ListView lvMes = (ListView) this.findViewById(R.id.lvMes);
Cursor cursor = db.query("test", null, null, null, null, null, null);
SimpleCursorAdapter adapter = new SimpleCursorAdapter(this,
R.layout.main, cursor,
new String[] { "id", "title", "value" }, new int[] { R.id.Id,
R.id.Title, R.id.Value });
lvMes.setAdapter(adapter);
这样就会报错如果将new String[] { "id", "title", "value" }改为new String[] { "_id", "title", "value" }就好了为什么这个id一定要加个下划线呢android
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