Android :: Make Transparent Line Appear Over An Image?
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 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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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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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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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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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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Sep 4, 2009
How to make the ListView transparent in android?
The background android screen image should be visible.
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Jan 4, 2010
How can I make certain pixels of an DrawableBitmap transparent?
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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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Oct 8, 2010
I have an android application to display an image on another. the second image's white color should be converted in to transparent. so i used two imageviews. the original image to be overlayed is bitmap1. image after making transparent is bitmap2. when i run this i got some exceptions atsetPixel method. the code ...
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Oct 13, 2010
How would I go about putting a transparent bar along the top of a scrollview so that when the text scrolls up it kind of fades out towards the top? I am talking about the kind of thing that the Facebook and NFL mobile apps use. I think it just makes the whole design look nicer and I was wondering how I could implement this.
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Sep 23, 2010
I have a LinearLayout with a ScrollView inside of it and inside of the ScrollView I have another LinearLayout. Inside the ScrollView/ LinearLayout I will have a list of CheckBoxes (with text after the CheckBox) that get added to the LinearLayout inside of the ScrollView. I also want to display an animated image next the text of the CheckBox.
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Aug 20, 2010
I'm rooted and running WW 4.6 if this helps.
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Apr 7, 2014
I'm using CM 10.2 on my GS3 with Xposed and Cobalt theme. Is there a xposed module that will allow me to change system settings background and other default apps bg like the dialer, contacts...etc?
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Feb 10, 2012
is it possible to make the navbar semi-transparent?
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Nov 19, 2010
I want to have the second line (and third, fourth, etc.) of my TextView indented, is that possible? I don't know the exact TextView's text in advance. The text will be without newline characters - it will be wrapped to lines automatically by the TextView.
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Jun 16, 2010
I'm currently running the adw launcher and I love it. I love the numerous customization options that it has. I was just wondering if there is a way in the settings to adjust the transparency of the status bar like it has for the app drawer. I currently have the 8.2 version of adw that I downloaded from the devs website and I can't figure out the settings to adjust the transparency of the status bar.
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Oct 17, 2012
I want to know how to make the notification pull menu semi-transparent on a custom ROM.I am no developer...I am using ARHD Rom and want to make the notification pull down menu semi-transparent like in ViperX ROM.
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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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Feb 6, 2013
I am currently configuring my app development environment for Google Maps.
Where do I write the line that is highlighted in red in the image I have uploaded?
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Jul 14, 2009
I was going through the notepad tutorials .... the cursor was placed in the middle of edit text ..i tried to make the cursor to point in the first line as shown in the pic but not able to find the solution for it...
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Mar 19, 2012
I have developed a program that will allow android users to navigate through the files. But the problem is that when I use the "ls" command it doesn't make always a new line after each file but it places it in one line. Here is a screenshot
So my question is: Is there a way to make it list each file in new line? (using adb commands)
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Jul 10, 2010
I have a text file in my res/raw directory. I want to read the file line by line, but FileReader and BufferedReader fail, because of Android's security restriction. How else can I do it?
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Mar 9, 2009
I'd like to know how to make a button out of a PNG and display it on my canvas (using drawBitmap?). When I click on this button, it will take me to a new activity. All this will be in the onClickListener. So, how do I take a PNG, make a button with it, and draw it on my canvas? I looked at ImageButton, but I'm unsure how it works or how to draw it on the canvas.
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Aug 7, 2010
As the title says I wonder how I can make my images to perspective view. Here's an image showing how they manage to do this in photo shop: http://netlumination.com/blog/creating-perspective-and-a-mirror-image-in-photoshop. Is it possible to do something like this in android?
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Aug 9, 2010
I'm kind of new to this whole thing so I need some help. I have an application that creates an Image View On Create. I want to make this image click able and have it open a browser to a specific link. How would I do this? I'm having trouble specifically with the setOnClickListener because the parameters are not accepting an OnClickListener. I'm developing for Android 1.6
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Apr 10, 2009
I have an image that takes up a lot more space than the android screen. I want the image to be presented full size and the user can move in any direction. Like a map.
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