Android Open Source - mazer Main Activity

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License

The source code is released under:

GNU General Public License

Java Source Code

package org.spatialia.santa;
//  w ww  .  j  av a2s.  c  om
import java.io.PrintStream;

import org.spatialia.santa.AlertDialog.Handler;
import org.spatialia.santa.logic.Level;
import org.spatialia.santa.logic.LevelManager;
import org.spatialia.santa.util.JobRunner;
import org.spatialia.santa.util.JobRunner.Job;
import org.spatialia.santa.util.Post;

import android.support.v7.app.ActionBarActivity;
import android.util.DisplayMetrics;
import android.view.KeyEvent;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.view.animation.Animation;
import android.view.animation.Animation.AnimationListener;
import android.view.animation.AnimationUtils;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;
import android.content.res.Configuration;
import android.os.Bundle;

public class MainActivity extends ActionBarActivity {

  private LevelManager model;
  private GameEngine engine;
  private View pauseView;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    // remove title
    requestWindowFeature(Window.FEATURE_NO_TITLE);
    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
        WindowManager.LayoutParams.FLAG_FULLSCREEN);

    setContentView(R.layout.activity_main);

    GameView view = (GameView) findViewById(R.id.gameBoard);

    model = new LevelManager();
    model.init(this);

    engine = new GameEngine(view, model);

    Level level = model.getCurrLevel();
    loadLevel(level);

    pauseView = findViewById(R.id.paused);
    pauseView.startAnimation(AnimationUtils.loadAnimation(
        getApplicationContext(), R.animator.hide_out));
  }

  public void loadMoreLevels(View view) {
    JobRunner.run(new Job() {

      private String lastError;
      private boolean noMore;

      @Override
      public void doUIBefore() {
        showLoading(true);
        TextView txt = (TextView) findViewById(R.id.message);
        txt.setText(R.string.app_downloading_more_levels);
      }

      @Override
      public void doWork() {
        try {
          String level = Post.doPost("https://spatialia.com/santa/?",
              "level=" + (model.getCurrentLevel() - 1));
          noMore = level.length() == 0;
          if (!noMore) {
            String levelPath = getFilesDir().getAbsolutePath();
            levelPath += "/level." + (model.getCurrentLevel() - 1);
            PrintStream out = new PrintStream(levelPath);
            out.println(level);
            out.close();
          }
        } catch (Exception ex) {
          lastError = ex.toString();
        }
      }

      @Override
      public void doUIAfter() {
        TextView txt = (TextView) findViewById(R.id.message);
        txt.setText("");

        if (noInternet()) {
          ImageView image = (ImageView) findViewById(R.id.icon);
          image.setImageResource(R.drawable.internet);
          image.setVisibility(View.VISIBLE);

          findViewById(R.id.progress).setVisibility(View.GONE);

          txt.setText(R.string.app_no_internet);
          txt.setClickable(true);
        } else if (noMore) {
          ImageView image = (ImageView) findViewById(R.id.icon);
          image.setImageResource(R.drawable.more);
          image.setVisibility(View.VISIBLE);

          findViewById(R.id.progress).setVisibility(View.GONE);
          txt.setText(R.string.app_no_more_levels);
        } else {
          findViewById(R.id.icon).setVisibility(View.GONE);
          findViewById(R.id.progress).setVisibility(View.VISIBLE);
          showLoading(false);
          txt.setClickable(false);
          loadLevel(model.getLevel(model.getCurrentLevel() - 1));
        }
      }

      private boolean noInternet() {
        if (lastError != null) {
          return lastError.contains("UnknownHostException")
              || lastError.contains("Hostname")
              || lastError.contains("ConnectException");
        }
        return false;
      }
    });
  }

  public void loadLevel(Level level) {
    if (level == null) {
      runOnUiThread(new Runnable() {

        @Override
        public void run() {
          loadMoreLevels(null);
        }
      });
    } else {
      engine.init(level);
      runOnUiThread(new Runnable() {

        @Override
        public void run() {
          initViewSize();
        }
      });
    }
  }

  public void loadNextLevel() {
    Level level = model.getNextLevel();
    loadLevel(level);
  }

  @Override
  protected void onDestroy() {
    model.uninit();
    super.onDestroy();
  }

  @Override
  protected void onResume() {
    super.onResume();
    if (pauseView.getVisibility() != View.VISIBLE) {
      engine.onResume();
    }
  }

  private void showLoading(boolean show) {
    findViewById(R.id.gameView).setVisibility(
        show ? View.GONE : View.VISIBLE);
    findViewById(R.id.loadingView).setVisibility(
        show ? View.VISIBLE : View.GONE);
  }

  @Override
  public void onConfigurationChanged(Configuration newConfig) {
    super.onConfigurationChanged(newConfig);

    initViewSize();
  }

  private void initViewSize() {
    JobRunner.run(new Job() {
      DisplayMetrics metrics;

      @Override
      public void doUIBefore() {
        showLoading(true);

        metrics = new DisplayMetrics();
        getWindowManager().getDefaultDisplay().getMetrics(metrics);
      }

      @Override
      public void doWork() {
        engine.initScreenSize(metrics.widthPixels, metrics.heightPixels);
      }

      @Override
      public void doUIAfter() {
        showLoading(false);
      }
    });
  }

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

  public void onClickPauseResume(final View view) {
    if (engine.isPaused()) {
      Animation slide = AnimationUtils.loadAnimation(
          getApplicationContext(), R.animator.hide_out);
      slide.setAnimationListener(new AnimationListener() {

        @Override
        public void onAnimationStart(Animation animation) {
        }

        @Override
        public void onAnimationRepeat(Animation animation) {
        }

        @Override
        public void onAnimationEnd(Animation animation) {
          pauseView.setVisibility(View.GONE);
        }
      });
      pauseView.startAnimation(slide);
      ((Button) view).setBackgroundResource(R.drawable.pause);
      engine.onResume();
    } else {

      TextView stats = (TextView) findViewById(R.id.stats);
      stats.setText(String.format(getString(R.string.app_game_stats_fmt),
          Math.max(0, model.getGiftsCollected()),
          model.getCurrentLevel()));

      Animation slide = AnimationUtils.loadAnimation(
          getApplicationContext(), R.animator.show_up);
      pauseView.setVisibility(View.VISIBLE);
      pauseView.startAnimation(slide);
      ((Button) view).setBackgroundResource(R.drawable.play);
      engine.onPause();
    }
  }

  @Override
  public boolean onKeyDown(int keyCode, KeyEvent event) {
    if (keyCode == KeyEvent.KEYCODE_BACK && event.getRepeatCount() == 0) {
      if (pauseView.getVisibility() == View.VISIBLE) {
        onClickPauseResume(findViewById(R.id.pause));
      } else {
        AlertDialog.show(this,
            getString(R.string.app_confirm_exit_message),
            getString(R.string.app_confirm_exit_title),
            getString(R.string.app_yes),
            getString(R.string.app_no), new Handler() {

              @Override
              public void onOK() {
                onBackPressed();
              }
            });
      }
      return true;
    }
    return super.onKeyDown(keyCode, event);
  }
}

Java Source Code List

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