Android Open Source - android-training-tutorial Main Activity

• Back to Development/tutorial  ↑

From Project

Back to project page android-training-tutorial.

License

The source code is released under:

MIT License

Java Source Code

package im.ene.dev.zbroadcastreceiver2;
/*w w  w .j  a v a  2s  .  c o  m*/
import im.ene.dev.zbroadcastreceiver2.R;
import im.ene.dev.zbroadcastreceiver2.receivers.CustomBroadcastReceiver;
import im.ene.dev.zbroadcastreceiver2.receivers.CustomBroadcastReceiver.OnBroadcastReceiveListener;
import im.ene.dev.zbroadcastreceiver2.services.CustomBroadcastService;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.os.Handler;
import android.support.v7.app.ActionBarActivity;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.SeekBar;
import android.widget.SeekBar.OnSeekBarChangeListener;
import android.widget.TextView;

public class MainActivity extends ActionBarActivity 
implements OnSeekBarChangeListener, OnClickListener, OnBroadcastReceiveListener {

  public static final String BROADCAST_ACTIVITY_ACTION = "im.ene.br2.broadcast_from_main_activity";

  private Button mButton;
  private TextView mTextView;
  private SeekBar mSeekBar;

  private Intent mServiceIntent;
  private Intent mActivityIntent;
  private Intent mBroadcastIntent;

  private CustomBroadcastReceiver mReceiver;

  private Handler mHandler;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.fragment_main);

    mButton = (Button) findViewById(R.id.main_button);
    mButton.setOnClickListener(this);

    mTextView = (TextView) findViewById(R.id.main_textview);
//    mTextView.setOnClickListener(this);

    mSeekBar = (SeekBar) findViewById(R.id.main_seekbar);
    mSeekBar.setMax(10000);
    mSeekBar.setOnSeekBarChangeListener(this);

    mReceiver = new CustomBroadcastReceiver();
    mReceiver.setOnBroadcastReceiveListener(this);

    mHandler = new Handler();

    mBroadcastIntent = new Intent(MainActivity.BROADCAST_ACTIVITY_ACTION);
  }

  @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
  public boolean onOptionsItemSelected(MenuItem item) {
    // Handle action bar item clicks here. The action bar will
    // automatically handle clicks on the Home/Up button, so long
    // as you specify a parent activity in AndroidManifest.xml.
    int id = item.getItemId();
    if (id == R.id.action_settings) {
      return true;
    }
    return super.onOptionsItemSelected(item);
  }

  @Override
  protected void onResume() {
    super.onResume();

    /* register a receiver to receive broadcast from service */
    registerReceiver(mReceiver, new IntentFilter(CustomBroadcastService.BROADCAST_SERVICE_ACTION));
  }

  @Override
  protected void onPause() {
    super.onPause();

    /* stop/pause receiving broadcast from service */
    try {
      unregisterReceiver(mReceiver);
    } catch (Exception er) {
      er.printStackTrace();
    }
  }

  @Override
  protected void onDestroy() {
    // TODO Auto-generated method stub
    super.onDestroy();
    
    try {
      stopService(mServiceIntent);
    } catch (Exception er) {
      er.printStackTrace();
    }
  }
  
  @Override
  public void onProgressChanged(SeekBar seekBar, int progress,
      boolean fromUser) {
    // TODO Auto-generated method stub

  }

  @Override
  public void onStartTrackingTouch(SeekBar seekBar) {
    mHandler.removeCallbacksAndMessages(null);
  }

  @Override
  public void onStopTrackingTouch(SeekBar seekBar) {
    mBroadcastIntent.putExtra("progress", seekBar.getProgress());
    sendBroadcast(mBroadcastIntent);
  }

  @Override
  public void onClick(View v) {
    switch (v.getId()) {
    case R.id.main_button:
      if (mServiceIntent == null) {
        mServiceIntent = new Intent(this, CustomBroadcastService.class);
        startService(mServiceIntent);
      }
      break;
    }
  }

  @Override
  public void onBroadcastReceiveUpdateUI(Intent intent) {
    int progress = intent.getIntExtra("progress", 1);
    mSeekBar.setProgress(progress);
    mTextView.setText(progress + "");
  }

}

Java Source Code List

• Back to Development/tutorial  ↑