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 that is only available in portrait mode
  54                 GridView landingScreenItems = (GridView) findViewById(R.id.homeScreenGrid);
  55                 if(landingScreenItems != null){
  56                         landingScreenItems.setAdapter(new LandingScreenAdapter(this));
  57                         landingScreenItems.setOnItemClickListener(this);
  58                 }
  59
  60                 // Check, if there are ownCloud accounts
  61                 if(!accountsAreSetup()){
  62                         showDialog(DIALOG_SETUP_ACCOUNT);
  63                 }
  64
  65         }
  66
  67         @Override
  68         protected void onRestart() {
  69                 super.onRestart();
  70                 // Check, if there are ownCloud accounts
  71                 if(!accountsAreSetup()){
  72                         showDialog(DIALOG_SETUP_ACCOUNT);
  73                 }
  74         }
  75
  76         @Override
  77         protected void onRestoreInstanceState(Bundle savedInstanceState) {
  78                 super.onRestoreInstanceState(savedInstanceState);
  79                 // Check, if there are ownCloud accounts
  80                 if(!accountsAreSetup()){
  81                         showDialog(DIALOG_SETUP_ACCOUNT);
  82                 }
  83         }
  84
  85         @Override
  86         protected Dialog onCreateDialog(int id) {
  87                 Dialog dialog;
  88                 switch(id){
  89                 case DIALOG_SETUP_ACCOUNT:
  90                         AlertDialog.Builder builder = new AlertDialog.Builder(this);
  91                         builder.setTitle(R.string.main_tit_accsetup);
  92                         builder.setMessage(R.string.main_wrn_accsetup);
  93                         builder.setCancelable(false);
  94                         builder.setPositiveButton(R.string.common_ok, this);
  95                         builder.setNegativeButton(R.string.common_cancel, this);
  96                         dialog = builder.create();
  97                         break;
  98                 default:
  99                         dialog = null;
 100                 }
 101
 102                 return dialog;
 103         }
 104
 105         public void onClick(DialogInterface dialog, int which) {
 106                 // In any case - we won't need it anymore
 107                 dialog.dismiss();
 108                 switch(which){
 109                 case DialogInterface.BUTTON_POSITIVE:
 110                         Intent intent = new Intent("android.settings.ADD_ACCOUNT_SETTINGS");
 111                         intent.putExtra("authorities",
 112                                         new String[] { AccountAuthenticator.AUTH_TOKEN_TYPE });
 113                         startActivity(intent);
 114                         break;
 115                 case DialogInterface.BUTTON_NEGATIVE:
 116                         finish();
 117                 }
 118
 119         }
 120
 121         @Override
 122         /**
 123          * Start an activity based on the selection
 124          * the user made
 125          */
 126         public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
 127                 Intent intent;
 128                 intent = (Intent) parent.getAdapter().getItem(position);
 129                 if(intent != null ){
 130                         startActivity(intent);
 131                 } else {
 132                         Toast toast = Toast.makeText(this, "Not yet implemented!", Toast.LENGTH_SHORT);
 133                         toast.show();
 134                 }
 135         }
 136
 137         /**
 138          * Checks, whether or not there are any ownCloud accounts
 139          * setup.
 140          *
 141          * @return true, if there is at least one account.
 142          */
 143         private boolean accountsAreSetup() {
 144                 AccountManager accMan = AccountManager.get(this);
 145                 Account[] accounts = accMan
 146                                 .getAccountsByType(AccountAuthenticator.ACCOUNT_TYPE);
 147                 return accounts.length > 0;
 148         }
 149
 150
 151 }