Android Open Source - sodf Microwave Activity

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License

The source code is released under:

Copyright (c) 2013 Lorenz Lehmann Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Sof...

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Java Source Code

package lal.apps.smartfoodenvironment.activities;
/*from ww w.jav  a  2s  . c  o  m*/
import lal.apps.smartfoodenvironment.R;
import lal.apps.smartfoodenvironment.model.MicrowaveVocabulary;
import lal.sodf.framework.SodfCallback;
import lal.sodf.framework.SodfFramework;
import lal.sodf.framework.SodfWrapper;
import lal.sodf.framework.ontology.KeyNode;
import lal.sodf.framework.ontology.SodfVocabulary;
import android.app.Activity;
import android.app.PendingIntent;
import android.content.Intent;
import android.nfc.NfcAdapter;
import android.nfc.Tag;
import android.os.Bundle;
import android.os.Handler;
import android.util.Log;
import android.view.Menu;
import android.widget.TextView;
import android.widget.Toast;

public class MicrowaveActivity extends Activity implements SodfCallback{
  
  private Handler handler;
  private PendingIntent pendingIntent;
  private TextView time;
  private TextView heat;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_microwave);
    handler = new Handler();
    pendingIntent = PendingIntent.getActivity(this, 0, new Intent(this, getClass()).addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP), 0);
    time = (TextView) findViewById(R.id.microwave_time);
    heat = (TextView) findViewById(R.id.microwave_temp);
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.activity_start, menu);
    return true;
  }

  /* (non-Javadoc)
   * @see lal.sodf.framework.SodfCallback#readComplete(lal.sodf.framework.SodfWrapper)
   */
  @Override
  public void readComplete(final SodfWrapper data) {
    handler.post(new Runnable(){
      @Override
      public void run() {
        //check if there was an error
        if (data.exception != null){
          Log.e("SFE", "Error on read: "+data.exception);
          return;
        }
        //check if the microwave function is there
        KeyNode microwaveFunction = data.data.getFunctionsSubtree().getKeyNodeChild(MicrowaveVocabulary.MICROWVAE_PREPARE);
        if (microwaveFunction == null){
          Toast toast = Toast.makeText(getBaseContext(), "This item cannot be prepared in a microwave", Toast.LENGTH_LONG);
          toast.show();
          time.setText(R.string.microwave_timeDefault);
          heat.setText(R.string.microwave_tempDefault);
          return;
        }
        //get the interactions for the function values
        KeyNode interactions = microwaveFunction.getKeyNodeChild(SodfVocabulary.SODF_INTERACTION);
        time.setText(interactions.getKeyValueNodeChild(MicrowaveVocabulary.MICROWAVE_DURATION).getFirstValue());
        heat.setText(interactions.getKeyValueNodeChild(MicrowaveVocabulary.MICROWAVE_HEAT).getFirstValue());
      }      
    });    
  }

  /* (non-Javadoc)
   * @see lal.sodf.framework.SodfCallback#writeComplete(int)
   */
  @Override
  public void writeComplete(int resultCode) {
    //no writing done here
    
  }
  
  /* (non-Javadoc)
   * @see android.app.Activity#onNewIntent(android.content.Intent)
   */
  @Override
  protected void onNewIntent(Intent intent) {
    Tag tag = intent.getParcelableExtra(NfcAdapter.EXTRA_TAG);
    //ensure that a tag was tapped and the user wants to write data
    if (tag != null){
      SodfFramework.readData(tag, this);    
    }
  }

  /* (non-Javadoc)
   * @see android.app.Activity#onResume()
   */
  @Override
  protected void onResume() {
    super.onResume();
    //register to get all NFC tags
    NfcAdapter.getDefaultAdapter(this).enableForegroundDispatch(this, pendingIntent, null, null);
  }
  
  /* (non-Javadoc)
   * @see android.app.Activity#onPause()
   */
  @Override
  protected void onPause() {
    //has to be disabled because the app is not in foreground anymore
    NfcAdapter.getDefaultAdapter(this).disableForegroundDispatch(this);
    super.onPause();
  }

  
}

Java Source Code List