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How to change these views layouts programmatically? I have the views in xml file, but later want to change their size programmatically

I have a working layout in .xml file no problem here. In my code there is a button that show or hide these two imageViews. When I hide the two imageViews I want to set the checkbox layout constraints to mach parent instead of matching constraints("0dp"), and when I show the the two imageViews I want to set checkbox layout to match constraints.
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:id="#+id/constraint_child"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<ImageView
android:id="#+id/delete_child"
android:layout_width="36dp"
android:layout_height="36dp"
android:layout_marginStart="16dp"
android:src="#drawable/delete"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toEndOf="#+id/edit_child"
app:layout_constraintTop_toTopOf="parent" />
<CheckBox
android:id="#+id/checkbox_child"
android:layout_width="0dp"
android:layout_height="42dp"
android:text="CheckBox"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toStartOf="#+id/edit_child"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<ImageView
android:id="#+id/edit_child"
android:layout_width="26dp"
android:layout_height="26dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toStartOf="#+id/delete_child"
app:layout_constraintStart_toEndOf="#+id/checkbox_child"
app:layout_constraintTop_toTopOf="parent"
app:srcCompat="#drawable/edit" />
</androidx.constraintlayout.widget.ConstraintLayout>
I don't want to create the CheckBox and the two ImageViews programmatically ,because I have created them before in .xml file. what I want is changing these views programmatically in java.
Thanks in advance.

programaticlly on button onclicklistner
When images are gone you can set
Checkbox checkbox = findViewById(R.id.checkbox_child);
if (myImageView.getVisibility() == View.VISIBLE) {
// Its visible
LayoutParams lp = new LayoutParams(0, 42);
checkbox.setLayoutParams(lp);
} else {
// Either gone or invisible
LayoutParams lp = new LayoutParams(LayoutParams.MATCH_PARENT, 42);
checkbox.setLayoutParams(lp);
}

If i understood what you are trying to do, then there is a simple way of doing it programatically :
in onCreate() you declare your views
ImageView deleteIv = findViewById(R.id.delete_child);
ImageView editIv = findViewById(R.id.edit_child);
CheckBox checkbox = findViewById(R.id.checkbox_child);
Then you set an onClickListener over your button and you have to put this code inside of onClick() method generated by the button's listener
yourButton.setOnClickListener( new View.OnClickListener() {
#Override
public void onClick(View view) {
deleteIv.setVisibility(View.GONE);
editIv.setVisibility(View.GONE);
// Creating a new LayoutParams object to set to the checkBox
LinearLayout.LayoutParams lparams = new TableLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.MATH_PARENT);
// Setting the new layout parameters to the checkbox as wanted
checkbox.setLayoutParams(lparams);
}
});

How to make Image Buttons act like Radio buttons

I'm trying to make Image buttons act like Radio buttons. Let me explain. I have a basic layout containing an Image Button and a TextView, that I load with different images and texts.
XML layout :
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageButton
android:id="#+id/button_category"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:background="#FFFFFF"/>
<TextView
android:id="#+id/text_category"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"/>
</LinearLayout>
Java method :
LinearLayout categoryLayout = view.findViewById(R.id.categories_layout);
for (int i = 0; i<categories.size(); i++) {
final String name = categories.get(i).name;
final int resource = categories.get(i).resource;
View v = getLayoutInflater().inflate(R.layout.choose_category, null);
final TextView text = v.findViewById(R.id.text_category);
text.setText(name);
ImageButton button = v.findViewById(R.id.button_category);
button.setImageResource(resource);
button.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
selectedCategory = resource;
text.setTypeface(text.getTypeface(), Typeface.BOLD);
}
});
categoryLayout.addView(v);
}
Every time an image is clicked, the text is set bold to indicate which button was clicked. My problem is that I only want one button to be clickable at a time. I thought of, each time a button is clicked, reseting the appearance of all TextView, only leaving the last text that was clicked as bold. However, I don't know how to navigate through all layouts that have been generated.
I hope I was clear, thank you if you can help me !

