What I do is change the names to the classes and to the layouts by others, when I execute the aliccion and I give a button I get an error
02-04 18:58:34.219 9795-9795/dev.edmt.flagsquizapp E/AndroidRuntime: FATAL EXCEPTION: main
java.lang.RuntimeException: Unable to start activity ComponentInfo{dev.edmt.flagsquizapp/dev.mros.espanyaapp.Done}: android.database.sqlite.SQLiteException: no such column: Infinity (code 1): , while compiling: INSERT INTO Ranking(Puntuacion) VALUES(Infinity)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2295)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2349)
at android.app.ActivityThread.access$700(ActivityThread.java:159)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1316)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:176)
at android.app.ActivityThread.main(ActivityThread.java:5419)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:525)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1046)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:862)
at dalvik.system.NativeStart.main(Native Method)
Caused by: android.database.sqlite.SQLiteException: no such column: Infinity (code 1): , while compiling: INSERT INTO Ranking(Puntuacion) VALUES(Infinity)
at android.database.sqlite.SQLiteConnection.nativePrepareStatement(Native Method)
at android.database.sqlite.SQLiteConnection.acquirePreparedStatement(SQLiteConnection.java:1118)
at android.database.sqlite.SQLiteConnection.prepare(SQLiteConnection.java:691)
at android.database.sqlite.SQLiteSession.prepare(SQLiteSession.java:588)
at android.database.sqlite.SQLiteProgram.<init>(SQLiteProgram.java:58)
at android.database.sqlite.SQLiteStatement.<init>(SQLiteStatement.java:31)
at android.database.sqlite.SQLiteDatabase.executeSql(SQLiteDatabase.java:1794)
at android.database.sqlite.SQLiteDatabase.execSQL(SQLiteDatabase.java:1725)
at dev.mros.espanyaapp.DbHelper.DbHelper.insertScore(DbHelper.java:181)
at dev.mros.espanyaapp.Done.onCreate(Done.java:88)
at android.app.Activity.performCreate(Activity.java:5372)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1104)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2257)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2349)
at android.app.ActivityThread.access$700(ActivityThread.java:159)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1316)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:176)
at android.app.ActivityThread.main(ActivityThread.java:5419)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:525)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1046)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:862)
at dalvik.system.NativeStart.main(Native Method)
I get an error in the DBhelper I do not know why it never happened to me. This is the helper class (Database)
public class DbHelper extends SQLiteOpenHelper {
private static String DB_NAME = "MyDB.db";
private static String DB_PATH = "";
private SQLiteDatabase mDataBase;
private Context mContext = null;
public DbHelper(Context context) {
super(context, DB_NAME, null, 1);
DB_PATH = context.getApplicationInfo().dataDir + "/databases/";
File file = new File(DB_PATH+"MyDB.db");
if(file.exists())
openDataBase();
this.mContext = context;
}
public void openDataBase() {
String myPath = DB_PATH + DB_NAME;
mDataBase = SQLiteDatabase.openDatabase(myPath, null, SQLiteDatabase.OPEN_READWRITE);
}
public void copyDataBase() throws IOException {
try {
InputStream myInput = mContext.getAssets().open(DB_NAME);
String outputFileName = DB_PATH + DB_NAME;
OutputStream myOutput = new FileOutputStream(outputFileName);
byte[] buffer = new byte[1024];
int length;
while ((length = myInput.read(buffer)) > 0)
myOutput.write(buffer, 0, length);
myOutput.flush();
myOutput.close();
myInput.close();
} catch (Exception e) {
e.printStackTrace();
}
}
private boolean checkDataBase() {
SQLiteDatabase tempDB = null;
try {
String myPath = DB_PATH + DB_NAME;
tempDB = SQLiteDatabase.openDatabase(myPath, null, SQLiteDatabase.OPEN_READWRITE);
} catch (SQLiteException e) {
e.printStackTrace();
}
if (tempDB != null)
tempDB.close();
return tempDB != null ? true : false;
}
public void createDataBase() throws IOException {
boolean isDBExists = checkDataBase();
if (isDBExists) {
} else {
this.getReadableDatabase();
try {
copyDataBase();
} catch (IOException e) {
e.printStackTrace();
}
}
}
@Override
public void onCreate(SQLiteDatabase db) {
}
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
}
//CRUD For Table
public List<Pregunta> getAllQuestion() {
List<Pregunta> listQuestion = new ArrayList<>();
SQLiteDatabase db = this.getWritableDatabase();
Cursor c;
try {
c = db.rawQuery("SELECT * FROM Pregunta ORDER BY Random()", null);
if (c == null) return null;
c.moveToFirst();
do {
int Id = c.getInt(c.getColumnIndex(mContext.getString(R.string.IDdb)));
String Image = c.getString(c.getColumnIndex(mContext.getString(R.string.IMAGEdb)));
String AnswerA = c.getString(c.getColumnIndex(mContext.getString(R.string.ANSWERAdb)));
String AnswerB = c.getString(c.getColumnIndex(mContext.getString(R.string.ANSWERBdb)));
String AnswerC = c.getString(c.getColumnIndex(mContext.getString(R.string.ANSWERCdb)));
String AnswerD = c.getString(c.getColumnIndex(mContext.getString(R.string.ANSWERDdb)));
String CorrectAnswer = c.getString(c.getColumnIndex(mContext.getString(R.string.CorrectAnswerdb)));
Pregunta question = new Pregunta(Id, Image, AnswerA, AnswerB, AnswerC, AnswerD, CorrectAnswer);
listQuestion.add(question);
}
while (c.moveToNext());
c.close();
} catch (Exception e) {
e.printStackTrace();
}
db.close();
return listQuestion;
}
//We need improve this function to optimize process from Jugar
public List<Pregunta> getQuestionMode(String mode) {
List<Pregunta> listQuestion = new ArrayList<>();
SQLiteDatabase db = this.getWritableDatabase();
Cursor c;
int limit = 0;
if (mode.equals(Comun.MODE.FACIL.toString()))
limit = 6;
else if (mode.equals(Comun.MODE.MEDIO.toString()))
limit = 12;
else if (mode.equals(Comun.MODE.DIFICIL.toString()))
limit = 27;
else if (mode.equals(Comun.MODE.DIFICILISOMO.toString()))
limit = 50;
try {
c = db.rawQuery(String.format("SELECT * FROM Pregunta ORDER BY Random() LIMIT %d", limit), null);
if (c == null) return null;
c.moveToFirst();
do {
int Id = c.getInt(c.getColumnIndex(mContext.getString(R.string.ID2db)));
String Image = c.getString(c.getColumnIndex(mContext.getString(R.string.IMAGE2db)));
String AnswerA = c.getString(c.getColumnIndex(mContext.getString(R.string.ANSWER2db)));
String AnswerB = c.getString(c.getColumnIndex(mContext.getString(R.string.ANSWERB2db)));
String AnswerC = c.getString(c.getColumnIndex(mContext.getString(R.string.ANSWERC2db)));
String AnswerD = c.getString(c.getColumnIndex(mContext.getString(R.string.ANSWERD2db)));
String CorrectAnswer = c.getString(c.getColumnIndex(mContext.getString(R.string.CorrectAnswer2db)));
Pregunta question = new Pregunta(Id, Image, AnswerA, AnswerB, AnswerC, AnswerD, CorrectAnswer);
listQuestion.add(question);
}
while (c.moveToNext());
c.close();
} catch (Exception e) {
e.printStackTrace();
}
db.close();
return listQuestion;
}
//Insert Puntuacion to Ranking table
public void insertScore(double score) {
String query = "INSERT INTO Ranking(Puntuacion) VALUES("+score+")";
mDataBase.execSQL(query);
}
//Get Puntuacion and sort ranking
public List<Ranking> getRanking() {
List<Ranking> listRanking = new ArrayList<>();
SQLiteDatabase db = this.getReadableDatabase();
Cursor c;
try {
c = db.rawQuery("SELECT * FROM Ranking Order By Puntuacion DESC;", null);
if (c == null) return null;
c.moveToNext();
do {
int Id = c.getInt(c.getColumnIndex(mContext.getString(R.string.ID3db)));
double Score = c.getDouble(c.getColumnIndex(mContext.getString(R.string.SCOREdb)));
Ranking ranking = new Ranking(Id, Score);
listRanking.add(ranking);
} while (c.moveToNext());
c.close();
} catch (Exception e) {
e.printStackTrace();
}
db.close();
return listRanking;
}
//Update version 2.0
public int getPlayCount(int level)
{
int result = 0;
SQLiteDatabase db = this.getReadableDatabase();
Cursor c;
try{
c = db.rawQuery("SELECT PlayCount FROM UserPlayCount WHERE Level="+level+";",null);
if(c == null) return 0;
c.moveToNext();
do{
result = c.getInt(c.getColumnIndex(mContext.getString(R.string.PLAYCOUNTdb)));
}while(c.moveToNext());
c.close();
}catch (Exception ex)
{
ex.printStackTrace();
}
return result;
}
public void updatePlayCount(int level,int playCount)
{
String query = String.format("UPDATE UserPlayCount Set PlayCount = %d WHERE Level = %d",playCount,level);
mDataBase.execSQL(query);
}
}