/**
* Function that is called when the activity is created
*
* @param savedInstanceState a object from the android system that have informations that may be
* useful for the activity
*/
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.vehiclelist);
mDbHelper = new FuelMonitorDbAdapter(this);
Button addVehicle = (Button) findViewById(R.id.vehiclelist_addvehicle);
mDbHelper.open();
fillData();
registerForContextMenu(getListView());
addVehicle.setOnClickListener(
new View.OnClickListener() {
public void onClick(View v) {
Intent i = new Intent(getApplicationContext(), AddVehicle.class);
startActivity(i);
}
});
getListView()
.setOnItemClickListener(
new OnItemClickListener() {
public void onItemClick(AdapterView<?> adapter, View view, int position, long arg) {
Intent i = new Intent(getApplicationContext(), FuelingList.class);
long id = arg;
i.putExtra("vehicleID", id);
startActivity(i);
}
});
}
/** Fills all the list with the vehicles objects */
private void fillData() {
Cursor vehicleCursor = mDbHelper.fetchVehicles();
// TODO Use a CursorLoader (startManagingCursor is deprecated)
// TODO Perhaps save thumbnail to database?
startManagingCursor(vehicleCursor);
SimpleCursorAdapter vehicleAdapter =
new SimpleCursorAdapter(
this,
R.layout.vehiclerow,
vehicleCursor,
new String[] {"makeName", "model", "registration", "registration", "_id"},
new int[] {
R.id.vehicleRow_make,
R.id.vehicleRow_model,
R.id.vehicleRow_pic,
R.id.vehicleRow_registration,
R.id.vehicleRow_avgConsumption
});
vehicleAdapter.setViewBinder(
new ViewBinder() {
public boolean setViewValue(View view, Cursor cursor, int columnIndex) {
if (view.getId() == R.id.vehicleRow_avgConsumption) {
if (mDbHelper.getNumFuelings(cursor.getInt(columnIndex)) > 0) {
TextView text = (TextView) view;
text.setText(
String.format(
"%.1f l/100Km",
mDbHelper.getAverageFuelConsumptionByVehicleID(
cursor.getInt(columnIndex))));
}
return true;
}
if (view instanceof TextView) {
TextView text = (TextView) view;
text.setText(cursor.getString(columnIndex));
return true;
}
if (view.getId() == R.id.vehicleRow_pic) {
ImageView image = (ImageView) view;
File directory = new File(Environment.getExternalStorageDirectory(), "fuelmonitor/");
File file = new File(directory, (cursor.getString(columnIndex) + "t.jpg"));
if (file.exists() && file.length() > 0)
image.setImageBitmap(BitmapFactory.decodeFile(file.getAbsolutePath()));
return true;
}
return false;
}
});
getListView().setAdapter(vehicleAdapter);
}
/**
* Function that is called when a car from the list is selected.
*
* @param item the item that is being selected
* @return true upon success
*/
@Override
public boolean onContextItemSelected(MenuItem item) {
long id = ((AdapterContextMenuInfo) item.getMenuInfo()).id;
switch (item.getItemId()) {
case Menu.FIRST:
Intent i = new Intent(getApplicationContext(), AddVehicle.class);
i.putExtra("edit", true);
i.putExtra("vehicleID", id);
startActivity(i);
return true;
case Menu.FIRST + 1:
File directory = new File(Environment.getExternalStorageDirectory(), "fuelmonitor/");
String registration = mDbHelper.getRegistrationByID(id);
File imgFile = new File(directory, (registration + ".jpg"));
File thumbFile = new File(directory, (registration + "t.jpg"));
imgFile.delete();
thumbFile.delete();
mDbHelper.deleteVehicle(id);
fillData();
return true;
}
return super.onContextItemSelected(item);
}
/** Function that is called when the activity is destroyed */
@Override
protected void onDestroy() {
super.onDestroy();
mDbHelper.close();
}