Android :: ImageButton Icon Transparency

Mar 3, 2010

why is the transparency for drawables attached to ImageButtons not honoured? i have to change them to ImageViews so they look right.

Android :: ImageButton icon transparency


Android :: PNG Transparency And OpenGL ES

May 27, 2009

I am rendering this PNG with no transparency just fine: http://n4te.com/temp/test.png However if I try to render this PNG (with transparency) with the exact same code, I just get a white box: http://n4te.com/temp/ball.png

I am loading the PNG into a texture like this: Bitmap bitmap = BitmapFactory.decodeStream(input); int[] temp = new int[1]; gl.glGenTextures(1, temp, 0); textureID = temp[0]; gl.glBindTexture(GL10.GL_TEXTURE_2D, textureID); gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_MIN_FILTER, GL10.GL_NEAREST); gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_MAG_FILTER, GL10.GL_NEAREST); // GL_LINEAR for quality. gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_WRAP_S, GL10.GL_CLAMP_TO_EDGE); gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_WRAP_T, GL10.GL_CLAMP_TO_EDGE); GLUtils.texImage2D(GL10.GL_TEXTURE_2D, 0, bitmap, 0); bitmap.recycle();

I am using this blending: gl.glBlendFunc(GL10.GL_SRC_ALPHA, GL10.GL_ONE_MINUS_SRC_ALPHA); How is it possible to render a PNG with transparency in OpenGL ES?

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Android :: Set The Transparency Of A View?

Jul 14, 2010

I would like to change the transparency of a whole View in Android. How can I do that? The View has a nontransparent background.

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Android :: Astrid Widget Transparency

Mar 20, 2010

Is there a way to set the Astrid widget to be partially transparent/translucent? I'd like it to let some of the background show through like the default search widget and the default calendar widget.

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Android :: Set Initial Transparency For TextView

Feb 1, 2010

I need to set initial transparency for a TextView but I don't know how to do it. On iPhone it can be done easily with alpha property. I've tried to set alpha using AlphaAnimation but no good it doesn't work. It just returns to 100% alpha when it ends.

CODE:................

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Android :: Poor Transparency On Images

Apr 2, 2010

I am having problems getting transparency to work well on an ImageView. The images at(http://img265.imageshack.us/img265/6233/whatn.png) were screen captured from a Droid (hdpi). The top image I made in Photoshop and left the background white. The bottom image is the same image with the background transparent and the layout's color (white) shows through. Whenever I have transparent backgrounds in images it dithers shadows like this. Also, it only happens on hdpi devices, on my G1 (mdpi) it looks just fine. What is going on? How can I make the bottom image look as good as the top one?

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Android :: Transparency On Views Behaving Differently In 1.5

Apr 25, 2009

I have a lot of Views where I have set a background image on the top LinearLayout and then I have nested a new linear layout below with a background that is semi-transparent. This works great in 1.1, but in 1.5 the transparency is just disregarded and this breaks my app as the text on top is now unreadable.

Is this a bug or a feature? Is there a better way of doing this? Very grateful for any tips!

Code example:

CODE:....................

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Android :: Using GlColor To Set Textures To Half Transparency?

Nov 19, 2010

Basically I have a fully functional ogl program (2D game) in opengl es 1.1, everything works fine except for one problem: glcolor

I'm trying to set some of my texture to half transparent and I would like to do it as follows;

gl.glColor4f(1f, 1f, 1f, .5f);
obj.draw(gl);
...

gl.glColor4f(1f, 1f, 1f, 1f);

I'm using VBO for my vertice, my textures and indices. (if that is relevant)

the problem is that nothing gets set to 50% transparency...

I'm don't think relevant to post all my code (mainly because it is spread out several classes with several GL options changing (blends, scissors etc etc).

What I would like is for people to tell me what state of OGL could prevent glcolor form working like I want, what functions should I check, what state should I call.

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Android :: Transparency / Translucency Working On Emulator But Not Device

Jun 22, 2009

I have tried to replicate the Transparency/Translucency effects created in the API Demo(which works flawlessly) and the code i wrote works on the emulator but not on my actual device(Google ION)I copied the styles and colors.xml files from the API demos code and set the theme of my activity I want to be transparent to "@style/ Theme.Transparent" in my activity i set my content view to a layout which contains only a TextView containing : <TextView xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/text" android:layout_width="fill_parent" android:layout_height="fill_parent" android:gravity="center_vertical|center_horizontal" android:text="should have transparent background" /> i have also tried setting the theme using: setTheme (R.style.Theme_Transparent).

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Android :: Image Transparency - Section Which You Could Measure In Pixels?

Oct 17, 2009

Anyone know if you can make part (i.e. a section which you could measure in pixels) of an image transparent? What graphics features would I need to look at?

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Android :: How To Paint Transparency - Swiss Cheese Style

Apr 4, 2010

To explain i have a bitmap which is constructed as follows

Paint a rectangle color yellow I want now to paint a smaller circle over the top of the rectangle, but i want to use transparency. so that the circle results as a hole in the rectangle. {like swiss cheese with holes }

So if i painted the bitmap over a background the background would still be visible in the Circle/hole.

setting the drawcolor drawColor(Color.TRANSPARENT) just paints a transparent object. i.e. it doesn't erase the circle area of the rectangle.

How to do...?

