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Editorial Team
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Asked: 2026-06-01T01:26:06+00:00

This is what i am doing in coding i want to create controls on

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This is what i am doing in coding i want to create controls on button click. The number of times the user will click i want to add controls for the same number of time..
I have to add these controls in relative layout. which i had already created in xml layout with one set of controls already in it.. and want to make it working for more controls if user want to edit. 

    View DynamicView= new View(this);
    DynamicView.setId(123);                
    DynamicView.setLayoutParams(new LayoutParams(1, LayoutParams.MATCH_PARENT))

The following is XML layout code. 

<View
           android:layout_width="match_parent"
           android:layout_height="1dp"
           android:background="@android:color/black" />

problems:-
1) dont want to give ids this way 🙁 

  DynamicView.setId(123);

want to assign such ids as we can assign in xml layout

android:id="@+id/spnrIngredients1"

2) how to give values for relative layouts in coding such as

android:layout_toRightOf="@id/tvIngredientsName"
android:layout_toLeftOf="@id/tvIngredientsName"
android:layout_below="@id/tvIngredientsName"
android:layout_above="@id/tvIngredientsName"

3) how to give values for background colors.
it is not accepting hexadecimal codes or something else.. what type of int values it is asking for..?

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1 Answer

  1. Editorial Team

    2) Use the LayoutParams to set the rules for placing the views in the RelativeLayout:

    Button b = new Button(this);
RelativeLayout.LayoutParams lp = new RelativeLayout.LayoutParams(
    RelativeLayout.LayoutParams.WRAP_CONTENT,
    RelativeLayout.LayoutParams.WRAP_CONTENT);
lp.addRule(RelativeLayout.BELOW, viewID);
b.setLayoutParams(lp);
b.setText("Added at Bottom");
mParent.addView(b, lp);

    The above code will place the Button bellow the view with the id viewID.

    3) setBackgroundColor()(I think this is the method you are using) requires an int representing the Color, you can set it in that method this ways:

    Color.RED 
Color.parse(Color.parseColor("#0077cc"))
android.R.color.black

    1) You could set your ids in a values/ids.xml file and later set them to your views and then refer the views by those ids:

    <?xml version="1.0" encoding="utf-8"?>
<resources>
    <item type="id" name="myfirstid" />    
</resources>

    Now you can use the id R.id.myfirstid in your code(I don’t know if this is what you want).
    NOTE:
    I don’t know if this is recommended.

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