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- public class LocationsSQLHelper extends SQLiteOpenHelper {
- private SQLiteDatabase mDB;
- public static final String DATABASE_NAME = "MyDBName.db";
- private static final String TABLE_NAME="locations";
- private static final String FIELD_ROW_ID="loc_id";
- private static final String FIELD_LAT="loc_lat";
- private static final String FIELD_LNG="loc_lng";
- private static final String FIELD_ZOOM="loc_pos";
- private static final int D_VERSION=1;
- private static final String DB_NAME="markerlocations.db";
- private static final String DB_CREATE="create table "+TABLE_NAME+ "("
- +FIELD_ROW_ID + "integer primary key autoincrement, "
- +FIELD_LAT + "double , "
- +FIELD_LNG + "double ,"
- +FIELD_ZOOM + "text"
- +");"
- ;
- public LocationsSQLHelper(Context context) {
- super(context, DB_NAME, null, D_VERSION);
- }
- @Override
- public void onCreate(SQLiteDatabase db) {
- db.execSQL(DB_CREATE);
- }
- /** Inserts a new location to the table locations */
- public boolean insert(Integer id, Double lat, Double lon, String zoom) {
- SQLiteDatabase db=this.getWritableDatabase();
- ContentValues contentValues=new ContentValues();
- contentValues.put("id", id);
- contentValues.put("lat", 12.944400 );
- contentValues.put("lon", 75.785966);
- contentValues.put(zoom,"zoom");
- return true;
- }
- /** Deletes all locations from the table */
- public long del(Integer id){
- SQLiteDatabase db = this.getWritableDatabase();
- return db.delete("locations",
- "id = ? ",
- new String[] { Long.toString(id) });
- }
- public ArrayList<String> getAllLocations(){
- ArrayList<String> arrayList=new ArrayList<>();
- SQLiteDatabase db=this.getReadableDatabase();
- Cursor res=db.rawQuery("select * from locations", null );
- res.moveToFirst();
- while(res.isAfterLast() == false){
- arrayList.add(res.getString(res.getColumnIndex(FIELD_ROW_ID)));
- res.moveToNext();
- }
- return arrayList;
- }
- @Override
- public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
- db.execSQL("DROP TABLE IF EXISTS" + TABLE_NAME);
- onCreate(db);
- }
- }
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