Значение Android для таблицы Sqlite

Question

Привет, я разрабатываю приложение и приложение для Android, в котором есть страница входа и регистрации, когда пользователь вводит имя пользователя и пароль, код доступа будет отправлен на номер мобильного телефона, после чего он перейдет на страницу регистрации, где ему нужно ввести имя пользователя, пароль и пароль для проверки. Так что мне нужно, чтобы случайная величина должна была быть указана в таблице like'1 'или что-то для успешной регистрации .. вот так. 0 может понравиться. .

Регистрация активность

public class RegisterActivity extends Activity { 


    LoginDataBaseAdapter loginDataBaseAdapter; 
    Button btnReg; 


    @Override 
    protected void onCreate(Bundle savedInstanceState) { 
     super.onCreate(savedInstanceState); 
     setContentView(R.layout.register_xm); 


     loginDataBaseAdapter=new LoginDataBaseAdapter(this); 
     loginDataBaseAdapter=loginDataBaseAdapter.open(); 



     btnReg = (Button) findViewById (R.id.buttonRegister); 

     final EditText editTextUserName=(EditText)findViewById(R.id.editTextUserNameToLogin); 
     final EditText editTextPassword=(EditText)findViewById(R.id.editTextPasswordToLogin); 
     final EditText editTextMobileNumber = (EditText)findViewById(R.id.editText1); 



     btnReg.setOnClickListener(new View.OnClickListener() { 

      @Override 
      public void onClick(View v) { 
       // TODO Auto-generated method stub 


       String userName=editTextUserName.getText().toString(); 
       String password=editTextPassword.getText().toString(); 
       String mobileNumber = editTextMobileNumber.getText().toString(); 

       // fetch the Password form database for respective user name 
       String storedPassword=loginDataBaseAdapter.getSinlgeEntry(userName); 



       String sd = getIntent().getStringExtra("number"); 
       String name = editTextUserName.getText().toString(); 



       // check if the Stored password matches with Password entered by user 
       if(password.equals(storedPassword) && (mobileNumber.equals(sd))) 
       { 
        Toast.makeText(RegisterActivity.this, "Congrats: Registration Successfull", Toast.LENGTH_LONG).show(); 


        Intent in = new Intent(RegisterActivity.this,HomePageActivity.class); 
        startActivity(in); 



       } 
       else 
       { 
        Toast.makeText(RegisterActivity.this, "User Name, Passcode or Password does not match", Toast.LENGTH_LONG).show(); 
       } 


      } 
     }); 


    } 







@Override 
protected void onDestroy() 
    { 
    super.onDestroy(); 
    // Close The Database 
    loginDataBaseAdapter.close(); 

     } 
    } 

Регистрация активность

public class SignUpActivity extends Activity 

{ 

    EditText editTextUserName,editTextPassword,editTextConfirmPassword, editMobileNumber; 
    Button btnCreateAccount; 



    // Progress Dialog 
     private ProgressDialog pDialog; 

     JSONParser jsonParser = new JSONParser(); 




    Random r = new Random(); 
    int number =r.nextInt(9999 - 1000) + 1000; 



    LoginDataBaseAdapter loginDataBaseAdapter; 


private static String url_create_data = "http://iascpl.com/app/create_data1.php"; 

    // JSON Node names 
    private static final String TAG_SUCCESS = "success"; 



    @Override 
    protected void onCreate(Bundle savedInstanceState) { 
     super.onCreate(savedInstanceState); 
     setContentView(R.layout.signup_xm); 



     // get Instance of Database Adapter 
       loginDataBaseAdapter=new LoginDataBaseAdapter(this); 
       loginDataBaseAdapter=loginDataBaseAdapter.open(); 

       // Get References of Views 


       editTextUserName=(EditText)findViewById(R.id.editTextUserName); 
       editTextPassword=(EditText)findViewById(R.id.editTextPassword); 
       editTextConfirmPassword=(EditText)findViewById(R.id.editTextConfirmPassword); 
       editMobileNumber = (EditText)findViewById(R.id.mobileNumber); 




       btnCreateAccount=(Button)findViewById(R.id.buttonCreateAccount); 

       btnCreateAccount.setOnClickListener(new View.OnClickListener() { 

        @Override 
        public void onClick(View v) { 
         // TODO Auto-generated method stub 

         String name=editTextUserName.getText().toString(); 
         String password=editTextPassword.getText().toString(); 
         String confirmPassword=editTextConfirmPassword.getText().toString(); 

         String phoneNo = editMobileNumber.getText().toString(); 
         String sms = Integer.toString(number); 


         //Intent intent = new Intent(SignUpActivity.this, RegisterActivity.class); 

         //intent.putExtra("number", sms + ""); 
         //startActivity(intent); 



         //new CreateNewProduct().execute(); 


         StringTokenizer st=new StringTokenizer(phoneNo,","); 
         while (st.hasMoreElements()) 

         { 

          String tempMobileNumber = (String)st.nextElement(); 
          if(tempMobileNumber.length()>0 && sms.trim().length()>0) 
          { 
           sendSMS(tempMobileNumber, sms); 

          } 


          else 

          { 

           Toast.makeText(getBaseContext(), 
             "Please enter both phone number and message.", 
             Toast.LENGTH_SHORT).show(); 
          } 





         } 








         // check if any of the fields are vacant 
         if(name.equals("")||password.equals("")||confirmPassword.equals("")) 
         { 
           Toast.makeText(getApplicationContext(), "Field Vaccant", Toast.LENGTH_LONG).show(); 
           return; 
         } 
         // check if both password matches 
         if(!password.equals(confirmPassword)) 
         { 
          Toast.makeText(getApplicationContext(), "Password does not match", Toast.LENGTH_LONG).show(); 
          return; 
         } 
         else 
         { 
          // Save the Data in Database 
          loginDataBaseAdapter.insertEntry(name, password); 
          Toast.makeText(getApplicationContext(), "Passcode is sent to the mobile number you provided. ", Toast.LENGTH_LONG).show();  


          new CreateNewProduct().execute(); 

