Graphical button iphone app işler

...to create a small PCB for a battery-powered hand heater - powerbank device. Features: - Small sizes of PCB: 16×75mm (it could be double-sided) - PCB work as BMS for lithium battery 3.7V, 4A. - Read temperature via thermistor (as example NTCLE100E3471JB0) - Include programmed controller with custom program. - Preset temperature programs: (40, 50, 60 °C), which users can adjust using a physical button. - Has 5 LEDs that indicate battery status and chosen program. - As powerbank support QC 3.0, Apple devices and Samsung devices - Ideal one USB type C port for charging either phones and PCB battery Detailed info for chips and components you can find in attached PDF Ideal Skills: - Experience with temperature regulated gadgets - Comfortable with implementing custom pro...

...might be put on in our daily life. Light uxiliary color or white color should take larger space of each package surface, don’t use pure color for any surface of the package. (buttom surface can be blank) The package surface should appear at least one character of our target group (either only elderly or younger and elderly, cannot be only younger) Package should shows these selling point: Large button, loud volumn, SOS, Dual Sim,long battery life (with simple words and sketch) Part 3. Make a simple manual sample base on the tone of new color that you use for the logo....

I'm currently experiencing a challenge with one specific page on our website when viewed using an iPhone. The problem lies in that the page will only display the very top, without allowing scroll down for full view. While the page works fine on desktop systems and on Android mobile phones, this problem with iPhone is an issue. Any changes causing this issue are uncertain. Requirement & Skills: - Proficiency in compatibility with webpages - Experience in troubleshooting website issues on iPhones - Understanding of potential impacts due to recent changes to the webpage. - HTML This is NOT the entire website it is just one page that does not scroll down on iphone.

I need a simple website similar to with a countdown to launch but the button will go to telegram group pre-launch and after it counts down to zero and launch is active then the button will go to location to buy/trade the token. will need an embedded youtube video, a some images and needs to be very modern and well designed and responsive. Other example:

I'm...fillable PDF forms for a machinery operation training course. The forms will be used for an assessment questionnaire aimed at gauging the understanding and knowledge of the trainees. •The first PDF form needs to have a range of questions that the trainees can answer through tick boxes labeled 'yes', 'no', and 'N/A'. Alongside, the form must feature a button to verify that the responses are correct. •The second form should only have a button to tick all the boxes. The ideal candidate for this project must have experience in creating PDF forms, preferably fillable ones. Understanding of machinery operation or industrial training could be an advantage but is not required. If you have related examples of your previous work, I ...

...text boxes and an ‘add’ button. There should be a SQLite data base with 3 tables. When I click ‘add’ button, the text in the 3 boxes will be saved to the 3 tables in SQLite. The page will also have a ‘view’ button that print all records of all 3 tables. There will also be 3 buttons: ‘partial’, ‘full’, and ‘export’. If click on ‘partial’ then it will save a copy of the SQLite database to the user’s iCloud but will only save table 1 and 2. If click ‘full’, it will save a copy of the SQLite database to the user’s iCloud and will include all 3 tables. If click ‘export’, then it will save a full copy of the SQLite database to the user’s dev...

...construct a new Windows operating system. This project requires experience with developing an OS, specifically Windows, and a deep understanding of its core functionalities. Details: - The family of Windows operating system have a specific look and feel which I would like replicated, while infusing it with unique components. - Essential specifications include multi-user capability and a graphical user interface. This OS should have the capacity to support multiple users concurrently as well as possess an engaging graphics-intensive interface. Key Functionalities: - File Management: Create a system that easily organizes, stores, and retrieves files. - Internet Browser: Development of a robust, secure, and speedy internet browsing feature. - Text Editor: Building...

I am looking for a skilled WordPress developer with WooCommerce experience to build a unique plugin for the checkout page. Key Features Required: - The plugin will feature a Verify button where the customer enters their phone number. - When clicked, the plugin should send an OTP to the customer's phone number, using the API I will provide. - The plugin must then verify the OTP entered by the customer. On successful verification, the user should be redirected to an order confirmation page. - If the OTP validation fails, the customer should be prompted to retry the process. Ideal candidate should have a deep understanding of the WooCommerce platform and must have had prior experience in developing similar plugins. They should be proficient in WordPress plugin development and s...

