Inflater

MainActivity.java

===== MainActivity.java=====

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        LinearLayout lyMain = findViewById(R.id.ly_main);

        LayoutInflater inflater = getLayoutInflater();

        for (int i = 0; i < 30; i++) {
            View myLayout = inflater.inflate(R.layout.carre, lyMain, false);
            myLayout.setBackgroundColor(ContextCompat.getColor(this, R.color.colorAccent));
            TextView tv2 = myLayout.findViewById(R.id.textView2);
            tv2.setText("Texte " + i);

            lyMain.addView(myLayout);
        }
    }
}

activity_main.xml

===== activitymain.xml ===== <sxh 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/lyconst”

  android:layout_width="match_parent"
  android:layout_height="match_parent"
  tools:context=".MainActivity">

  <Button
      android:id="@+id/bt_second"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:text="button"
      app:layout_constraintBottom_toBottomOf="parent"
      app:layout_constraintEnd_toEndOf="parent"
      app:layout_constraintHorizontal_bias="0.5"
      app:layout_constraintStart_toStartOf="parent"
      app:layout_constraintTop_toTopOf="parent" />

  <TextView
      android:id="@+id/tv_name"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:text="TextView"
      app:layout_constraintBottom_toTopOf="@+id/bt_second"
      app:layout_constraintEnd_toEndOf="parent"
      app:layout_constraintHorizontal_bias="0.5"
      app:layout_constraintStart_toStartOf="parent"
      app:layout_constraintTop_toTopOf="parent" />

  <HorizontalScrollView
      android:layout_width="match_parent"
      android:layout_height="wrap_content"
      app:layout_constraintEnd_toEndOf="parent"
      app:layout_constraintHorizontal_bias="0.5"
      app:layout_constraintStart_toStartOf="parent"
      app:layout_constraintTop_toBottomOf="@+id/bt_second">

      <LinearLayout
          android:id="@+id/ly_main"
          android:layout_width="wrap_content"
          android:layout_height="match_parent"
          android:orientation="horizontal" />
  </HorizontalScrollView>

</androidx.constraintlayout.widget.ConstraintLayout> </sxh>

carre.xml

===== carre.xml =====

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_marginHorizontal="5dp">

    <TextView
        android:id="@+id/textView2"
        android:layout_width="100dp"
        android:layout_height="100dp"
        android:layout_marginHorizontal="5dp"
        android:backgroundTint="#3A79D8"
        android:foregroundGravity="center"
        android:gravity="center"
        android:text="TextView"
        android:textAlignment="gravity" />
</RelativeLayout>