Хочу обновлять listview в активити каждый раз при нажатии checkbox, но при вызове метода updateTodo() из checkbox listener приложение не работает.
MainActivity
public class MainActivity extends ListActivity {
private TodoDatabase dbHelper;
//private static final int ACTIVITY_CREATE = 0;
private static final int ACTIVITY_EDIT = 1;
private static final int DELETE_ID = Menu.FIRST + 1;
private Cursor cursor;
private EditText mEditText;
private Long RowId;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
this.getListView().setDividerHeight(2);
dbHelper = new TodoDatabase(this);
fillData();
registerForContextMenu(getListView());
mEditText = (EditText)findViewById(R.id.editTextNewTask);
RowId = null;
Bundle extras = getIntent().getExtras();
RowId = (savedInstanceState == null) ? null
: (Long) savedInstanceState
.getSerializable(TodoDatabase.COLUMN_ID);
if (extras != null) {
RowId = extras.getLong(TodoDatabase.COLUMN_ID);
}
startService(new Intent(this, TimeService.class));
}
.........
.........
public void updateTodo(){
fillData();
}
private void fillData() {
cursor = dbHelper.getAllTodosListView();
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB) {
startManagingCursor(cursor);
}
String[] from = new String[] {TodoDatabase.COLUMN_ACHIEVED, TodoDatabase.COLUMN_SUMMARY,
TodoDatabase.COLUMN_TIMESECONDS};
int[] to = new int[] {R.id.checkBoxLabel, R.id.textViewLabel };
// Теперь создадим адаптер массива и установим его для отображения наших
// данных
SimpleCursorAdapter notes = new MySimpleCursorAdapter(getApplicationContext(),
R.layout.list_item, cursor, from, to, 0);
notes.changeCursor(cursor);
notes.notifyDataSetChanged();
setListAdapter(notes);
}
SimpleCursorAdapter
public class MySimpleCursorAdapter extends SimpleCursorAdapter {
private Context context;
private LayoutInflater mInflater;
private CheckBox mCheckBox;
private long xId;
public MySimpleCursorAdapter(Context context, int layout, Cursor c, String[] from, int[] to, int flags) {
super(context, layout, c, from, to, flags);
mInflater = LayoutInflater.from(context);
}
@Override
public View newView(Context context, Cursor cursor, ViewGroup parent) {
final View view = mInflater.inflate(R.layout.list_item, parent, false);
return view;
}
@Override
public void bindView(View view, final Context context, final Cursor cursor) {
final TodoDatabase mDbHelper = new TodoDatabase(context);
final TextView textView = (TextView)view.findViewById(R.id.textViewLabel);
mCheckBox = (CheckBox)view.findViewById(R.id.checkBoxLabel);
xId = Long.parseLong(cursor.getString(cursor.getColumnIndex(TodoDatabase.COLUMN_ID)));
textView.setText(cursor.getString(cursor.getColumnIndex(TodoDatabase.COLUMN_SUMMARY)));
if (cursor.getString(cursor.getColumnIndex(TodoDatabase.COLUMN_TIMESECONDS)) != null) {
if (cursor.getLong(cursor.getColumnIndex(TodoDatabase.COLUMN_TIMESECONDS)) > 0) {
if (cursor.getLong(cursor.getColumnIndex(TodoDatabase.COLUMN_TIMESECONDS)) >
System.currentTimeMillis()) {
} else if (cursor.getInt(cursor.getColumnIndex(TodoDatabase.COLUMN_ACHIEVED)) != 1){
textView.setTextColor(Color.parseColor("#FF0000"));
}
}
}
if (cursor.getInt(cursor.getColumnIndex(TodoDatabase.COLUMN_ACHIEVED)) == 1) {
mCheckBox.setChecked(true);
textView.setPaintFlags(textView.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG);
final Long mRowId = xId;
mCheckBox.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
Long mXRowId = mRowId;
if (mCheckBox.isChecked()) {
TodoDatabase mDbHelper = new TodoDatabase(context);
mDbHelper.updateTodoAchieved(mXRowId, "1");
MainActivity ma = new MainActivity();
ma.updateTodo(); // Ошибка
} else if (!mCheckBox.isChecked()) {
TodoDatabase mDbHelper = new TodoDatabase(context);
mDbHelper.updateTodoAchieved(mXRowId, "0");
MainActivity ma = new MainActivity();
ma.updateTodo(); // Ошибка
}
}
});
} else {
mCheckBox.setChecked(false);
textView.setPaintFlags(textView.getPaintFlags() & (~ Paint.STRIKE_THRU_TEXT_FLAG));
final Long mRowId = xId;
mCheckBox.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
Long mXRowId = mRowId;
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
if (mCheckBox.isChecked()){
TodoDatabase mDbHelper = new TodoDatabase(context);
mDbHelper.updateTodoAchieved(mXRowId, "1");
MainActivity ma = new MainActivity();
ma.updateTodo(); // Ошибка
} else if (!mCheckBox.isChecked()){
TodoDatabase mDbHelper = new TodoDatabase(context);
mDbHelper.updateTodoAchieved(mXRowId, "0");
MainActivity ma = new MainActivity();
ma.updateTodo(); // Ошибка
}
}
});
}
}
}
