我尝试将我的quizapp的高分显示到表格布局值从数据库中获取 所以PLZ帮我...告诉我任何代码行中的问题 ＆＃34;这是我的DBHandler类＆＃34;
public class Database extends SQLiteOpenHelper{
private static final int DATABASE_VERSION = 1;
private static final String DATABASE_NAME = "QuestData";
private static final String DATABASE_SCORE = "HScore";
private static final String TABLE_QUEST = "quest";
private static final String KEY_ID = "id";
private static final String KEY_QUEST = "quest";
private static final String KEY_ANS = "answer";
private static final String KEY_OPTION1= "option1";
private static final String KEY_OPTION2= "option2";
private static final String KEY_OPTION3= "option3";
static final String scoreTable="ScoreTab";
static final String score="Score";
static final String pName="PlayerName";
private SQLiteDatabase database;
public Database(Context context) {
super(context, DATABASE_NAME, null, DATABASE_VERSION);
}
@Override
public void onCreate(SQLiteDatabase db) {
database=db;
db.execSQL("CREATE TABLE "+scoreTable+" ("+score+ " INTEGER PRIMARY KEY , "+
pName+ " TEXT)");
addScore(null);
String sql = "CREATE TABLE IF NOT EXISTS" + TABLE_QUEST + "("
+ KEY_ID + " INTEGER PRIMARY KEY AUTOINCREMENT," + KEY_QUEST
+ " TEXT, " + KEY_OPTION1 +" TEXT,"
+ KEY_OPTION2 +" TEXT, " + KEY_OPTION3 + " TEXT, " + KEY_ANS + " TEXT)";
db.execSQL(sql);
addQuest();
}
private void addQuest() {
Quest q1=new Quest("(1).Which company is the largest manufacturer" +
" of network equipment?","HP","IBM","CISCO","CISCO");
this.addQuest(q1);
Quest q2=new Quest("(2).Which of the following is NOT " +
"an operating system?","SuSe","BIOS","DOS","BIOS");
this.addQuest(q2);
Quest q3=new Quest("(3).Which of the following is the fastest" +
" writable memory?","RAM","FLASH","Register","Register");
this.addQuest(q3);
Quest q4=new Quest("(4).Which of the following device" +
" regulates internet traffic?","Router","Bridge","PenDrive","Router");
this.addQuest(q4);
Quest q5=new Quest("(5).Which of the following is NOT an" +
" interpreted language?","Ruby","Python","BASIC","BASIC");
this.addQuest(q5);
Quest q6=new Quest("(6).Which Cricket player scores fastest hundred in ODI" +
" interpreted language?","Afridi","Sachin","Ponting","Afridi");
this.addQuest(q6);
Quest q7=new Quest("(7).Who is the richest Person in the world" +
" ?","BillGates","Ashish","Ambani","Billgates");
this.addQuest(q7);
Quest q8=new Quest("(8).What is the full form of ORM" +
" ?","Object Relation Module","Object Ralation Map","Operation Resource Map","Object Ralation Map");
this.addQuest(q8);
Quest q9=new Quest("(9).Full form of OODP" +
" ?","Object Operating Design Pattern","Object Of Design Pattern","Object Oriented Design Pattern","Object Oriented Design Pattern");
this.addQuest(q9);
Quest q10=new Quest("(10).Who is the fastest baller in the world" +
" ?","Shoib","Munaf","BretLee","BretLee");
this.addQuest(q10);
}
private void addQuest(Quest quest) {
ContentValues values = new ContentValues();
values.put(KEY_QUEST,quest.getQUEST());
values.put(KEY_ANS,quest.getANSWER());
values.put(KEY_OPTION1,quest.getOPTION1());
values.put(KEY_OPTION2,quest.getOPTION2());
values.put(KEY_OPTION3,quest.getOPTION3());
}
public void addScore(HScore hScore)
{
//SQLiteDatabase db=this.getWritableDatabase();
ContentValues values=new ContentValues();
values.put(score, hScore.getNAME());
values.put(pName, hScore.getSCORE());
database.insert(scoreTable, null, values);
}
public int rowcount()
{
int row=0;
String selectQuery = "SELECT * FROM " + TABLE_QUEST;
SQLiteDatabase database = this.getWritableDatabase();
Cursor cursor = database.rawQuery(selectQuery,null);
row=cursor.getCount();
return row;
}
public List<Quest>getAllQuestions() {
List<Quest>queList = new ArrayList<Quest>();
String selectQuery = "SELECT * FROM " + TABLE_QUEST;
database=this.getReadableDatabase();
Cursor cursor = database.rawQuery(selectQuery, null);
