我正在为Android开发一个quizz应用程序。我在我的数据库中使用Firebase。
这是我的代码：
import android.content.Intent;
import android.graphics.Typeface;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.ImageButton;
import android.widget.TextView;
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 com.tsiw.geographyquizz.Models.Perguntas;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class PlayActivity extends AppCompatActivity {
private ArrayList<String> ArrayPerguntas = new ArrayList<String>();
private ArrayList<String> ArrayRespostas = new ArrayList<String>();
private List<String> ArrayRespergunta = new ArrayList<String>();
TextView dt,pergunta;
int acertos, perguntaId;
ImageButton back;
String distrito;
Button resp1, resp2, resp3, resp4;
int aleatorio;
String perguntaact="";
int pont = 0;
char v1,v2,v3,v4;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_play);
Typeface t = Typeface.createFromAsset(getAssets(), "fonts/GalanoBold.otf");
Typeface tLight = Typeface.createFromAsset(getAssets(), "fonts/GalanoLight.otf");
Typeface tMedium = Typeface.createFromAsset(getAssets(), "fonts/GalanoMedium.otf");
dt = (TextView) findViewById(R.id.distrito);
dt.setTypeface(t);
pergunta = (TextView) findViewById(R.id.pergunta);
pergunta.setTypeface(tMedium);
resp1= (Button) findViewById(R.id.resp1);
resp1.setBackgroundResource(R.color.caixas);
resp1.getBackground().setAlpha(69);
resp1.setTypeface(tMedium);
resp2= (Button) findViewById(R.id.resp2);
resp2.setBackgroundResource(R.color.caixas);
resp2.getBackground().setAlpha(69);
resp2.setTypeface(tMedium);
resp3= (Button) findViewById(R.id.resp3);
resp3.setBackgroundResource(R.color.caixas);
resp3.getBackground().setAlpha(69);
resp3.setTypeface(tMedium);
resp4= (Button) findViewById(R.id.resp4);
resp4.setBackgroundResource(R.color.caixas);
resp4.getBackground().setAlpha(69);
resp4.setTypeface(tMedium);
Intent intent = getIntent();
Bundle extras = intent.getExtras();
if(extras != null) {
distrito = extras.getString("distrito");
dt.setText(distrito);
}
}
@Override
protected void onStart() {
super.onStart();
acertos = 0;
perguntaId = 0;
CarregaPergunta();
}
public void CarregaPergunta(){
final DatabaseReference myRef = FirebaseDatabase.getInstance().getReference();
//buscar filhos de distritos
DatabaseReference myNewRef2 = myRef.child("distritos").child(distrito);
final ValueEventListener pergListener = new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
for (DataSnapshot postSnapshot : dataSnapshot.getChildren()) {
//Distrito perguntas = postSnapshot.getValue(Distrito.class);
Perguntas p = postSnapshot.getValue(Perguntas.class);
//encher a classe Pergunta
p.setPergunta(postSnapshot.getKey().toString());
//buscar perguntas
Log.d("ola", "pergunta: " + p);
ArrayPerguntas.add(p.getPergunta());
}
int min = 0;
int max = ArrayPerguntas.size() - 1;
Random r = new Random();
aleatorio = r.nextInt(max - min + 1) + min;
perguntaact = ArrayPerguntas.get(aleatorio).toString();
pergunta.setText(ArrayPerguntas.get(aleatorio));
for (DataSnapshot d : dataSnapshot.getChildren()) {
Perguntas pergun = d.getValue(Perguntas.class);
//Log.d("ola", pergun.getPergunta().toString());
}
}
@Override
public void onCancelled(DatabaseError error) {
// Log.w(TAG, "Erro ao ler o valor", error.toException());
}
};
myNewRef2.addValueEventListener(pergListener);
DatabaseReference myNewRef3 = myRef.child("distritos").child(distrito);
final ValueEventListener respListener = new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
for (DataSnapshot postSnapshot : dataSnapshot.getChildren()) {
//Distrito perguntas = postSnapshot.getValue(Distrito.class);
Perguntas p = postSnapshot.getValue(Perguntas.class);
//adiciona todas as respostas de todas as perguntas de aveiro
ArrayRespostas.add(postSnapshot.getValue().toString());
//Log.d("ola","arrayrespostas:: "+postSnapshot.getValue().toString());
}
//obter aleatorias respostas
Log.d("ola", ArrayRespostas.get(aleatorio));
ArrayRespergunta.add(ArrayRespostas.get(aleatorio));
Pattern p = Pattern.compile("\\{([^}]*)\\}");
Matcher m = p.matcher(ArrayRespergunta.toString());
while (m.find()) {
String r = m.group(1);
String[] myStrings = r.split(",");
//RESPOSTAS
String r1 = myStrings[0].substring(0, myStrings[0].length() - 2);
v1 = myStrings[0].charAt(myStrings[0].length() - 1);
resp1.setText(r1);
String r2 = myStrings[1].substring(0, myStrings[1].length() - 2);
v2 = myStrings[1].charAt(myStrings[1].length() - 1);
resp2.setText(r2);
String r3 = myStrings[2].substring(0, myStrings[2].length() - 2);
v3 = myStrings[2].charAt(myStrings[2].length() - 1);
resp3.setText(r3);
String r4 = myStrings[3].substring(0, myStrings[3].length() - 2);
v4 = myStrings[3].charAt(myStrings[3].length() - 1);
resp4.setText(r4);
//clique resposta 1
resp1.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
if (v1 == '0') {
//errada
pont = 0;
Log.d("ola", "ERRASTE");
} else {
//certa
pont = 10;
//ir para outra pergunta
Log.d("ola", "ACERTASTE");
acertos++;
}
}
});
//clique resposta 1
resp2.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
if (v2 == '0') {
//errada
pont = 0;
Log.d("ola", "ERRASTE");
} else {
//certa
pont = 10;
//ir para outra pergunta
Log.d("ola", "ACERTASTE");
acertos++;
}
}
});
//clique resposta 1
resp3.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
if (v3 == '0') {
//errada
pont = 0;
Log.d("ola", "ERRASTE");
} else {
//certa
pont = 10;
//ir para outra pergunta
Log.d("ola", "ACERTASTE");
acertos++;
}
}
});
//clique resposta 1
resp4.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
if (v4 == '0') {
//errada
pont = 0;
Log.d("ola", "ERRASTE");
} else {
//certa
pont = 10;
Log.d("ola", "ACERTASTE");
//ir para outra pergunta
acertos++;
}
}
});
}
}
@Override
public void onCancelled(DatabaseError error) {
// Log.w(TAG, "Erro ao ler o valor", error.toException());
}
};
myNewRef3.addValueEventListener(respListener);
/*perguntaId++;
if (perguntaId < 3) {
CarregaPergunta();
} else {
*//*Intent i = new Intent(PlayActivity.this, Leaderboard.class);
Bundle b = new Bundle();
b.putInt("acertos", acertos);
startActivity(i);*//*
}*/
}
}
我的界面如下所示：click to see interface
我的代码工作正常。但点击后我无法更改问题，我点击答案的按钮，没有任何反应，我想换到另一个问题。我希望播放器播放8个问题，然后在回答8个问题之后，它会转到OverActivity并显示结果。 我怎样才能做到这一点？
