Android Open Source - force_analytics_example Server Picker 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...
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Java Source Code

/*
 * Copyright (c) 2014, salesforce.com, inc.
 * All rights reserved.//from  w  w  w  .j  a va  2 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.app.Dialog;
import android.content.DialogInterface;
import android.content.DialogInterface.OnCancelListener;
import android.content.DialogInterface.OnDismissListener;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.RadioGroup;

import com.salesforce.androidsdk.app.SalesforceSDKManager;
import com.salesforce.androidsdk.auth.LoginServerManager;
import com.salesforce.androidsdk.auth.LoginServerManager.LoginServer;

/**
 * This class provides UI to change the login server URL to use
 * during an OAuth flow. The user can add a number of custom servers,
 * or switch between the list of existing servers in the list.
 *
 * @author bhariharan
 */
public class ServerPickerActivity extends Activity implements
        OnDismissListener, OnCancelListener,
        android.widget.RadioGroup.OnCheckedChangeListener {

    private static final int SERVER_DIALOG_ID = 0;

    public CustomServerUrlEditor urlEditDialog;
    private SalesforceR salesforceR;
    private LoginServerManager loginServerManager;

    /**
     * Clears any custom URLs that may have been set.
     */
    private void clearCustomUrlSetting() {
      loginServerManager.reset();
      rebuildDisplay();
    }

    /**
     * Method called when the 'Cancel' button is clicked.
     *
     * @param v View that was clicked.
     */
    public void setCancelReturnValue(View v) {
        onBackPressed();
    }

    @Override
    public void onCheckedChanged(RadioGroup group, int checkedId) {
      if (group != null) {
        final SalesforceServerRadioButton rb = (SalesforceServerRadioButton) group.findViewById(checkedId);
        if (rb != null) {
          final String name = rb.getName();
          final String url = rb.getUrl();
          boolean isCustom = rb.isCustom();
          loginServerManager.setSelectedLoginServer(new LoginServer(name,
              url, isCustom));
        }
      }
    }

    /**
     * Called when the 'Reset' button is clicked. Clears custom URLs.
     *
     * @param v View that was clicked.
     */
    public void onResetClick(View v) {
        clearCustomUrlSetting();
    }

    /**
     * Returns the server list group ID.
     *
     * @return Server list group ID.
     */
    protected int getServerListGroupId() {
        return salesforceR.idServerListGroup();
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
        salesforceR = SalesforceSDKManager.getInstance().getSalesforceR();
        loginServerManager = SalesforceSDKManager.getInstance().getLoginServerManager();
        setContentView(salesforceR.layoutServerPicker());
        final RadioGroup radioGroup = (RadioGroup) findViewById(getServerListGroupId());
        radioGroup.setOnCheckedChangeListener(this);
    }

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

    @Override
    public void onDestroy() {
        final RadioGroup radioGroup = (RadioGroup) findViewById(getServerListGroupId());
        radioGroup.setOnCheckedChangeListener(null);
        super.onDestroy();
    }

    @Override
    protected Dialog onCreateDialog(int id) {
        if (id == SERVER_DIALOG_ID) {
            if (SalesforceSDKManager.isTablet()) {
                urlEditDialog = new CustomServerUrlEditor(this, findViewById(
                        salesforceR.idAuthContainer()).getLayoutParams().width);
            } else {
                urlEditDialog = new CustomServerUrlEditor(this, 0);
            }
            urlEditDialog.setOnDismissListener(this);
            urlEditDialog.setOnCancelListener(this);
            return urlEditDialog;
        }
        return super.onCreateDialog(id);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        super.onCreateOptionsMenu(menu);
        getMenuInflater().inflate(salesforceR.menuClearCustomUrl(), menu);
        return true;
    }

    @Override
    public void onDismiss(DialogInterface dialog) {
      rebuildDisplay();
    }

    @Override
    public boolean onMenuItemSelected(int featureId, MenuItem item) {
        if(item.getItemId() == salesforceR.idMenuClearCustomUrl()) {
            clearCustomUrlSetting();
            return true;
        } else {
            return super.onMenuItemSelected(featureId, item);
        }
    }

    /**
     * Sets the return value of the activity. Selection is stored in the
     * shared prefs file, AuthActivity pulls from the file or a default value.
     *
     * @param v View.
     */
    public void setPositiveReturnValue(View v) {
        setResult(Activity.RESULT_OK, null);
        finish();
    }

    /**
     * Shows the custom URL dialog.
     *
     * @param v View.
     */
    public void showCustomUrlDialog(View v) {
        showDialog(SERVER_DIALOG_ID);
    }

  @Override
  public void onCancel(DialogInterface dialog) {
    rebuildDisplay();
  }

    /**
     * Sets the radio state.
     *
     * @param radioGroup RadioGroup instance.
     * @param server Login server.
     */
    private void setRadioState(RadioGroup radioGroup, LoginServer server) {
      final SalesforceServerRadioButton rb = new SalesforceServerRadioButton(this,
          server.name, server.url, server.isCustom);
      radioGroup.addView(rb);
    }

    /**
     * Controls the elements in the layout based on past user choices.
     */
    protected void setupRadioButtons() {
        final RadioGroup radioGroup = (RadioGroup) findViewById(getServerListGroupId());
        final List<LoginServer> servers = loginServerManager.getAllSavedSevers();
        if (servers != null) {
            for (final LoginServer currentServer : servers) {
                setRadioState(radioGroup, currentServer);
            }
        }
    }

    /**
     * Rebuilds the display.
     */
    private void rebuildDisplay() {
        final RadioGroup radioGroup = (RadioGroup) findViewById(getServerListGroupId());
        radioGroup.removeAllViews();
        setupRadioButtons();

      /*
       * Multiple users could have selected different custom endpoints, while
       * logging into different orgs, which makes it difficult for us to
       * choose which one to check by default. Hence, we check the first server
       * on the list (usually production) by default.
       */
      final SalesforceServerRadioButton rb = (SalesforceServerRadioButton) radioGroup.getChildAt(0);
      if (rb != null) {
        rb.setChecked(true);
      }
    }
}
Java Source Code List
