Android :: Get Started With Developing For Android Without An Android Phone?
Jul 29, 2009
More or less as it says on the tin. Before I even contemplate downloading the SDK, I was wondering if there was any way of testing Android apps that I'd write without an Android phone available to me? I'm unsure as to whether or not the tools that come with the SDK come with an emulator like VS does for Windows Mobile.Sorry if this is a stupid question, but maybe I'm searching for the wrong thing.Edit I don't suppose there's anything that'll let me write widgets on/for an emulated version of the interface HTC use on the Hero/G2 either is there? Not that it would matter that much.
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Aug 14, 2010
I am a newcomer to android development. I created a image puzzle app named "Sexy Image Puzzle" It is a simple jigsaw puzzle. As I have just started developing for android, I didn't buy the dev phone yet. I tested the application in Emulator. I was planning to create similar puzzles for Cars too. But the app has too less downloads so far. Could anyone use this app and let me know, what is going wrong? It is a free application, so there is no payment involved. I just want to know some feedbacks, what is going wrong. This is a small help, I need from you guys, till the time I buy my dev phone (probably starting september)
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Apr 17, 2010
First 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
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Aug 21, 2010
Is there a way to send an SMS from te DDMS in Eclipse to my Android phone. The emulator control is disabled when I'm running my physical phone. I can only sent a SMS to the emulator.
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May 11, 2010
I am having trouble accessing the database while I am developing on the phone. Whenever I execute
cd /data/data/com.mycompck/databases
then if I try to run ls I get opendir failed, Permission denied
Or whenever I type in:
sqlite3 I get sqlite3: permission denied
What I am doing wrong?
Are there some applications that can help me getting a human view of content resolvers values and/or SQLite databases?
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Jun 8, 2010
I've watched many of the Google IO talks and one that I'm trying to reproduce is "Developing Android REST client applications"[1]. In this talk Virgil suggests you should not execute your RESTful queries inside a Thread/AsyncTask spawned from your Activity (which I had been doing), instead you should use a more complex architecture that uses a combination of a ContentProvider and a Service. From what I understood the reason for this design was so your data was more persistent between app restarts, and so your queries don't disappear if your Activity starts/stops (e.g on a screen rotation). I buy into both those reasons hence I'm trying to implement this. On the slides[2] page 45 We have an Activity calling a ContentProvider. Now the ContentProvider checks its local database, if the content is not there it sends an Intent to a service which fetches the content, inserts it into the ContentProvider, then the ContentProvider calls back to the Activity (with a ContentObserver) and the Activity can carry on. The question I have is how is this callback setup. The ContentProvider exposes simple methods, query, insert, update, delete which don't seem easy to adapt to a callback interface. It could be implemented by a Cursor which is designed to block, but that could be problematic as you don't' want to block your UI Thread. I'd appreciate if anyone could make this clearer to me, or show me some code. I'm hoping the Twitter app will be open sourced soon which apparently uses this architecture.
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Feb 17, 2010
Is there any way (e.g. with the command-line) I can upload an APK to an android phone wirelessly (wifi or Bluetooth) and launch it on the phone from a desktop machine?
I can do this things with abd from the command line when a USB cable is attached but I'd like to know if I can do this without having to mess around with cables.
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Apr 3, 2010
Has anyone managed to develop Android Applications using Eclipse on the Windows platform. I understand the ADB needs to recognise specific models of phone and wondered if the Tattoo is supported.
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May 4, 2010
My phone (htc desire) loses connection with HTC Sync, version: 2.0.33 on my laptop when I start eclipse galileo. I have windows 7 32 bit. The followings are what I have done to solve this problem but with no luck:
- Unplug and replug the USB cable.
- Installed the old version of HTC sync
- Uninstalled the old version and installed the newest version of HTC sync.
I've to log off or restart my laptop to be able to connect the phone with htc sync again but when I start eclipse the connection is lost again.
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Sep 8, 2010
I want my application to be started whenever the phone is turned on or restarted.
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Nov 22, 2010
For some strange reason my phone has started going into car mode how do I stop/disable this?