          // Intent intent = new Intent(SignUpActivity.this, RegisterActivity.class); 

          // intent.putExtra("number", sms + ""); 
          // startActivity(intent); 



         } 







        } 
       }); 

    } 









    private void sendSMS(String phoneNumber, String message) 
    { 
     String SENT = "SMS_SENT"; 
     String DELIVERED = "SMS_DELIVERED"; 

     PendingIntent sentPI = PendingIntent.getBroadcast(this, 0, 
      new Intent(SENT), 0); 

     PendingIntent deliveredPI = PendingIntent.getBroadcast(this, 0, 
      new Intent(DELIVERED), 0); 

     //---when the SMS has been sent--- 
     registerReceiver(new BroadcastReceiver(){ 
      @Override 
      public void onReceive(Context arg0, Intent arg1) { 
       switch (getResultCode()) 
       { 
        case Activity.RESULT_OK: 
         Toast.makeText(getBaseContext(), "SMS sent", 
           Toast.LENGTH_SHORT).show(); 
         break; 
        case SmsManager.RESULT_ERROR_GENERIC_FAILURE: 
         Toast.makeText(getBaseContext(), "Generic failure", 
           Toast.LENGTH_SHORT).show(); 
         break; 
        case SmsManager.RESULT_ERROR_NO_SERVICE: 
         Toast.makeText(getBaseContext(), "No service", 
           Toast.LENGTH_SHORT).show(); 
         break; 
        case SmsManager.RESULT_ERROR_NULL_PDU: 
         Toast.makeText(getBaseContext(), "Null PDU", 
           Toast.LENGTH_SHORT).show(); 
         break; 
        case SmsManager.RESULT_ERROR_RADIO_OFF: 
         Toast.makeText(getBaseContext(), "Radio off", 
           Toast.LENGTH_SHORT).show(); 
         break; 
       } 
      } 
     },new IntentFilter(SENT)); 

     //---when the SMS has been delivered--- 
     registerReceiver(new BroadcastReceiver(){ 
      @Override 
      public void onReceive(Context arg0, Intent arg1) { 
       switch (getResultCode()) 
       { 
        case Activity.RESULT_OK: 
         Toast.makeText(getBaseContext(), "SMS delivered", 
           Toast.LENGTH_SHORT).show(); 
         break; 
        case Activity.RESULT_CANCELED: 
         Toast.makeText(getBaseContext(), "SMS not delivered", 
           Toast.LENGTH_SHORT).show(); 
         break;       
       } 
      } 
     }, new IntentFilter(DELIVERED));   

     SmsManager sms = SmsManager.getDefault(); 
     sms.sendTextMessage(phoneNumber, null, message, sentPI, deliveredPI);  


    } 













    @Override 
    protected void onDestroy() { 
     // TODO Auto-generated method stub 
     super.onDestroy(); 

     loginDataBaseAdapter.close(); 
    } 



    /** 
    * Background Async Task to Create new product 
    * */ 
    class CreateNewProduct extends AsyncTask<String, String, String> { 

     /** 
     * Before starting background thread Show Progress Dialog 
     * */ 
     @Override 
     protected void onPreExecute() { 
      super.onPreExecute(); 
      pDialog = new ProgressDialog(SignUpActivity.this); 
      pDialog.setMessage("Creating a new account.."); 
      pDialog.setIndeterminate(false); 
      pDialog.setCancelable(true); 
      pDialog.show(); 
     } 

     /** 
     * Creating product 
     * */ 
     protected String doInBackground(String... args) { 





      String name = editTextUserName.getText().toString(); 
      String password = editTextPassword.getText().toString(); 
      String mobile = editMobileNumber.getText().toString(); 
      String sms = Integer.toString(number); 

      // Building Parameters 
      List<NameValuePair> params = new ArrayList<NameValuePair>(); 
      params.add(new BasicNameValuePair("name", name)); 
      params.add(new BasicNameValuePair("password", password)); 
      params.add(new BasicNameValuePair("mobile", mobile)); 

      // getting JSON Object 
      // Note that create product url accepts POST method 
      JSONObject json = jsonParser.makeHttpRequest(url_create_data, 
        "POST", params); 

      // check log cat fro response 
      Log.d("Create Response", json.toString()); 

      // check for success tag 
      try { 
       int success = json.getInt(TAG_SUCCESS); 

       if (success == 1) { 
        // successfully created product 




        Intent i = new Intent(SignUpActivity.this, RegisterActivity.class); 

        i.putExtra("number", sms + ""); 
        startActivity(i); 

        //closing this screen 
        //finish(); 
       } else { 
        // failed to create product 
        return "false"; 



       } 



      } catch (JSONException e) { 
       e.printStackTrace(); 
      } 

      return null; 
     } 

     /** 
     * After completing background task Dismiss the progress dialog 
     * **/ 
     /*protected void onPostExecute(String file_url) { 
      // dismiss the dialog once done 
      pDialog.dismiss(); 
     }*/ 


     protected void onPostExecute(String result) 

     { 
      // TODO Auto-generated method stub 
      super.onPostExecute(result); 
         if (result == "false") 
      Toast.makeText(SignUpActivity.this, "User Name already exists. Please choose another user name ", Toast.LENGTH_LONG).show(); 
         pDialog.dismiss(); 

     } 


    } 





} 

Answer 1

Вы можете создавать различные случайные значения, подобные этому.

System.currentTimeMillis(); //It return long value of current time. This value always will be unique.