在真機(jī)上測試時一點(diǎn)“添加備忘錄”這個按鈕就閃退，想知道是什么原因，應(yīng)該怎樣解決。求大神不吝賜教，感謝！!貼一下創(chuàng)建數(shù)據(jù)庫的代碼的代碼:NotesDB.javapackage?com.example.datenote;?? ?? import?android.content.Context;?? import?android.database.sqlite.SQLiteDatabase;?? import?android.database.sqlite.SQLiteOpenHelper;?? import?android.util.Log;?? ?? public?class?NotesDB?extends?SQLiteOpenHelper?{?? ?? ????public?static?final?String?TABLE_NAME_NOTES?=?"note";?? ????public?static?final?String?COLUMN_NAME_ID?=?"_id";?? ????public?static?final?String?COLUMN_NAME_NOTE_CONTENT?=?"content";?? ????public?static?final?String?COLUMN_NAME_NOTE_DATE?=?"date";?? ?? ????public?NotesDB(Context?context)?{?? ????????super(context,?"note",?null,?1);?? ????????//?TODO?Auto-generated?constructor?stub?? ????}?? ?? ????@Override?? ????public?void?onCreate(SQLiteDatabase?db)?{?? ????????String?sql?=?"CREATE?TABLE?"?+?TABLE_NAME_NOTES?+?"("?+?COLUMN_NAME_ID?? ????????????????+?"?INTEGER?PRIMARY?KEY?AUTOINCREMENT,"?? ????????????????+?COLUMN_NAME_NOTE_CONTENT?+?"?TEXT?NOT?NULL?DEFAULT\"\","?? ????????????????+?COLUMN_NAME_NOTE_DATE?+?"?TEXT?NOT?NULL?DEFAULT\"\""?+?")";?? ????????Log.d("SQL",?sql);?? ????????db.execSQL(sql);?? //??????String?sql1="insert?into?"+TABLE_NAME_NOTES+"values("+"1,"+"'寫作業(yè)',"+"'晚上要寫作業(yè)的干活'"+")";?? //??????Log.d("SQL1",?sql1);?? //??????db.execSQL(sql1);?? //??????ContentValues?values=new?ContentValues();?? //??????values.put("id",1);?? //??????values.put("content","寫作業(yè)");?? //??????values.put("date",?"2013-1-2");?? //??????db.insert("note",?null,?values);?? ?? ????}?? ?? ????@Override?? ????public?void?onUpgrade(SQLiteDatabase?arg0,?int?arg1,?int?arg2)?{?? ????????//?TODO?Auto-generated?method?stub?? ?? ????}?? ?? }