One option is to set the circle color to say black and then look for an option to replace black with transparent within the bitmap.... but i can't find a solution for this either.

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Android :: Widgets - Imageview Doesn't Support Transparency/alpha

Aug 7, 2009

When applying an alpha value to an imageview, Eclipse displays the view accurately in layout mode. But when exporting to a target device (such as a phone), the alpha appears to be ignored. This impacts developers trying to create fade ins/outs of elements in a widget. Has anyone else come across this issue yet? Not sure if this behavior is by design or by error.

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General :: How To Edit Transparency In Statusbar

Jul 19, 2013

I want to edit the transparency in my statusbar (Stock Gingerbread 2.3.5), I read I had to edit in systemui.apk value/drawable.xml. But I only get hide the status bar, really nice, but isn't what i want. I am editing the wrong file.

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General :: Remove Transparency From Themes

Jul 31, 2012

How to remove transperency from themes and roms. Galaxy s3

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General :: Statusbar Transparency In Home Launcher

Jun 4, 2014

How to make statusbar transparent only in home launcher and opaque in other apps just like in MIUI.

How can I make the statusbar bg function like in MIUI?

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Sprint HTC Hero :: Setting To Change Transparency Of Folder?

Nov 17, 2009

I got tired of the messing with the people widget so I created shortcuts to people. I have a couple of folders that I put these shortcuts into, one for texting and one for calling. Is there any setting to change the transparency of the folder?

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General :: Camera App That Displays Picture On Screen In Transparency

May 24, 2012

I'm looking for a camera app that displays a picture on my screen in transparency when taking another picture with the camera of the phone in order to do the same pic as done before ...

Any app already exists ? Or is there a tip to do this ? Taking a picture with a printed photo in the other hand is not very effective.

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General :: Nova Theme To Make Notifier And Bottom Bar 100% Transparency

May 12, 2013

Is it possible for a Nova theme to make notifier bar and bottom bar (with home back and recent apps) 100% transparency or would that have to be built into the launcher.

If it is possible does such a theme exist?

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Android :: Possible To Use OnKeyDown() For An ImageButton

Mar 28, 2010

is it possible to use onKeyDown() for an ImageButton instead of onClick() to capture the user's click on this imagebutton?

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Android :: Set ImageButton As Toggle ?

Apr 26, 2010

How can I have an imagebutton stay in the 'pressed' state when it is clicked? Basically I just want the background to be the depressed background, but I can't figure out how to set it. At the moment, I've just copied the selected button background into my res folder, but when I set it as the background, it becomes blurry (since the original image is bigger than the button itself).

Normal Background:

What I'm getting:

Also I don't believe I can actually use this method considering the many different UI layouts. The button should stay pressed as per the UI the user is using.

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Android :: How To Disable An ImageButton

Jun 25, 2010

Wanted to leave a ImageButton is disabled (not clickable), but have used android: enabled = "false" but does not work

Does anyone know how to disable an ImageButton?

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Android :: SetScaleType For An ImageButton

Nov 11, 2010

I'm using the following code, which I expect would scale the associated image to fit within the given dimensions of the button:

CODE:.....

The image is 64X64 and I was expecting to see 32X32 on the screen. However, the button draws with the original 64X64 size. I can re- sample the image down and create a new file but I'm curious why this approach didn't work.

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Android :: ImageButton Isn't The Same Size?

Nov 2, 2010

I have problem with width of ImageButtons, it isn't the same size. I have experimented with all attributes for two hours and nothing. I create buttons at runtime and put inside row (also created at runtime).

CODE:..................

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Android :: What To Use ImageButton Or Button?

Nov 24, 2010

I have a button with two states(selected and unselected). the image of button is different for the states. Which one should I use? How do i set images and states?

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Android :: ClickEvent On ImageButton ?

Mar 5, 2010

Is it possible to add a click event to an ImageButton? In my code its not working

Here is my code:

CODE:..................

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Android :: ImageButton.setVisibility() ?

Apr 24, 2010

I'm having a problem when setting the visibility of two image buttons one on top of the other. The idea is to implement a play/pause control. The problem is that the only part where setting the visibility actually works is in the click listeners of the buttons. If I try to change it somewhere else nothing happens.

CODE:.......................

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Android :: ImageButton Using Transitions

Aug 25, 2010

I'm trying to create a transparent (no button background) ImageButton that has a custom selector. I have the selector working against the button but I now want the selector drawables to cross-fade into each other.

I saw the TransitionDrawable object that can be represented in XML. Is there a way to connect this into my selector?

Below is the XML layout code to create the image button on the screen in the lower left corner of the screen. It currently goes from one image to the next abruptly ignoring the transition XML.

CODE:.....................

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Android : How To Hide Imagebutton?

Oct 20, 2010

I have 1 imageButton and i want to hide that button after 5sec in oncreate method.

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Android :: Background Color In A ImageButton

Jun 25, 2010

I put a background color in a ImageButton? How?

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Android :: ImageButton With A Selected State?

Apr 9, 2010

If I was using an ImageButton with a selector for its background, is there a state I can change which will make it change its appearance? Right now I can get it to change images when pressed, but there seems to be no "highlighted" or "selected" or similar state which lets me toggle it's appearance at will.

Here's my XML, it only changes appearance when pressed.

CODE:........................

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