사용자 지정보기가 그림이 아닙니다.

Question

customView를 만들고 있지만 표시하지 않습니다. 그것의 속성을 attrs.xml에 추가했습니다.

나는 생성자를 구현했지만 단순히 호와 타원을 그렸지만 표시하지는 않습니다.

오류는 표시하지 않지만 표시하지는 않습니다.

나는 내가 잘못 <package.above.Pie>

처럼 XML로를 추가 한 ... 당신의 onDraw() 메소드 폭의 값이 0 (영)으로 점점에서

public class Pie extends View 
{ 
    Context cont; 

    public int eventValue = 0; 

    RectF mediumOval; 

    RectF oval; 

    Paint p1; 

    Paint p2; 

    Paint p3; 

    Paint p4; 

    Paint p5; 

    RectF smallOval; 

    int width; 

    public Pie(Context context, AttributeSet attrs, int defStyleAttr) 
    { 
     super(context, attrs, defStyleAttr);  

     cont = context; 


     final TypedArray styled = context.getTheme().obtainStyledAttributes(attrs, R.styleable.Pie, 0, 0); 

     eventValue = styled.getInteger(R.styleable.Pie_eventValue, 16); 

     styled.recycle(); 

     myInit(); 
    } 

    public Pie(Context context, AttributeSet attrs) 
    { 
     this(context,attrs,0); 
    } 

    public Pie(Context context) 
    { 
     super(context); 

     cont = context; 

     myInit(); 
    } 



    public void setEventValue(int eValue) 
    { 
     eventValue = eValue; 
    } 

    public void myInit() 
    { 
     width = getWidth(); 

     p1 = new Paint(1); 
     p1.setColor(Color.rgb(86, 86, 86)); 
     p1.setStyle(android.graphics.Paint.Style.FILL); 


     p2 = new Paint(1); 
     p2.setColor(Color.rgb(245, 109, 89)); 
     p2.setStyle(android.graphics.Paint.Style.FILL); 


     p3 = new Paint(1); 
     p3.setColor(Color.rgb(71, 71, 71)); 
     p3.setStyle(android.graphics.Paint.Style.FILL); 


     p4 = new Paint(1); 
     p4.setColor(Color.rgb(247, 247, 247)); 
     p4.setStyle(android.graphics.Paint.Style.FILL); 

     p5 = new Paint(1); 
     p5.setColor(Color.rgb(246, 246, 246)); 
     p5.setStyle(android.graphics.Paint.Style.FILL); 

     mediumOval = new RectF(); 

     oval = new RectF(); 

     smallOval = new RectF(); 
    } 

    @Override 
    protected void onDraw(Canvas canvas) 
    { 
     super.onDraw(canvas); 

     int i = width/4; 

     oval.set(i - i/2, i/2, i * 3 + i/2, i * 3 + i/2); 

     mediumOval.set(i - i/4, i - i/4, i * 3 + i/4, i * 3 + i/4); 

     smallOval.set(i, i, i * 3, i * 3); 

     canvas.drawOval(oval, p1); 

     canvas.drawArc(oval, -90F, (int)Math.round((360D * Double.valueOf(eventValue).doubleValue())/100D), true, p2); 

     canvas.drawOval(mediumOval, p3); 

     canvas.drawOval(smallOval, p1); 
    } 

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

     int desiredWidth = width; 


     int desiredHeight = width; 


     int widthMode = android.view.View.MeasureSpec.getMode(widthMeasureSpec); 


     int widthSize = android.view.View.MeasureSpec.getSize(widthMeasureSpec); 


     int heightMode = android.view.View.MeasureSpec.getMode(heightMeasureSpec); 


     int heightSize = android.view.View.MeasureSpec.getSize(heightMeasureSpec); 


     int measuredWidth; 


     int measuredHeight; 

     if (widthMode == MeasureSpec.EXACTLY)   
     {  
      measuredWidth = widthSize ;   
     }   
     else if (widthMode == MeasureSpec.AT_MOST) 

     {  
      measuredWidth = Math.min(desiredWidth , widthSize);  
     } 
     else   
     { 
      measuredWidth = desiredWidth;  
     } 



     if (heightMode == MeasureSpec.EXACTLY) 
     { 
      measuredHeight = heightSize ; 
     } 
     else if (heightMode == MeasureSpec.AT_MOST) 
     { 
      measuredHeight = Math.min(desiredHeight, heightSize); 
     } 
     else 
     { 
      measuredHeight = desiredHeight; 
     } 
     setMeasuredDimension(measuredWidth, measuredHeight); 
    } 
} 

Answer 1

..

변경이 줄을

int i = width/4; 

~

int i = getWidth()/4;