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Ich entwickle eine Quiz-Anwendung, und ich mit einem Problem mit Zurück-und Weiter-Taste konfrontiert. Hier ist die Situation:Android Quiz App, zurück und nächste Tasten Ausgabe
Ich habe 40 Fragen insgesamt, und in der Java-Klasse von Quiz initialisieren i einer ganzen Zahl rowID = 1
W Henne ich an der ersten Position bin die Taste ist deaktiviert, aber wenn ich weiter drücke, bleibt es deaktiviert, das selbe für die nächste Taste
- Ich habe eine TextView, die die Nummer der aktuellen Frage zeigt, und wenn ich an der Frage Nummer 40 bin und ich nächste drücken es geht 41. es sollte nicht gehen
ist mein Code:
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.ContentValues;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.graphics.drawable.ColorDrawable;
import android.net.Uri;
import android.os.Bundle;
import android.os.CountDownTimer;
import android.support.design.widget.FloatingActionButton;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.text.Html;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.RadioGroup;
import android.widget.TextView;
import android.widget.Toast;
import com.afollestad.materialdialogs.MaterialDialog;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.shawnlin.numberpicker.NumberPicker;
import org.json.JSONObject;
import java.util.List;
import java.util.concurrent.TimeUnit;
import retrofit2.Call;
import retrofit2.Callback;
import static autoshkolla.almotech.org.autoshkollastudenti.R.id.testi;
public class Activity_Quiz extends AppCompatActivity {
SaveData saveData;
String ApiKey;
Dialog dialog;
Gson gson;
Button next_question, previous_question;
int quizID, questionID, trueanswer, useranswer;
int rowID = 1;
String question, filename, mime, image;
SQLiteDatabase db;
TextView viewquestion, question_number, user_email, user_id, quiz_number;
QuizAdapter quizAdapter;
private AllLectureAdapter adapter;
DbProductModel dbProductModel;
List <Quiz_Data> lecture;
RadioGroup my_answer;
NumberPicker numberPicker;
Button start_timer, stop_timer;
MyCountDownTimer myCountDownTimer;
TextView koha;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity__quiz);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
getSupportActionBar().setHomeButtonEnabled(false);
getSupportActionBar().setTitle(Html.fromHtml("<font color='#FFFFFF'><b>QUIZ</b></font>"));
saveData = new SaveData(getApplication());
gson = new GsonBuilder().create();
ApiKey = "bearer " + saveData.getAutoUserToken();
if (!saveData.getQuizStatus().equalsIgnoreCase("start")) {
myCountDownTimer = new MyCountDownTimer(2400000, 1000);
myCountDownTimer.start();
loading();
generate_quiz(ApiKey);
saveData.setQuizStatus("in_progress");
}
question_number = (TextView) findViewById(R.id.questionnumber);
user_email = (TextView) findViewById(R.id.email);
user_id = (TextView) findViewById(R.id.ID);
quiz_number = (TextView) findViewById(testi);
user_email.setText("Email : " + saveData.getAutoUserEmail());
user_id.setText("ID : " + saveData.getAutoUserId() + "");
next_question = (Button) findViewById(R.id.nextbtn);
previous_question = (Button) findViewById(R.id.prevbtn);
viewquestion = (TextView) findViewById(R.id.question);
my_answer = (RadioGroup) findViewById(R.id.useranswer);
final QuizSendModel results = new QuizSendModel();
koha = (TextView) findViewById(R.id.time);
if (rowID > 1 && rowID < 40) {
previous_question.setEnabled(true);
next_question.setEnabled(true);
} else if (rowID == 40) {
next_question.setEnabled(false);
} else if (rowID == 1) {
previous_question.setEnabled(false);
}
FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.gotoquestion);
fab.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
final Dialog dialog = new Dialog(Activity_Quiz.this);
dialog.setContentView(R.layout.questions);
dialog.setCancelable(true);
