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36

On OLED, AMOLED and Super AMOLED screens: Yes LCD screens: No


15

This depends on the screen technology. For instance, (it was said that) Android 2.3 Gingerbread has dark theme since Google's latest flagship device Nexus S uses (Super) AMOLED display which consumes less energy when displaying dark color since AMOLED produces its own light and darker color emits less photons. Contrasts with LCD display which uses a ...


15

The wallpaper was in data/data/com.android.settings/files/ on previous versions of Android. However it appears that it was moved as part of the multi-user preparations. The current location is data/system/users/0/ The file is conveniently called wallpaper and it is a png file.


14

Here are the correct wallpaper dimensions for the phones cited in Leimi's answer: 480x320 for devices like the HTC Wildfire 640x480 for devices like the HTC Hero or Legend 960x800 for devices like the Nexus One 960x854 for devices like the Motorola Droid If you device isn't listed there is an easy way to figure out the dimensions of the wallpaper ...


13

Hey, I just ran a load of test to figure this out. They are vaguely scientific tests! I figured out that I was saving 20% battery by switching to dark wallpaper and dark themed apps. Have a look through my write up, you should be able to work out the saving on your phone: http://blog.stevemould.com/phone-battery-save-black-wallpaper/


10

Android OS versions 3.x and above (Honeycomb, Ice Cream Sandwich) actually have a setting that allows you to specify "Owner info" text that will show up when the device is locked. There are also many 3rd-party locks-creen replacement apps that allow for much greater configuration flexibility than the stock one, including the ability to specify any text on ...


9

Can you not make your own? Open up paint or photoshop of some sort and fill an area black. Save the image as a png and then place on your phones memory card. Then on the phone set your wallpaper from the gallery and select the black image.


8

Different wallpapers drain the battery differently. It really depends on how many different factors the wallpaper is paying attention to. Is it just being pretty or is it altering itself based on every movement of your phone? The best way to find out is to simply test it yourself. Spend one charge of your phone running a live wallpaper. When you get near ...


7

I'm not sure if it's the same on older systems, but on ICS it appears to save directly to /data/data/com.android.settings/files/wallpaper. I set mine from the browser, pulled that file, then changed it to a .png extension and viola - it was the image I had set. It also appears that this file simply gets overwritten when you change your wallpaper, so I don't ...


7

You can save the image to SD Card and use the Gallery app to set the wallpaper. Gallery app has the feature to crop selected portion of an image and then save it as a wallpaper.


4

What you're referring to are called HTC Scenes (Hero Scenes link). Off the top of my head I don't know of anything like that and only HTC devices have the HTC Scenes. I just did a quick search of the market and didn't come up with anything so my initial guess is: No, there is nothing like that currently. You would either need a Sense-based custom ROM (not ...


4

Someone over at the XDA Forums already discovered how to do that. See link to the thread below. I strongly advise to follow this guide only if you know your way around the procedures mentioned (repacking & zipaligning an APK file, file system operations with root permissions) and wouldn't mind jumping through several hoops to recover your device if the ...


4

If I remember correctly, the aspect ratio is always for a 5 desktop scroll. If you have enabled only one desktop, the you'll see just the middle part of the wallpaper.


4

https://market.android.com/details?id=com.appengine.paranoid_android.lost worked for me.


4

I developed an app named Color Wallpaper that does this. It's free and available on the Android Market. There are many other colors to choose from besides black.


4

I don't know for sure, but could it be a variation of the NFC status icon?


3

I was annoyed by the exact same problem, so I have programmed an app that automatically saves your wallpapers and your live wallpapers too. It makes it easy to revert to a previous wallpaper. It is called Wallpaper Saver and it's free in the Play Store. (It does not require root access.)


3

If all you want is static text that doesn't change in any way, then by far the easiest way is to open your wallpaper image in an imaging editing program either on a PC (something as simple as Windows Paint would do) or on the phone (search the Android Market for something like "image editor" or "photo editor" and you should find lots of apps that can do this ...


3

From the home screen, press the phone's Menu button. Here, there is usually a button for Wallpaper (it will be the top right button on the menu), where you should be able to pick your wallpaper (this applies to your background and lockscreen).


3

If i remember correctly, you can drag the frame to the full size of the image, so that the whole picture will be selected as background.


3

Its actually the wallpaper from Golauncher EX. You can download it in the play store.


3

I found the easiest way to do this was with the application Color Wallpaper. All the possible colors selectable from a menu, and i haven't changed the color in months. You can set it and forget it. Even uninstall after setting, if that is your wish. Disclaimer: I am not the developer of this application, just a satified user - for years.


2

You're right I just played with trying to set a Dropbox image as my wallpaper, and can't believe that there isn't an easier way. Part of the problem seems to be that if you Open a dropbox image, it isn't sent to the Gallery or the system default image viewer (which would let you do things like set as wallpaper) but Dropbox uses its own (HTML?) viewer. There ...


2

It depends on your screen resolution : 480*320 for devices like the HTC Wildfire (QVGA) 800*600 for devices like the HTC Hero or Legend (HVGA) 960*800 for devices like the Nexus One (WVGA800) 950*856 for devices like the Motorola Droid (WVGA854) edit : in fact some of this dimensions work but are not the correct ones (they fit because of the same aspect ...


2

Also QuickPic application can cut a picture to correct size before set it as wallpaper. It's free on Market.


2

OK, what I ended up doing was using the ASTRO file manager app to access /system/customize/resource on my phone, which seems to have the wallpaper graphics (amongs a load of other stuff). I copied the wallpaper I wanted to customize to an easy-to-reach place on the SD card (Edit | Copy, then Paste, in ASTRO), and copied it to my PC. Customized the ...


2

Pretty sure this was present in Eclair (but it's possible I'm mis-remembering and this was a new feature in Froyo) but when you select a picture in the gallery, at the cropping stage it should give you a choice of screen resolution/aspect ratios to use. One of them should be the resolution of your screen, the other one is for the side-ways scrolling ...


2

Most Android phones come with an app called "Downloads" where you can find any file you may have downloaded from the internet. From there, you should be able to view the picture and set it as your background through the Menu key settings. Another way might be to look in your Gallery application (or any photo viewer). Most of these will display the Downloads ...


2

I have Nexus 7 with stock Jelly Bean 4.2. Wallpapers are stored in /system/app/Launcher2.apk/res/drawable-sw600dp-nodpi as wallpaper_01.jpg to wallpaper_14.jpg but your picture is not here. I checked wallpapers in version 4.1.1 online here: https://bitbucket.org/neuralassembly/jcrom_packages_apps_launcher2/src/bd231599ae9f/res/drawable-sw600dp-nodpi And ...



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