When using Huaxia mobile office products, in dopod android operating system, the application program does not support Chinese handwriting input method. What should I do?

When using Huaxia mobile office products, the application program does not support Chinese handwriting input method. The specific operation is as follows: Settings-> Region and text-> Touch and enter Chinese, and select "Mobile phone health disk; Enter the corresponding application through the emass client, bring up the keyboard input method, and click the "gear" icon in the lower left corner of the keyboard. At this time, there will be an input method switching prompt message, and select the smart input method. At this time, Chinese input can be made through Pinyin input method. (The above content is only applicable to Guangdong Unicom users)