App Inventor Extensions: Account Manager

Account Manager/Pick Google Account Extension

See the App Inventor Extensions document about how to use an App Inventor Extension.

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AccountManager Extension

Oct 12th, 2015: Initial version

Aug 11th, 2016: Version 1a: avoid DX execution failed error: build each extension separately

Nov 18th, 2016: Version 2: AccountTypes, AccountNames, PickGoogleAccount methods added

Nov 28th, 2016: Version 2a: bugfix in case no Google account is available

Dec 5th, 2016: Version 3: removed the PickGoogleAccount method and created a new extension for that method

Dec 9th, 2016: Version 4: avatar added, name property now uses accountName parameter

Nov 16th, 2021: Version 5: SDK30 update

Description

This extension provides some information from the account manager.
Required permission: android.permission.GET_ACCOUNTS, android.permission.READ_CONTACTS

Note: It is recommended to use the Pick Google Account extension instead, because that extension does not need any permissions.

Methods

Return the Email of the user's Google Account.
In case there is no Google account available, empty string is provided.

Return the Name of the given account name (email address).
The name will be extracted from the contacts of the device. In case there is no name available, empty string is provided.
Thank you Mika for being the sponsor of this block.

Return the Avatar of the given account name (email address).
The avatar image will be extracted from the contacts of the device. In case there is no avatar available, empty string is provided. Thank you Mika for being the sponsor of this block.

Return a list of all registered account types.

Return a list of account names of a given account type.

Account Manager Test

Pick Google Account Extension

Note: Unfortunately this extension is not compatible with Kodular, see also here. Just use the built in Pick Google Account component there, which is based on my extension.

Dec 5th, 2016: Initial version

Description

Extension to pick a Google Account.
This extension uses the Google Play library. Required permission: none
Note: This is the recommended method to get information about the user, because it does not need any permissions.

Methods

Provide an account picker to pick a Google account.
Note: This method is available starting from API Level 14 (Android 4).

Events

Event raised after account has been picked.

Pick Google Account Test

Java source code

package com.puravidaapps;

import android.accounts.AccountManager;
import android.content.ActivityNotFoundException;
import android.content.Context;
import android.content.Intent;
import android.util.Log;

import com.google.android.gms.auth.GoogleAuthUtil;
import com.google.appinventor.components.annotations.DesignerComponent;
import com.google.appinventor.components.annotations.PropertyCategory;
import com.google.appinventor.components.annotations.SimpleEvent;
import com.google.appinventor.components.annotations.SimpleFunction;
import com.google.appinventor.components.annotations.SimpleObject;
import com.google.appinventor.components.annotations.SimpleProperty;
import com.google.appinventor.components.annotations.UsesLibraries;
import com.google.appinventor.components.annotations.UsesPermissions;
import com.google.appinventor.components.common.ComponentCategory;
import com.google.appinventor.components.runtime.ActivityResultListener;
import com.google.appinventor.components.runtime.AndroidNonvisibleComponent;
import com.google.appinventor.components.runtime.Component;
import com.google.appinventor.components.runtime.ComponentContainer;
import com.google.appinventor.components.runtime.EventDispatcher;
import com.google.appinventor.components.runtime.util.ErrorMessages;

@DesignerComponent(version = TaifunGoogleAccount.VERSION,
    description = "Extension to pick a Google Account. " +
        "Version 1 as of 2016-12-05 for App Inventor version nb153 and Companion version 2.39.",
    category = ComponentCategory.EXTENSION,
    nonVisible = true,
    iconName = "https://puravidaapps.com/images/taifun16.png")
@SimpleObject(external = true)
@UsesLibraries(libraries = "play-services-auth-9.6.1.jar, play-services-auth-base-9.6.1.jar")

public class TaifunGoogleAccount extends AndroidNonvisibleComponent implements Component, ActivityResultListener {

  public static final int VERSION = 1;
  private ComponentContainer container;
  private Context context;
  private static final String LOG_TAG = "TaifunGoogleAccount";
  private int requestCode = 0;
  private final int RESULT_OK = -1;


  public TaifunGoogleAccount(ComponentContainer container) {
    super(container.$form());
    this.container = container;
    context = (Context) container.$context();
    Log.d(LOG_TAG, "TaifunAM Created" );
  }