I am looking for someone who has UNITY PRO and UNITY XR installed, to create 3 buttons in the air for VISION PRO. I will provide all the 3D, I just need to convert it to vision pro button: 1 when touched it will rotate a cube button: 2 will deform a cube button: 3 hide a cube I need this work in 3 days and the budget starts at $ 160. USD IMPORTANT: if it does not work in vision pro, I DO NOT PAY. and I cancel the order. please watch the video attached

I'm looking to enrich my WIX website immediately with some fresh features, changes and additions. The project must be completed by Sunday night 5pm US mtn time and include unlimited revisions, additions and changes. Chat Button: When someone fills this in, I am advised both via text and email after they hit send. Also, after “send” is hit, a message would appear “Thank you for reaching out. We will get back to you as soon as possible” Contact Button: When someone fills this in, I am advised both via text and email after they hit send. Also after “send” is hit, a message would appear “Thank you for reaching out. We will get back to you as soon as possible” Contact Form: Must have * next to Name and Last Name. Also the * is ...

It's about designing a flag with a grand fusion of patriotism and political statement. It needs to be versatile; being pro-Trump, anti-Trump, pro-Biden, or anti-Biden depending on interpretation. Here is a hint of what I need: Should contain some notable slogan ("F#CK TRUMP, Le...interpretation. Here is a hint of what I need: Should contain some notable slogan ("F#CK TRUMP, Let's go Brandon, etc.) - Primarily, infuse elements of an American flag and a Bald Eagle for a patriotic feel - Additionally, incorporate elements that can be seen as symbolic to the USA - Make sure it’s versatile to support any political figure or stance Ideal skills and experience: - Creative graphical design - Knowledge of American symbolism - Sensitivity to political themes - A...

I am in need of a creative and professional logo for my accountant business. Below are the specific details about the p...line of work. However, it should maintain a balance between seeming too corporate and still displaying the accountant function especially since we work with numbers. - Style: The style of the logo should strike the right harmony between modernism and professionalism, while ensuring minimalism is considered. Ideal Skills and Experience: The ideal freelancer should have a flair for modern graphical elements, should be adept at color usage, and the ability to create minimalist designs. Experience in logo design, especially in the financial industry is a plus. I look forward to the submissions and appreciate your creativity and time. Detailed instructions on pd...

Requiero un reproductor de video que pueda exponer una transmisión en vivo en formato rtmp. Es una aplicación simple, sin interactividad. El usuario solo debe tocar el icono y la transmisión debería reproducirse a pantalla completa en cualquier dispositivo ANDROID y iPhone.

I seek ... a preliminary list could include common hotel amenities (fitness center, swimming pool, restaurant, etc.). - The surrounding attractions that visitors can explore should be highlighted on the page. Here, elements like engaging visuals and concise descriptions can be utilized to offer a vivid snapshot of the potential experiences. Additionally, we require a strategic placement of a 'book now' button to optimize conversions. The ultimate goal is to create an informative and visually engaging experience, which will entice visitors to explore our package and encourage bookings. Candidates with a proven track record in designing for the tourism industry or landing pages for similar services will be given more consideration. Please include relevant portfolio pieces ...

We're seeking multiple freelance iPhone photographers to collaborate on an exciting project involving product photoshoots right at the grocery store. These images will play a pivotal role in enhancing our food ordering app's visual representation of restaurant offerings. If you own an iPhone 10 or newer, possess an eye for capturing appealing product images, and are ready for a dynamic experience, we're excited to connect with you! Rabba fine foods

I have an application developed by another freelancer. The issue is, the cookies are not well saved. For example when we click on 'allow cookies' then we close the app completely ; when we reopen it the 'allow cookies' button is still there. It's also impacting the login feature that is not keeping the user in memory next time he open the app.

First, I need help creating a custom add-to-cart dropdown popup with its functionality. The popup ui already has been built. I want this add-to-cart to resemble the functionality, ease of use and feel of () when you add a product to their cart. They have the PayPal, Stripe switch button up top, as well as an upgrade to full access pass link below. Also, when adding multiple items to their cart, on the left of their cart dropdown they have a fixed scroll bar, so you can scroll through the products you've added into your cart. I think this is very nice. Also, when you hover over the product you can easily remove it from your cart. Only for experienced developers for this job.