That might not be the most efficient way to solve this problem, but it works. Every time the button is clicked, the icon selected is saved. Then, I use removeAllViews() method on the RadioGroup, and recreate the views. I just make sure the text below the previously selected icon is set bold.

Inflated xml Layout with a TextView has an onClick attribute, but it does not get called.

I have an XML layout file that has a TextView within a CoordinatorLayout.
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
xmlns:tools="http://schemas.android.com/tools"
tools:context=".SpecificProgramSelectionActivity">
<TextView
android:layout_width="match_parent"
android:layout_height="75dp"
android:id="#+id/saved_program"
android:text="Empty"
android:textAlignment="center"
android:gravity="fill"
android:textSize="20dp"
android:background="#drawable/program_selection_border"
android:textColor="#color/black"
android:clickable="true"
android:focusable="true"
android:onClick="addToSavedPrograms"
android:paddingTop="5dp"
android:paddingBottom="5dp"/>
And this code that inflates the layout and adds it into a Linear Layout in the activity's view.
for (PlayerWithObjectives player : players){
name = player.getName();
for (String objective : player.getObjectives()){
objectives.add(objective);
}
nameView = inflater.inflate(R.layout.inflatable_player_name_view, null);
((TextView)nameView.findViewById(R.id.saved_program)).setText(name);
((TextView)nameView.findViewById(R.id.saved_program)).setTextAlignment(View.TEXT_ALIGNMENT_CENTER);
((TextView)nameView.findViewById(R.id.saved_program)).setTextSize(20);
linearLayout.addView(nameView);
}
(This is the activity's layout XML)
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".SpecificProgramSelectionActivity"
android:orientation="vertical">
<ScrollView
android:layout_width="match_parent"
android:layout_height="wrap_content">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:id="#+id/specific_program_selection_linear_layout">
</LinearLayout>
</ScrollView>
Everything looks fine in the app when I run it. Every inflated view shows up, the only issue is that the method that I specified in the onClick attribute for the inflated TextView does not get called. Why is that? Here is the method that is supposed to be called
public void addToSavedPrograms(View view){
String name = (String) (((TextView)view.findViewById(R.id.saved_program)).getText());
namesToSend.add(name);
editor.putStringSet("Tracked Players", namesToSend);
editor.commit();
Toast.makeText(getApplicationContext(),name + " was saved to preferences.", Toast.LENGTH_SHORT);
}
Why doesn't the method get called? I already saw all the other threads about using setContent() and stuff but that didn't work and it was not explained that great in the answer. Any help would be greatly appreciated.

public class YourActivity extends AppCompatActivity implements OnClickListener{
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
TextView textview=(TextView)findViewById(R.id.saved_program);
textview.setOnClickListener(this);
}
#Override
public void onClick(View view) {
switch(view.getId()){
case R.id.saved_program:
//call your function here
default:
break;
}
}
you can do it like this.

Update:
First off, thank you to everybody that commented, your help was greatly appreciated. Your no judgment assistance is an awesome and welcome change from a lot of what I have experienced and seen on in this community.
Secondly, I figured out my issue. Or got my code to work at least. Once I got a better understanding of inflating layouts I changed this line of code
nameView = inflater.inflate(R.layout.inflatable_player_name_view, null);
To
nameView = (TextView) inflater.inflate(R.layout.inflatable_add_player_name_view, linearLayout, false);
The difference is that When you inflate, it returns an object that is the same type as the top parent in the specified layout file (Which in this case is "R.layout.inflatable_player_name_view"). So I changed nameView to a TextView object and cast the returned object as a TextView. Then I specified the wanted parent layout (To get the right layoutParams) and put false so that it does not attach it automatically to that parent layout. After that I simply made the alterations to the textView that I wanted, like setting the text values and whatnot, and then manually added it to the parent linearlayout that I wanted. After doing this there was not even a need to set an onClickListener programmatically because the android:onClick method worked just fine.

