I'm trying to add a layout fragment, but I keep getting the error:
Caused by: java.lang.IllegalStateException: The specified child already has a parent. You must call removeView() on the child's parent first.
This is how the fragment is contained in rev_lay_drawer_nav.xml:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<LinearLayout
android:id="#+id/helpAboutLL"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<Button
android:id="#+id/about_bags_bttn"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="About BAGS" />
<Button
android:id="#+id/help_bttn"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:src="#drawable/rev_dr_thinner_help_top"
android:text="Help" />
</LinearLayout>
</LinearLayout>
This is how I'm calling it:
mContext = context;
revLayDrawerLayoutInflater = LayoutInflater.from( mContext );
revLayDrawerView = revLayDrawerLayoutInflater.inflate( R.layout.rev_lay_drawer_nav, null, false );
LinearLayout helpAboutLL = (LinearLayout) revLayDrawerView.findViewById(R.id.helpAboutLL);
LinearLayout revDrawerNavViewContainer = new LinearLayout(mContext);
revDrawerNavViewContainer.setOrientation(LinearLayout.VERTICAL);
revDrawerNavViewContainer.addView( helpAboutLL );
What is the right way to go about it?
The fact that you used findViewById means that you already have a view with a parent layout.
And you can't add a view to another layout while it has that other parent view.
It's not clear why you need nested LinearLayouts so change your XML
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/helpAboutLL"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<Button
android:id="#+id/about_bags_bttn"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="About BAGS" />
<Button
android:id="#+id/help_bttn"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:src="#drawable/rev_dr_thinner_help_top"
android:text="Help" />
</LinearLayout>
And inflate and add just that
LinearLayout revDrawerNavViewContainer = new LinearLayout(mContext);
revDrawerNavViewContainer.setOrientation(LinearLayout.VERTICAL);
View helpAboutLL = revLayDrawerLayoutInflater.inflate( R.layout.rev_lay_drawer_nav, null, false );
revDrawerNavViewContainer.addView( helpAboutLL );
Related
LayoutInflater layoutinflater = (LayoutInflater)getBaseContext().getSystemService(LAYOUT_INFLATER_SERVICE);
View popupView = layoutInflater.inflate(R.layout.example,null);
final PopupWindow popupWindow = new PopupWindow(popupView, ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
Here's the child views that I'm trying to set the padding in.
Imageview img = popupView.findViewById(R.id.image);
I tried to set the padding in XML by 10dp in all corners but the image is still the same, I event put it in the java file. img.setPadding(10, 10,10,10); yet still the same imageview.
XML
<?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"
xmlns:tools="http://schemas.android.com/tools"
android:id="#+id/rotaset"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="#drawable/customborder">
<androidx.constraintlayout.widget.ConstraintLayout
android:id="#+id/layoutagain"
android:layout_width="145dp"
android:layout_height="163dp"
android:layout_margin="1dp"
tools:layout_editor_absoluteX="16dp"
tools:layout_editor_absoluteY="14dp">
<ImageView
android:id="#+id/example"
android:layout_width="48dp"
android:layout_height="48dp"
android:layout_marginStart="16dp"
android:layout_marginTop="10dp"
android:background="#drawable/zonesstyle"
android:scaleType="fitXY"
android:padding="10dp"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/Simulate" />
</androidx.constraintlayout.widget.ConstraintLayout>
</androidx.constraintlayout.widget.ConstraintLayout>
I want to display a textview as a last item of List View. Here is my xml code -
<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"
android:orientation="vertical"
tools:context="com.activity.MainActivity">
<FrameLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:paddingTop="8dp">
<android.support.v4.widget.SwipeRefreshLayout
android:id="#+id/swiperefresh"
android:layout_width="match_parent"
android:layout_height="match_parent">
<ListView
android:id="#android:id/list"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:clipToPadding="false"
android:paddingBottom="60dp" />
</android.support.v4.widget.SwipeRefreshLayout>
</FrameLayout>
</LinearLayout>
The list view will display card view one below other. However I want a textview as last item in the list.
For example, if i have 1 card view, I need to display textview below that.
If I have 2 card views, I need to display textview below the second card view.
How can I achieve this?
inflate your view like this.
LayoutInflater layoutInflater = (LayoutInflater)
context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View root = layoutInflater.inflate(R.layout.yourLayout, null);
// for footerclick
//add code her root.setOnClickListner(...)
listView.addFooterView(root, null, true);
for click try this
listview.setOnItemClickListener(new AdapterView.OnItemClickListener() {
public void onItemClick(AdapterView<?> listView, View view, final int position, long id) {
if(position < adapter.getCount()){
Log.d("test","working");
}
}
});
on Refresh listview
mListView.removeFooterView(root);
This can be solved by adding a footer to the list view.