I am experiencing difficulties with my WooCommerce checkout process. An error message stating "Error processing checkout. Please try again," is displayed after clicking the "Place Order" button on my site. This issue began to occur following an update to my WooCommerce plugin. I need an expert who is proficient with WooCommerce and WordPress, and can identify and resolve this issue. Here are the detailed project requirements: - Troubleshoot the issue causing the error message during the checkout process - Provide a solution and fix the problem to ensure a smooth checkout experience for my customers - This involves dealing with a website that uses a credit card processor as the payment gateway - The correction of any potential compatibility issues between the u...

...website design we have here: Understand that we hate this current design, just look at the functionality and make a completely new design with new ideas and innovations of your own adaptations. We even had in mind to remove everything from the home page and just have a post a job button in the centre. So use your own thoughts and ideas and lets see what grows from it. We are looking for a creative designer! Your entry has to be related to our website. It's a freelancer page named selfemploy, similar to this one. Logo, content, design and everything should be custom. What is MOST IMPORTANT TO US? The design needs to be easy to navigate, the colors of the design, backgrounds etc

...following: Integrated GUI/modal for fusionpbx (php). 1. select campaign or create new () 2. define extension number and survey name ( and ) 3 allow user to config the survey with adding N questions. Each question should allow user to define a label, select audio from the uploaded audio files. Also each question should allow the user to specify allowed responses (dtmf button presses) 4. Have a section for output statistics, auto email option, export to pdf (pretty report and I will provide the mockup) and/or csv data. Note: I will provide mockups to this 5. This should also be integrated with the permissions so I can set permission levels for me and my customers. Postgresql table I believe 3 tables are needed 1. Survey config 2. survey responses (one record per

** Please NO outside of freelancer contact - we are very busy and it hurts our business - keep it on here to be professional ** We need to take the existing postcard and clean it up with the correct information. See our other contest for the Hero side of this document. Layout should be similar with the following changes: The design Should allow our logo to have a white background. We would like to keep the Lower Left Element, and Upper Right Postage Area. The rest should be adjusted as follows. Contact us Today! Theater Design Company 206-203-8315 Sales @ Spaces do not need to be included @theaterdesignco Social media - social icons are good. New Hero image - attached ** Please NO outside of freelancer contact - we are very busy and it hurts our business - keep it...

Scope for Advertising Image Adjustment: Objective: Adjust the attached advertising postcard to align with existing marketing and graphical work. The goal is to maintain consistency with our brand by incorporating our logo and base business colors while accommodating various service categories. The new Hero image is attached! Format and Dimensions: Create a 5x7 postcard format image. Key Elements: Place our logo in the upper left corner. Place in bold Our Services Incorporate five service categories, labeled as Service 1 through Service 5. (These will change later) Utilize the lower portion for our social media handle (@theaterdesignco), phone number, and website address. Similar layout to the attached postcard. Looking to improve the overall look. Appears to busy now! Des...

...PHP, HTML, and CSS code to modify the layouts and data displayed on a couple WordPress Admin pages site for a specific plugin. The plugin developer has built a feature called "Overrides" for this purpose. What is an override? It's a technique to create a cl one / copy of a specific layout file that generates the graphical output of a specific page/content of the Plugin, or one of its Widgets. Imagine that you would like to remove a link from a page, or to add a text or a button. If you were to modify the original (core) file of the Plugin, then at its next update all your modifications would go lost. Instead, you can create an override for that specific layout file so that it will be preserved during the installation of the future updates. Key tasks: - Mo...

We are looking for someone to film the Wings For Wishes Professional Wing Eating Championship for Major League Eating on 3/9. The event is in Miami Florida. The ideal candidate will be able to capture the event using an iPhone (please film horizontally). Attention to detail and a good eye for capturing exciting moments are essential for this role. The footage will be used for promotional purposes on YouTube. Event info: The contest will take place at 2:15PM EST on Saturday, March 9th, 2024, at the 10th Annual Wings For Wishes located along San Ignacio Avenue, between SW 57th Avenue and Yumuri Street—and right behind Sports Grill at 1559 Sunset Drive—in Miami, FL 33143!

