*filenamestr =[url lastpathcomponent]; NSString*doc = [[Nshomedirectory () stringByAppendingPathComponent:@"Documents/localfile"] STRINGBYAPPENDINGPATHCOMPONENT:FILENAMESTR]; NSData*data =[NSData Datawithcontentsofurl:url];            [Data Writetofile:doc Atomically:yes]; NSLog (@"file is stored in a local folder"); }    }    returnYES;}

iOS calls third-party programs to open files, and third-party calls to their apps to open files

Third-party apps in IOS app call their apps, open files