[英]UPDATE not working in sqlite android
我有一個登錄和重置密碼活動。 當我輸入新的更新密碼並嘗試再次登錄時,我無法使用新密碼進行登錄。 使用舊密碼登錄工作正常。 基本上,密碼字段不會被更新/覆蓋。
logcat 中沒有錯誤。 只是密碼沒有更新。
請幫助,因為我是 android 開發的新手。
更新代碼(DataRegister 是具有 GET AND SET 功能的類):
public int updatePassword(DataRegister dataregister) {
db = dbHelper.getWritableDatabase();
ContentValues updated = new ContentValues();
updated.put("PASSWORD", dataregister.getPASSWORD());
return db.update(DataRegister.TABLE, updated, "EMAIL=?" , new String[]{email});
}
檢索代碼:
public String getPass(DataRegister dataRegister) {
db = dbHelper.getWritableDatabase();
Cursor cursor = db.query(DataRegister.TABLE, null, "EMAIL=?",
new String[]{dataRegister.getEMAIL()}, null, null, null, null);
if (cursor != null && cursor.moveToFirst())
{
pass = cursor.getString(cursor.getColumnIndex("PASSWORD"));
cursor.close();
}
return pass;
// return contact
}
登錄代碼:
String email = editTextUserName.getText().toString();
dataRegister.setEMAIL(email);
String password = editTextPassword.getText().toString();
dataRegister.setPASSWORD(password);
String storedPassword = loginDataBaseAdapter.getSinlgeEntry(dataRegister);
Toast.makeText(Login.this, storedPassword,Toast.LENGTH_LONG).show();
Boolean a=loginDataBaseAdapter.isExist(dataRegister.getEMAIL());
validation = getSharedPreferences("myShaPreferences", Context.MODE_PRIVATE);
if (password.equals(storedPassword)) {
Toast.makeText(Login.this,
"Congrats: Login Successful", Toast.LENGTH_LONG)
.show();
}
else {
Toast.makeText(Login.this,
"User Name or Password does not match",
Toast.LENGTH_LONG).show();
}
}
});
重置密碼的代碼:
public class ResetPassword extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_reset_password);
email = (EditText) findViewById(R.id.em2);
dataRegister=new DataRegister();
loginDataBaseAdapter = new DatabaseAdapter(this);
loginDataBaseAdapter = loginDataBaseAdapter.open();
pass = (EditText) findViewById(R.id.text12);
conpass = (EditText) findViewById(R.id.text13);
email1 = email.getText().toString();
dataRegister.setEMAIL(email1);
pass1 = pass.getText().toString();
conpass1 = conpass.getText().toString();
dataRegister.setPASSWORD(conpass1);
Button btnReset = (Button) findViewById(R.id.btnReset);
btnReset.setOnClickListener(new View.OnClickListener() {
public void onClick(View view) {
if (pass1.equals(conpass1)) {
loginDataBaseAdapter.updatePassword(email1,pass1);
String newpass = loginDataBaseAdapter.getPass(dataRegister);
Toast.makeText(ResetPassword.this, newpass, Toast.LENGTH_LONG).show();
Intent intent = new Intent(ResetPassword.this, Login.class);
startActivity(intent);
finish();
}
else {
Toast.makeText(ResetPassword.this,
"Password does not match",
Toast.LENGTH_LONG).show();
}
}
});
也許這可以幫助您更新數據:
public void updating( Password password) {
ContentValues value = new ContentValues();
value.put( PasswordDAO.LOGIN, password.getlogin() );
value.put( PasswordDAO.PASSWORD, password.getPassword());
this.mDb.update( PasswordDAO.NAME_TABLE, value, PasswordDAO.ID + " = ?", new String[]{String.valueOf(password.getId())} );
}
PasswordDao是繼承DAOBase的類名,NAME_TABLE是“Password”,需要創建一個id為login和password的類密碼。
希望這可以幫到你
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