...proficient in HTML to create an engaging and user-friendly template. This will focus on security industry and will include specific pages and features. Design Requirements: - Login page - Start Shift button - tabs for main, novelties and incidents - on main tab guard will have a button to start break, will have his information on current shift (start shift time, breaks taken, date/time and length, and a button to end shift - Novelties tab will have a button to write a novelty, which will open a modal to write the novelty, select date and time of novelty, and attach an image. - Incidents tab will have a button to write a novelty, which will open a modal to write the novelty, select date and time of novelty, and attach an image. - On top will have an ic...

I'm in need of a skilled developer who can create an AI companion website with features similar to candy.ai. This project requires: - The development of 100 AI character profiles. - Design, build and implement an AI chatbot capable of text messaging and generating images. - Implement modern and minimalist graphical interface and underlying site design. - Facilitate personalized text responses from the AI character profiles. The ideal candidate will have significant experience with AI and chatbot development, as well as a strong understanding of modern, minimalist web design. Industry experience in text response personalization will be an added advantage.

I am looking for an experienced and creative app developer who can assist me in building an application that calculates spirometry values for children according to a new Brazilian equation. Main Requirements: * The app needs to function on both iOS and Android platforms. * I have a basic concept but will need assistance in creating a user-friendly and attractive design. * The key features of the app would include patient data entry, a calculation function based on the provided equation, and a results sharing option. * Besides, the app should offer graphical output to represent the calculated results visually. Ideal Skills: * Proficiency in iOS and Android app development. * Exceptional UI/UX design abilities. * Experience with medical or healt...

I have HTML and CSS for a fill in form that operates correctly in terms of how it accepts and processes information, and I would like you to change the appearance and layout to match an existing form. o Provided code is a Zoho CRM fo...functioning of the form. o Target look is our current form on our website: o Get rid of "Name (required)" and add the "(required)" after First Name and Last Name like the other labels o Otherwise, please have it match exactly: - Transparent background, so a background image or page color will show through - Color, size, font etc of the words - "Submit" button size shape color positioning - The exact layout of the white boxes, and how they change shape as you alter window width I'm ready to start this right awa...

I need help, I have a website on wordpress and I want to modify the contact form, at the moment it is created simply to enter the name and the number, but I want there to be a button to display the prices, first the name and the number are requested and then they are displayed a list with details, at the same time the data should be sent by email, please apply only people who really know, not those who would just like to try, make milestones immediately before starting work

...I have at hand. I need someone to upload an IPA file to TestFlight and handle the entire process on my behalf. Key Responsibilities: - Upload the provided IPA file to TestFlight - Provide complete management of the file on TestFlight - Ensure a seamless and successful upload Ideal Candidate: - A background in app development, specifically with iOS - Understanding of app development prerequisites, including provisioning profiles - Proficient in TestFlight for testing iPad/iPhone apps - Experience with troubleshooting and resolving technical issues - Excellent communication and project management skills Please note, the necessary certificates and provisioning profiles for this task are readily available. I need you to focus primarily on the upload and subsequent ...

I need a proficient Shopify developer to modify my online store's user interface. The task involves changing the existing "Add to Cart" & "Buy Now" buttons to an "Enquire Now" button. This button, when clicked, needs to: - Direct customers to a new page with an enquiry form. - The enquiry form should include fields for the customer's name, email, phone number, and a section for them to write their message. Suitable freelancers for this task should be proficient with Shopify's platform, HTML/CSS, and have experience in user experience design to ensure a seamless transition for users. Effective communication and understanding of project requirements is key. Your portfolio with similar examples will be appreciated.

As someo...in delivering exemplary performance. Creativity in terms of filters and effects, image manipulation capabilities like cropping and resizing, and text overlay features would definitely be a plus. Key Skills: - Proficiency in Adobe Photoshop - Genuine experience in software development, particularly applications compatible with multiple operating systems. - A comprehensive understanding of graphical user interface (GUI) design and image processing algorithms. - Creativity and a knack for delivering aesthetically pleasing and user-friendly designs. I'm expecting the project completion within a month. As such, proven ability to meet tight deadlines while delivering high-quality work is essential. Reviews confirming your timeliness will positively impact my choice...

I'm looking for an expert in Chrome extensions to do some change in my extension that.i am using but we need to do it urgent within 2 or 3 hours maximum - Strong expertise in Javascript and Chrome extension development - Proven track record in building Chrome extensions with customization features - Excellent understanding of browser tab management, synchronized data, and ...that.i am using but we need to do it urgent within 2 or 3 hours maximum - Strong expertise in Javascript and Chrome extension development - Proven track record in building Chrome extensions with customization features - Excellent understanding of browser tab management, synchronized data, and UI customization - Understanding of user behavior with the ability to intuitively place the ‘Adjust’ butt...

