NumberPicker设置宽度，设置文字颜色

wheel = (NumberPicker) findViewById(R.id.info_wheel_province);
wheel.setLayoutParams(new LinearLayout.LayoutParams(deviceSize.x >> 1, LinearLayout.LayoutParams.WRAP_CONTENT));

public static boolean setNumberPickerTextColor(NumberPicker numberPicker, int color) {
boolean result = false;
final int count = numberPicker.getChildCount();
for (int i = 0; i < count; i++) {
View child = numberPicker.getChildAt(i);
if (child instanceof EditText) {
try {
Field selectorWheelPaintField = numberPicker.getClass()
.getDeclaredField("mSelectorWheelPaint");
selectorWheelPaintField.setAccessible(true);
((Paint) selectorWheelPaintField.get(numberPicker)).setColor(color);
((EditText) child).setTextColor(color);
numberPicker.invalidate();
result = true;
} catch (NoSuchFieldException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
} catch (IllegalArgumentException e) {
e.printStackTrace();
}
}
}
return result;
}