Android Open Source - Marble-Run Level Selection Activity

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Back to project page Marble-Run.
License

The source code is released under:
Apache License
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Java Source Code

package nttu.edu.activities;
// ww  w  .  j av a  2 s  .  c o m
import nttu.edu.R;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.view.WindowManager;
import android.view.WindowManager.LayoutParams;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.GridView;
import android.widget.ImageView;

public class LevelSelectionActivity extends Activity implements OnItemClickListener, View.OnClickListener {
  
  GridView grid;
  Button backButton;
  public static final int MAX_STAGES = 15;
  final int[] resources = new int[]{R.drawable.s1, R.drawable.s2, R.drawable.s3, R.drawable.s4, R.drawable.s5, R.drawable.s6, R.drawable.s7, R.drawable.s8, R.drawable.s9, R.drawable.s10, R.drawable.s11, R.drawable.s12, R.drawable.s13, R.drawable.s14, R.drawable.s15};
  
  public class CustomView extends ImageView {
    
    public CustomView(Context context) {
      super(context);
    }
    
    //Made so that it is always created as a square.
    @Override
    public void onMeasure(int width, int height) {
      super.onMeasure(width, width);
    }
  }
  public class ImageAdapter extends BaseAdapter {
    
    private Activity activity;
    
    public ImageAdapter(Activity a) {
      activity = a;
    }
    
    public int getCount() {
      return MAX_STAGES;
    }
    
    public Object getItem(int position) {
      return null;
    }
    
    public long getItemId(int position) {
      return 0;
    }
    
    public View getView(int position, View convertView, ViewGroup parent) {
      //If you wish to revert back to a spritesheet of numbers for each ImageView, comment the working code
      //and uncomment the C-style code below.
      /*  CustomView image;
        if (convertView != null)
          image = (CustomView) convertView;
        else {
          image = new CustomView(activity);
          image.setLayoutParams(new GridView.LayoutParams(128, 128));
          image.setPadding(8, 8, 8, 8);
        }
        int left = ((position % MAX_STAGES) % 6) * 32;
        int top = ((position % MAX_STAGES) / 6) * 32;
        Bitmap bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.level_select);
        bitmap = Bitmap.createBitmap(bitmap, left, top, 32, 32);
        image.setImageBitmap(bitmap);
        return image;
        */
      CustomView image;
      if (convertView != null)
        image = (CustomView) convertView;
      else {
        image = new CustomView(activity);
        image.setLayoutParams(new GridView.LayoutParams(128, 128));
        image.setPadding(16, 16, 16, 16);
        int p = position % MAX_STAGES;
        image.setImageResource(resources[p]);
      }
      return image;
      
    }
  }
  
  @Override
  public void onCreate(Bundle b) {
    super.onCreate(b);
    this.requestWindowFeature(Window.FEATURE_NO_TITLE);
    Window window = this.getWindow();
    window.setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
    window.addFlags(LayoutParams.FLAG_KEEP_SCREEN_ON);
    setContentView(R.layout.level_select);
    grid = (GridView) this.findViewById(R.id.level_select);
    grid.setAdapter(new ImageAdapter(this));
    grid.setOnItemClickListener(this);
    backButton = (Button) this.findViewById(R.id.level_back);
    backButton.setOnClickListener(this);
    
  }
  
  public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
    Intent intent = new Intent(this, PlayActivity.class);
    intent.putExtra("level", position + 1);
    this.startActivity(intent);
  }
  
  public void onClick(View v) {
    if (v.getId() == R.id.level_back) {
      this.finish();
    }
  }
  
  @Override
  protected void onPause() {
    //MenuActivity.music.onPause();
    MenuActivity.player.onPause();
    super.onPause();
  }
  
  @Override
  protected void onResume() {
    //MenuActivity.music.onResume();
    MenuActivity.player.onResume();
    super.onResume();
  }
  
}
Java Source Code List
