What is Android: Definition and 162 Discussions

Android Froyo is the sixth version of Android and is a codename of the Android mobile operating system developed by Google, spanning versions between 2.2 and 2.2.3. Those versions are no longer supported. It was unveiled on May 20, 2010, during the Google I/O 2010 conference.
One of the most prominent changes in the Froyo release was USB tethering and Wi-Fi hotspot functionality. Other changes include support for the Android Cloud to Device Messaging (C2DM) service, enabling push notifications, additional application speed improvements, implemented through JIT compilation and displayed within applications as top-of-the-screen banners.

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  1. Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 14: Activity Lifecycle I

    Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 14: Activity Lifecycle I

    COPYRIGHT strictly reserved to Prof. Singh and NPTEL, Govt. of India. Duplication Prohibited. Syllabus: http://www.nptel.ac.in/syllabus/106106147/ Lectures: http://www.nptel.ac.in/courses/106106147/
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  2. Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 15: Activity Lifecycle II

    Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 15: Activity Lifecycle II

    COPYRIGHT strictly reserved to Prof. Singh and NPTEL, Govt. of India. Duplication Prohibited. Syllabus: http://www.nptel.ac.in/syllabus/106106147/ Lectures: http://www.nptel.ac.in/courses/106106147/
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  3. Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 16: Activity LifeCycle III

    Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 16: Activity LifeCycle III

    COPYRIGHT strictly reserved to Prof. Singh and NPTEL, Govt. of India. Duplication Prohibited. Syllabus: http://www.nptel.ac.in/syllabus/106106147/ Lectures: http://www.nptel.ac.in/courses/106106147/
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  4. Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 17: Adding Icon, Layout, Handling Rotation - I

    Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 17: Adding Icon, Layout, Handling Rotation - I

    COPYRIGHT strictly reserved to Prof. Singh and NPTEL, Govt. of India. Duplication Prohibited. Syllabus: http://www.nptel.ac.in/syllabus/106106147/ Lectures: http://www.nptel.ac.in/courses/106106147/
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  5. Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 18: Adding Icon, Layouts, Handling Rotation - II

    Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 18: Adding Icon, Layouts, Handling Rotation - II

    COPYRIGHT strictly reserved to Prof. Singh and NPTEL, Govt. of India. Duplication Prohibited. Syllabus: http://www.nptel.ac.in/syllabus/106106147/ Lectures: http://www.nptel.ac.in/courses/106106147/
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  6. Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 19: Debugging

    Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 19: Debugging

    COPYRIGHT strictly reserved to Prof. Singh and NPTEL, Govt. of India. Duplication Prohibited. Syllabus: http://www.nptel.ac.in/syllabus/106106147/ Lectures: http://www.nptel.ac.in/courses/106106147/
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  7. Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 20: Intents - I

    Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 20: Intents - I

    COPYRIGHT strictly reserved to Prof. Singh and NPTEL, Govt. of India. Duplication Prohibited. Syllabus: http://www.nptel.ac.in/syllabus/106106147/ Lectures: http://www.nptel.ac.in/courses/106106147/
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  8. Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 21: Intents - II

    Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 21: Intents - II

    COPYRIGHT strictly reserved to Prof. Singh and NPTEL, Govt. of India. Duplication Prohibited. Syllabus: http://www.nptel.ac.in/syllabus/106106147/ Lectures: http://www.nptel.ac.in/courses/106106147/
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  9. Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 22: Observer Pattern

    Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 22: Observer Pattern

    COPYRIGHT strictly reserved to Prof. Singh and NPTEL, Govt. of India. Duplication Prohibited. Syllabus: http://www.nptel.ac.in/syllabus/106106147/ Lectures: http://www.nptel.ac.in/courses/106106147/
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  10. Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 23: Fragments - I

    Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 23: Fragments - I

    COPYRIGHT strictly reserved to Prof. Singh and NPTEL, Govt. of India. Duplication Prohibited. Syllabus: http://www.nptel.ac.in/syllabus/106106147/ Lectures: http://www.nptel.ac.in/courses/106106147/
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  11. Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 24: Fragments - II

    Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 24: Fragments - II

    COPYRIGHT strictly reserved to Prof. Singh and NPTEL, Govt. of India. Duplication Prohibited. Syllabus: http://www.nptel.ac.in/syllabus/106106147/ Lectures: http://www.nptel.ac.in/courses/106106147/
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  12. Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 25: Fragment Basic Programming Example

    Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 25: Fragment Basic Programming Example

    COPYRIGHT strictly reserved to Prof. Singh and NPTEL, Govt. of India. Duplication Prohibited. Syllabus: http://www.nptel.ac.in/syllabus/106106147/ Lectures: http://www.nptel.ac.in/courses/106106147/
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  13. Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 26: Fragments - Advanced Example

    Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 26: Fragments - Advanced Example

    COPYRIGHT strictly reserved to Prof. Singh and NPTEL, Govt. of India. Duplication Prohibited. Syllabus: http://www.nptel.ac.in/syllabus/106106147/ Lectures: http://www.nptel.ac.in/courses/106106147/
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  14. Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 27: Implicit Intents

    Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 27: Implicit Intents

    COPYRIGHT strictly reserved to Prof. Singh and NPTEL, Govt. of India. Duplication Prohibited. Syllabus: http://www.nptel.ac.in/syllabus/106106147/ Lectures: http://www.nptel.ac.in/courses/106106147/
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  15. Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 28: Saving Data - I

    Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 28: Saving Data - I

    COPYRIGHT strictly reserved to Prof. Singh and NPTEL, Govt. of India. Duplication Prohibited. Syllabus: http://www.nptel.ac.in/syllabus/106106147/ Lectures: http://www.nptel.ac.in/courses/106106147/
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  16. Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 29: Saving Data - II

    Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 29: Saving Data - II

    COPYRIGHT strictly reserved to Prof. Singh and NPTEL, Govt. of India. Duplication Prohibited. Syllabus: http://www.nptel.ac.in/syllabus/106106147/ Lectures: http://www.nptel.ac.in/courses/106106147/
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  17. Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 30: Security and System Permissions

    Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 30: Security and System Permissions

    COPYRIGHT strictly reserved to Prof. Singh and NPTEL, Govt. of India. Duplication Prohibited. Syllabus: http://www.nptel.ac.in/syllabus/106106147/ Lectures: http://www.nptel.ac.in/courses/106106147/
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  18. Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 31: Services

    Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 31: Services

    COPYRIGHT strictly reserved to Prof. Singh and NPTEL, Govt. of India. Duplication Prohibited. Syllabus: http://www.nptel.ac.in/syllabus/106106147/ Lectures: http://www.nptel.ac.in/courses/106106147/
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  19. Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 32: Processes and threads

    Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 32: Processes and threads

    COPYRIGHT strictly reserved to Prof. Singh and NPTEL, Govt. of India. Duplication Prohibited. Syllabus: http://www.nptel.ac.in/syllabus/106106147/ Lectures: http://www.nptel.ac.in/courses/106106147/
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  20. Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 33: Working with Fragments I

    Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 33: Working with Fragments I

    COPYRIGHT strictly reserved to Prof. Singh and NPTEL, Govt. of India. Duplication Prohibited. Syllabus: http://www.nptel.ac.in/syllabus/106106147/ Lectures: http://www.nptel.ac.in/courses/106106147/
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  21. Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 34: Working with Fragments - II

    Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 34: Working with Fragments - II

    COPYRIGHT strictly reserved to Prof. Singh and NPTEL, Govt. of India. Duplication Prohibited. Syllabus: http://www.nptel.ac.in/syllabus/106106147/ Lectures: http://www.nptel.ac.in/courses/106106147/
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  22. Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 35: Working with Fragments - III

    Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 35: Working with Fragments - III

    COPYRIGHT strictly reserved to Prof. Singh and NPTEL, Govt. of India. Duplication Prohibited. Syllabus: http://www.nptel.ac.in/syllabus/106106147/ Lectures: http://www.nptel.ac.in/courses/106106147/
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  23. Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 36: RecyclerView, Adapter

    Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 36: RecyclerView, Adapter

    COPYRIGHT strictly reserved to Prof. Singh and NPTEL, Govt. of India. Duplication Prohibited. Syllabus: http://www.nptel.ac.in/syllabus/106106147/ Lectures: http://www.nptel.ac.in/courses/106106147/
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  24. Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 37: RecyclerView, Adapter, ViewHolder

    Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 37: RecyclerView, Adapter, ViewHolder

    COPYRIGHT strictly reserved to Prof. Singh and NPTEL, Govt. of India. Duplication Prohibited. Syllabus: http://www.nptel.ac.in/syllabus/106106147/ Lectures: http://www.nptel.ac.in/courses/106106147/
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  25. Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 38: ViewPager

    Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 38: ViewPager

    COPYRIGHT strictly reserved to Prof. Singh and NPTEL, Govt. of India. Duplication Prohibited. Syllabus: http://www.nptel.ac.in/syllabus/106106147/ Lectures: http://www.nptel.ac.in/courses/106106147/
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  26. Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 39: Dialogues

    Mobile (Android) Computing by Prof. Pushpendra Singh (NPTEL):- Lecture 39: Dialogues

    COPYRIGHT strictly reserved to Prof. Singh and NPTEL, Govt. of India. Duplication Prohibited. Syllabus: http://www.nptel.ac.in/syllabus/106106147/ Lectures: http://www.nptel.ac.in/courses/106106147/
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  27. Wrichik Basu

    Help required in setting up Android Studio

    This is the fifth time I am setting up Android Studio. I have downloaded the standalone zip for 32 bit computer from the official website. The android SDK is in G: drive, while the Android Studio files are in C:. I have set up Android Studio, and set the SDK location to the required folder in...
  28. Peter Alexander

    Java Android Studio: Accessing SQLite Data In RecyclerView

    Hello everyone! I'm working on a simple app for a project at the university and I'm having problems accessing the SQLite data in RecyclerView. I suspect that the problem lays in a connection with an activity that includes the RecyclerView and the RecyclerView adapter itself. My project, in the...
  29. Wrichik Basu

    Where to find app data on SD card (Android)?

    In my phone, a large number of apps have been moved to sd card. Where do I find the app data if I view the sd card via windows explorer? The reason I want this is, my phone is creating a lot of problems, and tomorrow I'm taking it to the service centre. They might want to factory reset the...
  30. slow

    "CERN Single Sign-On" on my Android phone will not let me uninstall it

    Hi. Maybe you can help me. My cell phone is Moto E (second generation) and it has installed Android 5.0.2. Yesterday I decided to explore the system and the applications a bit. I was somewhat surprised at the next section. Google Ajusted> Connected apps> All apps Nothing of what was there...
  31. D

    Java What should i study in order to build my first Android app?

    This year I made a resolution to by the end of summer build an Android app for my Uncle’s bussiness (Rent-a-Car) which would help him organise the dates of booking a car. I have previous programming experience with C and C++ but not with app creating. The idea for the app is really simple but...
  32. K

    Content transfer between smartphones

    My old iPhone 5S is retiring. Today got my new LG G6. I am able to sync the contacts to G6 via Gmail. My question is how to transfer text messages, photos, notes and music from iPhone to G6? There are about 70G of data.
  33. F

    Limiting Future Dates on Android Studio Date Picker

    So, I am making an app on Android Studio. It has a date picker on it. The code is mDisplayDate = (TextView) findViewById(R.id.textSelectDate); mDisplayDate.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { java.util.Calendar cal =...
  34. F

    What database skills do I need for Android app development?

    Hello, I am working on my varsity project on an android app development. Due to procrastination and sometimes, yeah, for being busy the deadline is this Thursday. So, less than three days remaining. I had no idea about android app... Last day, I learned layout. So, I made the layout of the pages...
  35. W

    Free/Cheap alternatives to Root Explorer (Android)?

