/android/export-contacts

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bzr branch http://bzr.ed.am/android/export-contacts
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/*
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 * ConfigureVCF.java
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 *
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 * Copyright (C) 2010 Tim Marston <tim@ed.am>
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 *
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 * This file is part of the Export Contacts program (hereafter referred
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 * to as "this program"). For more information, see
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 * http://ed.am/dev/android/export-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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12 by edam
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package am.ed.exportcontacts;
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import java.io.IOException;
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import android.app.AlertDialog;
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import android.app.Dialog;
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import android.content.DialogInterface;
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import android.content.SharedPreferences;
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import android.os.Bundle;
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import android.os.Environment;
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import android.view.View;
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import android.widget.Button;
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import android.widget.EditText;
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public class ConfigureVCF extends WizardActivity
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{
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	public final static int DIALOG_FILECHOOSER = 1;
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	public final static int DIALOG_NOSDCARD = 2;
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	private FileChooser _file_chooser = null;
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	// the save path
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	private String _path;
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	@Override
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	protected void onCreate( Bundle savedInstanceState )
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	{
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		setContentView( R.layout.configure_vcf );
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		super.onCreate( savedInstanceState );
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		setNextActivity( Doit.class );
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		// get sdcard prefix
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		String sdcard_prefix = getSdCardPathPrefix();
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		if( sdcard_prefix == null )
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			showDialog( DIALOG_NOSDCARD );
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		// create file chooser
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		_file_chooser = new FileChooser( this );
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		_file_chooser.setMode( FileChooser.MODE_DIR );
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//		String[] extensions = { "vcf" };
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//		_file_chooser.setExtensions( extensions );
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		_file_chooser.setDismissListener(
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			new DialogInterface.OnDismissListener() {
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				public void onDismiss( DialogInterface dialog )
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				{
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					if( _file_chooser.getOk() ) {
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						_path = _file_chooser.getPath();
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						updatePathButton();
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					}
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				}
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			} );
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		_file_chooser.setPathPrefix( "/sdcard" );
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		Button path_button = (Button)findViewById( R.id.path );
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		path_button.setOnClickListener( new View.OnClickListener() {
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			public void onClick( View view ) {
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				onBrowse();
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			}
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		} );
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	}
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	@Override
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	protected void onPause() {
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		super.onPause();
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		SharedPreferences.Editor editor = getSharedPreferences().edit();
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		// path and filename
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		editor.putString(  "path", _path );
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		EditText filename = (EditText)findViewById( R.id.filename );
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		editor.putString( "filename", filename.getText().toString() );
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		editor.commit();
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	}
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	@Override
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	protected void onResume() {
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		super.onResume();
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		SharedPreferences prefs = getSharedPreferences();
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/*		// default filename
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		Calendar now = Calendar.getInstance();
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		NumberFormat formatter = new DecimalFormat( "00" );
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		String date = now.get( Calendar.YEAR ) + "-" +
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			formatter.format( now.get( Calendar.MONTH ) ) + "-" +
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			formatter.format( now.get( Calendar.DAY_OF_MONTH ) );
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*/
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		// path and filename
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		_path = prefs.getString( "path", "/" );
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		updatePathButton();
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		EditText filename = (EditText)findViewById( R.id.filename );
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		filename.setText( prefs.getString( "filename",
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			"android-contacts.vcf" ) );
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	}
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	static protected String getSdCardPathPrefix()
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	{
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		// check sdcard status
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		String state = Environment.getExternalStorageState();
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		if( !Environment.MEDIA_MOUNTED.equals( state ) &&
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			!Environment.MEDIA_MOUNTED_READ_ONLY.equals( state ) )
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		{
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			// no sdcard mounted
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			return null;
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		}
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		// get sdcard path
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		String sdcard_path;
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		try {
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			sdcard_path = Environment.getExternalStorageDirectory()
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				.getCanonicalPath();
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			if( sdcard_path.charAt( sdcard_path.length() - 1 ) == '/' )
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				sdcard_path =
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					sdcard_path.substring( 0, sdcard_path.length() - 1 );
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		}
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		catch( IOException e ) {
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			sdcard_path = null;
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		}
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		return sdcard_path;
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	}
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	protected void updatePathButton()
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	{
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		Button path_button = (Button)findViewById( R.id.path );
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		path_button.setText(
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			_file_chooser.prettyPrint( "/sdcard" + _path, true ) );
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	}
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	protected void onBrowse()
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	{
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		// get path
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		Button path_button = (Button)findViewById( R.id.path );
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		// set a path for this incantation
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		_file_chooser.setPath( path_button.getText().toString() );
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		showDialog( DIALOG_FILECHOOSER );
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	}
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	@Override
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	protected Dialog onCreateDialog( int id )
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	{
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		Dialog ret = null;
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		switch( id )
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		{
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		case DIALOG_FILECHOOSER:
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			ret = _file_chooser.onCreateDialog();
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			break;
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		case DIALOG_NOSDCARD:
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			ret = new AlertDialog.Builder( this )
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			.setIcon( R.drawable.alert_dialog_icon )
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			.setTitle( R.string.error_title )
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			.setMessage( R.string.error_nosdcard )
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			.setPositiveButton( R.string.error_ok,
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				new DialogInterface.OnClickListener() {
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					public void onClick(DialogInterface dialog,
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						int whichButton)
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					{
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						// close the whole app!
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						setResult( RESULT_OK );
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						finish();
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					}
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				} )
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			.create();
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			break;
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		}
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		return ret;
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	}
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	@Override
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	protected void onPrepareDialog( int id, Dialog dialog )
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	{
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		switch( id )
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		{
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		case DIALOG_FILECHOOSER:
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			_file_chooser.onPrepareDialog( this, dialog );
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			break;
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		}
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		super.onPrepareDialog( id, dialog );
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	}
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}