It is very simple, just create a layout with the required Textview. Add it as a footer to the list view as below.
listView.addFooterView(footerView);
Please find more reference to adding footer from this Question.
You can wrap your ListView in LinearLayout and add TextView just below it. Then wrap that with NestedScrollView and set fillViewPort to true to still be able to scroll when TextView goes beyond screen
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context="com.activity.MainActivity">
<FrameLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:paddingTop="8dp">
<android.support.v4.widget.SwipeRefreshLayout
android:id="#+id/swiperefresh"
android:layout_width="match_parent"
android:layout_height="match_parent">
<android.support.v4.widget.NestedScrollView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fillViewport="true">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical">
<ListView
android:id="#android:id/list"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:clipToPadding="false"
android:paddingBottom="60dp" />
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Footer text view" />
</LinearLayout>
</android.support.v4.widget.NestedScrollView>
</android.support.v4.widget.SwipeRefreshLayout>
</FrameLayout>
</LinearLayout>
I have this code:
findViewById(R.id.button2).setOnClickListener(new View.OnClickListener()
{
//Se aggiungo un fragment A al container X e aggiungo il fragment B allo stesso container, il fragment B andrà sopra
//il fragment A
#Override
public void onClick(View v)
{
FragmentManager fragmentManager = getSupportFragmentManager();
FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
if(ko==0)
{
MyFragment fragment = MyFragment.createFragment(0);
fragmentTransaction.add(R.id.formazione3,fragment);
ko++;
}
else if(ko==1)
{
MyFragment fragment = MyFragment.createFragment(1);
fragmentTransaction.add(R.id.formazione2,fragment);
ko++;
}
else if(ko==2)
{
MyFragment fragment = MyFragment.createFragment(2);
fragmentTransaction.add(R.id.moduli2,fragment);
ko++;
}
else if(ko==3)
{
MyFragment fragment = MyFragment.createFragment(1);
fragmentTransaction.add(R.id.moduli5,fragment);
}
fragmentTransaction.commit();
}
});
Well, I'm experiencing the order of addition of fragments. I have 4 fragments and I don't understand why some fragments, when I add them, go under the bigger fragment, while other ones go on the bigger fragment in their container.
formazione3>formazione2 (formazione2 is contained in formazione3)
moduli2>moduli5 (moduli5 is contained in moduli2, moduli2 is contained in part in formazione3)
When I add the second fragment, it doesn't show, I think that it goes under the previous fragment, so it goes under the bigger. When I add the third fragment, it goes in part under the first fragment, the first is bigger. When I add the fourth fragment, it goes on the third, but the third is bigger than the fourth and above all the the fourth is contained in the third. How does it work? I don't understand at all!
This is the layout:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.example.utente.fantacalcio.FormazioniActivity"
android:weightSum="1"
android:id="#+id/activity_formazioni_layout">
<Button
android:text="Button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_marginTop="12dp"
android:id="#+id/button2" />
<Button
android:text="Button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerVertical="true"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:id="#+id/button" />
<LinearLayout
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_alignParentTop="true"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true">
<RelativeLayout
android:layout_width="107dp"
android:layout_height="match_parent"
android:id="#+id/moduli">
</RelativeLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="#+id/formazione">
</RelativeLayout>
</LinearLayout>
<LinearLayout
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="match_parent">
<RelativeLayout
android:layout_width="92dp"
android:layout_height="match_parent"
android:id="#+id/moduli1">
</RelativeLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="#+id/formazione1">
</RelativeLayout>
</LinearLayout>
<LinearLayout
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="match_parent">
<RelativeLayout
android:layout_width="71dp"
android:layout_height="match_parent"
android:id="#+id/moduli2">
</RelativeLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="#+id/formazione2">
</RelativeLayout>
</LinearLayout>
<LinearLayout
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="match_parent">
<RelativeLayout
android:layout_width="51dp"
android:layout_height="match_parent"
android:id="#+id/moduli3">
</RelativeLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="#+id/formazione3">
</RelativeLayout>
</LinearLayout>
<LinearLayout
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="match_parent">
<RelativeLayout
android:layout_width="29dp"
android:layout_height="match_parent"
android:id="#+id/moduli4">
</RelativeLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="#+id/formazione4">
</RelativeLayout>
</LinearLayout>
<LinearLayout
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="match_parent">
<RelativeLayout
android:layout_width="11dp"
android:layout_height="match_parent"
android:id="#+id/moduli5">
</RelativeLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="#+id/formazione5">
</RelativeLayout>
</LinearLayout>
Your parent layout is a RelativeLayout , the default behavior for this layout is that first child view is under the last child view.
