Android Open Source - Gloomy-Dungeons-3D Pre Level View

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From Project

Back to project page Gloomy-Dungeons-3D.

License

The source code is released under:

MIT License

Java Source Code

package zame.game.views;
/*  www  .java2  s  . c o m*/
import android.content.Context;
import android.os.Handler;
import android.util.AttributeSet;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.ScrollView;
import android.widget.TextView;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Locale;
import java.util.Timer;
import java.util.TimerTask;
import zame.game.Common;
import zame.game.GameActivity;
import zame.game.R;
import zame.game.SoundManager;
import zame.game.engine.State;

public class PreLevelView extends zame.libs.FrameLayout implements IZameView
{
  private GameActivity activity;
  private Timer showMoreTextTimer;
  private final Handler handler = new Handler();
  private ScrollView scrollWrap;
  private TextView txtText;
  private String preLevelText;
  private int currentLength;
  private int currentHeight;
  private boolean showMoreTextTaskActive = false;
  private TimerTask showMoreTextTask;

  private final Runnable updateText = new Runnable() {
    public void run() {
      currentLength += 3;

      if (currentLength >= preLevelText.length()) {
        currentLength = preLevelText.length();

        if (showMoreTextTaskActive) {
          showMoreTextTaskActive = false;
          showMoreTextTask.cancel();
        }
      }

      updateTextValue(!showMoreTextTaskActive);
    }
  };

  private void updateTextValue(boolean ensureScroll) {
    txtText.setText(preLevelText.substring(0, currentLength));
    int newHeight = txtText.getHeight();

    if (newHeight > currentHeight || ensureScroll) {
      currentHeight = newHeight;

      scrollWrap.post(new Runnable() {
        public void run() {
          scrollWrap.fullScroll(ScrollView.FOCUS_DOWN);
        }
      });
    }
  }

  public PreLevelView(Context context, AttributeSet attrs)
  {
    super(context, attrs);
    activity = (GameActivity)context;
  }

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

    Common.setTypeface(this, new int[] {
      R.id.TxtText,
      R.id.BtnStartLevel,
    });

    scrollWrap = (ScrollView)findViewById(R.id.ScrollWrap);
    txtText = (TextView)findViewById(R.id.TxtText);

    String imgId = "";

    try {
      InputStreamReader isr = new InputStreamReader(
        Common.openLocalizedAsset(
          activity.getAssets(),
          String.format(Locale.US, "prelevel%%s/level-%d.txt", State.levelNum)
        ),
        "UTF-8"
      );

      BufferedReader br = new BufferedReader(isr);

      imgId = br.readLine();
      StringBuffer sb = new StringBuffer();
      boolean appendNewline = false;

      for (;;) {
        String line = br.readLine();

        if (line == null) {
          break;
        }

        if (appendNewline) {
          sb.append("\n");
        }

        sb.append(line);
        appendNewline = true;
      }

      preLevelText = sb.toString();
      br.close();
    } catch (IOException ex) {
      throw new RuntimeException(ex);
    }

    ImageView imgImage = (ImageView)findViewById(R.id.ImgImage);
    imgImage.setVisibility(View.VISIBLE);

    if (imgId.equals("ep_1")) {
      imgImage.setImageResource(R.drawable.pre_ep_1);
    } else if (imgId.equals("ep_2")) {
      imgImage.setImageResource(R.drawable.pre_ep_2);
    } else if (imgId.equals("ep_3")) {
      imgImage.setImageResource(R.drawable.pre_ep_3);
    } else if (imgId.equals("ep_4")) {
      imgImage.setImageResource(R.drawable.pre_ep_4);
    } else if (imgId.equals("ep_5")) {
      imgImage.setImageResource(R.drawable.pre_ep_5);
    } else {
      imgImage.setVisibility(View.GONE);
    }

    ((Button)findViewById(R.id.BtnStartLevel)).setOnClickListener(new View.OnClickListener() {
      public void onClick(View v) {
        SoundManager.playSound(SoundManager.SOUND_BTN_PRESS);

        currentLength = preLevelText.length();
        updateTextValue(true);

        GameActivity.changeView(R.layout.game);
      }
    });
  }

  public void onResume()
  {
    currentHeight = 0;
    currentLength = 1;
    updateTextValue(false);

    // there is also handler.postDelayed and handler.postAtTime (don't forget about handler.removeCallbacks in such case)

    showMoreTextTask = new TimerTask() {
      public void run() {
        handler.post(updateText);
      }
    };

    showMoreTextTimer = new Timer();
    showMoreTextTaskActive = true;
    showMoreTextTimer.schedule(showMoreTextTask, 30, 30);
  }

  public void onPause()
  {
    if (showMoreTextTaskActive) {
      showMoreTextTaskActive = false;
      showMoreTextTask.cancel();
    }
  }
}

Java Source Code List

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