Android gets the control in DatePicker through reflection and changes its color. androiddatepicker

Android gets the control in DatePicker through reflection and changes its color. androiddatepicker

 

 

In the end, the color of the middle part is successfully changed.

 

 

 

Private void setDatePickerDividerColor (DatePicker datePicker) {// Divider changing: // get mSpinners LinearLayout llFirst = (LinearLayout) datePicker. getChildAt (0); // obtain NumberPicker LinearLayout mSpinners = (LinearLayout) llFirst. getChildAt (0); for (int I = 0; I <mSpinners. getChildCount (); I ++) {NumberPicker picker = (NumberPicker) mSpinners. getChildAt (I); Field [] pickerFields = NumberPicker. class. getDeclaredFields (); for (Field pf: pickerFields) {pf. setAccessible (true); String pfString = pf. getName (); try {if (pfString. equals ("mSelectionDivider") {pf. set (picker, new ColorDrawable (Color. parseColor ("# ffffff"); // sets the split line color break;} else if (pfString. equals ("mInputText") {EditText mInputText = (EditText) pf. get (picker); // obtain the mInputText object corresponding to this attribute. setTextColor (view. getResources (). getColor (R. color. white); break;} else if (pfString. equals ("mSelectorWheelPaint") {Paint mPaint = (Paint) pf. get (picker); // obtain the object mPaint corresponding to this attribute. setColor (view. getResources (). getColor (R. color. white); break;} else if (pfString. equals ("mVirtualButtonPressedDrawable") {pf. set (picker, new ColorDrawable (Color. parseColor ("# ffffff"); break ;}} catch (IllegalArgumentException e) {e. printStackTrace ();} catch (Resources. notFoundException e) {e. printStackTrace ();} catch (IllegalAccessException e) {e. printStackTrace ();}}}}