In your xml this child :
<LinearLayout
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="match_parent">
<RelativeLayout
android:layout_width="51dp"
android:layout_height="match_parent"
android:id="#+id/moduli3">
</RelativeLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="#+id/formazione3">
</RelativeLayout>
</LinearLayout>
is under this child view :
<LinearLayout
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="match_parent">
<RelativeLayout
android:layout_width="71dp"
android:layout_height="match_parent"
android:id="#+id/moduli2">
</RelativeLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="#+id/formazione2">
</RelativeLayout>
</LinearLayout>
so when the views are inflating , this is the opposite formazione3 is over formazione2.
Moreover your LinearLayout have these attributes :
android:layout_width="match_parent"
android:layout_height="match_parent"
so they take all the place available.
Try to set fixe size in dp instead of match_parent to see what's really happen.
Hope this helps.
Sorry for my poor english.
I have a hidden layout.
add_event_price.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:id="#+id/add_event_price_layout"
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="10dp">
<EditText android:id="#+id/add_event_wording"
android:layout_width="0dp"
android:layout_weight="2"
android:layout_height="wrap_content"
android:hint="#string/event_wording_hint" />
<EditText android:id="#+id/add_event_price"
android:layout_width="0dp"
android:layout_weight="1"
android:layout_height="wrap_content"
android:inputType="number"
android:hint="#string/event_price_hint" />
<ImageButton android:id="#+id/add_event_cross"
android:layout_width="0dp"
android:layout_weight="1"
android:layout_height="wrap_content"
android:src="#drawable/cross"
android:background="#null"
android:layout_gravity="center_vertical"
android:contentDescription="#string/delete" />
</LinearLayout>
When clicking on a button in the main layout, the hidden layout appears.
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="#dimen/activity_vertical_margin"
android:paddingLeft="#dimen/activity_horizontal_margin"
android:paddingRight="#dimen/activity_horizontal_margin"
android:paddingTop="#dimen/activity_vertical_margin"
android:background="#color/app_background_color">
<LinearLayout
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<LinearLayout android:id="#+id/add_event_dynamic"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="wrap_content">
</LinearLayout>
<Button android:id="#+id/add_event_add_field"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#null"
android:text="#string/add_event_add_field" />
</LinearLayout>
</ScrollView>
add_event_add_field.setOnClickListener(new OnClickListener() {
#Override
public void onClick(View v) {
LinearLayout priceLayout = (LinearLayout) rootView.findViewById(R.id.add_event_price_layout);
LinearLayout dynamicLayout = (LinearLayout) rootView.findViewById(R.id.add_event_dynamic);
View hidden = inflater.inflate(R.layout.add_event_price, priceLayout, false);
dynamicLayout.addView(hidden);
}
});
Adding the hidden layout dynamically works but I don't know how to retrieve the values of the EditText in the hidden layout, and delete a view when clicking on the corresponding add_event_cross ImageButton.
First, you can call findViewById on dynamicLayout:
EditText et = (EditText) dynamicLayout.findViewById(R.id.add_event_wording);
Second, I suggest not to show/hide layout by adding view. Just put the dynamicLayout inside your main layout and use something like:
dynamicLayout.setVisibility(LinearLayout.GONE); //makes the layout hidden
I have not tested the code but you can build upon it.
I have two layouts, this is the parent layout:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/LinearLayout1"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<LinearLayout
android:id="#+id/layoutTop"
android:layout_width="match_parent"
android:layout_height="0dip"
android:layout_weight="90"
android:background="#FF0000"
android:gravity="center"
android:orientation="vertical" >
</LinearLayout>
<LinearLayout
android:id="#+id/layoutBottom"
android:layout_width="match_parent"
android:layout_height="0dip"
android:layout_weight="10"
android:gravity="center"
android:orientation="vertical" >
<TextView
android:id="#+id/txtTimer"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Time: 00:00:00"
android:textColor="#FF0000"
android:textSize="25dip" />
</LinearLayout>
</LinearLayout>
And this is the child layout:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#00FF00"
android:orientation="vertical" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<TextView
android:layout_width="match_parent"
android:layout_height="fill_parent"
android:gravity="center"
android:text="Hello World" />
</LinearLayout>
</LinearLayout>
However, when I put the child view in id/layoutTop, it doesn't fill the parent like it's supposed to. This is the result:
This is the code where the id/layoutTop's content is replaced: (This gets called via an event from the child be removed)
public void OnVictory(GamePanel sender, GamePanel next) {
if(next != null){
gamePanel.removeView(sender);
gamePanel.addView(next);
next.triggerOnDisplay();
}else{
Toast.makeText(getBaseContext(), "Victory!", Toast.LENGTH_LONG).show();
}
}
sender is the old view there, next is the one to be put in place, and gamePanel is id/layoutTop
And this is how the inner layout is created:
private void initialize() {
LayoutInflater layoutInflater = (LayoutInflater) getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
layoutInflater.inflate(R.layout.appetizerfakeout,this);
}
Why is my inner view not filling the parent?