我將數據輸入表單和按鈕的按下字符串應該被髮送到數據庫如果寫入成功,我有一個對話框打開,但我沒有收到任何迴應。
編輯:我確定錯誤爲「AUTOINCREMENT只允許在整數主鍵」 但是,我的主鍵是一個整數?
public class AddCourse extends Activity implements OnClickListener {
Button sqlAddModule;
EditText sqlModuleCode, sqlModuleName, sqlModuleStart, sqlModuleEnd, sqlModuleLocation, sqlModuleComments;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.add_course);
sqlAddModule= (Button)findViewById(R.id.addToDatabase);
sqlModuleCode = (EditText)findViewById(R.id.labelEditModuleCode);
sqlModuleName = (EditText)findViewById(R.id.labelEditModuleFull);
sqlModuleLocation = (EditText)findViewById(R.id.labelEditModuleLocation);
sqlModuleComments = (EditText)findViewById(R.id.labelEditModuleComments);
sqlAddModule.setOnClickListener(this);
}
public void onClick (View addModuleButton)
{
boolean didItWork = true;
try{
String moduleCode = sqlModuleCode.getText().toString();
String moduleName = sqlModuleName.getText().toString();
String moduleLocation = sqlModuleLocation.getText().toString();
String moduleComments = sqlModuleComments.getText().toString();
database entry = new database(AddCourse.this);
entry.open();
entry.createEntry(moduleCode, moduleName,moduleLocation, moduleComments);
entry.close();
}catch(Exception e){
didItWork = false;
}finally{ if(didItWork){
Dialog d = new Dialog(this) ;
d.setTitle("BooYa!");
TextView tv = new TextView(this);
tv.setText("Success");
d.setContentView(tv);
d.show();
}
}
finish();
}
}
SQL類
public class database {
public static final String KEY_ROWID = "_id";
public static final String KEY_MODULECODE = "module_code";
public static final String KEY_MODULENAME = "module_name";
public static final String KEY_MODULETYPE = "module_type";
public static final String KEY_MODULEDAY = "module_day";
public static final String KEY_MODULESTART = "module_start";
public static final String KEY_MODULEEND = "module_end";
public static final String KEY_MODULELOCATION = "module_location";
public static final String KEY_MODULECOMMENTS = "module_comments";
private static final String DATABASE_NAME = "module_database";
private static final String DATABASE_TABLE = "my_modules";
private static final int DATABASE_VERSION = 1;
private DbHelper myHelper;
private final Context myContext;
private SQLiteDatabase moduleDatabase;
private static class DbHelper extends SQLiteOpenHelper {
public DbHelper(Context context){
super(context, DATABASE_NAME, null, DATABASE_VERSION);
}
@Override
public void onCreate(SQLiteDatabase db) {
db.execSQL("CREATE TABLE " + DATABASE_TABLE + " (" +
KEY_ROWID + " INTERGER PRIMARY KEY AUTOINCREMENT, " +
KEY_MODULECODE + " TEXT NOT NULL, " +
KEY_MODULENAME + " TEXT NOT NULL, " +
KEY_MODULELOCATION + " TEXT NOT NULL, " +
KEY_MODULECOMMENTS + " TEXT NOT NULL,);"
);
}
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
// TODO Auto-generated method stub
db.execSQL("DROP TABEL IF EXISTS " + DATABASE_TABLE);
onCreate(db);
}
}
public database(Context c){
myContext = c;
}
public database open()throws SQLException{
myHelper = new DbHelper(myContext);
moduleDatabase = myHelper.getWritableDatabase();
return this;
}
public void close(){
myHelper.close();
}
public long createEntry(String moduleCode, String moduleName, String moduleLocation, String moduleComments) {
ContentValues cv = new ContentValues();
cv.put(KEY_MODULECODE,moduleCode);
cv.put(KEY_MODULENAME,moduleName);
cv.put(KEY_MODULELOCATION,moduleLocation);
cv.put(KEY_MODULECOMMENTS,moduleComments);
return moduleDatabase.insert(DATABASE_TABLE,null,cv);
// TODO Auto-generated method stub
}
}
額外的逗號這是你的[前一個問題]同樣的問題(http://stackoverflow.com/q/13168638/1267661),但沒有錯誤... – Sam
我注意到我遺漏了解決錯誤的setOnClickListner,但現在logCat不會顯示任何錯誤,除了垃圾回收器釋放內存。 – Calgar99
我刪除它並重新添加它,但它沒有區別。我的錯誤是在我的onClick方法或數據庫類中,但無法找到它。 – Calgar99