Android Open Source - android-robot-control-app Controller Activity

From Project

Back to project page android-robot-control-app.

License

The source code is released under:

GNU General Public License

If you think the Android project android-robot-control-app listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.

Java Source Code

package will.st.bluetooth.robot.controller;
//  w  ww.  j a va2  s . c  o m
import java.io.IOException;
import java.io.OutputStream;

import will.st.bluetooth.robot.controller.controllers.ControllerFragment;
import will.st.bluetooth.robot.controller.controllers.ControllerFragmentFactory;
import will.st.bluetooth.robotcontroller.R;
import android.bluetooth.BluetoothSocket;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.util.Log;

public class ControllerActivity extends FragmentActivity implements
    BtConnectFragment.BtConnectionMadeListener {

  private final static String TAG = "ROBOT_CONTROLLER";
  
  // Tells us which controller fragment to use
  private static String sSelectedControllerFragment;

  private ControllerFragment mControllerFragment;
  private BtConnectFragment mBtConnectFragment;
  // These are used to send data via Bluetooth.
  private OutputStream mOutputStream;
  private BluetoothSocket mBluetoothSocket;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    Log.d(TAG, "...In ControllerActivity "
        + "onCreate(Bundle savedInstanceState)...");
    setContentView(R.layout.activity_controller);

    sSelectedControllerFragment = getIntent().getStringExtra(
        ToyMenuActivity.SELECTED_CONTROLLER_FRAGMENT);

    mBtConnectFragment = BtConnectFragment.getInstance();
  }

  @Override
  protected void onResume() {
    super.onResume();
    Log.d(TAG, "...In ControllerActivity onResume()...");
    getSupportFragmentManager()
        .beginTransaction()
        .replace(R.id.controller_activity_frame_layout, mBtConnectFragment,
            "connect").commit();
    getSupportFragmentManager().executePendingTransactions();

  }

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

    Log.d(TAG, "...In ControllerActivity onPause()...");

    if (mOutputStream != null) {
      try {
        mOutputStream.flush();
      } catch (IOException e) {
        Log.e(TAG, "In ControllerActivity onPause(),"
            + " failed to flush output stream.", e);
      }
      mOutputStream = null;
    }

    if (mBluetoothSocket != null) {
      try {
        mBluetoothSocket.close();
      } catch (IOException e) {
        Log.e(TAG, "In ControllerActivity onPause(),"
            + " failed to close socket.", e);
      }
      mBluetoothSocket = null;
      finish();
    }
  }

  // Call to swap our BtConnectFragment for a ControllerFragment once
  // connectFrag establishes a connection.
  public void onConnectionMade(BluetoothSocket btSocket,
      OutputStream outputStream) {
    Log.d(TAG, "...In ControllerActivity onConnectionMade()...");

    this.mBluetoothSocket = btSocket;
    this.mOutputStream = outputStream;

    mControllerFragment = ControllerFragmentFactory.createControllerFragment(
        sSelectedControllerFragment, outputStream);

    getSupportFragmentManager()
        .beginTransaction()
        .replace(R.id.controller_activity_frame_layout, mControllerFragment,
            "control").commit();
  }

  public void setConnectFrag(BtConnectFragment connectFrag) {
    this.mBtConnectFragment = connectFrag;
  }

  public static void setSpecifiedControllerFragment(
      String specifiedControllerFragment) {
    ControllerActivity.sSelectedControllerFragment = specifiedControllerFragment;
  }
}

Java Source Code List