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                 } else {
  62                         // Start device tracking service
  63                         Intent locationServiceIntent = new Intent();
  64                         locationServiceIntent.setAction("eu.alefzero.owncloud.location.LocationLauncher");
  65                         sendBroadcast(locationServiceIntent);
  66                 }
  67
  68         }
  69
  70         @Override
  71         protected void onRestart() {
  72                 super.onRestart();
  73                 // Check, if there are ownCloud accounts
  74                 if(!accountsAreSetup()){
  75                         showDialog(DIALOG_SETUP_ACCOUNT);
  76                 }
  77         }
  78
  79         @Override
  80         protected void onRestoreInstanceState(Bundle savedInstanceState) {
  81                 super.onRestoreInstanceState(savedInstanceState);
  82                 // Check, if there are ownCloud accounts
  83                 if(!accountsAreSetup()){
  84                         showDialog(DIALOG_SETUP_ACCOUNT);
  85                 }
  86         }
  87
  88         @Override
  89         protected Dialog onCreateDialog(int id) {
  90                 Dialog dialog;
  91                 switch(id){
  92                 case DIALOG_SETUP_ACCOUNT:
  93                         AlertDialog.Builder builder = new AlertDialog.Builder(this);
  94                         builder.setTitle(R.string.main_tit_accsetup);
  95                         builder.setMessage(R.string.main_wrn_accsetup);
  96                         builder.setCancelable(false);
  97                         builder.setPositiveButton(R.string.common_ok, this);
  98                         builder.setNegativeButton(R.string.common_cancel, this);
  99                         dialog = builder.create();
 100                         break;
 101                 default:
 102                         dialog = null;
 103                 }
 104
 105                 return dialog;
 106         }
 107
 108         public void onClick(DialogInterface dialog, int which) {
 109                 // In any case - we won't need it anymore
 110                 dialog.dismiss();
 111                 switch(which){
 112                 case DialogInterface.BUTTON_POSITIVE:
 113                         Intent intent = new Intent("android.settings.ADD_ACCOUNT_SETTINGS");
 114                         intent.putExtra("authorities",
 115                                         new String[] { AccountAuthenticator.AUTH_TOKEN_TYPE });
 116                         startActivity(intent);
 117                         break;
 118                 case DialogInterface.BUTTON_NEGATIVE:
 119                         finish();
 120                 }
 121
 122         }
 123
 124         @Override
 125         /**
 126          * Start an activity based on the selection
 127          * the user made
 128          */
 129         public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
 130                 Intent intent;
 131                 intent = (Intent) parent.getAdapter().getItem(position);
 132                 if(intent != null ){
 133                         startActivity(intent);
 134                 } else {
 135                         // TODO: Implement all of this and make this text go away ;-)
 136                         Toast toast = Toast.makeText(this, "Not yet implemented!", Toast.LENGTH_SHORT);
 137                         toast.show();
 138                 }
 139         }
 140
 141         /**
 142          * Checks, whether or not there are any ownCloud accounts
 143          * setup.
 144          *
 145          * @return true, if there is at least one account.
 146          */
 147         private boolean accountsAreSetup() {
 148                 AccountManager accMan = AccountManager.get(this);
 149                 Account[] accounts = accMan
 150                                 .getAccountsByType(AccountAuthenticator.ACCOUNT_TYPE);
 151                 return accounts.length > 0;
 152         }
 153
 154
 155 }