Can anyone recommend where to get started if I am interested in developing for Android? I know tcl/tk, but nothing about Android development. Can anyone recommend a book series or some tutorials that would help? I am sorry if this question has been asked before and many times.
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Just ran across this. Very good information. Even makes a reference to Android Forums.Android Task Killers Explained: What They Do and Why You Shouldn't Use Them
View 5 Replies View RelatedI haven't seen a post on this in a while. Does anyone have a list of recommended or not recommended browsers? Maybe some pros and cons of each.
View 12 Replies View RelatedFirst of all, I just want to say I am a software developer, but I am not an Android developer. However I usually walk around and think on stuff. AndI've been recently thinking all the news concerning how fragmented Android is getting, with different Android versions and tweaks by different phone manufacturers, and then for developers you have different size formats. An example would be that HTC Tattoo might not be able to run everything that another phone might run, due to different screen formats, etc. And now the Android tablets are coming with different Android versions and different screen sizes, all from 5" to 11". Will this make developing Android applications harder? Apple has it safe here since they manufacturer all devices that run the iPhone OS: the pods, phones and now the pad so they can easily control and make sure not to loose any customers by introducing a new device. When Apple introduced iPad they had to make sure that all the old iPhone applications would work on the iPad. They solved that neatly by saying that iPhone applications will simply be stretched out to the double size and it would fit on the iPad. Unfortunately Android does not have the same luxury to do this. As I said, I am not an Android developer. Just a curious software developer For you guys who work actively in the Android community, does Google have a solution for this? Will you be able to run phone applications on the tablets? Is there a bridge between the devices? Are there any standardizations or will Android development become even more fragmented? you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-devel
View 2 Replies View RelatedThere is any decent app useful to see the photos stored in my Desire? I have a lot of photos stored in the SD card and the stock one is slow, and hangs up quite often.
View 4 Replies View RelatedI want to download a WiFi Toggle On/Off App on my Sprint HTC Hero. I assume this will save battery power. Correct? This will save battery power because when it's toggled off, it won't waste power searching for available WiFi networks when I don't need to be looking for them. Correct? I can go into Menu, Settings (so many steps) to change my settings to turn this on and off. So, there's Apps on the Android Market that can be downloaded to have a WiFi - On and Off - toggle switch. I went to the Android Market and there were so many!
Question:
What is the most recommended - simple - practical - no bells and whistles - most reliable - absolutely best that nobody beats it - WiFi - On and Off - Toggle switch? I see this one from Curvefish is quite popular: WiFi OnOff v1.2.1 Application for Android | Tools
Is this one the most recommended?
Some of my app's preferences could use some more explanation than the scarce space available for the summary. Sadly, there doesn't seem to be support from the system, like an optional help button that shows a longer text. How do you solve this problem? The first thing that comes to mind is an additional custom "preference" like "more information to above entry" that opens an AlertDialog with the help text, but that's not really nice for both user (two entries for the same preference) and the developer (manual work to do in Preference Activity). A bit nicer for the user, but way more work for the developer would be custom dialogs for each preference with more text and/or a help button. Is there a better solution or even an officially recommended best practice?
View 7 Replies View RelatedSo, after three long years with my Samsung Alias, which I bought before it was popular enough to get the fancy Alias brand name, I am upgrading to the Droid X. This is my first Android phone and so I am wondering about what the "essential" Android apps are. What finally sold me on switching to Android was the Endomondo sports tracking app. I was contemplating getting a smartphone and a Garmin Edge bike computer, but when I saw a post about Endomondo, I axed the plans on the Garmin and decided to pull the trigger on the DX. In case this helps people in their advice-giving, I am a cyclist racing in college right now, I have an almost unhealthy interest in everything gadgets/computers/video games (and I suspect I'm not the only forum member like this ), I love sports (hockey, lacrosse, football, basketball, baseball, cycling, wakeboarding, skiing, surfing, etc.), and I love movies and TV (especially Entourage and Californication). So, with all of that in mind, who's got some good apps that I simply must have once I get my shiny new piece of hardware?
View 3 Replies View RelatedI have finally - after days and days of agony - figured out that I need two forms of encryption for my Digital Signatures Project. The first will will be symmetric (AES) and will encrypt the license data and the second will be a asymmetric (RSA) an will encrypt the symmetric key. Can someone give me pointers on the best methods to use for Android.
For the public/private keys I am using: "RSA/ECB/PKCS1Padding"(I head ECB is bad so what should I use?, what about the PKCS1Padding - shoudl I be using PKCS5Padding?)