  // https://stackoverflow.com/a/19444640/1545993
  @SimpleFunction(description = "Provide an account picker to pick a Google account.")
  public void Pick() {
    Log.d(LOG_TAG, "Pick");
    if (android.os.Build.VERSION.SDK_INT < 14) {
      form.dispatchErrorOccurredEvent(this, "Pick",
          ErrorMessages.ERROR_FUNCTIONALITY_NOT_SUPPORTED_CONTACT_EMAIL);
    } else {
      if (requestCode == 0) {
        // First time, we need to register this as an ActivityResultListener with the Form.
        // The Form's onActivityResult method will be called when the activity returns. If we
        // register with the Form and then use the requestCode when we start an activity, the Form
        // will call our resultReturned method.
        requestCode = form.registerForActivityResult(this);
        Log.d(LOG_TAG, "Pick, requestCode: " + requestCode);
      }

      try {
        // https://stackoverflow.com/a/26665427/1545993
        // AccountManager.newChooseAccountIntent >= API 14
        Intent intent = AccountManager.newChooseAccountIntent(null, null,
            new String[] { GoogleAuthUtil.GOOGLE_ACCOUNT_TYPE }, false, null, null, null, null);
        container.$context().startActivityForResult(intent, requestCode);
      } catch (ActivityNotFoundException e) {
        form.dispatchErrorOccurredEvent(this, "Pick",
            ErrorMessages.ERROR_ACTIVITY_STARTER_NO_CORRESPONDING_ACTIVITY);
      }
    }
  }


  @SimpleEvent(description = "Event raised after account has been picked.")
  public void Picked(String accountName) {
    Log.i(LOG_TAG, "Picked: " + accountName);
    EventDispatcher.dispatchEvent(this, "Picked", accountName);
  }


  @Override
  public void resultReturned(int requestCode, int resultCode, Intent data) {
    Log.i(LOG_TAG, "resultReturned: " + resultCode);
    if (resultCode == RESULT_OK) {
      String accountName = data.getStringExtra(AccountManager.KEY_ACCOUNT_NAME);
      Picked(accountName);
    }
  }
}

For questions about App Inventor,
please ask in the App Inventor community.Thank you.

Terms and Conditions

Have fun and use this extension in your App Inventor projects! Pura Vida!
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
This is is the only authorized place to download this extension. It is not allowed to host this extension somewhere else and offer it for others to download, be it on another website or market place or similar. The reason is, everybody should be able to have the opportunity to donate something in case you like my work. You are allowed to provide a link to this site, so others can download the extension here. You will find the most up to date version always here including documentation and usage examples. Thank you for your kind understanding.

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Thank you! Taifun

Download TaifunAM extension (aix file)
Download Account Manager Test project (aia file)

Download TaifunGoogleAccount extension (aix file)
Download Pick Google Account Test project (aia file)

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This work by Pura Vida Apps is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License
with attribution (name=Pura Vida Apps and link to the source site) required.

App Inventor Extensions

Account Manager/Pick Google Account Extension

AccountManager Extension

Description

Note: It is recommended to use the Pick Google Account extension instead, because that extension does not need any permissions.

Methods

Account Manager Test

Pick Google Account Extension

Note: Unfortunately this extension is not compatible with Kodular, see also here. Just use the built in Pick Google Account component there, which is based on my extension.

Description

Methods

Events

Pick Google Account Test

Java source code

For questions about App Inventor,please ask in the App Inventor community.Thank you.

Terms and Conditions

Download

For questions about App Inventor,
please ask in the App Inventor community.Thank you.