dialog.getWindow().setBackgroundDrawable(new ColorDrawable(android.graphics.Color.TRANSPARENT));
Button shiko = (Button) dialog.findViewById(R.id.shikopyetje);
numberPicker = (NumberPicker) dialog.findViewById(R.id.number_picker);
dialog.show();
/* Window window = dialog.getWindow();
window.setLayout(400, 600);*/
shiko.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
question_number.setText(String.valueOf(numberPicker.getValue()) + "/40");
String[] proj = {
UsersProvider.QUESTION,
UsersProvider.USER_ANSWER
};
String[] args = {
String.valueOf(numberPicker.getValue())
};
Cursor c = getContentResolver().query(UsersProvider.CONTENT_URI, proj, UsersProvider.ID_ROW + " = ?", args, null);
if (c.moveToFirst()) {
do {
viewquestion.setText(c.getString(c.getColumnIndex(UsersProvider.QUESTION)));
String uswanswradio = c.getString(c.getColumnIndex(UsersProvider.USER_ANSWER));
if (uswanswradio == null) {
my_answer.clearCheck();
} else if (uswanswradio.equalsIgnoreCase("0")) {
my_answer.check(R.id.radioJO);
} else if (uswanswradio.equalsIgnoreCase("1")) {
my_answer.check(R.id.radioPO);
}
} while (c.moveToNext());
}
dialog.dismiss();
}
});
}
});
viewquestion.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Cursor c = getContentResolver().query(UsersProvider.CONTENT_URI, null, null, null, null);
if (c.moveToFirst()) {
do {
/*Toast.makeText(getApplicationContext()," "+c.getString(c.getColumnIndex(UsersProvider.NAME))+", "+c.getString(c.getColumnIndex(UsersProvider.ADDRESS)),Toast.LENGTH_LONG).show();
System.out.println("emri : "+c.getString(c.getColumnIndex(UsersProvider.NAME))+" address : "+c.getString(c.getColumnIndex(UsersProvider.ADDRESS)));*/
results.setId_question(c.getString(c.getColumnIndex(UsersProvider.ID_QUESTION)));
results.setUser_answer(c.getString(c.getColumnIndex(UsersProvider.USER_ANSWER)));
System.out.println("pyetja : " + results.getId_question());
System.out.println("uans : " + results.getUser_answer());
} while (c.moveToNext());
}
}
});
my_answer.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
public void onCheckedChanged(RadioGroup group,
int checkedId) {
if (checkedId == R.id.radioPO) {
useranswer = 1;
} else if (checkedId == R.id.radioJO) {
useranswer = 0;
}
ContentValues values = new ContentValues();
values.put(UsersProvider.USER_ANSWER, useranswer);
String row = String.valueOf(rowID);
String[] whereArgs = {
row
};
getContentResolver().update(UsersProvider.CONTENT_URI, values, UsersProvider.ID_ROW + " =? ", whereArgs);
}
});
previous_question.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
rowID = rowID - 1;
question_number.setText(rowID + "/40");
String[] proj = {
UsersProvider.QUESTION,
UsersProvider.USER_ANSWER
};
String[] args = {
String.valueOf(rowID)
};
Cursor c = getContentResolver().query(UsersProvider.CONTENT_URI, proj, UsersProvider.ID_ROW + " = ?", args, null);
if (c.moveToFirst()) {
do {
viewquestion.setText(c.getString(c.getColumnIndex(UsersProvider.QUESTION)));
String uswanswradio = c.getString(c.getColumnIndex(UsersProvider.USER_ANSWER));
System.out.println("pergjigjeeuserit : " + c.getString(c.getColumnIndex(UsersProvider.USER_ANSWER)));
if (uswanswradio == null) {
my_answer.clearCheck();
} else if (uswanswradio.equalsIgnoreCase("0")) {
my_answer.check(R.id.radioJO);
} else if (uswanswradio.equalsIgnoreCase("1")) {
my_answer.check(R.id.radioPO);
}
} while (c.moveToNext());
}
}
});
next_question.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
my_answer.clearCheck();
rowID = rowID + 1;
question_number.setText(rowID + "/40");
String[] proj = {
UsersProvider.QUESTION,
UsersProvider.USER_ANSWER
};
String[] args = {
String.valueOf(rowID)
};
Cursor c = getContentResolver().query(UsersProvider.CONTENT_URI, proj, UsersProvider.ID_ROW + " = ?", args, null);
if (c.moveToFirst()) {
do {
viewquestion.setText(c.getString(c.getColumnIndex(UsersProvider.QUESTION)));
String uswanswradio = c.getString(c.getColumnIndex(UsersProvider.USER_ANSWER));
if (uswanswradio == null) {
my_answer.clearCheck();
} else if (uswanswradio.equalsIgnoreCase("0")) {
my_answer.check(R.id.radioJO);
} else if (uswanswradio.equalsIgnoreCase("1")) {
my_answer.check(R.id.radioPO);
}
} while (c.moveToNext());
}
}
});
String[] proj = {
UsersProvider.QUESTION
};
String[] args = {
String.valueOf(1)
};
Cursor c = getContentResolver().query(UsersProvider.CONTENT_URI, proj, UsersProvider.ID_ROW + " = ?", args, null);
if (c.moveToFirst()) {
do {
rowID = 1;
viewquestion.setText(c.getString(c.getColumnIndex(UsersProvider.QUESTION)));
} while (c.moveToNext());
}
}
public void generate_quiz(String APIKEY) {
API api = APIClient.getApi(APIKEY);
Call <Quiz> totclient = api.quiz();
totclient.enqueue(new Callback <Quiz>() {
@Override
public void onResponse(Call <Quiz> call, retrofit2.Response <Quiz> response) {
dialog.dismiss();
// Log.d(TAG, "Succes:" + response.body().isError());
JSONObject obj = new JSONObject();
System.out.println("AllLectures:" + gson.toJson(response.body()));
System.out.println("quiz id:" + gson.toJson(response.body().getQuizNumber()));
quiz_number.setText("Testi : " + gson.toJson(response.body().getQuizNumber()));
if (!gson.toJson(response.body()).equalsIgnoreCase("null")) {
if (gson.toJson(response.body().getError()).equalsIgnoreCase("false")) {
ContentValues values = new ContentValues();
getContentResolver().delete(UsersProvider.CONTENT_URI, null, null);
lecture = response.body().getData();
final List <Quiz_Data> movies = response.body().getData();
for (int i = 0; i < movies.size(); i++) {
quizID = response.body().getQuizNumber();
questionID = response.body().getData().get(i).getId();
question = response.body().getData().get(i).getQuestion();
trueanswer = response.body().getData().get(i).getTrueAnswer();
filename = response.body().getData().get(i).getOriginalFilename();
mime = response.body().getData().get(i).getMime();
image = response.body().getData().get(i).getImage();
values.put(UsersProvider.QUESTION, question);
values.put(UsersProvider.ID_ROW, i + 1);
values.put(UsersProvider.ID_QUESTION, questionID);
values.put(UsersProvider.TRUE_ANSWER, trueanswer);
// values.put(UsersProvider.USER_ANSWER,-1);
values.put(UsersProvider.ORIGINAL_FILENAME, filename);
values.put(UsersProvider.MIME, mime);
values.put(UsersProvider.IMAGE, image);
Uri uri = getContentResolver().insert(UsersProvider.CONTENT_URI, values);
// Toast.makeText(getApplicationContext(),uri.toString(),Toast.LENGTH_LONG).show();
System.out.println("URI :" + uri);
}
} else {
}
} else {
Toast.makeText(getApplicationContext(), "Sesioni juaj ka skaduar ju duhet te rilogoheni", Toast.LENGTH_LONG).show();
}
}
@Override
public void onFailure(Call <Quiz> call, Throwable t) {
dialog.dismiss();
}
});
}
public void loading() {
dialog = new MaterialDialog.Builder(Activity_Quiz.this)
.title("Duke hyre ne sistem!")
.content("Ju lutem prisni...")
.progress(true, 0)
.show();
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
//handle the click on the back arrow click
switch (item.getItemId()) {
case android.R.id.home:
finish();
return true;
default:
return super.onOptionsItemSelected(item);
}
}
public class MyCountDownTimer extends CountDownTimer {
public MyCountDownTimer(long millisInFuture, long countDownInterval) {
super(millisInFuture, countDownInterval);
}
@Override
public void onTick(long millisUntilFinished) {
int progress = (int)(millisUntilFinished/10000);
koha.setText("" + String.format("%d : %d",
TimeUnit.MILLISECONDS.toMinutes(millisUntilFinished),
TimeUnit.MILLISECONDS.toSeconds(millisUntilFinished) -
TimeUnit.MINUTES.toSeconds(TimeUnit.MILLISECONDS.toMinutes(millisUntilFinished))));
}
@Override
public void onFinish() {
//finish();
saveData.setQuizStatus("start");
Toast.makeText(getApplicationContext(), "Koha mbaroi", Toast.LENGTH_LONG).show();
}
}
}
Danke!
Thank you very much! –