利用simpleCursorAdapter绑定数据库,若数据库发生了改变,需要重新设置simpleCursorAdapter:
String[] from = { "_id", "name", "num" };
int[] to = { R.id.textView1, R.id.textView2, R.id.textView3 };
SimpleCursorAdapter adapter = new SimpleCursorAdapter(
this, R.layout.list_item, c, from, to);
this.listView.setAdapter(adapter);
或者采用
this.c.requery();
this.adapter.notifyDataSetChanged();
重新查询数据库,调用notifyDataSetChanged刷新view