[Résolu] Utiliser l'accélération matérielle sous Android

 private class PieView extends View {

       public PieView(Context context) {
           super(context);
           if (!isInEditMode()) {
               setLayerType(View.LAYER_TYPE_HARDWARE, null);
           }
       }
       
       @Override
       protected void onDraw(Canvas canvas) {
           super.onDraw(canvas);

           for (Item it : mData) {
               mPiePaint.setShader(it.mShader);
               canvas.drawArc(mBounds,
                       360 - it.mEndAngle,
                       it.mEndAngle - it.mStartAngle,
                       true, mPiePaint);
           }
       }

       @Override
       protected void onSizeChanged(int w, int h, int oldw, int oldh) {
           mBounds = new RectF(0, 0, w, h);
       }

       RectF mBounds;
   }