Android Open Source - force_analytics_example Account Switcher Activity

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Copyright (c) 2011, salesforce.com, inc. All rights reserved. ======================================== Redistribution and use of this software in source and binary forms, with or without modificatio...

Java Source Code

/*
 * Copyright (c) 2014, salesforce.com, inc.
 * All rights reserved.//from w  ww  .j  ava2  s  .  c  om
 * Redistribution and use of this software in source and binary forms, with or
 * without modification, are permitted provided that the following conditions
 * are met:
 * - Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 * - Neither the name of salesforce.com, inc. nor the names of its contributors
 * may be used to endorse or promote products derived from this software without
 * specific prior written permission of salesforce.com, inc.
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
package com.salesforce.androidsdk.ui;

import java.util.List;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.RadioGroup;

import com.salesforce.androidsdk.accounts.UserAccount;
import com.salesforce.androidsdk.accounts.UserAccountManager;
import com.salesforce.androidsdk.app.SalesforceSDKManager;

/**
 * This class provides UI to switch between existing signed in user accounts,
 * or add a new account. This screen is popped off the activity stack
 * once the account switch is made.
 *
 * @author bhariharan
 */
public class AccountSwitcherActivity extends Activity {

    private SalesforceR salesforceR;
  private UserAccountManager userAccMgr;

  @Override
  public void onCreate(Bundle savedInstance) {
    super.onCreate(savedInstance);
        salesforceR = SalesforceSDKManager.getInstance().getSalesforceR();
    userAccMgr = SalesforceSDKManager.getInstance().getUserAccountManager();
    setContentView(salesforceR.layoutAccountSwitcher());
  }

  @Override
  public void onResume() {
    super.onResume();
    buildAccountList();
  }

  /**
   * This method is triggered when the 'Apply' button is clicked. It
   * switches the context to the selected account, if it is different
   * from the current account.
   *
   * @param v View that was clicked.
   */
  public void switchToExistingAccount(View v) {
        final RadioGroup radioGroup = (RadioGroup) findViewById(salesforceR.idAccountListGroup());
        int checkedId = radioGroup.getCheckedRadioButtonId();
    final SalesforceAccountRadioButton rb = (SalesforceAccountRadioButton) radioGroup.findViewById(checkedId);
    if (rb != null) {
      final UserAccount account = rb.getAccount();
      userAccMgr.switchToUser(account);
    }
    finish();
  }

  /**
   * This method is triggered when the 'Add New Account' button is clicked.
   * It launches the login flow to sign into a new account.
   *
   * @param v View that was clicked.
   */
  public void switchToNewAccount(View v) {
    userAccMgr.switchToNewUser();
    finish();
  }

  /**
   * Builds the list of current accounts and adds them to the RadioGroup.
   */
  private void buildAccountList() {
        final RadioGroup radioGroup = (RadioGroup) findViewById(salesforceR.idAccountListGroup());
        radioGroup.removeAllViews();
        UserAccount curAccount = userAccMgr.getCurrentUser();
    final List<UserAccount> accounts = userAccMgr.getAuthenticatedUsers();
    if (accounts == null || accounts.size() == 0) {
      return;
    }
    if (curAccount == null) {
      curAccount = accounts.get(0);
    }
    int curSelectedIndex = 0;
    for (int i = 0; i < accounts.size(); i++) {
      final UserAccount account = accounts.get(i);
      if (account != null) {
        setRadioState(radioGroup, account);
        if (account.equals(curAccount)) {
          curSelectedIndex = i;
        }
      }
    }

    /*
     * Sets the current active account to a checked state.
     */
    final SalesforceAccountRadioButton rb = (SalesforceAccountRadioButton) radioGroup.getChildAt(curSelectedIndex);
      if (rb != null) {
        rb.setChecked(true);
      }
  }

    /**
     * Sets the radio state.
     *
     * @param radioGroup RadioGroup instance.
     * @param account UserAccount instance.
     */
    private void setRadioState(RadioGroup radioGroup, UserAccount account) {
      final SalesforceAccountRadioButton rb = new SalesforceAccountRadioButton(this, account);
      radioGroup.addView(rb);
    }
}

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