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I want to add the same cardView of my xml underneath the first one when i clic on the add Button and that can be maked endlessly

Hello i'm stcuk by a little problem,
I want to add a new CardView with same set of the first CardView underneath the first Cardview only when i click on my button and this action can be repetable endlessly.
Because i'm beginner in android and i have litterally no idea how to make that.
If anyone can Copy Past this code and help me i will be very happy.
I know the spinner is void but its for after i just want to duplicate this.
my activity :
package com.example.lif.test;
public class testActivity extends AppCompatActivity {
Spinner idSpinnerLance;
EditText idEdtTempsLance;
TextView idTextViewPuissance, textViewTitre;
Button idButtonAdd;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_test);
idSpinnerLance = findViewById(R.id.idSpinnerLance);
idEdtTempsLance = findViewById(R.id.idEdtTempsLance);
textViewTitre = findViewById(R.id.textViewTitre);
idTextViewPuissance = findViewById(R.id.idTextViewPuissance);
idButtonAdd = findViewById(R.id.idButtonAdd);
idButtonAdd.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
}
});
}
}
and my xml code :
<?xml version="1.0" encoding="utf-8"?>
<ScrollView
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">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context=".test.testActivity">
<androidx.cardview.widget.CardView
android:layout_width="match_parent"
android:layout_height="match_parent"
app:cardCornerRadius="10dp"
android:layout_margin="2dp">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Ajouter une lance :"
android:textColor="?android:textColorPrimary"
android:textSize="15dp"
android:textStyle="bold" />
<Spinner
android:id="#+id/idSpinnerLance"
android:layout_width="150dp"
android:layout_height="47dp" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Temps :"
android:textColor="?android:textColorPrimary"
android:textSize="15dp"
android:textStyle="bold" />
<EditText
android:id="#+id/idEdtTempsLance"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:inputType="phone" />
</LinearLayout>
</androidx.cardview.widget.CardView>
<Button
android:id="#+id/idButtonAdd"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="add" />
</LinearLayout>
</ScrollView>
thank you

If those CardView will contain different data you can use a RecyclerView and on button click you can add an item in the list and notify the adapter this will add a new item(here item is your CardView created in a different XML file) on screen.
This could be helpful
and this too

How to set id for each item in a view dynamically?

I am new in android and tried to learn how to make an add button which add Views in a certain view dynamically when clicked. But i meet the problem that not sure how to set id for each item in the layout which i want to insert into another view.
Here is the main_view:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout 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="horizontal"
tools:context=".MainActivity">
<LinearLayout
android:id="#+id/container_layout"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="wrap_content"
/>
<Button
android:id="#+id/add_button"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="#id/container_layout"
android:text="add"
/>
</RelativeLayout>
Here is my code:
public class MainActivity extends AppCompatActivity {
public int index_num;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Button add_button = findViewById(R.id.add_button);
final LayoutInflater layoutInflater = getLayoutInflater();
final ViewGroup insertPoint = findViewById(R.id.container_layout);
index_num = 0;
add_button.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
View new_view = layoutInflater.inflate(R.layout.new_layout,insertPoint, false);
insertPoint.addView(new_view);
index_num++;
}
});
}
}
And here is the layout which i want to insert the main view which includes 3 Edittext:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="horizontal" android:layout_width="match_parent"
android:layout_height="match_parent">
<EditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:inputType="number"/>
<EditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:inputType="number"/>
<EditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:inputType="number"/>
</LinearLayout>
Can someone teach me how to set different id for the three edittext when i pressed the add button?

As #Rasoul Miri said, you can use View.generateViewId() to set id for newly inserted views, and you should use a list to record them. And also you should set the id for those three items.
like these:
for the inserted view
<EditText
android:id="#+id/one_view"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:inputType="number"/>
<EditText
android:id="#+id/two_view"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:inputType="number"/>
<EditText
android:id="#+id/three_view"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:inputType="number"/>
for the MainActivity
public ArrayList<InsertedView> list;
public void addView() {
View new_view = layoutInflater.inflate(R.layout.new_layout,insertPoint, false);
insertPoint.addView(new_view);
index_num++;
InsertedView insertedView = new InsertedView(View.generateViewId(), View.generateViewId(), View.generateViewId());
new_view.findViewById(R.id.one_view).setId(insertedView.firstId);
new_view.findViewById(R.id.two_view).setId(insertedView.secondId);
new_view.findViewById(R.id.three_view).setId(insertedView.thirdId);
list.add(insertedView);
}
class InsertedView {
public int firstId;
public int secondId;
public int thirdId;
public InsertedView(int one, int two, int three) {
firstId = one;
secondId = two;
thirdId = three;
}
}

you can use these ways
use View
view.setId(View.generateViewId());
use ViewCompat
ViewCompat.generateViewId()
use ConstraintLayout
ConstraintLayout.generateViewId()