if (cursor.moveToFirst()) {
do {
Quest question = new Quest();
question.setID(cursor.getInt(0));
question.setQUEST(cursor.getString(1));
question.setANSWER(cursor.getString(2));
question.setOPTION1(cursor.getString(3));
question.setOPTION2(cursor.getString(4));
question.setOPTION3(cursor.getString(5));
queList.add(question);
} while (cursor.moveToNext());
}
return queList;
}
public List<HScore>getScore() {
List<HScore>scoreList = new ArrayList<HScore>();
String selectQuery = "SELECT * FROM " + scoreTable;
database=this.getReadableDatabase();
Cursor cursor = database.rawQuery(selectQuery, null);
if (cursor.moveToFirst()) {
do {
HScore score = new HScore();
score.setSID(cursor.getInt(0));
score.setNAME(cursor.getString(1));
score.setSCORE(cursor.getString(2));
scoreList.add(score);
} while (cursor.moveToNext());
}
return scoreList;
}
@Override
public void onUpgrade(SQLiteDatabase database, int oldVersion, int newVersion) {
database.execSQL("DROP TABLE IF EXISTS " + TABLE_QUEST);
database.execSQL("DROP TABLE IF EXISTS " + scoreTable);
onCreate(database);
}
}
＆＃34;在这里我的活动＆＃34;
public class High_ScoreActivity extends Activity {
List<HScore> scoreList;
TextView txtName,txtScore;
int sid=0;
HScore hs;
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_high__score);
Database database = new Database(this);
scoreList = database.getScore();
hs = scoreList.get(sid);
txtName=(TextView)findViewById(R.id.tvName1);
txtScore=(TextView)findViewById(R.id.tvScore1);
setScoreView();
}
private void setScoreView() {
txtScore.setText(hs.getNAME());
txtScore.setText(hs.getSCORE());
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.high__score, menu);
return true;
}
}
＆＃34; Here Activty_Layout＆＃34;
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context=".High_ScoreActivity" >
<Button
android:id="@+id/btn3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_centerHorizontal="true"
android:layout_marginBottom="45dp"
android:text="@string/btn" />
<TableLayout
android:id="@+id/tlHighScore"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:layout_marginLeft="28dp"
android:layout_marginTop="30dp" >
<TableRow
android:id="@+id/tableRow1"
android:layout_width="wrap_content"
android:layout_height="wrap_content" >
<TextView
android:id="@+id/tvName1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="TextView" />
<TextView
android:id="@+id/tvScore1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="TextView" />
</TableRow>
<TableRow
android:id="@+id/tableRow2"
android:layout_width="wrap_content"
android:layout_height="wrap_content" >
<TextView
android:id="@+id/tvName2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="TextView" />
<TextView
android:id="@+id/tvScore2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="TextView" />
</TableRow>
<TableRow
android:id="@+id/tableRow3"
android:layout_width="wrap_content"
android:layout_height="wrap_content" >
<TextView
android:id="@+id/tvName3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="TextView" />
<TextView
android:id="@+id/tvScore3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="TextView" />
</TableRow>
<TableRow
android:id="@+id/tableRow4"
android:layout_width="wrap_content"
android:layout_height="wrap_content" >
<TextView
android:id="@+id/tvName4"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="TextView" />
<TextView
android:id="@+id/tvScore4"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="TextView" />
</TableRow>
<TableRow
android:id="@+id/tableRow5"
android:layout_width="wrap_content"
android:layout_height="wrap_content" >
<TextView
android:id="@+id/tvName5"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="TextView" />
<TextView
android:id="@+id/tvScore5"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="TextView" />
</TableRow>
</TableLayout>
</RelativeLayout>