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Aug 29, 2010
Just loaded up CyanogenMod6 RC3 last night and since then my phone has frozen twice. I'm on the 2.xx radio not the 2.15. Should I up the radio? Or is the freezing a known issue with CM6?
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Sep 18, 2009
I have rooted my hero and it has been great since loading the Madaco Rom, but I have just noticed the phone has started scrolling right on its own. I noticed this before loading the ROM, but thought it had stopped since, anyone have the same problems and is there anything that I can do? Would loading the new official ROM make it any better than the Madaco ROM?
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Aug 1, 2010
my phone has started running hot. I'm not talking about when I'm charging it, I expect it to get warm while charging, I'm talking about just normal use. It gets very warm, almost hot, back of the phone, above the battery, near the camera lens/sd card/sim card area. Again the battery is cool to the touch if I remove the cover, but the area above the battery is getting really hot, and I noticed when my phone gets hot, the battery life starts to drain like crazy.
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Dec 13, 2009
I just bought a droid yesterday found this site and am so excited about the droid experience..anyways what are some good apps to get me started like home screens, games, task manager etc?
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Oct 19, 2010
My HTC desire started playing an mp3 file last night. It was on a shelf and I was watching tv and the music just came on. Am stumped as to why Any one have any ideas?
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Jul 10, 2010
I was talking to my husband when my Eris started vibrating nonstop! I had to shut my phone off like 3x. My gmail password is right and it still won't sign me in.it take a whole minute to call anyone on my phone list, I miss calls, when I go to answer my phone after two rings it ends call. And last but not least, my assigned ring tones don't play for my contacts, it only plays the default. I have tried everything. I'm wondering if i should take it to Verizon and get a new one.
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Sep 22, 2010
I'm a noob to like all of this so bare with me, I love jailbreaking and rooting stuff, just because I love being in complete control of my device....so thats the main reason why I rooted my samsung moment. I usually gain experience from all of this by looking on youtube tutorials or going to threads, I've never asked or seeked helped personally until now. So my question is what can I do with my phone now? I have an idea of how I would put new roms on my moment but I want to be sure of what I'm doing before I brick my phone from a careless mistake. How to get started on a Rooted phone in a nut shell?
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Jul 17, 2010
Not sure what I did, but on powering up, I had trouble getting it to turn on. Maybe I double pressed the powere button after the power on had started, but as soon as the droid eyeball screen came up, all images on the screen were in negative. This continued through the home screen loading until I turned the phone off and restarted, getting normal colors.
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Feb 12, 2010
I bought a htc hero 3 days ago and it has been working perfectly but yesterday it just started switching on and off by itself nonstop. when it switches on it doesn't go to the home page it just shows the clock and it says no service. ive removed the battery and sim card, connected it to a usb...and none of it works. im gonna bring it back to the shop tomorrow but just wondering if anyone knows anything i can do to be able to use it in the meantime.
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Oct 23, 2009
i'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?
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Oct 20, 2011
i dont know about the java.How can i write application in 'c' for android.
And what are the steps?
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Nov 9, 2009
I got my Droid on Friday, the day it came out. Was working fine. Today, about an hour ago, my droid reset itself. Then started back up. when I got to my home screen, it reset itself. When I got to the home screen again, very shortly (less than 10 seconds) it reset itself again! And repeated this over and over. It never stopped! I can not even use my Droid!
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Nov 21, 2009
I've had my Moment for 2 weeks now and love it. However, this morning I noticed something new. When I press down on the bottom left corner of the screen (home button vicinity) I get a creaking sound. I get the sound pretty much every time I press down on any part of the bottem left 1/4 of the screen. I do not get this sound when the keyboard is pulled out, so it's coming from some play between the phone and the keyboard. My wife has the same phone and does not have this problem. I'm curious to know if anyone else has developed this creaking noise. Anyone getting this sound?
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Sep 21, 2010
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.
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Jun 4, 2010
I 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.
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Jun 16, 2009
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?
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Aug 9, 2010
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.
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Jan 12, 2010
If it's possible to develop on an android device or if it will happen anytime soon?
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Aug 12, 2010
I 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.
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