Untitled
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javascript
a month ago
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document.addEventListener("deviceready", onDeviceReady, false); function onDeviceReady() { // Cordova is now initialized. Have fun! console.log("Running cordova-" + cordova.platformId + "@" + cordova.version); } let contacts = []; function addContact() { const name = document.getElementById("name").value; const phone = document.getElementById("phone").value; // Regular expression to validate phone number (e.g., allows digits, spaces, dashes, and parentheses) const phoneRegex = /^[0-9\s\-()]+$/; if (name && phone) { if ( phoneRegex.test(phone.trim()) && (phone.length == 11 || phone.length == 8) ) { contacts.push({ name, phone }); updateContactList(); document.getElementById("name").value = ""; document.getElementById("phone").value = ""; } else { alert("Please enter a valid phone number."); } } else { alert("Please enter both name and phone number."); } } function updateContactList() { const contactList = document.getElementById("contactList"); contactList.innerHTML = ""; contacts.forEach((contact, index) => { const li = document.createElement("li"); li.textContent = `${contact.name}: ${contact.phone}`; contactList.appendChild(li); }); } function saveContacts() { const jsonString = JSON.stringify(contacts, null, 2); if (window.cordova && window.cordova.file) { // Save on Android platform using Cordova window.resolveLocalFileSystemURL( cordova.file.externalDataDirectory, function (dir) { dir.getFile( "contacts.json", { create: true }, function (file) { file.createWriter(function (fileWriter) { fileWriter.onwriteend = function () { alert("File written successfully"); }; fileWriter.onerror = function (e) { console.error("Failed to write file: " + e.toString()); }; const blob = new Blob([jsonString], { type: "application/json" }); fileWriter.write(blob); }); }, function (error) { console.error("Error getting file: " + error.toString()); } ); }, function (error) { console.error("Error resolving file system URL: " + error.toString()); } ); } else { // Save on browser platform const blob = new Blob([jsonString], { type: "application/json" }); const url = URL.createObjectURL(blob); const a = document.createElement("a"); a.href = url; a.download = "contacts.json"; document.body.appendChild(a); a.click(); document.body.removeChild(a); } }
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