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

  • Committer: Tim Marston
  • Date: 2013-12-08 18:43:52 UTC
  • Revision ID: tim@ed.am-20131208184352-0giww6zoy58bx07h
close some streams properly

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src/org/waxworlds/importcontacts/ImportContacts.java
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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_IMPORT_VCF = 1;
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        public static final int STATE_MERGE = 2;
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        public static final int STATE_DOIT = 3;
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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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                startState( STATE_IMPORT_VCF );
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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_IMPORT_VCF: cls = ImportVCF.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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}
 
 
'\\ No newline at end of file'