Android自定义View实现选座功能

public class SearView extends ViewGroup {
  private Context context;
  public SearView(@NonNull Context context) {
    super(context);
  }

  public SearView(@NonNull Context context, @Nullable AttributeSet attrs) {
    super(context, attrs);
    this.cOntext=getContext();
  }

  public SearView(@NonNull Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
    super(context, attrs, defStyleAttr);
  }

  @Override
  protected void onLayout(boolean changed, int l, int t, int r, int b) {

  }


  @Override
  protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
    super.onMeasure(widthMeasureSpec, heightMeasureSpec);

  }
  private ArrayList mlist;
  public void setData(ArrayList list){
    this.mlist = list;
    invalidate();
  }


  @Override
  protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    if (mlist != null && mlist.size() > 0) {
      for (int i = 0; i =left&&x=top&&y<=bottom){
        clickedSeat.clickedSeat(resultBean1);
        int status = resultBean1.getStatus();
        if (status==1){
          status=3;
          resultBean1.setStatus(status);
        }else if (status==3){
          status=1;
          resultBean1.setStatus(status);
        }
        break;
      }
    }
    postInvalidate();
  }
  public interface ClickedSeat{
    void clickedSeat(SeatinfoBean.ResultBean resultBean);
  }
  private ClickedSeat clickedSeat;

  public void setClickedSeat(ClickedSeat clickedSeat) {
    this.clickedSeat = clickedSeat;
  }
}

public static class ResultBean {
    /**
     * row : 1
     * seat : 1
     * status : 2
     */

    private String row;
    private String seat;
    private int status;
    private int left;
    private int top;
    private int right;
    private int bottom;
    private Context context;
    private boolean ist = false;

    public String getRow() {
      return row;
    }

    public void setRow(String row) {
      this.row = row;
    }

    public String getSeat() {
      return seat;
    }

    public void setSeat(String seat) {
      this.seat = seat;
    }

    public int getStatus() {
      return status;
    }

    public void setStatus(int status) {
      this.status = status;
    }

    public int getLeft() {
      return left;
    }

    public void setLeft(int left) {
      this.left = left;
    }

    public int getTop() {
      return top;
    }

    public void setTop(int top) {
      this.top = top;
    }

    public int getRight() {
      return right;
    }

    public void setRight(int right) {
      this.right = right;
    }

    public int getBottom() {
      return bottom;
    }

    public void setBottom(int bottom) {
      this.bottom = bottom;
    }

    public Context getContext() {
      return context;
    }

    public void setContext(Context context) {
      this.cOntext= context;
    }

    public boolean isIst() {
      return ist;
    }

    public void setIst(boolean ist) {
      this.ist = ist;
    }
    public void draw(Canvas canvas,Context context){
      if (status==2){
        BitmapDrawable drawable = (BitmapDrawable) context.getResources().getDrawable(R.drawable.xuan);
        Bitmap bitmap = drawable.getBitmap();
        int width = bitmap.getWidth();
        int height = bitmap.getHeight();
        int row = Integer.parseInt(getRow());
        int seat = Integer.parseInt(getSeat());
        row = row*50;
        seat = seat*50;
        canvas.drawBitmap(bitmap,seat,row,new Paint());
        left = seat;
        top = row;
        right = seat+width;
        bottom = row+height;
      }
      if (status==1){
        BitmapDrawable drawable = (BitmapDrawable) context.getResources().getDrawable(R.drawable.xuan1);
        Bitmap bitmap = drawable.getBitmap();
        int width = bitmap.getWidth();
        int height = bitmap.getHeight();
        int row = Integer.parseInt(getRow());
        int seat = Integer.parseInt(getSeat());
        row = row*50;
        seat = seat*50;
        canvas.drawBitmap(bitmap,seat,row,new Paint());
        left = seat;
        top = row;
        right = seat+width;
        bottom = row+height;
      }
      if (status==3){
        BitmapDrawable drawable = (BitmapDrawable) context.getResources().getDrawable(R.drawable.xuan3);
        Bitmap bitmap = drawable.getBitmap();
        int width = bitmap.getWidth();
        int height = bitmap.getHeight();
        int row = Integer.parseInt(getRow());
        int seat = Integer.parseInt(getSeat());
        row = row*50;
        seat = seat*50;
        canvas.drawBitmap(bitmap,seat,row,new Paint());
        left = seat;
        top = row;
        right = seat+width;
        bottom = row+height;
      }
    }
  }
}

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