Accessing element from same layout parent

i have a listview with different components (2 linear layouts and a button) , what i want to do is when i click on a button that's inside one of those linear layouts , i want to access a textview that's inside the other linearlayout , is it possible ?
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<ListView
android:id="#+id/listV2"
android:layout_width="match_parent"
android:layout_height="wrap_content">
</ListView>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<ImageView
android:id="#+id/icon"
android:layout_width="85dp"
android:layout_height="wrap_content" />
<LinearLayout
android:layout_width="150dp"
android:layout_height="wrap_content"
android:orientation="vertical">
<TextView
android:id="#+id/nom"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textColor="#color/textCname"
android:textSize="21dp"
android:textStyle="bold" />
<TextView
android:id="#+id/numero"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textSize="12dp"
android:textColor="#color/textCother"
android:textStyle="italic" />
<TextView
android:id="#+id/ville"
android:layout_width="match_parent"
android:textColor="#color/textCother"
android:layout_height="wrap_content"
android:textSize="12dp"
android:textStyle="italic" />
</LinearLayout>
<Button
android:layout_width="50dp"
android:layout_height="wrap_content"
android:visibility="invisible" />
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_gravity="end"
>
<ImageView
android:id="#+id/remove"
android:onClick="contactRemove"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<ImageView
android:id="#+id/edit"
android:onClick="contactEdit"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="22dp"/>
<ImageView
android:onClick="contactCall"
android:id="#+id/call"
android:layout_marginLeft="22dp"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</LinearLayout>
</LinearLayout>
</RelativeLayout>
what i want to do is access the value of android:id="#+id/numero"
when i click on one of the image views

You can set OnClickListener interface provided by View class. Something like this.
Implement listener on your activity class
public class SpinnerActivity extends AppCompatActivity implements
View.OnClickListener
Declare class level variables for your views
private TextView tvNumero;
private ImageView ivRemove, ivEdit, ivContactCall;
Find initialise value in onCreate() method
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_gildi_spinner);
tvNumero = (TextView) findViewById(R.id.numero)
ivRemove = (ImageView) findViewById(R.id.remove);
ivEdit = (ImageView) findViewById(R.id.edit);
ivContactCall = (ImageView) findViewById(R.id.contactCall);
ivRemove.setOnClickListener(this);
ivEdit.setOnClickListener(this);
ivContactCall.setOnClickListener(this);
}
Implemented class from Onclickistener, where you get on click event for your registered views
#Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.remove:
case R.id.edit:
case R.id.contactCall:
Toast.makeText(this, tvNumero.getText().toString(), Toast.LENGTH_SHORT).show();
break;
}
}
NOTE : tvNumero.getText().toString() gives you the value of your desired TextView.
UPDATE :
Firstly replace your ListView with RecyclerView
Refer RecyclerView Example tutorial.
Secondly to achieve onClick for your listed items
Refer recyclerview-onclick tutorial.

Pass context when you create your adapter, Use that context to get the inflated view.
Adapter adapter = new Adapter(this);
Then in Adpater Class constructor :
public Adapter(Context context){
context.findViewById(R.id.textview);//consider this as numero textview
}
Then access it as per your requirement. Hope it helps!

How to show a marquee text in every activity

How to let marquee text to show in every activity. Just write at one place and the marquee text should be reflect in every activity. How to do this..please help

