extends IntentService : Intent « Core Class « Android

1. Android
2. Core Class
3. Intent

extends IntentService

    
package app.test;

import android.app.Activity;
import android.app.IntentService;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.text.TextUtils;
import android.util.Log;
import android.widget.Toast;

public class Test extends Activity {

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    logEvent("CREATE");
  }

  @Override
  public void onStart() {
    super.onStart();
    logEvent("START");
  }

  @Override
  public void onResume() {
    super.onResume();
    logEvent("RESUME");
  }

  @Override
  public void onPause() {
    super.onPause();
    logWarning("PAUSE");
  }

  @Override
  public void onStop() {
    super.onStop();
    logWarning("STOP");
  }

  @Override
  public void onDestroy() {
    super.onDestroy();
    logWarning("DESTROY");
  }

  private void logEvent(String event) {
    Intent intent = new Intent(this, OperationsManager.class);
    intent.setAction(OperationsManager.ACTION_EVENT);
    intent.putExtra(OperationsManager.EXTRA_NAME, event);

    startService(intent);
  }

  private void logWarning(String event) {
    Intent intent = new Intent(this, OperationsManager.class);
    intent.setAction(OperationsManager.ACTION_WARNING);
    intent.putExtra(OperationsManager.EXTRA_NAME, event);

    startService(intent);
  }
}

class OperationsManager extends IntentService {

  public static final String ACTION_EVENT = "ACTION_EVENT";
  public static final String ACTION_WARNING = "ACTION_WARNING";
  public static final String ACTION_ERROR = "ACTION_ERROR";
  public static final String EXTRA_NAME = "eventName";

  private static final String LOGTAG = "EventLogger";

  private IntentFilter matcher;

  public OperationsManager() {
    super("OperationsManager");
    matcher = new IntentFilter();
    matcher.addAction(ACTION_EVENT);
    matcher.addAction(ACTION_WARNING);
    matcher.addAction(ACTION_ERROR);
  }

  @Override
  protected void onHandleIntent(Intent intent) {
    if (!matcher.matchAction(intent.getAction())) {
      Toast.makeText(this, "OperationsManager: Invalid Request",
          Toast.LENGTH_SHORT).show();
      return;
    }
    if (TextUtils.equals(intent.getAction(), ACTION_EVENT)) {
      logEvent(intent.getStringExtra(EXTRA_NAME));
    }
  }

  private void logEvent(String name) {
    try {
      Thread.sleep(5000);
      Log.i(LOGTAG, name);
    } catch (InterruptedException e) {
      e.printStackTrace();
    }
  }
}

   
    
    
    
  

Related examples in the same category