@Override
public boolean onTouchEvent(MotionEvent event) {
/** 此处可添加修改高度的，没有用到 */
int action = event.getAction();
switch (action) {
case MotionEvent.ACTION_MOVE:
break;
case MotionEvent.ACTION_DOWN:
break;
case MotionEvent.ACTION_UP:
float rawX = event.getRawX();
float rawY = event.getRawY();
float x = event.getX();
float y = event.getY();
System.out.println("X--" + x);
System.out.println("y" + y);
int[] location = new int[2];
cv_chart.getLocationOnScreen(location);
float offsetY = y - location[1];
float offsetX = x - 50;
System.out.println("x--" + location[0]);
System.out.println("y--" + location[1]);
System.out.println("offsetX--" + offsetX);
System.out.println("offsetY--" + offsetY);
judgeHeight(offsetY);
if (offsetX < 50 + ChartView.width / 4 / 2) {
/** 修改第一列的数据 */
x1 = judgeHeight(offsetY);
} else if (offsetX < 50 + ChartView.width * 3 / 4 / 2) {
/** 修改第二列的数据 */
x2 = judgeHeight(offsetY);
} else if (offsetX < 50 + ChartView.width * 5 / 4 / 2) {
/** 修改第三列的数据 */
x3 = judgeHeight(offsetY);
} else if (offsetX < 50 + ChartView.width * 7 / 4 / 2) {
/** 修改第四列的数据 */
x4 = judgeHeight(offsetY);
} else {
/** 修改第五列的数据 */
x5 = judgeHeight(offsetY);
}
cv_chart.invalidate();
break;
}
return super.onTouchEvent(event);
}
@SuppressLint("NewApi")
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_chart);
ll_full = (RelativeLayout) findViewById(R.id.ll_full);
cv_chart = (ChartView) findViewById(R.id.cv_chart);
// bt_change = (Button) findViewById(R.id.bt_change);
// bt_change.setOnClickListener(this);
random = new Random();
list = new ArrayList<ChartBean>();
for (int i = 0; i < 5; i++) {
ChartBean chartBean = new ChartBean(15 + (i * 3) % 9, "05.05");
list.add(chartBean);
}
cv_chart.setData(list, "元/斤", true);
cv_chart.invalidate();
}