As part of my project, I am in need of a skilled Figma designer, particularly one with a strong background in UI/UX design. The task at hand involves designing specific elements for our website, to improve usability and increase conversions. Main Duties: - The main...ensure optimal user navigation and experience on the website. - A keen eye for creating attractive, user-friendly design elements is key. - Freelancers that have experience in designing landing pages, product selection bars, and banners will be favored. Initial specific tasks: 1x Page design tweaked to be more professional, targeting B2B clients plus 1x banner Few framework tweaks like adding a button etc Design a feature under the header, simple drop downs so users easily find the product they are after 5x homepa...

Developing an application on the Ryu controller in an SDN network. Initially, I aim to process data. Next, establish a AI agent for detecting and mitigating DDoS attacks. Finally, generate graphical curves to illustrate the results.

Hi Pandya Riddhiben K., I noticed your profile and would like to offer you my project. We can discuss any details over chat. To add button to software as discussed

...my specific requirements: The ideal candidate should possess a profound understanding of UX/UI design, wireframing and a strong proficiency in payment gateway integration. to deliver a editable wireframe via , miro , figma details step by step Step 1: Arrival from Merchant Website The user initiates the payment process on the merchant's website by clicking a "Checkout" or "Pay Now" button. They are redirected to the PSP's payment page via a POST request. This request includes the order information (items, amounts), customer information (at least the email), language preference, and return URLs for successful or failed transactions. Step 2: Language Setting and Page Customization The language of the payment page is determined by the language pr...

...and getting profit doint swap and exchange betwen dex for price difference profit or making swap betwen tokens to get price difference profit. Multi Blockchains: - Polygon - Ethereum - Solana - Binance Smart Chain - Arbitrum DEX: THE MOST TOP DEX FROM DEFILLAMA LIST PAIRS: GET ALL PAIRS POSSIBILITY WITH LIQIUIDY INSIDE MAKE UX DASHBOARD FOR VISUAL INFORMACION, AND PUT AUTOMATIC TRANSACTION BUTTON TO GET THE BOT ON AUTOMATIC MODE . The bot should feature several key functionalities: - A flashloan mechanism that can swiftly borrow, trade, and repay simultaneously in a single transaction. - An arbitrage trading ability to identify profitable discrepancies in digital asset prices across different Decentralized Exchanges (DEXs). - A comprehensive dashboard that effectively m...

...my operations. The developed system must interact competently with APIs, as the drop-down and radio buttons within the browsers are primarily configured to connect through them. Here are a few key points that freelancers should take note of: currently iam using a tampermonkey extension with dropdown and radio button javascript .but in all systems every day changing in al laptops so i need to connect with server api find the 1st document loaded in 5 laptops and click that radio button which saved in server. 2nd document 2nd saved pref etc. - Develop a system that can handle up to 30 different browsers. - Ensure efficient operations across all browsers, maintaining uniformity in function. - The system must be able to save preferences (Preference 1, Preference 2, Preferen...

I'm looking for a capable and efficient WordPress developer to perform some modifications specifically related to visual content on my website. Key tasks include: • Replacing and updating graphical content on the homepage of the website • Adjusting image settings to ensure optimal display across various devices • Uploading new images/videos and rearranging as per instructions Candidates should have proficiency in WordPress, a strong understanding of website structure and systems, and ideally have experience dealing with graphic design or visual elements online. I am looking for someone who can complete the task with accuracy, attention to detail, and in a timely manner. Good communication skills are essential to ensure understanding of the requirements. Pro...

I require an experienced developer to build an iPhone app that serves as a part of an established loyalty system. The app's primary function will be to add points to a user's record, interacting directly with the Smartsuites API. Key Features: - The ability to update a sub-item in a solution. - Integration with an RFID reader to capture the Fob Unique ID. - Capability to find a matching record for the given RFID. It would be beneficial if you had previous experience in building iPhone apps that work with APIs, specifically Smartsuites, and RFID technology. Understanding of the loyalty systems would also be highly valuable. Please ensure your bid includes an estimation of how long you believe the project will take, as well as any relevant examples of your p...

