MainActivity.java

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package com.rocon.nfc;

import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.content.SharedPreferences;
import android.view.Menu;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;

public class MainActivity extends Activity {

        private static final String PREFS_KEY_TABLE = "TABLE_KEY";
        private static final String PREFS_KEY_SSID = "SSID_KEY";
        private static final String PREFS_KEY_PW = "PW_KEY";
        private static final String PREFS_KEY_URI = "URI_KEY";
        private static final String PREFS_KEY_WEB = "WEB_KEY";
        
        String table = "";
        String ssid = "";
        String password = "";
        String masteruri = "";
        String weblink = "";
        
        EditText editTable = null ;
        EditText editSsid = null ;
        EditText editPassword = null ;
        EditText editMasterUri = null ;
        EditText editWebLink = null ;
        Button btnWrite = null ;
        TextView txtText = null ;
        
        RoconNfcManager mNfcManager = null ;
        
        @Override
        protected void onCreate(Bundle savedInstanceState) {
                super.onCreate(savedInstanceState);
                setContentView(R.layout.activity_main);
                
                editTable = (EditText) findViewById(R.id.table);
            editSsid = (EditText) findViewById(R.id.ssid);
            editPassword = (EditText) findViewById(R.id.pasword);
            editMasterUri = (EditText) findViewById(R.id.master_uri);
            editWebLink = (EditText) findViewById(R.id.web_link);
            btnWrite = (Button) findViewById(R.id.nfc_write);
            txtText = (TextView) findViewById(R.id.text);
            
            table = getPreferences(MODE_PRIVATE).getString(PREFS_KEY_TABLE, editTable.getText().toString());
            ssid = getPreferences(MODE_PRIVATE).getString(PREFS_KEY_SSID, editSsid.getText().toString());
            password = getPreferences(MODE_PRIVATE).getString(PREFS_KEY_PW, editPassword.getText().toString());
            masteruri = getPreferences(MODE_PRIVATE).getString(PREFS_KEY_URI, editMasterUri.getText().toString());
            weblink = getPreferences(MODE_PRIVATE).getString(PREFS_KEY_WEB, editWebLink.getText().toString());
            
            editTable.setText(table);
            editSsid.setText(ssid);
            editPassword.setText(password);
            editMasterUri.setText(masteruri);
            editWebLink.setText(weblink);
            
            mNfcManager = new RoconNfcManager(this);
        }

        @Override
        public boolean onCreateOptionsMenu(Menu menu) {
                // Inflate the menu; this adds items to the action bar if it is present.
                getMenuInflater().inflate(R.menu.main, menu);
                return true;
        }
        
        @Override
        protected void onPause() {
                // TODO Auto-generated method stub
                super.onPause();
        
        if(mNfcManager != null)
                mNfcManager.disableForegroundDispatch() ;
        }
        
        @Override
        protected void onResume() {
                // TODO Auto-generated method stub
                super.onResume();
        
        if(mNfcManager != null)
                mNfcManager.enableForegroundDispatch() ;
        }
        
        @Override
        protected void onNewIntent(Intent intent) {
                // TODO Auto-generated method stub
                super.onNewIntent(intent);
                
                if(mNfcManager != null) {
                        if(mNfcManager.onNewIntent(intent)) {
                                txtText.setText("You can write Nfc tag");
                                btnWrite.setEnabled(true);
                        }
                }
        }
        
        public void onClick(View v) {
                
                switch(v.getId()){
                        case R.id.nfc_write :
                                table = editTable.getText().toString();
                                ssid = editSsid.getText().toString();
                                password = editPassword.getText().toString();
                                masteruri = editMasterUri.getText().toString();
                                weblink = editWebLink.getText().toString();
                                
                                String payload = "ta:" + table + ";;" + "ss:" + ssid + ";;" + "pw:" + password + ";;" + "mu:" + masteruri + ";;" + "wl:" + weblink ;
                                                                
                                boolean success = mNfcManager.writeMimeNdefMessage(payload, true);
                                
                                if(success)
                                        txtText.setText("Success to write NFC Tag!");
                                else
                                        txtText.setText("Fail to write NFC Tag!");
                                
                                SharedPreferences.Editor editor = getPreferences(MODE_PRIVATE).edit();
                            editor.putString(PREFS_KEY_TABLE, table);
                            editor.putString(PREFS_KEY_SSID, ssid);
                            editor.putString(PREFS_KEY_PW, password);
                            editor.putString(PREFS_KEY_URI, masteruri);
                            editor.putString(PREFS_KEY_WEB, weblink);
                            editor.commit();
                }
        }

}