My MainActivity:
import android.support.annotation.NonNull;
import android.support.design.widget.BottomNavigationView;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentTransaction;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.MenuItem;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import java.util.ArrayList;
public class MainActivity extends AppCompatActivity {
ArrayList<Liste> items;
ListView listView;
ArrayAdapter arrayAdapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
BottomNavigationView bottomNavigationView=(BottomNavigationView) findViewById(R.id.navigation);
bottomNavigationView.setOnNavigationItemSelectedListener(new BottomNavigationView.OnNavigationItemSelectedListener() {
@Override
public boolean onNavigationItemSelected(@NonNull MenuItem item) {
Fragment selectedFragment=null;
switch (item.getItemId()){
case R.id.item1:
selectedFragment=ItemOneFragment.newInstance();
fragment1();
break;
case R.id.item2:
selectedFragment=ItemTwoFragment.newInstance();
fragment2();
break;
case R.id.item3:
selectedFragment=ItemThreeFragment.newInstance();
fragment3();
break;
}
FragmentTransaction transaction=getSupportFragmentManager().beginTransaction();
transaction.replace(R.id.frame_layout,selectedFragment);
transaction.commit();
return true;
}
});
FragmentTransaction transaction=getSupportFragmentManager().beginTransaction();
transaction.replace(R.id.frame_layout,ItemOneFragment.newInstance());
transaction.commit();
}
public void fragment1(){
}
public void fragment2(){
}
public void fragment3(){
items=new ArrayList<>();
items.add(new Liste("Hiiii",android.R.drawable.ic_dialog_info));
// items.add(new Liste("Hiiii",R.drawable.));
listView=(ListView) findViewById(R.id.listv);
arrayAdapter=new Adapter(this,items);
listView.setAdapter(arrayAdapter);
}
}
import android.support.annot