1.EditText中添加：

    android:textCursorDrawable="@drawable/shape_cursor_white"

2.shape_cursor_white.xml

  <?xml version="1.0" encoding="utf-8"?>
  <shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="rectangle">
    <solid android:color="@color/white" />
    <size android:width="2dp" />
  </shape>