只需覆盖XAxisRenderer和renderAxisLabels(c: Canvas)方法。
并将其设置为barChart itemView.barChart.setXAxisRenderer(CustomBarChartRenderer(itemView.barChart.viewPortHandler, itemView.barChart.xAxis, itemView.barChart.rendererXAxis.transformer))
import android.graphics.Canvas
import com.github.mikephil.charting.renderer.XAxisRenderer
import com.github.mikephil.charting.utils.ViewPortHandler
import com.github.mikephil.charting.components.XAxis
import com.github.mikephil.charting.utils.MPPointF
import com.github.mikephil.charting.utils.Transformer
class CustomBarChartRenderer(viewPortHandler: ViewPortHandler, xAxis: XAxis, trans: Transformer) : XAxisRenderer(viewPortHandler, xAxis, trans) {
override fun renderAxisLabels(c: Canvas) {
if (!mXAxis.isEnabled || !mXAxis.isDrawLabelsEnabled)
return
val yoffset = mXAxis.yOffset
mAxisLabelPaint.typeface = mXAxis.typeface
mAxisLabelPaint.textSize = mXAxis.textSize
mAxisLabelPaint.color = mXAxis.textColor
val pointF = MPPointF.getInstance(0f, 0f)
if (mXAxis.position == XAxis.XAxisPosition.TOP) {
pointF.x = 0.5f
pointF.y = 1.0f
drawLabels(c, mViewPortHandler.contentTop() - yoffset, pointF)
} else if (mXAxis.position == XAxis.XAxisPosition.TOP_INSIDE) {
pointF.x = 0.5f
pointF.y = 1.0f
drawLabels(c, mViewPortHandler.contentBottom() - yoffset, pointF)
} else if (mXAxis.position == XAxis.XAxisPosition.BOTTOM) {
pointF.x = 0.5f
pointF.y = 0.0f
drawLabels(c, mViewPortHandler.contentBottom() + yoffset, pointF)
} else if (mXAxis.position == XAxis.XAxisPosition.BOTTOM_INSIDE) {
pointF.x = 0.5f
pointF.y = 0.0f
drawLabels(c, mViewPortHandler.contentBottom() - yoffset - mXAxis.mLabelRotatedHeight.toFloat(), pointF)
} else { // BOTH SIDED
pointF.x = 0.5f
pointF.y = 1.0f
drawLabels(c, mViewPortHandler.contentTop() - yoffset, pointF)
pointF.x = 0.5f
pointF.y = 0.0f
drawLabels(c, mViewPortHandler.contentBottom() + yoffset, pointF)
}
MPPointF.recycleInstance(pointF)
}
}
)
)