For the symetric keys I will probably use: "AES/?/?" (What mode and padding should I use?)
The provider: "BC"
RSA Keysize: 1024 (I tried 2048 but it didn't work for some reason)
AES Keysize: ?
What is the recommended way of creating a demo version for an application. Basically, the demo version will be fully functional, but will be limited to running it 25 times. My worry is that if the user uninstalls and reinstalls, the count will be reset. I thought about writing a data file to the SD Card with the count of executions (hoping that would persist after uninstall), but I do not want to add that permission if I can avoid it. Any suggestions on how to have some type of demo flag persist after an uninstall?
View 1 Replies View RelatedI am running into a peculiar issue with an app which has multiple Activities.I have a screen manager class that is bound to a service.The service polls a server for data.The screen manager starts Activity A, B, or C, based on the data.It will also allow the user to select to display the other Activities or it may swap out an Activity automatically based on new data from the service.Currently all the navigation works great and if the user presses Home, the applicable Activity comes back to the foreground when the user presses the apps icon from the Android home screen or the recently run apps list.I then had to implement a new feature to display an icon and notification.I first implemented this by only displaying the notification when the Activities were no longer visible by setting it in each Activities on Pause.Worked like a charm and gave the user a third option to redisplay the app after Home button press.However if the data from the server (when the app is not displayed) causes the screen manager to update the Activity to be displayed I have issues. I think my Activity stack is getting screwed up.I have since tried a little different model where the screen Manager handles the notifications and always displays the notification, updating it with a new Intent whenever an Activity is updated, but its still not cutting it.
When the app is minimized and the data changes I can see the screen manager call the startActivityForResult on the new Activity and it seems like Android knows we are minimized and does not display the Activity. I can then also the screen Manager call to finish on the old top Activity.Each Activity currently has the flag set to singleTop in the manifest and FLAG_ACTIVITY_SINGLE_TOP in the code. When the data hasn't changed on the server, I pull the app back up using any of the above I get what I expect and the Activity's onNewIntent is called. However when the data has changed and the user calls up the app via the notification it calls the Activities onCreate. The Activity does come up and runs, but then pressing back takes me to what seems like another instance of the same Activity instead of exiting. I just took a closer look at my logcat and I see 2 calls to the Activity's onResume, but then no doubles after that.
I have a major issue that my first android phone (Samsung Galaxy S). It does not support auto synching of Exchange email sub folders. This is a show stopper for me (see earlier posting):
http://androidforums.com/htc-desire/77734-outlook-subfolder-alerting-when-exchange-syncd.html
There has to be other apps that work well wih this and will not degrate my overall android experiance.
I looked at Dataviz Roadsynch - however latest release slated in market place. I've heard about touchdown but hoping for more feedback. What other options do I have?
I'm generating about 6 wav audio files at runtime. I want to store them in internal memory. Is a blob to sqlite the right/recommended way?
View 1 Replies View Relatedi'm thinking to start developing in HTC hero. I want to know if i will have any problem because this phone is using SENSE UI interface (an interface developed by HTC). Any suggestion?
View 2 Replies View Relatedi dont know about the java.How can i write application in 'c' for android.
And what are the steps?
I just wanted to know if there are tutorials on emulator development? For each new phone being launched we require to build new emulators to emulate the features and look and feel.
View 5 Replies View RelatedI am trying to develop soft keyboard in my language, Amharic (Ethiopian language). I start developing the soft keyboard by using the sample soft keyboard with is included in the android SDK. But I have the following questions to ask:
1. How can I include keyboard setting options such as vibrate on key press, sound on key press, etc. such setting options are available in English soft keyboard. If you have any idea about this, please help me.
2. The other question is related to copyright issue. If I can succeed in developing the keyboard and want to sell it in market, am I going to violate the copyright law? Because I have developed this application by using the sample soft keyboard.
What is the best platform to develop apps for Android on? We have both Mac and Windows platforms available in our software team but are not aware of the pros and cons of each. If anyone could let me know what they prefer?
Should we also condider Linux?
I have a couple of apps working using eclipse and the emulator. I now want to try the apps on my htc aria. I went through downloading the usb driver as the Android Developers documentations sans and a usb driver folder now shows up in my sdk folder. However, apparently there isn't a driver for the HTC aria in the folder.
After research some people suggested using htc sync. I donwloaded htc sync and let windows check that I had the latest version. However, my phone keeps saying that it can't find htc sync on my computer.
