Jun 27, 2011

Customize Android Lock Screen : Make The Most Of It

W henever you resume your android device form stand-by, you see the lock screen. It is one of the fr...


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Whenever you resume your android device form stand-by, you see the lock screen. It is one of the frequently accessed featured of the operating system. You can customize it and make it fully your’s. It’s not a hard job to customize the lock screen while there are some apps available in the Android Market. Here’s a detailed tutorial to make this easy for you.

Let’s proceed with our lock screen customizations now. In this guide,

  • The Basics
  • WidgetLocker Lockscreen
    • Configuring WidgetLocker
    • Setting a Wallpaper
    • Selecting Lock Screen Layout
    • Adding / Removing Components
    • Applying a Theme
  • Other Alternatives
    • LockGo
    • FlyScreen
  • Flashing a Custom Lock Screen
  • Disabling the Lock Screen

The Basics

Unlike the splash screen and boot animation, the Android lock screen is rather tightly integrated into the framework of the operating system. Therefore, replacing it isn’t usually as simple as flashing the splash screen or replacing the bootanimation.zip file, though in certain cases, it can be replaced by flashing a zip file from recovery. On certain devices that use their own customized user interface such as HTC Sense, Samsung TouchWiz etc., the stock Android lock screen is usually present but overridden by the version provided by the manufacturer.

Much of the customizations available for the lock screen are in form of apps that usually run as a layer above the stock lock screen. These allow you to change the lock screen’s look, add more functionality such as enabling widgets, adding information streams from social media and increasing the number of unlock options, letting you directly launch certain apps after unlocking.

WidgetLocker Lockscreen

WidgetLocker Lockscreen is like a Swiss army knife for all things Android lock screen. Unfortunately, it isn’t free but at US$1.99, it is quite a bargain considering all the features it packs. With WidgetLocker, you can revamp your lock screen beyond recognition. You can add more sliders to directly take you to certain apps upon unlocking, change the look of the sliders, add widgets and app shortcuts, choose whether to allow interaction with the widgets and app shortcuts or not, and whether to show or hide the status bar while on the lock screen etc.

WidgetLocker Lockscreen at Android Market (US$1.99)

Or Check This Thread To Get This For Free.

Configuring WidgetLocker

Once WidgetLocker has been installed, launching it for the first time will take you through a tutorial that explains some of the functionality of this app. Once the tutorial is finished, you will be presented with a Tool Mode lock screen containing two sliders and the default lock screen clock. In this mode, you can edit anything on the screen by tapping and holding on it to drag or resize it.

WidgetLocker-1Widget-Locker-2

The first screenshot is what you will start with, and the second screenshot is our end result, though yours can be as remotely different from it as you choose, considering all the options you’ll have.

To override the stock lock screen efficiently, WidgetLocker uses its own Home / Launcher app called WL HomeHelper. Don’t be alarmed if you want to stick with the launcher that you are already using – WL HomeHelper isn’t meant to replace it; rather, it is only needed for seamless operation of WidgetLocker and simply hands over the control to the launcher of your choice. During or after the tutorial upon first-time launch, WidgetLocker might prompt you to set WL HomeHelper as your default launcher, which you should do. After that, it might also prompt you to select your real launcher so that WL HomeHelper could give control back to you after unlocking.

In case you do not get prompted for these, just press the menu key, go to Settings while in Tool Mode, and select Advanced. Here, you will be able to enable/disable HomeHelper as well as another useful feature called RootHelper that lets WidgetLocker take further control of the lock screen using root privileges if your phone is rooted.

WidgetLocker comes with a plethora of options that can appear to be overwhelming in the beginning but thanks to the accompanying descriptions, a bit of reading and trying things out should get you going in no time. In the Buttons & Input section, you can set your device to wake the device from standby with any hardware button or even set it to unlock with selective hardware buttons or actions such as by sliding out the hardware keyboard in devices that come equipped with it. In addition, you can also choose what hardware button actions are allowed while in lock mode. The last few options of this section let you allow or block interactions with the items displayed on the lock screen in case you just want to just display information there without allowing tapping or editing.

Look & Feel is the next section in the settings and we will take a look at it in detail shortly. Next are Behavior, Screen Timeout, Popups and Built-in Widgets. All the options in these should be self-explanatory, thanks to their descriptions.

Setting a wallpaper

By default, WidgetLocker Lockscreen will use the same wallpaper that you have set for your home screen. If you want to use a different one, simply enable ‘Alternative Wallpaper’ in the Look & Feel section and select one of your choice. You can also add a tint to the sections of the lock screen here.

