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Programatically add buttons that have no visible margins


Programatically add buttons that have no visible margins

By : Divyaraj Bhandari
Date : November 19 2020, 01:01 AM
may help you . You should add background color to the button or buttons while creating the buttons dynamically like this:
code :
newbutton.setBackgroundColor(Color.parseColor("#848482")); //#848482 is dark gray


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Set a new view's margins programatically

Set a new view's margins programatically


By : JeffK
Date : March 29 2020, 07:55 AM
Hope that helps FrameLayout does not consider the margin parameters if you don't specify the view Gravity. Try specifying the gravity for all the ImageViews.
HTH !
Adding margins to button object programatically

Adding margins to button object programatically


By : jamesdotwallace
Date : March 29 2020, 07:55 AM
it helps some times You use a RelativeLayout as the parent for the button, but you don't specify any rules for the it where to place the button (e.g. ALIGN_PARENT_LEFT and ALIGN_PARENT_TOP).
You have to set rules for position when using a RelativeLayout though, so this messes with the layout calculation. This means that you have to use RelativeLayout.LayoutParams instead of the MarginLayoutParams because the former allows these rules and has proper default values set.
code :
MarginLayoutParams ml = new MarginLayoutParams(-2,-2);
RelativeLayout.LayoutParams ml = new RelativeLayout.LayoutParams(-2,-2);
Set Margins Between Linear Layout Programatically

Set Margins Between Linear Layout Programatically


By : Abhishek Agrawal
Date : March 29 2020, 07:55 AM
this will help You should use LinearLayout.LayoutParams if you want to set things to LinearLayout
e.g.:
code :
LinearLayout.LayoutParams lp=new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT,height_layout);
lp.setMargins(50,50,50,50);
linearLayout.setLayoutParams(lp); 
Custom view is not visible when adding it programatically, but it's visible when it's added using storyboards

Custom view is not visible when adding it programatically, but it's visible when it's added using storyboards


By : m1rwen
Date : March 29 2020, 07:55 AM
wish helps you Problem starts with this var progressBar = ProgressBar(). This invokes the init method and configure() is called. At this point ProgressBar frame width and height is zero.
In your configure() method your are setting line widths.
code :
bottomProgressBar.lineWidth = self.frame.height // 0
topProgressBar.lineWidth = self.frame.height // 0
override func layoutSubviews() {
    super.layoutSubviews()

    let path = UIBezierPath()
    path.move(to: CGPoint(x: 0, y: 0))
    path.addLine(to: CGPoint(x: self.frame.width, y: 0))

    bottomProgressBar.lineWidth = self.frame.height // Update lineWidth
    topProgressBar.lineWidth = self.frame.height    // Update lineWidth

    bottomProgressBar.path = path.cgPath
    topProgressBar.path = path.cgPath
}
How to add left and right margins in constraint layout programatically

How to add left and right margins in constraint layout programatically


By : mandy
Date : March 29 2020, 07:55 AM
wish help you to fix your issue Try to use ConstraintSet.START and ConstraintSet.END instead of ConstraintSet.LEFT and ConstraintSet.RIGHT . This should fix your issue.
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