How to create a terminal/console

i wanted to create a terminal/console, where the user can enter commands. I know java, but i'm new to xml, so i wanted to know how i can spawn text under text and if it gets to long it should be scrollable, here's a picture:
and here's my xml cpde for it:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#d1d1d1">
<LinearLayout
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:weightSum="1">
<EditText
android:layout_width="175dp"
android:layout_height="wrap_content"
android:id="#+id/consoleText"
android:layout_gravity="bottom"
android:hint="Command"
android:layout_weight="0.99" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Send"
android:id="#+id/sendButton"
android:layout_gravity="bottom" />
</LinearLayout>
</LinearLayout>
and here's my code for getting the text:
public class FragmentConsole extends Fragment{
EditText text;
Button button;
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.console,
container, false);
button = (Button) view.findViewById(R.id.sendButton);
text = (EditText)view.findViewById(R.id.consoleText);
button.setOnClickListener(new View.OnClickListener()
{
#Override
public void onClick(View v)
{
Log.v("EditText", text.getText().toString());
}
});
return view;
}
}
So i will use some photoshopped pictures to show what i want to do, so each time i enter a command in this case i will use the example "command one","command two" & "command three", so and if i click the send button after each of them they should apper like this:
so and if the text reaches this black bar:
the above added text should get pushed in a scrollview and every new text will also get part of the scrollview, so that you can scroll through your commands later on.
I know this is a long post and i hope it is clear what i want to do and someone will know how i could do this. So thanks in advance :)

For this task you should consider using ListView and add every command as new row in this view. It'll also take care for scrolling and you'r text wont colide with your EditText.

Finding the ID of a widget in a view class

What I have is a canvas that takes up nearly all of the screen, then under that I want a row of buttons and some other widgets. So I did this.
XML Code
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:id="#+id/myLayout"
android:orientation="vertical"
android:layout_height="match_parent" >
<com.zone.manager.Tab3
android:id="#+id/tab3_display"
android:layout_width="fill_parent"
android:layout_height="620dp" />
<LinearLayout
android:layout_width="match_parent"
android:orientation="horizontal"
android:layout_height="match_parent" >
<Button
android:id="#+id/addZone"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Add Zone" />
<Button
android:id="#+id/helpZone"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Help" />
<SeekBar
android:id="#+id/seekBar1"
android:paddingTop="9dp"
android:layout_width="179dp"
android:layout_height="wrap_content" />
</LinearLayout>
Java Code
public class Tab3 extends View implements OnTouchListener, OnClickListener {
public Tab3(Context context, AttributeSet attrs) {
View parent = (View) getParent();
addZone = (Button) parent.findViewById(R.id.addZone);
addZone.setOnClickListener(this);
}
#Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
. . . draws a bunch of stuff
}
#Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.addZone:
String w = "W~20~0~0~0~0~0";
Log.d("ZoneSize", "Zone set");
MyApplication.preferences.edit().putString( "ZoneSize", w ).commit();
MyApplication.preferences.edit().putBoolean("ZoneSizeReady", true).commit();
break;
}
}
However my problem with this is that I believe the code is not reconising where the addZone is. Because when I have the addZone.setOnClickListener active my program will crash, but when I don't have it active the layout looks like how I want it. What must I do to fix this?

addZone = (Button) findViewById(R.id.addZone);
addZone will be null because com.zone.manager.Tab3 does not have any children
So it is obvious that your code will crash
So either you will give com.zone.manager.Tab children which require also to change the base class from View to ViewGroup,
or you start with com.zone.manager.Tab parent. Something like
View parent = (View) getParent ();
addZone = (Button) parent.findViewById(R.id.addZone);

i have some tips which will make you avoid such weird bugs and others:
the code of the custom view relies on an xml layout that uses the custom view .
this is bad coding.
instead, you should use LayoutInflater , use a layout xml file for the custom view for it , and then do the "findViewById" and add the clickListeners to any view inside that you wish.
i think it's also wrong to set the custom view to hold the click listener of the other views without checking which of them was clicked . either add a check , or add a different listener for each of them (which i personally prefer) .