Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteException;

public class Main {
    public static final String DATABASE_NAME = "DBFinDeMes";
    public static String DB_PATH = "";

    /**
     * Check if the database exist
     *
     * @return true if it exists, false if it doesn't
     */
    public static boolean checkDataBase(Context context) {
        SQLiteDatabase checkDB = null;
        int count = 0;
        try {
            if (android.os.Build.VERSION.SDK_INT >= 17) {
                DB_PATH = context.getApplicationInfo().dataDir + "/databases/";
            } else {
                DB_PATH = "/data/data/" + context.getPackageName() + "/databases/";
            }
            checkDB = SQLiteDatabase.openDatabase(DB_PATH + DATABASE_NAME, null, SQLiteDatabase.OPEN_READONLY);

            String selectRegistros = "SELECT COUNT(*) FROM Grupo_Gastos";

            Cursor mCursor = checkDB.query(true, "Grupo_Gastos", new String[] { "_id" }, null, null, null, null,
                    null, null);
            count = mCursor.getCount();

            checkDB.close();
        } catch (SQLiteException e) {
            // database doesn't exist yet.
            return false;
        }
        return count > 0;
    }
}