    Hi All, I am having trouble installing Root Explorer on my phone. Anyone know of any other free/cheap app that would allow me to search through my phone's root directory? Or, is there some other way I can find a file within an app on my phone, given the very primitive default file manager in...
  36. T

    Android vs IOS: Debunking the Debate

    This topic's been widely debated but I don't think its been satisfyingly concluded.Personally, I believe that Android is by far the superior but I'd love to hear your arguments.
  37. omnipojack

    Writing: Input Wanted "Natural Born" Androids/Cyborgs

    At the time my story takes place, humans are in an evolutionary transition period. They have been able to modify DNA/genes so that people can have accessories, so to speak (communicator built into your arm, infrared sight, joints that can sustain falls from great heights, etc.), but very few...
  38. W

    Turning Phone Message into Sound File (.wav, etc)?

    Hi, Someone tried to scam me a while back and they were stupid-enough to leave a message in my Android answering machine. Question: Is there a way of turning a phone message into a .wav, .mp3 or other type of sound file? I guess it depends on whether the message is stored in my end or in the...
  39. xortan

    Android: Can I Stream RTP/RTCP Video?

    Hello everyone, Not sure if this is the right place but... I probably have a stupid question here but is it possible to stream an RTP/RTCP video stream from an IP camera to an Android device? I am not a programmer but am trying to select a camera to use for my current project. I have done...
  40. jk22

    How to install x11 headers on android?

    Hello, I'm using cppdroid and wrote a c code running a window on x11 (originally Ubuntu Linux) and installed a xserver on android. How could i compile this code on Android knowing it lacks the x11 headers ? Thanks.
  41. blue_leaf77

    Is Line able to associate e-mail accounts with phone numbers?

    So here is the situation, I just got to know a certain person and I was recently notified through my Line that he added me as his friend. I have his phone number but he doesn't have mine. All he has about my contact is my e-mail. However, when making a Line account I was not asked to input my...
  42. D

    Studying Learning programming from scratch for phone apps

    I wish to be able to create android and iphone games and apps but currently know nothing about programming. With this in mind, what do you suggest doing first in a form that you suggest the programming language i start learning first, textbook that i should use and program that i will write on...
  43. R

    Hiding the url from history in chrome and android

    Is there a way of coding a website such that the URL not sticks in history of the user afterwards? It is possible in iOS. This is a part of the trick that we are using, since nobody would want a website that is not shown in history without going in incognito mode.
  44. J

    Android robotics, quantum physics lab

    some cool stuff happening here
  45. oilyardm

    How to recover deleted files from Android SD card?

    Anyone has the suggestion on this? I deleted a couple of photos stored on SD card and i heard it's highly possible get back them. Actually, I tried a few 'so-called' data recovery apps, none of them work. Do you guys have any recommendation on this? thanks in advance
  46. C

    Question: how do you back up your Android Phone?

    What your method to back up your Android phone? A whole back up or partial back up instead? I usually back up my content individually via Android desktop manager. How about your option?
  47. R

    Android Lollipop no hand gesture feature in selfie mode

    In the recent android version which is Lollipop the feature of palm showing to mobile to take a selfie after 2 seconds has been removed or I am not able to spot it clearly? There is also a space left in between camera reversal and some beauty thing. Earlier that was there in Kitkat version. Why...
  48. henil

    I want to develop an android app

    i want to develop an android app that calculates intensity using an image preview and to use that intensities to calculate another value from a given physical laws. i am very new to android projects. Please do give suggestions.
  49. Prof.gaming

    Can't chage the default app on my android....

    I am really frustrated because just this one time , I went ahead and for my downloader I hit the always button for firefox . Now whenever I want to download a 7z file ( and some other formats ) it goes straight to downloading , Even when I am not using the firefox ( the default internet app ...
  50. Prof.gaming

    Android programming language to ios programming language?

    I mean something like a translator ( a convertor , if you prefer ) for another platform , windows for example , to translate the codes of an android program that is written in java language to the ios language which is Xcode . That way , lots of apps that are unavailable for android or ios ...
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