小编Mar*_*los的帖子

我知道有很多关于这个问题的线索,但没有我自己的问题.我在数据库中连接了一个微调器,显示特定表的外键.并且它似乎插入错误.

02-18 11:44:34.500: E/SQLiteDatabase(20811): Error inserting ConsumerName=android.database.sqlite.SQLiteCursor@4144fa58 kWh=801.0 _id=65324 Date=2013 -2-18 Previous=98 Current=899

02-18 11:44:34.500: E/SQLiteDatabase(20811): android.database.sqlite.SQLiteConstraintException: error code 19: constraint failed

public class ElectricMeterReader extends Activity {

    private long rowID;

    private EditText meterNoEt;
    private EditText currentEt;
    private EditText previousEt;
    private EditText kWhEt;
    private TextView dateTv;
    private Spinner spinner;
    private int mSpinnerSpeciesId;

  private ElectricMeterReader mContext;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    // TODO Auto-generated method stub
    super.onCreate(savedInstanceState);
    setContentView(R.layout.electric_meter_reader);

    Bundle extras = getIntent().getExtras();

    // rowID = extras.getLong(ConsumerList.ROW_ID);

    dateTv = (TextView) findViewById(R.id.dateEmr); …