Button background as transparent

Question

I have a button  When I press the button I have to make text as bold otherwise normal  So I wrote styles for bold  amp  normal    lt style name  textbold  parent   android style TextAppearance  gt   lt item name  android layout width  gt wrap content lt  item gt   lt item name  android layout height  gt wrap content lt  item gt   lt item name  android textStyle  gt bold lt  item gt   lt  style gt   lt style name  textregular  parent   android style TextAppearance  gt   lt item name  android layout width  gt wrap content lt  item gt   lt item name  android layout height  gt wrap content lt  item gt   lt item name  android textStyle  gt normal lt  item gt   lt  style gt    Now I have a button states xml as    lt  xml version  1 0  encoding  utf-8   gt    lt selector xmlns android  http   schemas android com apk res android  gt   lt item android state focused  true  android state pressed  true      style   style textbold    gt   lt item android state focused  false  android state pressed  true      style   style textregular    gt    lt item style   style textregular    gt   lt  selector gt     In my layout for this button  I have to make the background as transparent too   How will I do it  My layout code is     lt Button android id    id Btn  android background   drawable button states    gt    How will I include background as transparent in my style

User · Answer

Code   button setVisibility View INVISIBLE     Xml   android background   android color transparent

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Try new way to set background transparent        android background   android attr selectableItemBackground

User · Answer

I used  btn setBackgroundColor Color TRANSPARENT     and   android background   android color transparent

User · Answer

use  0000  only four zeros otherwise it will be considered as black  this is the color code for transparent  You can use it directly but I recommend you to define a color in color xml so you can enjoy re-usefullness of the code

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You can achieve that by setting the colors alpha channel   The color scheme is like this  AARRGGBB there A stands for alpha channel transparency   R stands for red  G for green and B for blue

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I achieved this with in XML with   android background   android color transparent

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You may also use  in your xml   android background   null    or in code   buttonVariable setBackgroundColor Color TRANSPARENT

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Selectors work only for drawables  not styles  Reference    First  to make the button background transparent use the following attribute as this will not affect the material design animations   style   attr buttonBarButtonStyle    There are many ways to style your button  Check out this tutorial   Second  to make the text bold on pressed  use this java code   btn setOnTouchListener new View OnTouchListener          Override     public boolean onTouch View v  MotionEvent event             switch  event getAction                     When the user clicks the Button             case MotionEvent ACTION DOWN                  btn setTypeface Typeface DEFAULT BOLD                   break                  When the user releases the Button             case MotionEvent ACTION UP                  btn setTypeface Typeface DEFAULT                   break                    return false

User · Answer

We can use attribute android background in Button xml like below  android background  quot  android attr selectableItemBackground quot   Or we can use style style  quot  android attr borderlessButtonStyle quot  for transparent and shadow less background

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You can do it easily by adding below attribute in xml file  This code was tested plenty of time   android background   android color transparent

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You apply the background color as transparent light gray  when you click the button   ButtonName setOnClickListener     In the above method you set the background color of the button

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Step 1   Create a new resource file in drawable and copy paste    lt  xml version  1 0  encoding  utf-8   gt   lt shape xmlns android  http   schemas android com apk res android  gt        lt stroke android color   fff  android width  2dp   gt       lt corners android radius  25dp   gt       lt padding android right  15dp  android top  15dp  android bottom  15dp  android left  15dp   gt   lt  shape gt    save it as ButtonUI let s say   Step 2  Apply the UI to the button xml    lt Button   android layout width  wrap content    android layout height  wrap content    android text  join the crew    android background   drawable ButtonUI    android textColor   fff   gt

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Add this in your Xml - android background   android color transparent            lt Button             android id    id button1              android layout width  match parent              android layout height  match parent              android text  Button              android background   android color transparent              android textStyle  bold   gt

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To make a background transparent  just do android background   android color transparent    However  your problem seems to be a bit deeper  as you re using selectors in a really weird way  The way you re using it seems wrong  although if it actually works  you should be putting the background image in the style as an  lt item  gt    Take a closer look at how styles are used in the Android source  While they don t change the text styling upon clicking buttons  there are a lot of good ideas on how to accomplish your goals there

[android] Button background as transparent

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