src/eu/alefzero/owncloud/ui/LandingActivity.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2012  Lennart Rosam
   3  *
   4  *   This program is free software: you can redistribute it and/or modify
   5  *   it under the terms of the GNU General Public License as published by
   6  *   the Free Software Foundation, either version 3 of the License, or
   7  *   (at your option) any later version.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18 package eu.alefzero.owncloud.ui;
  19
  20 import android.accounts.Account;
  21 import android.accounts.AccountManager;
  22 import android.app.AlertDialog;
  23 import android.app.Dialog;
  24 import android.content.DialogInterface;
  25 import android.content.Intent;
  26 import android.content.DialogInterface.OnClickListener;
  27 import android.os.Bundle;
  28 import android.support.v4.app.FragmentActivity;
  29 import eu.alefzero.owncloud.R;
  30 import eu.alefzero.owncloud.authenticator.AccountAuthenticator;
  31
  32 /**
  33  * This activity is used as a landing page when the user first opens this app.
  34  *
  35  * @author Lennart Rosam
  36  */
  37 public class LandingActivity extends FragmentActivity implements OnClickListener {
  38
  39         public static final int DIALOG_SETUP_ACCOUNT = 1;
  40
  41         @Override
  42         protected void onCreate(Bundle savedInstanceState) {
  43                 super.onCreate(savedInstanceState);
  44                 setContentView(R.layout.landing_page);
  45
  46                 // Check, if there are ownCloud accounts
  47                 if(!accountsAreSetup()){
  48                         showDialog(DIALOG_SETUP_ACCOUNT);
  49                 }
  50
  51         }
  52
  53         @Override
  54         protected Dialog onCreateDialog(int id) {
  55                 Dialog dialog;
  56                 switch(id){
  57                 case DIALOG_SETUP_ACCOUNT:
  58                         AlertDialog.Builder builder = new AlertDialog.Builder(this);
  59                         builder.setTitle(R.string.main_tit_accsetup);
  60                         builder.setMessage(R.string.main_wrn_accsetup);
  61                         builder.setCancelable(false);
  62                         builder.setPositiveButton(R.string.common_ok, this);
  63                         builder.setNegativeButton(R.string.common_cancel, this);
  64                         dialog = builder.create();
  65                         break;
  66                 default:
  67                         dialog = null;
  68                 }
  69
  70                 return dialog;
  71         }
  72
  73         @Override
  74         public void onClick(DialogInterface dialog, int which) {
  75                 // In any case - we won't need it anymore
  76                 dialog.dismiss();
  77                 switch(which){
  78                 case DialogInterface.BUTTON_POSITIVE:
  79                         Intent intent = new Intent("android.settings.ADD_ACCOUNT_SETTINGS");
  80                         intent.putExtra("authorities",
  81                                         new String[] { AccountAuthenticator.AUTH_TOKEN_TYPE });
  82                         startActivity(intent);
  83                         break;
  84                 case DialogInterface.BUTTON_NEGATIVE:
  85                         finish();
  86                 }
  87
  88         }
  89
  90         /**
  91          * Checks, whether or not there are any ownCloud accounts
  92          * setup.
  93          *
  94          * @return true, if there is at least one account.
  95          */
  96         private boolean accountsAreSetup() {
  97                 AccountManager accMan = AccountManager.get(this);
  98                 Account[] accounts = accMan
  99                                 .getAccountsByType(AccountAuthenticator.ACCOUNT_TYPE);
 100                 return accounts.length > 0;
 101         }
 102
 103
 104 }