here is one way to do that.
first create a BaseActivity that will be extended by every activity whose marquee is similar for every activity.
public abstract class BaseWaalaMarquee extends Activity {
FrameLayout flBaseActivity;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.base_layout_marquee);
appendView();
}
private void appendView() {
flBaseActivity = (FrameLayout) findViewById(R.id.flBaseActivity);
View mainView = getLayoutInflater().inflate(getLayout(), null);
flBaseActivity.addView(mainView);
}
public abstract int getLayout();
}
create a base layout for this activity named base_layout_marquee as below
<?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:orientation="vertical">
<TextView
android:id="#+id/fact"
android:layout_width="200dp"
android:layout_height="40dip"
android:duplicateParentState="true"
android:ellipsize="marquee"
android:focusable="true"
android:focusableInTouchMode="true"
android:marqueeRepeatLimit="marquee_forever"
android:scrollHorizontally="true"
android:singleLine="true"
android:text="Loading... More text to see if it spans or not and want more">
<requestFocus
android:duplicateParentState="true"
android:focusable="true"
android:focusableInTouchMode="true" />
</TextView>
<FrameLayout
android:id="#+id/flBaseActivity"
android:layout_width="match_parent"
android:layout_height="match_parent" />
</LinearLayout>
now create your own layout for the activity like below
<?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="#f00f0f"
android:orientation="vertical">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Your custom Layout" />
</LinearLayout>
finally create you activity that extends BaseWaalaMarquee as below
package ram.materialnavigation.opengltravis;
import ram.materialnavigation.R;
/**
* Created by view9 on 12/16/15.
*/
public class ExtendedBaseActivity extends BaseWaalaMarquee {
#Override
public int getLayout() {
return R.layout.your_custom_layout;
}
}
Now invoke ExtendedBaseActivity and see the result.
I guess this will be quite helpful for you. cheers

Simple..Take a global string variable and change it accordingly and use it in all the activities.

Android ListView creates the views but doesn't display them

I am having problems with ListView on android. I have an Activity with an EditText view and a button. The idea is user should enter some info in the EditText field, touch the Search button which retrieves a list from a web service that it is displayed in the same activity below the EditText and the Button. Everything fine, I got the data from Internet but items weren't displaying. I was using the notifyDataSetChanged(). After a couple of hours with no success, I decided trying to put some items manually and it turns out that again nothing was displayed, hence I think I am doing something wrong when I am trying to set the listview and the adapter. So here is the code..
the xml of the activity activity_search.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_margin="5dp">
<EditText
android:id="#+id/edit_search"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="5"
android:inputType="text"
android:hint="Enter info"
android:ems="10" >
<requestFocus />
</EditText>
<Button
android:id="#+id/button_search"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#android:drawable/ic_menu_search"
android:contentDescription="Search"
android:ems="10" />
</LinearLayout>
<ListView
android:id="#+id/listview_items"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:drawSelectorOnTop="false" />
The XML of the item row.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical"
android:layout_margin="5dp">
<TextView
android:id="#+id/row_code"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="#string/Common_TextContent"
android:textAppearance="#android:style/TextAppearance.Holo.Medium" />
<TextView
android:id="#+id/row_name"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="10dp"
android:text="#string/Common_TextContent"
android:textAppearance="#android:style/TextAppearance.Holo.Small" /></LinearLayout>
the custom Adapter:
public class ItemsListAdapter extends ArrayAdapter<ItemsList> {
private int[] colors = new int[] { 0x30ffffff, 0x30808080 };
public AssetListAdapter(Context context,
List<ItemsList> itemsList) {
super(context, 0, itemsList);
}
#Override
public View getView(int position, View convertView, ViewGroup parent) {
if (convertView == null) {
convertView = LayoutInflater.from(getContext()).inflate(R.layout.row, null);
}
convertView.setBackgroundColor(colors[position % colors.length]);
TextView code = (TextView) convertView.findViewById(R.id.row_code);
code.setText(getItem(position).getCode());
TextView name = (TextView) convertView.findViewById(R.id.row_name);
name.setText(getItem(position).getName());
return convertView;
}
and the onCreate method on the Activity
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_search);
_listView = (ListView) findViewById(R.id.listview_items);
_listItems = new ArrayList<ItemsList>();
_listItems.add(new ItemsList ("cosa1", "cosa1", "cosa1", "cosa1"));
_listItems.add(new ItemsList ("cosa2", "cosa2", "cosa2", "cosa2"));
_listItems.add(new ItemsList ("cosa3", "cosa3", "cosa3", "cosa3"));
_adapter = new ItemsListAdapter(this, _listItems);
_listView.setAdapter(_adapter);
}
The ItemsList is just an Object with 4 strings with all the getters implemented.
When I debug in the getView method of the Adapter, the view (convertView) is created and it has the right information. It is just that is not showing those in the screen. What am I doing wrong?
Thanks...

Your second LinearLayout has a height of match_parent. Try wrap_content instead.
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="5dp">