Android 可点击扇形图
##效果图:
#Use: Layout
<ykq.demo.PieChartView.PieChartView
android:id="@ id/pieChartView"
android:layout_width="250dp"
android:layout_height="270dp"
android:layout_centerHorizontal="true"
android:layout_marginTop="100dp"
app:lableTextSize="16dp"
app:centreRadius="0dp"
app:gravity="top"
app:firstOffset="20dp"
/>初始化
chartView.setFanClickAbleData(
new double[]{75,15,60,24,90},
new int[]{Color.GRAY,Color.GREEN, Color.DKGRAY,Color.GREEN,Color.BLUE},0.08);动画
chartView.setOnFanClick(new OnFanItemClickListener() {
@Override
public void onFanClick(final FanItem fanItem) {
if (!fanRoateAniamtionStart)
{
float to;
float centre=(fanItem.getStartAngle() *2 fanItem.getAngle())/2;
if (centre>=270)
{
to=360-centre 90;
}else
{
to=90-centre;
}
RotateAnimation animation= new RotateAnimation(0,to, chartView.getFanRectF().centerX(),chartView.getFanRectF().centerY());
animation.setDuration(800);
animation.setAnimationListener(new Animation.AnimationListener() {
@Override
public void onAnimationStart(Animation animation) {
fanRoateAniamtionStart=true;
}
@Override
public void onAnimationEnd(Animation animation) {
chartView.setToFirst(fanItem);
chartView.clearAnimation();
chartView.invalidate();
fanRoateAniamtionStart=false;
tv_select_item.setText("当前选中:" fanItem.getPercent() "%");
}
@Override
public void onAnimationRepeat(Animation animation) {
}
});
animation.setFillAfter(true);
chartView.startAnimation(animation);
}
}
});