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It's been around 1 month that I have started to work on Android to create an app, I understood the basics (Views, widgets, intent ...) and I use a lot developer.android.com to ancknowledge new things but when I try to do complex things, such as creating a camera preview inside my app, I feel like I am Ctrl+C and Ctrl+V the code that is provided without really understanding it. And most of the time my app crashes.
So, do you have any tips for me to make things easier ?
Decide what do you want to do. You said that you are building an app. That is a good thing. Many people do not realize that they cannot get to the finish line when they do not know where it is.
Find a good source of online video tutorials. Video tutorials are far more superior to written books if you have 2+ screens on your computer because you can watch the video and write the code at the same time. (I personaly like pluralsight if you are a student microsoft offers 6 months for free)
Choose 2-4 tutorials and finish them.
Start writing your own app.
If you do not know how to do something. Try to find it in the source code that you wrote in those tutorials.
If are not be able to find it there try to google the solution or ask some questions on stack overflow. People will most likely just give it a negative rating but ... you know who cares about them.
Repeat point 4,5 and 6.
If you have a bad feeling about quality of your source code watch more tutorials so that you can see how would other people solve your problems.
There are some valuable resources for learning android
I believe this course is a HUGE jumpstart, from Google employees:
http://Www.udacity.com/course/developing-android-apps--ud853
This site can also contain information that can help you:
http://www.vogella.com/
and if you want to spend some bucks, check the Android Development Nanodegree:
https://www.udacity.com/course/android-developer-nanodegree-by-google--nd801
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Ok so first off: I am a complete noob when it comes to Android app development. I used to have Android studio and wanted to make an app. I found it very confusing and hard to learn.
Second: I know HTML and CSS pretty well, but not JS or XML or any other languages.
I want to make an app that is basically a vault. When you open it, you get a login screen (with fingerprint login preferred). Then you login and are presented with a vault to store images, files, and etc.
I have no clue where to get started or what to learn. I want to learn how, but it seems very confusing to me.
I could also make this a web app so which ever is easier, let me know.
Thanks for the help!
What I suggest is you start with very small projects. In each one, aim to make something you haven't tried before (don't be repetitive in your apps). I suggest you make the following apps, so in each one you learn a little about what shall be useful:
+/- Calculator
Application which asks for a password, and if correct, sends you to a second activity
Application which can save information even if the application is closed
Application which can shows a series of images one below another
(scrolling down)
This will get you a nice idea on Android Basics which will be useful for your project. If you were to jump directly into it, you would find yourself in a sea of abstract information and have no idea what to do.
Remember: small projects give you better understanding. Google and StackOverflow are your best friends
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I found these 3 app on Play Store and want to base my learning course on what tehnology are they make.
https://play.google.com/store/apps/details?id=com.TreetopCrew.VirtualBeggar
https://play.google.com/store/apps/details?id=com.outerminds.tubular
https://play.google.com/store/apps/details?id=org.nanobit.cheftown
So my questions are how to make it and focus my learning on technologies they use. What frameworks is best to use and stuff like that.
I know to make basics app till now, with standard design and fuctionality, but want to learn more.
I know that the last one is little more complex, but I have a free time and want to learn, so any help will be appreciate.
Thx
I would suppose you received down votes as this is not really a question for stackoverflow. As commonsware stated, it is best practice to reach out to the developers and see if they are willing to divulge any info on what they used to develop their apps. As well there are multiple resources out there for starting game development in android. One that comes to my mind is XDA, but even just using google to dig around.
Here is a link to a game development thread on XDA
http://forum.xda-developers.com/showthread.php?t=1753131
And here is a link to the development thead mentioned in XDA
http://www.kilobolt.com
Stackoverflow is more designed and targeted to specific code problems/questions. It is not meant for individuals to ask for "how do i make this" questions.
For reference, please see the link below on what should be asked here on Stackoverflow
https://stackoverflow.com/help/on-topic
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Is it advisable to start first from android pdf books instead of the developers website because the developer.android.com Android training because they seem to go way too fast for me to comprehend and I have java knowledge
I highly highly recommend this series: http://www.youtube.com/playlist?list=PLE08A97D36D5A255F
The series will honestly teach you everything you need to know, and it's taught by a very knowledgeable person. Don't skip the first videos, they go by slowly, but help you comprehend the Android system.
