Android :: Application Background Image With Transparent Activities
Oct 29, 2010
I have run into an requirement of my application that i cant find a way to do this.
I need my application to be fullscreen and no title bar (done), and this application will have a background image. However, all the activities/views of my application must be transparent/translucent so the application background will be visible all the time behind the information i am displaying.
Basically i would like to have this behavior
http://www.geeky-gadgets.com/wp-content/uploads/2010/05/amazon-kindle-android-app.jpg
supousing that the image you see is not the phone wallpaper, but the application background image. What would be the application configuration in the manifest file and what would be the configuration for eacy activity/view?
I also noticed that, i need to setup each activity to be fullscreen without title bar. Is there a way to do this globaly in the application so all activities will behave this way?
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Oct 6, 2010
I need to display image has background and transparent text at particular location of the image text,here my problem is it display well in some devices and not being proper alignment in larger screens,even i used separate resource file like layout,layout-large,layout-small but in some case it's not working well,i set. Code...
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Aug 19, 2009
seems pretty straightforward.
CODE:..............
But doesn't work!
It scrunches the layout background as the background to each button, I want it to span all three buttons...
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Nov 22, 2010
I am designing an app that will have some activities separated in tabs. Some of them will have to perform tasks in the background will the user is in another tab. What is the best strategy for designing an app like this? I was thinking about using a service but it can be killed by android dalvik, isnt it?
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Jul 9, 2010
I have already found how can I do an ImageButton with Transparent background, but I would like to ask, how can I set the effective of it ?
How can I do it more transparent ?
My way as I do it: <gradient android:startColor="#aaffffff" android:endColor="#aaffffff" ...>
What should I write in to the color to be more transparent ?
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Jan 9, 2010
hi, i run my application in an emulator/device automatically one drawable image other than default image i used my image coming for my application as background.how can avoid it?
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Jun 24, 2010
How can i make the background 50% transparent? Let's say the background of an AbsoluteLayout so it's dark but you can still see through it?
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Apr 22, 2010
My use case is writing an overlay controller activity for a landscape camera preview. I followed the instructions from a couple of tutorials for writing a transparent theme.When I start this activity from my root activity, the layout gets drawn correctly, but the background stays black. I tried to use @android:style/Theme.Translucent instead, but this Theme inherits the orientation from the calling activity (landscape) and thats not what I want.The application holding the camera preview is set to landscape view as it does not display the preview correctly in portrait orientation. (see old google bug report)What I wanted to do was to put an independent activity for user interaction interface in front of the camera surface holder (this activity should be set to 'portrait', or even better to 'sensor')
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Aug 19, 2009
I want to be able to specify an android:src, but I want android:background="" - complaints that string types are not allowed when compiling.
I basically want a button without any background (but that *does* have a 'src').
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Sep 29, 2009
I am using a web view in which i am adding a image view..now i want to set the background of this image view transparent.i hv tried setting code...
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Sep 24, 2010
In my android application i am using progress dialogue in my splashscreen.
I would like to see only the progressbar with loading message without the background.
Is there any way that i can change the background to transparent in android.
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Jul 14, 2010
How can I set the Background for a button to a transparent Color, like transparent Blue for eg, instead of a solid blue? When I use button.setBackgroundColor(Color.BLUE) it sets it to a solid blue.
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Jul 25, 2010
OK, So I want to set the background to a transparent image and change the color of the background on an event firing. I can set the background image to a resource in an xml file, and I can also change the color of a TextView on event firing, but for some reason I can't do both at the same time. Do I need to create a drawable or something? Also, how do I reference the top level LinearLayout. I'm programming using eclipse JEE Galileo with the ADT Plugin and the android sdk. O.S. android 2.1-update1 (eclair). My friend can do it in actionscript and I have to do it in java to beat him lol.
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Jun 17, 2009
I believe I have found a graphics bug introduced in the 1.5 platform. I'm looking for some confirmation (or a description of what I'm doing wrong) before reporting it as a real bug.
I have a SurfaceView that fills the screen and on top of that I have a LinearLayout that wraps some other components that overlay the surface. These other components are not visible most of the time, and the LinearLayout has a transparent background so that the SurfaceView is unobstructed until the other components are made visible. Under 1.0 and 1.1 this all worked with a background of #00000000 for the LinearLayout. Now under 1.5 there is a black rectangle obstructing my surface unless I give the LinearLayout background some color. I can still keep the transparency so it is still invisible as it should be but it is strange that it can't be black and invisible anymore. My layout is below. The background of #00000001 works, but changing it to #00000000 results in a black rectangle. code...
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Jan 26, 2010
Why i get a Black screen with a translucent transparent background on my HTC Hero ? I used the code sample.It is OK with the emulators 1.5 and 2.1.Is there a way to have it on my Hero ?
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Mar 3, 2009
I have problem with the List view scrolling. Here I have a list view contains more 50 items. I am setting the list view background as transparent. While scrolling the list view it is showing with black background. Can any one tell me how to remove this black portion?
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Jan 7, 2010
I'm using a ListView with a transparent background. It works fine in Android 1.5 & 1.6, but in Android 2.0 and later, the ListView background turns white while scrolling. I want it to stay transparent, just like in 1.5 & 1.6.
Does anyone know what's going on, or better yet, how I can get this working correctly?