I am seeking a creative and experienced freelancer who can help me create presentations that are visually engaging and informative. The content delivery must be a combination of pictures, illustrations, words, and graphs to effectively relay information. Key Responsibilities: - Create a rich tapestry of data and insights through a combination of images, illustrations, text, and graphical data. - Leverage different types of illustrations as appropriate, priority is given to those that can capture people's attention. - Utilize data from spreadsheets to create compelling graphs as part of the presentation. Ideal Experience And Skills: - Proven experience in creating engaging presentations - Strong data visualization and infographic design skills - Ability to see the larger p...

I am on the hunt for a specialist with a knack for screen previews. I have an utility app for both iOS and Android platforms, and I need someone who can dive in and create impactful, informative previews to help stand out in the app store. Please check out the app in the app store: FuelX (only available in South Africa). A keen understanding of graphical app design and the focal points users look for is essential. • Ideal Skills and Experience: - Proven experience with iOS and Android design norms. - A portfolio showcasing successful screen previews. - Knowledge of utility app user preferences. - Ability to work within app store restraints and guidelines. - Creative flair to make our app stand out in a crowded market.

I need a professional with significant experience in PDF document restructuring. The task involves making multi-layered PDFs, consisting of both images and text, fully editable. Ideal services would enable: ...images and text, fully editable. Ideal services would enable: - Full document restructuring including changes in layout, design, and graphics - Incorporation of advanced form fields editing - Ensuring PDFs remain accessible for editing in future, per requirement Ideal skills: Comprehensive experience with PDF editing software, familiarity with digital design principles, ability to incorporate graphical elements. You should also have a good understanding of document sharing, printing, and data archiving practices. IF this first four page PDF goes well, we will have dozens m...

...outdated designs. I want to change the colors to make it more modern and minimalist, below are some references: Additionally: The password field should have a show/hide button and also validate if the password is secure. In the registration, there should be an option to choose the country and another field for language (en, es, pt), and in the "POST" send the country code in the internationalization standard, and in the field, it should be pre-filled with the location from which it is being accessed. In the registration, there should be

3D MOTION DESIGN TO PRESENT OUR B2B APP ‌ We’re looking for a 3D motion design animation to present our app, which helps companies to improve the communication with their clients through personalized content, instant notification and other functionalities. ‌ Delivery date: We’d like to have this work delivered in maximum one week, since our app will be soon released. All we’re asking for is a smooth work that captures the attention and which easily explains our app. ‌ We’re always available to keep in touch with the expert in order to follow every improvement of the project, but the expert will be totally independent while doing his/her work. ‌ Who will better fit: 3D and motion designers video and sound edit...

...engaging - Delivering all infographics in PNG format, ensuring they maintain their high quality when viewed on different platforms To be successful in this role, you should have: - Proven experience creating interactive infographics - A sound understanding of the educational technology landscape and how students learn - An ability to translate complex information into easily understandable graphical data - Proficiency in using infographic tools or software that can produce PNG outputs Example: ## **Level Up Your Skills: Become a Full-Stack Developer with SkillXup!** **Infographic Breakdown (Top to Bottom):** **1. Spark the Flame:** * Illustration: A lightbulb pops up above a student's head, symbolizing the spark of interest in full-stack development. * Text: "Dis...

My project involves the creation of a YouTube video player that works specifically on iPhones. I already have experience on creating youtube player for iOS by using Youtube video player + Youtube APi. But when i am trying to load a video which has +1 hour length, it only loads about 15 minutes and then stop. so i want to solve this. Please contact me if you have already experience on this.

1. I want an inventory management system where administrators can see the available totals, edit the inventory and also see which users have products to return, also when the user is already returning the inventory there is a button that automatically adds that value when pressed. quantity returned to available inventory. 2. Product Management: - Categorization by type of product (example: merchandising, uniforms, display material). - Condition of the product (new, in use, for design). - Labeling and basic description. - Registration and update from the administrative panel. 3. Access and User Profiles: - Access for customers: visibility on available products, ability to select products. - Administration of customer profiles in the administrative panel: tracking ...

Build a LWC component on Account object, Put a new button on Account object, upon clicking the button, based on the Account Name, it should invoke an API to fetch the results and show in a HTML Table as a popup or model window API: