Bonjour,

Une question qui va peut-être paraître simple pour certains
mais j'ai pas pu me connecter à la base de données et une erreur se déclenche à chaque fois et la voila:
"android.database.sqlite.SQLiteCantOpenDatabaseException: unknown error (code 14): Could not open database"

voici le code:

Classe : DataBaseHelper.java
Code : Sélectionner tout - Visualiser dans une fenêtre à part
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package com.example.hanoun.myapplication;
 
 
import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteException;
import android.database.sqlite.SQLiteOpenHelper ;
 
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.sql.SQLException;
 
/**
 * Created by FILALI on 15/07/2015.
 */
 
public class DataBaseHelper extends SQLiteOpenHelper {
 
    private static String DB_PATH = "//data/data/com.example.hanoun.myapplication/databases/";
    private static String DB_NAME = "clerk_project.sqlite";
    private SQLiteDatabase myDataBase;
    private final Context myContext;
 
    public DataBaseHelper(Context context ) {
 
        super(context,DB_NAME,null,1);
        this.myContext=context;
    }
 
    public void createDataBase() throws IOException {
 
        boolean dbExist = checkDataBase();
 
        if(dbExist){
            //do nothing - database already exist
        }else{
 
            //By calling this method and empty database will be created into the default system path
            //of your application so we are gonna be able to overwrite that database with our database.
            this.getReadableDatabase();
 
            try {
 
                copyDataBase();
 
            } catch (IOException e) {
 
                throw new Error("Error copying database");
 
            }
        }
 
    }
 
 
 
    private boolean checkDataBase() {
        SQLiteDatabase checkDB = null;
 
        try{
            String myPath = DB_PATH + DB_NAME;
            checkDB = SQLiteDatabase.openDatabase(myPath, null, SQLiteDatabase.OPEN_READONLY);
 
        }catch(SQLiteException e){
 
            //database does't exist yet.
 
        }
 
        if(checkDB != null){
 
            checkDB.close();
 
        }
 
        return checkDB != null ? true : false;    }
 
    private void copyDataBase() throws IOException{
 
        //Open your local db as the input stream
        InputStream myInput = myContext.getAssets().open(DB_NAME);
 
        // Path to the just created empty db
        String outFileName = DB_PATH + DB_NAME;
 
        //Open the empty db as the output stream
        OutputStream myOutput = new FileOutputStream(outFileName);
 
        //transfer bytes from the inputfile to the outputfile
        byte[] buffer = new byte[1024];
        int length;
        while ((length = myInput.read(buffer))>0){
            myOutput.write(buffer, 0, length);
        }
 
        //Close the streams
        myOutput.flush();
        myOutput.close();
        myInput.close();
    }
 
    public void openDataBase() throws SQLException {
 
        //Open the database
        String myPath = DB_PATH + DB_NAME;
        myDataBase = SQLiteDatabase.openDatabase(myPath, null, SQLiteDatabase.OPEN_READONLY);
 
    }
 
    @Override
    public synchronized void close() {
 
        if(myDataBase != null)
            myDataBase.close();
 
        super.close();
 
    }
 
 
    @Override
    public void onCreate(SQLiteDatabase db) {
 
    }
 
    @Override
    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
 
    }
}


aidez moi s'il vous plait
merci d'avance