Firefox OS

FireFox OS

Firefox OS is a new mobile operating system developed by Mozilla. It uses a Linux kernel and boots into a Gecko-based runtime engine, which lets users run applications developed entirely using HTML, JavaScript, and other open web application APIs.

Firefox OS is currently under heavy development; we are constantly working on ways to make it easier for you to use and hack on Gaia (the default set of apps) and create your own. However, you need knowledge about systems in order to do things like build the entire Firefox OS stack, or flash a phone with a build of Firefox OS. Linked below are guides meant for Web developers interested in running and making changes to Gaia or developing apps to run on Firefox OS devices.

check this https://developer.mozilla.org/en/docs/Mozilla/Firefox_OS for more details.

Here are the steps to install firefox os on your phone

http://support.mozilla.org/en-US/kb/download-and-install-applications-firefox-os

receive screen OnOff or Headset plug broadcast

There are some broadcast in android which you can't detect just declaring receiver with intent-filters in Android-Manifest.xml to detect them you need one active component service or activity which will register Custom broadcast receiver at run time as follows 


MyReceiver br = new MyReceiver();
IntentFilter theFilter1 = new IntentFilter(Intent.ACTION_HEADSET_PLUG);
IntentFilter theFilter2 = new IntentFilter(Intent.ACTION_SCREEN_ON);
registerReceiver(br, theFilter1);
registerReceiver(br, theFilter2);

Android Emulator soft/hard key shortcuts

Android Emulator soft/hard key shortcuts

Home            Home Button
F2                  Left Softkey / Menu / Settings button (or Page up)
Shift+f2         Right Softkey / Star button (or Page down)
Esc                Back Button
F3                 Call/ dial Button
F4                 Hang up / end call button
F5                 Search Button
Ctrl+F5         Volume up (or + on numeric keyboard with Num Lock off)
Ctrl+F6         Volume down (or + on numeric keyboard with Num Lock off)
F7                 Power Button
Ctrl+F3        Camera Button
Ctrl+F11      Switch layout orientation portrait/landscape backwards
Ctrl+F12      Switch layout orientation portrait/landscape forwards
F8                Toggle cell network
F9               Toggle code profiling
Alt+Enter   Toggle fullscreen mode
F6               Toggle trackball mode

Micromax A116 Canvas HD goes official with 5" screen, quad CPU

Micromax has announced the latest Canvas series smartphone today and it is called A116 Canvas HD unlike the rumours of Canvas 3. Packing a MediaTek 6589 quad-core processor, it will go on sale starting the first week of next month (i.e. February). Company has revealed that it wants to price A116 Canvas HD under INR 15K, which will surely make it an instant hit.
We thought it was time that we compared Micromax A116 with previous iteration of Canvas smartphones from Micromax.

Micromax A116 is significant improvement over the previous versions, considering that it packs a 720p display, quad-core processor and 1GB RAM. Canvas 1 and Canvas only have 512MB RAM, single and dual core processors respectively and WVGA resolution displays.