Android Open Source - CameraDemo Game Fragment

• Back to Camera/view  ↑

From Project

Back to project page CameraDemo.

License

The source code is released under:

Apache License

Java Source Code

package com.binary.one.camera.demo;
/* www  .j  ava2 s  .co m*/
import android.content.res.Resources;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.view.View.OnTouchListener;
import android.view.ViewGroup;
import android.widget.TextView;

public class GameFragment extends Fragment implements SurfaceHolder.Callback {

  private static final String TAG = "CameraDemo.GameFragment";
  private static final boolean DEBUG = true;

  private SurfaceView mSurfaceView = null;
  private TextView mDebugTextView = null;

  private GameLogic mGameLogic = null;
  private Thread mGameThread = null;

  private OnTouchListener mTouchListener = new OnTouchListener() {
    @Override
    public boolean onTouch(View v, MotionEvent event) {
      if (mGameLogic != null) {
        mGameLogic.handleTouchEvent(event);
        return true;
      }
      return false;
    }
  };

  public static GameFragment newInstance() {
    return new GameFragment();
  }

  @Override
  public View onCreateView(LayoutInflater inflater, ViewGroup container,
      Bundle savedInstanceState) {

    View root = inflater.inflate(R.layout.fragment_game, container, false);
    mSurfaceView = (SurfaceView) root.findViewById(R.id.game_surface);
    mSurfaceView.getHolder().addCallback(this);
    mSurfaceView.setOnTouchListener(mTouchListener);

    mDebugTextView = (TextView) root.findViewById(R.id.game_debug_info);

    return root;
  }

  @Override
  public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
    if (DEBUG) Log.d(TAG, "Surface changed...");
  }

  @Override
  public void surfaceCreated(SurfaceHolder holder) {
    if (DEBUG) Log.d(TAG, "Surface created!");

    mGameLogic = GameLogic.newInstance(getActivity(), holder);
    mGameLogic.addDebugCallback(new GameLogic.DebugCallback() {
      @Override
      public void updateDebugInfo(int screenWidth, int screenHeight, long frameCount) {
        Resources res = getActivity().getResources();
        float dpi = res.getDisplayMetrics().density;
        final String debugInfo = res.getString(R.string.debug_info,
            screenWidth,
            screenHeight,
            frameCount,
            dpi);

        getActivity().runOnUiThread(new Runnable() {
          @Override
          public void run() {
            mDebugTextView.setText(debugInfo);
          }
        });
      }
    });

    mGameThread = new Thread(mGameLogic);
    mGameThread.start();
  }

  @Override
  public void surfaceDestroyed(SurfaceHolder holder) {
    if (DEBUG) Log.d(TAG, "Surface destroyed!");

        boolean retry = true;
        mGameLogic.stop();
        while (retry) {
            try {
                mGameThread.join();
                retry = false;
            } catch (InterruptedException e) {}
        }
  }

}

Java Source Code List

• Back to Camera/view  ↑