When I plug in my HTC aria, the device manager on my lap top recognizes two devices as listed below: My HTc under Android USB devices and a HTC Android Phone USB Device. I clicked on update driver for both devices, Windows found them on-line and verified that they were the latest. I dont understand why there are two drivers, but My HT seems to have a problem as listed below. One thing that I should mention is that I am using the dreaded VISTA.
Device Manager: Android USB Devices: My HTC Device status: Windows cannot initialize the device driver for this hardware. (Code 37) Click 'Check for solutions' to send data about this device to Microsoft and to see if there is a solution available.
Description: Windows was able to successfully install device driver software, but the driver software encountered a problem when it tried to run. The problem code is 37.
Problem signature: Problem Event Name:
CODE:.................
HTC Android Phone USB Device
Device Status: This device is working normally. Driver Provider: Microsoft Driver Date: 6/21/2006
So, the best I can tell is that there isn't a driver from the normal Android repository for the htc aria yet. And, for some reason my computer can't handle the htc sync drivers.
Will there be a usb driver for the htc aria that I can download from Android Developers in the future? Has anyone else been able to get htc sync to work with the htc aria? Is there anohter way to transfer my apps to the phone for development?
I guess that I can always use the ddms environment and transfer the app, but I really wanted a more graceful way to do this.
If it's possible to develop on an android device or if it will happen anytime soon?
View 6 Replies View RelatedI am working on an app that has a homescreen. This homescreen should behave like the android homescreen where you can switch between several views by flinging your finger over the touch screen.
The solution is easy. I have 3 view instances, right, left and current view. I get this instances from the viewflipper that I initialized earlier. Since I have a HTC G1 my sreen is 320 px in width and 480 px in height.
Imagine you capture the down value of a action down motion event when you touch the screen. Then you move your finger and the screen should move in exactly the same way so you have to recalculate the view's position. It works for me so far but I am facing a strange problem. When you touch the right view without moving you finger but keeping it on the screen for less then a second the view disappears and shows the left view.
Here is my code:..........................
I think such a Homescreen for your own app could be a interestion UI element.
I am new to android games development on mobiles.can any one suggest me which API suitable to develop game. I am using Android 1.5 API for Android mobiles.I need help from you all.
View 2 Replies View RelatedI'm newbie in developing Android Apps. Currently, I'm going to build an android Location Based Service apps for my undergraduate thesis. I've read some articles about displaying maps in Android but most of them are using Google Maps. Since I'm going to use my own custom map, is there any way to load my map in Android?
View 2 Replies View RelatedI am new to Android programming and have tried writing a couple of apps myself. One thing i noticed is that my application was very poor wrt the UI and the design aspects. I want to know what tools/softwares are used for developing the UI for Android apps.
View 6 Replies View RelatedI'm currently making a purely math and algorithm-based C++ library. Will I be able to use it when developing for Android? How? I guess writing some Java wrappers, but will it then be usable on all JVMs?
View 3 Replies View RelatedI'm developing a solution that would allow a company to remotely download apps on to the devices and allow app updates- remotely to their numerous Android tabs, without any user interaction. I'm thinking about developing a custom Android ROM to facilitate this. They initially want to manage around 10 tablets on one location and then scale to a couple of hundred devices in various locations- which all need to be managed remotely.
View 1 Replies View RelatedHow to develop application with service only without any activities, so the user can't open the application but other applications can use the service.
View 4 Replies View RelatedI am currently learning to develop Android applications, and to do this I have decided to develop a dictionary application. The UI, and search facilities are no problem to implement, but my question is, what is the best way to store the entries and definitions for the dictionary? Would XML be the best approach? I would be looking to include 500 - 1000 entries.
View 3 Replies View Relatedis it viable to develop applications using a stock T-Mobile G1? I guess in contrast to the emulator the real thing is restricted when it comes to debugging.But, is there a simple way to just transfer my self developed, self compiled APK to the phone and install it there? I do not have to go through the market for that, do I? :) Then again I guess it's not as easy as with the emulator, just clicking "Run" in Eclipse - or is there a way to tell Ecllipse to transfer the freshly compiled software to the *locked* phone?Yes, I know I could get an unlocked Dev Phone 1, but, my question is whether this would be *required* or, if not, what my options as a developer are when working with a stock, locked, phone.
View 5 Replies View RelatedI'm interested in developing a pdf viewer applications for the android platform. Can anyone give me some kind of idea to begin with?
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