/*设置量表对齐*/
private void setOffset() {
float lineLeft = combinedchart.getViewPortHandler().offsetLeft();
float barLeft = barChart.getViewPortHandler().offsetLeft();
float lineRight = combinedchart.getViewPortHandler().offsetRight();
float barRight = barChart.getViewPortHandler().offsetRight();
float barBottom = barChart.getViewPortHandler().offsetBottom();
float offsetLeft, offsetRight;
float transLeft = 0, transRight = 0;
/*注：setExtraLeft...函数是针对图表相对位置计算，比如A表offLeftA=20dp,B表offLeftB=30dp,则A.setExtraLeftOffset(10),并不是30，还有注意单位转换*/
if (barLeft < lineLeft) {
/* offsetLeft = Utils.convertPixelsToDp(lineLeft - barLeft);
barChart.setExtraLeftOffset(offsetLeft);*/
transLeft = lineLeft;
} else {
offsetLeft = Utils.convertPixelsToDp(barLeft - lineLeft);
combinedchart.setExtraLeftOffset(offsetLeft);
transLeft = barLeft;
}
/*注：setExtraRight...函数是针对图表绝对位置计算，比如A表offRightA=20dp,B表offRightB=30dp,则A.setExtraLeftOffset(30),并不是10，还有注意单位转换*/
if (barRight < lineRight) {
/* offsetRight = Utils.convertPixelsToDp(lineRight);
barChart.setExtraRightOffset(offsetRight);*/
transRight = lineRight;
} else {
offsetRight = Utils.convertPixelsToDp(barRight);
combinedchart.setExtraRightOffset(offsetRight);
transRight = barRight;
}
barChart.setViewPortOffsets(transLeft, 15, transRight, barBottom);
}
