It is often a misconception that having an in-depth knowledge about the programming language is what makes you a top developer. Make sure that you have enough idea about the android app development process as a whole – from conception of a project idea to marketing tactics. Even possessing a certain level of entrepreneurial spirit will prove beneficial in a developer’s career.

mobile app developer interview questions

Developers must be aware that the device on which they are testing their app is just one of thousands of devices their users will use. They have to check how the app looks in smaller phones, bigger phones, tablets, etc., and adapt the layout to them. Under the hood, a hybrid app is actually a web page displayed in a web view, so it is usually written in JavaScript and HTML. The developer must foresee rejecting and provide a way to still use some of the app’s features, which can work without the rejected sensor or data.

What are some specific advantages and disadvantages of both Android and iOS?

It’s quite certain that bugs might occur while app development. Your speed in determining where and what went wrong can portray that how good you are as a developer. If you are asked a question that you don’t know, tell them that you are not sure and then continue with the answer.

Mobile apps are a strong tool to leverage in today’s digital world. The difficulty lies in hiring the right mobile app developer for your project. Take the time to interview them thoroughly, as the right questions, and find out if the fee structure is a good fit for your business. PWAs or Progressive Web Applications are a hybrid concept between websites and native mobile applications.

What is iOS Testing Framework?

It has an onChangeText prop, which takes a function to be called whenever the text changes, and an onSubmitEditing prop, which takes a function to be called when the text is submitted. When there are only minor issues , you can use `Platform` to determine which platform you are targeting. Props are used to transfer data from parent to child, while state is used to manipulate data within a component. We can get the props value from the parent component, where we get the value of the state object from the initial data defined in the constructor () method.

Because every component needs to indicate which intents they can respond to, intent filters are used to filter out intents that these components are willing to receive. One or more intent filters are possible, depending on the services and activities that is going to make use of it. It allows developers the power to execute remote shell commands.

Can you run tests in a multi-threaded environment using Appium?

If all they talk about is the strength of their technical skills…run. Here you’re listening for agile development, and a project management process like Scrum. If agile doesn’t come up in a mobile developer’s response, it could be a bad sign.

Using this technique, elements can be placed in relation to other elements or screen edges. This gives a more responsive design on different screens and orientations. how to become a mobile developer But also once installed, keeping unnecessary files and otherwise taking up too much space may lead to users uninstalling the app and looking for a better alternative.