Created
March 4, 2014 17:50
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Importar script Sqlite Android
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import java.io.File; | |
import java.io.FileOutputStream; | |
import java.io.IOException; | |
import java.io.InputStream; | |
import java.io.OutputStream; | |
import android.content.Context; | |
import android.database.sqlite.SQLiteDatabase; | |
public class AssetDatabaseOpenHelper { | |
private static final String DB_NAME = "asset.db"; | |
private Context context; | |
public AssetDatabaseOpenHelper(Context context) { | |
this.context = context; | |
} | |
public SQLiteDatabase openDatabase() { | |
File dbFile = context.getDatabasePath(DB_NAME); | |
if (!dbFile.exists()) { | |
try { | |
copyDatabase(dbFile); | |
} catch (IOException e) { | |
throw new RuntimeException("Error creating source database", e); | |
} | |
} | |
return SQLiteDatabase.openDatabase(dbFile.getPath(), null, SQLiteDatabase.OPEN_READONLY); | |
} | |
private void copyDatabase(File dbFile) throws IOException { | |
InputStream is = context.getAssets().open(DB_NAME); | |
OutputStream os = new FileOutputStream(dbFile); | |
byte[] buffer = new byte[1024]; | |
while (is.read(buffer) > 0) { | |
os.write(buffer); | |
} | |
os.flush(); | |
os.close(); | |
is.close(); | |
} | |
} | |
// En clase Principal se hace un objeto y se llama a ella en el método onCreate | |
@Override | |
public void onCreate(Bundle savedInstanceState) { | |
super.onCreate(savedInstanceState); | |
setContentView(R.layout.activity_main); | |
AssetDatabaseOpenHelper db = adb.openDatabase(); | |
Cursor c = db.rawQuery("SELECT * FROM Estadios;", null); | |
Vector<String> result = new Vector<String>(); | |
while (c.moveToNext()){ | |
Log.i("Resultados", "cnt: "+c.getInt(0)+" " +c.getString(1)+" " +c.getString(2)+" " +c.getInt(3)+" " +c.getString(4)); | |
result.add(c.getInt(0)+" " +c.getString(1)); | |
} | |
Log.i("Total Filas", "Filas: "+c.getCount()); | |
} | |
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