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Aug 28, 2009
I have a scenario at hand, for which I need a solution as soons as possible. Here is the problem statement: I need to show an image overlapped by some other image, 100%. The condition is that the picture in background should also be visible through the foreground picture but only through some part of the foreground picture. Please try to visualise how it should look like. There is a picture shown and in middle of it, there is a transparent area through which the background image is visible. I knew that I can make an image transparent and make the background image visible but here I want only some part of the foreground image to be transparent so that it looks like sort of picture frame applied to the background puicture. And for those who read the statement carefully would have understood that the ultimate thing desired is to have a picture frame applied to the picture. Can anyone please suggest a good way to do this.
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Nov 30, 2009
I would like to place an image over a surface view. However I would like the image to be transparent so you can see the image and also the underlying surface view. Can anyone suggest how I could do this?
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Nov 19, 2010
I have an image of a map. I want to draw lines over that image.I have successfully displayed both the line and the image. But , the line is not transparently appearing over the image. The image is only displayed when i run the program. But,if i change the coordinates of the line so that it doesn't overlap with the image,the line is getting displayed.
Pls tell me what i should do to make the line transparent so that both the image and the line are getting displayed.
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Aug 30, 2011
Any good quotes widget with transparent background, which is free as-well.
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Mar 29, 2010
In my application I use an image . I made some portion of the image transparent. Now How can I find the co-ordinates of the transparent portion of the image so that I am able to find the actual area of the non-transparent area.. I want some methodical way to find.
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Jul 6, 2010
My objective is to run a glowing animation on an image.I am changing the image alpha to produce this effect.
I have used basic AlphaAnimation provided in android framework but found that its slowing down other animations. So i extended a class from SurfaceView and created a thread to update it. ( Again here, i am manipulating alpha of the image ).
Everything seems fine, except that i am not able to draw a transparent image onto SurfaceView.Its showing black color on the transparent areas of the bitmap.code...
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Oct 6, 2010
I'm looking for a transparent background for the stock Weather widget(2.2). I found a few apks but they won't install. I found a couple .zips but they just for close, I think they are for 2.1.
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Mar 9, 2010
I'm trying to make a GUI program with the Android SDK, using their Lunar Lander example as a significant self-teaching tool in the process. I've noticed their sprites' images' backgrounds, which were at least usually pure white, did not show up in their program. I want to ask how they did that, since their site doesn't explain simple things very well. I've managed to pull that off before on another GUI SDK, wherein all I had to do was to call a function and pass it a few floats to define a certain color, and until my code told it to do otherwise, that function would make sure that that particular color in my sprites' images was totally transparent. However I've wrestled with the Lunar Lander example and getting my own program to show some custom graphics for a week or two now, and I haven't noticed any such function call in the Lunar Lander example. I tried to look for it, but I did not find anything. I've tried to Google some tutorial or other reference material, but what I've found so far is just straying off into unrelated areas and totally dodging this EXTREMELY important lesson on the SDK's basics.
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Jun 11, 2010
Making the touched areas of bitmap image transparent(seems like erasing) while I am moving my finger on that image.
I am having a PNG file with Alpha channel in it. I want to turn the touched pixels to transparent so that, the user can feel that he is actually erasing it.
For this I am using frame layout to load 2 layers. Down layer is for content and upper layer is an Imageview for erasing. I need erase the upper layer when user touch and move his finger on it.
I am not getting how to make it transparent. can anyone please help me in this. If possible please direct me to any sample code, as I am very new to this image processing.
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May 1, 2014
I have a bunch of png images that I imported to my phone from my PC. I dumped them straight in my DCIM folder.
On the PC, these images have transparent backgrounds, however, when I view them using androids gallery app, the background is black. Similarly, when using these images as stickers for my text messaging app (Naver Line), the backgrounds will also show as black.odate.
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Jul 15, 2010
Are Activities in the background considered "running" (and can execute code) or are they in a suspended state?
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Jul 25, 2010
I am using a TabActivity (Main) with 3 TabSpecs
I am using Intents for the content of the 3 Tabs
TabA, TabB, TabC for example.
All these tab activities use common data that is stored in SharedPreferences
In the Main TabActivity I have an options menu which has a refresh option.
CODE:.............
This refresh uses an AsyncTask (updateCommonDataFromWeb) to reload the common data from the web.
I need a way to tell the 3 tab activities to refresh their views and rebuild their content from the newly downloaded data.
When the tab activities are first created they load the data from SharedPreferences like so:
CODE:..............
I thought about making a common method on each of the tab activities
like.... reloadViewData()
I thought maybe I could use the activity manager from the Main TabActivity to get the activity of the current tab like so:
CODE:.............
Unfortunately i cant get this approach to work, whilst activity is the correct instance its an Activity instead of a TabA,TabB or TabC
Maybe i've completely taken the wrong approach to the whole thing.
I have also read alot about not using Activities for tab content instead using views.
However I dont know what view to use to replace my <RelativeLayout /> as i cant use my R.layout.* as views.
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Sep 9, 2010
I want to know that how i can get these things in android.Recording of Calls Appointment/Calendar Logging Bookmark Logging Browser History Logging Contact Details Location Through SMS SIM Change Notification and after getting these things in a file (.txt, xml, or CSV) how i can upload these things to my php server by running a backgroud service.Service will now prompt user again and again. Everything will be recorded silently and then user will see this information on server whenever required.
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