Android Open Source - sampleaccountandserver Add New Account Activity

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License

The source code is released under:

Apache License

Java Source Code

package com.jiahaoliuliu.android.sampleaccountandserver.accountmanager;
/*from   w ww .  ja va 2  s .c o m*/
import android.accounts.Account;
import android.accounts.AccountAuthenticatorResponse;
import android.accounts.AccountManager;
import android.app.Activity;
import android.content.Context;
import android.content.pm.ActivityInfo;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.Window;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

import com.jiahaoliuliu.android.sampleaccountandserver.util.AccountUtils;
import com.jiahaoliuliu.android.sampleaccountandserver.util.SecurityUtils;
import com.jiahaoliuliu.android.sampleaccountandserver.R;

/**
 * This class is called when the user want to create an account in the configuration of Android.
 */
public class AddNewAccountActivity extends Activity {

    /**
     * The tag utilized for the log.
     */
    private static final String LOG_TAG = AddNewAccountActivity.class.getSimpleName();

    /**
     * The context of the program.
     */
    private Context context;

    /**
     * The user name input by the user.
     */
    private EditText usernameET;

    /**
     * The password input by the user.
     */
    private EditText passwordET;

    /**
     * The button to add a new account.
     */
    private Button addNewAccountButton;

    /**
     * The response passed by the service.
     * It is used to give the user name and the password to the account manager
     */
    private AccountAuthenticatorResponse response;

    /**
     * The account manager used to request and add account.
     */
    private AccountManager accountManager;

    /**
     * Called when the activity is first created.
     * @param savedInstanceState The state saved previously
     */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        //Remove title bar
    this.requestWindowFeature(Window.FEATURE_NO_TITLE);
    
    //Remove notification bar
    //this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
    
    // Lock the screen orientation
    this.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);

        setContentView(R.layout.add_new_account_layout);

        context = this;

        usernameET = (EditText) findViewById(R.id.username);

        passwordET = (EditText) findViewById(R.id.password);

        addNewAccountButton = (Button) findViewById(R.id.createNewAccountButton);
        addNewAccountButton.setOnClickListener(onClickListener);

        Bundle extras = getIntent().getExtras();

        if (extras != null) {
            /*
             * Pass the new account back to the account manager
             */
            response = extras.getParcelable(AccountManager.KEY_ACCOUNT_AUTHENTICATOR_RESPONSE);
        }
    }

    /**
     * The listener for the button pressed.
     */
    private final View.OnClickListener onClickListener = new View.OnClickListener() {
        @Override
        public void onClick(View v) {

            final String username = usernameET.getText().toString();
      final String password = passwordET.getText().toString();

      // Check the contents
      // Check the user name
      if (username == null || username.equalsIgnoreCase("")) {
        Toast.makeText(context, getResources().getString(R.string.warning_username_empty), Toast.LENGTH_LONG).show();
        return;
      }

      // Check the password
      if (password == null || password.equalsIgnoreCase("")) {
        Toast.makeText(context, getResources().getString(R.string.warning_password_empty), Toast.LENGTH_LONG).show();
        return;
      }

            accountManager = AccountManager.get(context);

            /*
             * Check if the account already exists.
             */
            if (AccountUtils.getUserAccount(context, username) != null) {
                Toast.makeText(context, R.string.warning_account_already_exists, Toast.LENGTH_SHORT).show();
                return;
            }

            /*
             * Check the user name and the password against the server.
             */
            Account newUserAccount = new Account(username, getResources().getString(R.string.account_type));

            try {
                String encryptedPassword = SecurityUtils.encryptToHex(password);
                boolean accountCreated = accountManager.addAccountExplicitly(newUserAccount, encryptedPassword, null);
                if (accountCreated) {
                    if (response != null) {
                        Bundle result = new Bundle();
                        result.putString(AccountManager.KEY_ACCOUNT_NAME, username);
                        result.putString(AccountManager.KEY_ACCOUNT_TYPE, getString(R.string.account_type));
                        response.onResult(result);
                        Toast.makeText(context, R.string.add_new_account_done, Toast.LENGTH_LONG).show();
                        finish();
                    } else {
                        Toast.makeText(context, R.string.error_creating_account, Toast.LENGTH_LONG).show();
                    }
                } else {
                    Toast.makeText(context, R.string.error_creating_account, Toast.LENGTH_LONG).show();
                }
            } catch (Exception e) {
                Log.e(LOG_TAG, e.getLocalizedMessage(), e);
                Toast.makeText(context, R.string.error_creating_account, Toast.LENGTH_LONG).show();
            }
        }
    };
}

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