Remove the temporary folder associated with an iOS application using the Cordova plugin

Would it be possible to delete the Library directory in iOS where I am storing images within my app using the Cordova-plugin-file and Cordova-plugin-file transfer?

Seeking assistance from anyone who can help with this.

This is the code I have for downloading the image:

downloadImage: function(url, fileName) {
        var deferred = $q.defer();

        window.requestFileSystem(LocalFileSystem.PERSISTENT, 0, function(fs) {
                fs.root.getDirectory(
                    LOCAL_STORAGE_KEYS.app, {
                        create: true
                    },
                    function(dirEntry) {
                        // console.log(arguments);
                        dirEntry.getFile(
                            fileName, {
                                create: true,
                                exclusive: false
                            },
                            function(fe) {
                                console.log(arguments);

                                var p = fe.toURL();
                                console.log("In service the url path:", p);
                                fe.remove();
                                var ft = new FileTransfer();
                                console.log('File Transfer instance:', ft);
                                ft.download(
                                    encodeURI(url),
                                    p,
                                    function(entry) {
                                        console.log('In service the entry callback:', entry);
                                        if (entry && entry.toURL) {
                                            deferred.resolve(entry.toURL());
                                        } else {
                                            console.log('No entry:', arguments);
                                            deferred.resolve();
                                        }
                                    },
                                    function(err) {
                                        console.log('Getting rejected:', err);
                                        deferred.reject(err);
                                    },
                                    false,
                                    null
                                );
                            },
                            function() {
                                deferred.reject(new Error('get file  failed'));
                            }
                        );
                    }
                );
            },
            function() {
                deferred.reject(new Error('get directory failed'));
            });

        return deferred.promise;
    }    

Answer №1

Below is a code snippet demonstrating how to remove a directory and its contents using the cordova file plugin:

function clearDirectory() {
    if (ionic.Platform.isAndroid()) {
        window.resolveLocalFileSystemURL(cordova.file.externalRootDirectory, onFileSystemDirSuccess, fail);
    } else {
        window.requestFileSystem(LocalFileSystem.PERSISTENT, 0, onFileSystemDirSuccess, fail);
    }

    function onFileSystemDirSuccess(fileSystem) {
        var entry = "";
        if (ionic.Platform.isAndroid()) {
            entry = fileSystem;
        } else {
            entry = fileSystem.root;
        }
        entry.getDirectory("DIRECTORY_TO_DELETE", {
                create: true,
                exclusive: false
            },
            function(entry) {
                entry.removeRecursively(function() {
                    console.log("Successfully removed recursively");
                }, fail);
            }, getDirFail);
    }

    function getDirFail(error) {
        navigator.notification.alert("An error occurred");
    };

    function fail(error) {
        navigator.notification.alert("An error occurred");
    };
}

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