If you have eclipse and do the android developer website tutorials. It should suffice. I don't think a book is necessary especially if you have knowledge of Java.
1. Watch the videos. 2. Go through the tutorials. 3. Get your fingers on the keyboard.
Those three steps in about a month period helped me release an app, and I had very little knowledge of Java.
As someone with a brief but ancient history with Java, reading O'Reilly's Programming Android cover to cover was great. It gives you a very solid overview of app life cycles and quite a few other extremely important and useful components of Android including SQLite, intents, etc. (many of the basics, nicely distilled in one place).
This is best book
Commonsware book
By Mark Murphy , you will also get a timely hour chat with Mark to solve your queries. This book also gets updated quickly so you won't be having an outdated version. By far best money spend on any book.
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So I've been doing a lot of app development, and code maintenance at work. I'm an android developer, though I do some other stuff around the office occasionally. The last few weeks we've had a shortage of tickets for me to work on, and the ones I've gotten I've pounded out and been bored for several hours after.
I'm looking for some good activities, guides, projects etc.. that I can work on during these down times to keep my android skills sharp. I've been reading up on optimization, security, design and implementation strategies and some other fun stuff.
I'm looking for short projects - 1-3 hours long, which will teach me something meaningful about the platform, reveal some hidden aspect I didn't understand, or otherwise just be really cool so I can be like - "yea boss, I'm a baller". Beyond that - really well implemented code would be cool too, I like looking at other peoples stuff and as I'm doing a lot of maintenance programming the ability to quickly aclimate with code is something I'm trying to work on.
Thanks guys,
How about using your 'down time' answering questions on StackOverflow. I find it a delightful diversion after a gruelling day in the "Android Swamp Mines (tm)" ;-)
Seriously though, there are a lot of questions that are better answered if you create a small test program to test the user's problem and your answer. The community also gets better quality answers.
I think it can be done like this:
1) You are amazed by some application or some part of some application similar to how one gets amazed by seeing some beautiful thing
2) Being a programmer you, however, have an advantage of analyzing your amazement in terms of programming and are able then to formulate for yourself a quest something like 'how can I achieve such an amazing OK Button (or perhaps Cancel Button)
3) You then start working on achieving that same Ok (or perhaps Cancel) button in your small test project
4) You then stuck
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Two parts to this question
1) I am working with a group of six others in a computer science class and will be creating an Android application over the next 3 or 4 months. I am looking for suggestions as to how we can come up with an idea that is not only practical but also possible to complete in the time given. I am the only one in the group that has experience with the SDK but the whole group is proficient in Java.
My main concern is taking on too much and taking too long to decide.
Summary: How should we go about deciding what we want to do?
2) Any one have any ideas? Is there anything anyone would like to see implemented on Android? I find projects like this are way easier to get motivated for when it isn't just for the class so if anyone has any ideas I am all ears.
How about an android app to do distributed brainstorm sessions. Code up a Google App site as a shared info distributing point and collect the ideas. After collection analyze them and add a scoring system.
Should be fun and doable and you can use it for selecting your next project.
your best bet is to look around for "pain". is there something about your school that drives everyone nuts? can you think of a way to solve it or at least make it a little more bearable in some way? If you solve peoples problems, they will beat a path to your door.
alternatively, you could take something that everyone loves and make it better. these kinds of ideas are useful, but i think you get more bang for your buck if you improve a horrible process rather than incremental improving an already good thing.
You'll have a lot of motivation and can get the support of your friends if you make something you and your friends will realy want to use.
An interesting app might be one for your university. Some universities have official apps, but most don't. This could be interesting because you might be able to integrate your project with resources from the administration (involves talking to other people and working with a foreign interface) or use RSS feeds and XML data from your college's website. You could add features like weather on campus, course lists, an integrated map of the campus, latest school news, and the like. It's a manageable project but can be expanded and improved in many sorts of ways.
Here is a Forum that people have announced a ton of ideas they thought about. If you find one you like then I would look at the market or at AppBrain to make sure it doesn't exist. I thought an app for Parental SMS Watch App would be cool. A parent could flag words that would them alerts when there kids got a message when a word like "sex" comes across. Hope this helps. I have been in the college scene just recently. Good luck with your design project!