tak wygląda cały kod:
package com.medi.alcowhole;
import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.text.TextUtils;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.AdapterView;
import android.widget.Button;
import android.widget.ListView;
import android.widget.SeekBar;
import android.widget.Spinner;
import android.widget.TextView;
import android.widget.Toast;
import com.google.firebase.database.DataSnapshot;
import com.google.firebase.database.DatabaseError;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;
import com.google.firebase.database.ValueEventListener;
import java.util.ArrayList;
import java.util.List;
public class Piwo_AddKryterium extends AppCompatActivity {
TextView textViewAlkoholName, textViewRating;
SeekBar seekBarRating;
Spinner spinnerKryteria;
Button buttonAddKryterium;
ListView listViewKryteria;
DatabaseReference databaseKryteria;
List<Kryterium> kryteria;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.piwo_activity_add_kryterium);
textViewAlkoholName = (TextView) findViewById(R.id.textViewAlkoholName);
seekBarRating = (SeekBar) findViewById(R.id.seekBarRating);
textViewRating = (TextView) findViewById(R.id.textViewRating);
buttonAddKryterium = (Button) findViewById(R.id.buttonAddKryterium);
listViewKryteria = (ListView) findViewById(R.id.listViewKryteria);
spinnerKryteria = (Spinner) findViewById(R.id.spinnerKryteria);
Intent intent = getIntent();
kryteria = new ArrayList<>();
String id = intent.getStringExtra(Piwo_Program.ALKOHOL_ID);
String name = intent.getStringExtra(Piwo_Program.ALKOHOL_NAME);
textViewAlkoholName.setText(name);
databaseKryteria = FirebaseDatabase.getInstance().getReference("piwo_kryteria").child(id);
buttonAddKryterium.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
saveKryterium();
}
});
seekBarRating.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
@Override
public void onProgressChanged(SeekBar seekBar, int i, boolean b) {
textViewRating.setText(String.valueOf(i));
}
@Override
public void onStartTrackingTouch(SeekBar seekBar) {
}
@Override
public void onStopTrackingTouch(SeekBar seekBar) {
}
});
listViewKryteria.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {
}
});
listViewKryteria.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {
@Override
public boolean onItemLongClick(AdapterView<?> adapterView, View view, int i, long l) {
Kryterium kryterium = kryteria.get(i);
showUpdateDialog(kryterium.getKryteriumId(), kryterium.getKryteriumName());
return true;
}
});
}
@Override
protected void onStart() {
super.onStart();
databaseKryteria.addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
kryteria.clear();
for(DataSnapshot kryteriumSnapshot : dataSnapshot.getChildren()){
Kryterium kryterium = kryteriumSnapshot.getValue(Kryterium.class);
kryteria.add(kryterium);
}
KryteriumList kryteriumListAdapter = new KryteriumList(Piwo_AddKryterium.this, kryteria);
listViewKryteria.setAdapter(kryteriumListAdapter);
}
@Override
public void onCancelled(DatabaseError databaseError) {
}
});
}
private void saveKryterium(){
String kryteriumName = spinnerKryteria.getSelectedItem().toString();
int rating = seekBarRating.getProgress();
if(!TextUtils.isEmpty(kryteriumName)){
String id = databaseKryteria.push().getKey();
Kryterium kryterium = new Kryterium(id, kryteriumName, rating);
databaseKryteria.child(id).setValue(kryterium);
Toast.makeText(this, "Kryterium zapisane poprawnie", Toast.LENGTH_LONG).show();
}else{
Toast.makeText(this, "Nazwa kryterium nie może pozostać pusta", Toast.LENGTH_SHORT).show();
}
}
private void showUpdateDialog(final String kryteriumId, String kryteriumName){
AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);
LayoutInflater inflater = getLayoutInflater();
final View dialogView = inflater.inflate(R.layout.piwo_update_dialog_kryterium, null);
dialogBuilder.setView(dialogView);
final Spinner spinnerKryteria = (Spinner) dialogView.findViewById(R.id.spinnerKryteria);
final Button buttonUpdate = (Button) dialogView.findViewById(R.id.buttonUpdate);
final SeekBar seekBarRating = (SeekBar) dialogView.findViewById(R.id.seekBarRating);
final Button buttonDelete = (Button) dialogView.findViewById(R.id.buttonDelete);
dialogBuilder.setTitle("Aktualizacja Kryterium: " + kryteriumName);
final AlertDialog alertDialog = dialogBuilder.create();
alertDialog.show();
buttonUpdate.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
String kryteriumName = spinnerKryteria.getSelectedItem().toString();
int rating = seekBarRating.getProgress();
updateKryterium(kryteriumId, kryteriumName, rating);
alertDialog.dismiss();
}
});
buttonDelete.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
deleteKryterium(kryteriumId);
alertDialog.dismiss();
}
});
}
private void deleteKryterium(String kryteriumId) {
DatabaseReference drKryteria = FirebaseDatabase.getInstance().getReference().child(kryteriumId);
drKryteria.child(kryteriumId).removeValue();
Toast.makeText(this,"Kryterium zostało usunięte", Toast.LENGTH_LONG).show();
}
private boolean updateKryterium(String id, String name, int rating){
Kryterium kryterium = new Kryterium(id, name, rating);
databaseKryteria.child(id).setValue(kryterium);
Toast.makeText(this, "Nazwa kryterium zaktualizowana", Toast.LENGTH_LONG).show();
return true;
}
}