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 com.actionbarsherlock.app.SherlockFragmentActivity;
  21
  22 import android.accounts.Account;
  23 import android.accounts.AccountManager;
  24 import android.app.AlertDialog;
  25 import android.app.Dialog;
  26 import android.content.DialogInterface;
  27 import android.content.DialogInterface.OnClickListener;
  28 import android.content.Intent;
  29 import android.os.Bundle;
  30 import android.view.View;
  31 import android.widget.AdapterView;
  32 import android.widget.AdapterView.OnItemClickListener;
  33 import android.widget.GridView;
  34 import android.widget.Toast;
  35 import eu.alefzero.owncloud.R;
  36 import eu.alefzero.owncloud.authenticator.AccountAuthenticator;
  37 import eu.alefzero.owncloud.ui.adapter.LandingScreenAdapter;
  38
  39 /**
  40  * This activity is used as a landing page when the user first opens this app.
  41  * @author Lennart Rosam
  42  *
  43  */
  44 public class LandingActivity extends SherlockFragmentActivity implements OnClickListener, OnItemClickListener {
  45
  46         public static final int DIALOG_SETUP_ACCOUNT = 1;
  47
  48         @Override
  49         protected void onCreate(Bundle savedInstanceState) {
  50                 super.onCreate(savedInstanceState);
  51                 setContentView(R.layout.main);
  52
  53                 // Fill the grid view of the landing screen with icons
  54                 GridView landingScreenItems = (GridView) findViewById(R.id.homeScreenGrid);
  55                 landingScreenItems.setAdapter(new LandingScreenAdapter(this));
  56                 landingScreenItems.setOnItemClickListener(this);
  57
  58                 // Check, if there are ownCloud accounts
  59                 if(!accountsAreSetup()){
  60                         showDialog(DIALOG_SETUP_ACCOUNT);
  61                 }
  62
  63         }
  64
  65         @Override
  66         protected void onRestart() {
  67                 super.onRestart();
  68                 // Check, if there are ownCloud accounts
  69                 if(!accountsAreSetup()){
  70                         showDialog(DIALOG_SETUP_ACCOUNT);
  71                 }
  72         }
  73
  74         @Override
  75         protected void onRestoreInstanceState(Bundle savedInstanceState) {
  76                 super.onRestoreInstanceState(savedInstanceState);
  77                 // Check, if there are ownCloud accounts
  78                 if(!accountsAreSetup()){
  79                         showDialog(DIALOG_SETUP_ACCOUNT);
  80                 }
  81         }
  82
  83         @Override
  84         protected Dialog onCreateDialog(int id) {
  85                 Dialog dialog;
  86                 switch(id){
  87                 case DIALOG_SETUP_ACCOUNT:
  88                         AlertDialog.Builder builder = new AlertDialog.Builder(this);
  89                         builder.setTitle(R.string.main_tit_accsetup);
  90                         builder.setMessage(R.string.main_wrn_accsetup);
  91                         builder.setCancelable(false);
  92                         builder.setPositiveButton(R.string.common_ok, this);
  93                         builder.setNegativeButton(R.string.common_cancel, this);
  94                         dialog = builder.create();
  95                         break;
  96                 default:
  97                         dialog = null;
  98                 }
  99
 100                 return dialog;
 101         }
 102
 103         public void onClick(DialogInterface dialog, int which) {
 104                 // In any case - we won't need it anymore
 105                 dialog.dismiss();
 106                 switch(which){
 107                 case DialogInterface.BUTTON_POSITIVE:
 108                         Intent intent = new Intent("android.settings.ADD_ACCOUNT_SETTINGS");
 109                         intent.putExtra("authorities",
 110                                         new String[] { AccountAuthenticator.AUTH_TOKEN_TYPE });
 111                         startActivity(intent);
 112                         break;
 113                 case DialogInterface.BUTTON_NEGATIVE:
 114                         finish();
 115                 }
 116
 117         }
 118
 119         @Override
 120         /**
 121          * Start an activity based on the selection
 122          * the user made
 123          */
 124         public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
 125                 Intent intent;
 126                 intent = (Intent) parent.getAdapter().getItem(position);
 127                 if(intent != null ){
 128                         startActivity(intent);
 129                 } else {
 130                         // TODO: Implement all of this and make this text go away ;-)
 131                         Toast toast = Toast.makeText(this, "Not yet implemented!", Toast.LENGTH_SHORT);
 132                         toast.show();
 133                 }
 134         }
 135
 136         /**
 137          * Checks, whether or not there are any ownCloud accounts
 138          * setup.
 139          *
 140          * @return true, if there is at least one account.
 141          */
 142         private boolean accountsAreSetup() {
 143                 AccountManager accMan = AccountManager.get(this);
 144                 Account[] accounts = accMan
 145                                 .getAccountsByType(AccountAuthenticator.ACCOUNT_TYPE);
 146                 return accounts.length > 0;
 147         }
 148
 149
 150 }