@SuppressLint("NewApi")
@Override
public boolean onPreDraw() {
ChartView.this.getViewTreeObserver().removeOnPreDrawListener(this);
style.init();
// Define chart frame
mChartTop = getPaddingTop() + verController.getLabelHeight()/2;
mChartBottom = getMeasuredHeight() - getPaddingBottom()-LABELTEXTMAXLINE*(int)(style.labelsPaint.descent()-style.labelsPaint.ascent());
mChartLeft = getPaddingLeft();
mChartRight = getMeasuredWidth() - getPaddingRight();
// Initialize controllers now that we have the measures
verController.init();
if(mHasThresholdValue) {
mThresholdStartValue = verController.parsePos(0, mThresholdStartValue);
mThresholdEndValue = verController.parsePos(0, mThresholdEndValue);
}
// Mandatory: X axis after Y axis!
horController.init();
// Process data to define screen positions
digestData();
// Tells view to execute code before starting drawing
onPreDrawChart(data);
// Define regions
mRegions = defineRegions(data);
// Prepares the animation if needed and gets the first dump
// of data to be drawn
if(mAnim != null)
data = mAnim.prepareEnterAnimation(ChartView.this);
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB)
ChartView.this.setLayerType(LAYER_TYPE_SOFTWARE, null);
return mReadyToDraw = true;
}
