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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011 Bartek Przybylski
   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.activity;
  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.DialogInterface.OnClickListener;
  26 import android.content.Intent;
  27 import android.os.Bundle;
  28 import android.support.v4.app.FragmentActivity;
  29 import android.view.View;
  30 import android.widget.AdapterView;
  31 import android.widget.AdapterView.OnItemClickListener;
  32 import android.widget.GridView;
  33 import android.widget.Toast;
  34 import eu.alefzero.owncloud.R;
  35 import eu.alefzero.owncloud.authenticator.AccountAuthenticator;
  36 import eu.alefzero.owncloud.ui.adapter.LandingScreenAdapter;
  37
  38 /**
  39  * This activity is used as a landing page when the user first opens this app.
  40  * @author Lennart Rosam
  41  *
  42  */
  43 public class LandingActivity extends FragmentActivity implements OnClickListener, OnItemClickListener {
  44
  45         public static final int DIALOG_SETUP_ACCOUNT = 1;
  46
  47         @Override
  48         protected void onCreate(Bundle savedInstanceState) {
  49                 super.onCreate(savedInstanceState);
  50                 setContentView(R.layout.main);
  51
  52                 // Fill the grid view that is only available in portrait mode
  53                 GridView landingScreenItems = (GridView) findViewById(R.id.homeScreenGrid);
  54                 if(landingScreenItems != null){
  55                         landingScreenItems.setAdapter(new LandingScreenAdapter(this));
  56                         landingScreenItems.setOnItemClickListener(this);
  57                 }
  58
  59                 // Check, if there are ownCloud accounts
  60                 if(!accountsAreSetup()){
  61                         showDialog(DIALOG_SETUP_ACCOUNT);
  62                 }
  63
  64         }
  65
  66         @Override
  67         protected Dialog onCreateDialog(int id) {
  68                 Dialog dialog;
  69                 switch(id){
  70                 case DIALOG_SETUP_ACCOUNT:
  71                         AlertDialog.Builder builder = new AlertDialog.Builder(this);
  72                         builder.setTitle(R.string.main_tit_accsetup);
  73                         builder.setMessage(R.string.main_wrn_accsetup);
  74                         builder.setCancelable(false);
  75                         builder.setPositiveButton(R.string.common_ok, this);
  76                         builder.setNegativeButton(R.string.common_cancel, this);
  77                         dialog = builder.create();
  78                         break;
  79                 default:
  80                         dialog = null;
  81                 }
  82
  83                 return dialog;
  84         }
  85
  86         public void onClick(DialogInterface dialog, int which) {
  87                 // In any case - we won't need it anymore
  88                 dialog.dismiss();
  89                 switch(which){
  90                 case DialogInterface.BUTTON_POSITIVE:
  91                         Intent intent = new Intent("android.settings.ADD_ACCOUNT_SETTINGS");
  92                         intent.putExtra("authorities",
  93                                         new String[] { AccountAuthenticator.AUTH_TOKEN_TYPE });
  94                         startActivity(intent);
  95                         break;
  96                 case DialogInterface.BUTTON_NEGATIVE:
  97                         finish();
  98                 }
  99
 100         }
 101
 102         @Override
 103         /**
 104          * Start an activity based on the selection
 105          * the user made
 106          */
 107         public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
 108                 Intent intent;
 109                 intent = (Intent) parent.getAdapter().getItem(position);
 110                 if(intent != null ){
 111                         startActivity(intent);
 112                 } else {
 113                         Toast toast = Toast.makeText(this, "Not yet implemented!", Toast.LENGTH_SHORT);
 114                         toast.show();
 115                 }
 116         }
 117
 118         /**
 119          * Checks, whether or not there are any ownCloud accounts
 120          * setup.
 121          *
 122          * @return true, if there is at least one account.
 123          */
 124         private boolean accountsAreSetup() {
 125                 AccountManager accMan = AccountManager.get(this);
 126                 Account[] accounts = accMan
 127                                 .getAccountsByType(AccountAuthenticator.ACCOUNT_TYPE);
 128                 return accounts.length > 0;
 129         }
 130
 131
 132 }