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Viewing changes to src/org/waxworlds/importcontacts/ImportContacts.java

  • Committer: edam
  • Date: 2009-10-03 16:58:29 UTC
  • Revision ID: edam@waxworlds.org-20091003165829-vxhwdodf3400ugs3
Tags: 0.9
- converted project to use Android 1.5 SDK
- cleaned-up some whitespace/newlines in source

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src/org/waxworlds/importcontacts/ImportContacts.java
 
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/*
 
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 * ImportContacts.java
 
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 *
 
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 * Copyright (C) 2009 Tim Marston <edam@waxworlds.org>
 
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 *
 
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 * This file is part of the Import Contacts program (hereafter referred
 
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 * to as "this program"). For more information, see
 
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 * http://www.waxworlds.org/edam/software/android/import-contacts
 
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 *
 
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 * This program is free software: you can redistribute it and/or modify
 
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 * it under the terms of the GNU General Public License as published by
 
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 * the Free Software Foundation, either version 3 of the License, or
 
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 * (at your option) any later version.
 
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 *
 
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 * This program is distributed in the hope that it will be useful,
 
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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 * GNU General Public License for more details.
 
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 *
 
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 * You should have received a copy of the GNU General Public License
 
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 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
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 */
 
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package org.waxworlds.importcontacts;
 
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import java.util.Stack;
 
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import android.app.Activity;
 
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import android.content.Intent;
 
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import android.os.Bundle;
 
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public class ImportContacts extends Activity
 
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{
 
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        public static final int STATE_NONE = 0;
 
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        public static final int STATE_INTRO = 1;
 
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        public static final int STATE_CONFIGURE_VCF = 3;
 
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        public static final int STATE_MERGE = 4;
 
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        public static final int STATE_DOIT = 5;
 
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        private Stack< Integer > _stateStack;
 
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        /** Called when the activity is first created. */
 
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        @Override
 
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        public void onCreate( Bundle savedInstanceState )
 
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        {
 
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                super.onCreate(savedInstanceState);
 
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                _stateStack = new Stack< Integer >();
 
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                if( savedInstanceState == null )
 
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                {
 
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                        startState( STATE_INTRO );
 
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                }
 
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                else
 
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                {
 
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                        int[] stack = savedInstanceState.getIntArray( "_stateStack" );
 
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                        for( int n = 0; n < stack.length; n++ )
 
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                                _stateStack.push( stack[ n ] );
 
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                        int lastState = _stateStack.pop();
 
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                        startState( lastState );
 
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                }
 
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        }
 
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        @Override
 
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        protected void onSaveInstanceState(Bundle outState) {
 
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                super.onSaveInstanceState(outState);
 
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                int[] stack = new int[ _stateStack.size() ];
 
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                for( int n = 0; n < _stateStack.size(); n++ )
 
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                        stack[ n ] = _stateStack.elementAt( n );
 
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                outState.putIntArray( "_stateStack", stack );
 
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        }
 
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        @Override
 
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        protected void onActivityResult(int requestCode, int resultCode, Intent data)
 
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        {
 
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                super.onActivityResult(requestCode, resultCode, data);
 
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                // quit?
 
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                if( resultCode == RESULT_CANCELED ) {
 
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                        finish();
 
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                }
 
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                else {
 
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                        int newState = STATE_NONE;
 
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                        if( data != null ) {
 
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                                Bundle extras = data.getExtras();
 
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                                if( extras != null ) {
 
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                                        Integer tmp = extras.getInt( "nextstate" );
 
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                                        if( tmp != null ) {
 
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                                                newState = tmp.intValue();
 
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                                        }
 
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                                }
 
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                        }
 
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                        startState( newState );
 
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                }
 
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        }
 
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        private void startState( int newState )
 
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        {
 
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                if( newState == STATE_NONE )
 
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                {
 
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                        // we're going back, so pop top state off stack
 
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                        _stateStack.pop();
 
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                        newState = ( (Integer)_stateStack.peek() ).intValue();
 
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                }
 
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                else
 
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                {
 
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                        // push new state on state
 
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                        _stateStack.push( new Integer( newState ) );
 
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                }
 
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                // figure out the class
 
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                Class cls = null;
 
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                switch( newState ) {
 
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                case STATE_INTRO: cls = Intro.class; break;
 
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                case STATE_CONFIGURE_VCF: cls = ConfigureVCF.class; break;
 
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                case STATE_MERGE: cls = Merge.class; break;
 
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                case STATE_DOIT: cls = Doit.class; break;
 
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                }
 
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                // start activity
 
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                Intent i = new Intent( this, cls );
 
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                if( _stateStack.size() > 1 ) i.putExtra( "backstate", true );
 
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                startActivityForResult( i, 0 );
 
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        }
 
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}