Selecting Lock Screen Layout

WidgetLocker-3

WidgetLocker divides your lock screen into two sections: Anchor and MainGrid. Anchor is basically has a five row layout while MainGrid gives you a more tightly packed grid for adding small-to-medium widgets as well as app shortcuts. In the Layout section of the Look & Feel settings, you can adjust the size of MainGrid and also optionally assign a custom grid size to it. The maximum allowed for grid size is 12 x 12, which can make great use of all those extra pixels available on tablets. For phones though, a smaller grid size would make more sense.

Adding / Removing Components

Now that we have chosen our layout and configured the options, let’s go back to the Tool Mode because this is where the real visual customization begins. Just tap and hold any empty space and you will get the options to add new custom sliders, applications, shortcuts and widgets to the lock screen. Tap and hold on any existing object and you can then drag it to a more suitable spot, move to the trash can to delete it, or release your finger to get the handles for resizing it, so it all works pretty much like the home screen.

Applying a Theme

So far, you must be asking “OK so we can add widgets and sliders but how do we change the looks of these sliders?” This is where the theming option comes in, though it’s hard to find unless you know exactly where it is. After you get a slider into resize mode by tapping-and-holding on it and then releasing after a couple of seconds, you will see a tiny icon in the top-right corner. This is where they hid the option that lets you edit the slider itself. Tap on it and you will be presented with a slider configuration screen.

WidgetLocker-4WidgetLocker-5

Here, you can not only apply a theme from the list of default themes but also access hundreds of themes available online using the buttons provided. If you would prefer previewing and downloading the themes on your computer instead, visit the official WidgetLocker Theme repository or the WidgetLocker Theme Collection at XDA-Developers forum. The number and quality of themes out there is astounding and you will feel like a child in a huge candy shop, with the added benefit of all the candy being free.

Installing a new theme is simple. Just open the location of the theme on your SD card using any file browser, tap on the desired .theme.zip file and you will be asked whether you want to install and add a new slider with that theme applied or just install it for use with existing sliders later.

In addition to theming, you can also edit slider actions and icons for each action. There are three slider actions in most sliders, though some might have two or even one. To edit any action, simply slide that part as you would do on the lock screen and a screen will pop up with tabs for choosing the desired action and icon. For the central action (if applicable), simply tapping on it should bring up the same screen, if sliding doesn’t.

Note that if you add a custom slider from the Tool Mode, you get the exact same editing options that let you build your own slider from scratch.

Other Alternatives

For those of you who don’t want to shell out two bucks for WidgetLocker, there are a few alternative apps out there that are free.

LockGo

Amongst all the lock screen customization apps available, LockGo is pretty high on eye-candy. Apart from letting you tap on cutesy characters like foxes popping out of holes to unlock the device, it also provides you with multiple side-scrolling screens, each containing a widget for instant access to your important RSS feeds, calendar, weather, tasks and text messages etc.

LockGo-1LockGo-2

LockGo at Android Market (Free)

FlyScreen

While not a full-blown WidgetLocker alternative, this free app does let you add data streams from your favorite web services such as Facebook, Twitter, RSS feeds and weather updates etc. right to your lock screen. While it doesn’t have the looks of LockGo or the huge feature-set of WidgetLocker, it does provide you with significantly more screens than LockGo does, for all your data stream needs.

FlyScreen-1FlyScreen-2

FlyScreen at Android Market (Free)

Flashing A Custom Lock Screen

Another option for rooted users is simply replacing your lock screen at the operating system level by flashing a custom one from recovery using a zip file. You must be very careful with this option however, as the lock screen is integrated deeply into the Android framework and you must make absolutely sure that the one you are attempting to flash is compatible with the particular ROM that you are running on your phone. For example, flashing an HTC Sense based custom lock screen to a Samsung device running a TouchWiz based ROM will most likely result in a messed-up lock screen, locking you out of your phone.

You can find flashable lock screens at many online resources, the most popular being XDA-Developers forum. Additional sources can easily be found by doing a quick Google search.

Once you have found a custom lock screen compatible with your phone and ROM in a recovery-flashable zip format, installing it is simple. Just transfer the zip file to your SD card, reboot your device into recovery, perform a nandroid backup to be sure you can revert back to your previous settings if things go wrong, wipe cache, wipe dalvik cache and finally, install the zip file from your SD card. Once flashed, reboot your phone back into Android and you will have your new lock screen.

Disabling The Lock Screen

If you would rather disable the lock screen altogether and directly get your home screen when you resume your device from standby, free app No Lock is what you are looking for, but there is a catch – this app may or may not work on your phone, depending on the framework of its ROM. Nevertheless, being free, it is certainly worth a try.

No Lock at Android Market (Free)


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