What's wrong with texting and writing half a screen?

Writing half screen by texting is the mode mode of mobile phone keyboard. Open the phone to enter the new information window, and click the "Keyboard" button on the keyboard that appears. Click the "Handwriting" button, which is usually half screen by default. Below the keyboard is a full-screen switch. Click to switch between full-screen and half-screen handwriting. The input method operation of different mobile phones will be different, but most of them are in the settings, and the operation after clicking the settings is very different.