How iapp forces the keyboard to be hidden?

just press and hold "power on+volume".

Apple's mobile phone hiding function

1. Quickly enter punctuation marks

(1) We need to open the SMS interface, and then click the earth icon to switch the keyboard to the full letter keyboard state.

(2) After pressing the "123" key in the lower left corner, the system will automatically switch to the punctuation interface. At this time, we should not let go and continue to slide our finger to the punctuation mark to be entered, and then release it, so that we can quickly enter punctuation marks and the keyboard will automatically return to the alphabetic keyboard.

2. Choose to delete SMS

(1) First, we need to open the "SMS" interface, and then select the SMS contact to be deleted. After entering the SMS interface, we will continue to select a SMS to be deleted. After selecting it, long press the SMS and the "Copy, More" option will appear.

(2) When we click the "More" option, a selection box will appear in the interface, and we can select the short message to be deleted by ourselves. After the selection is completed, click the delete button at the lower left to delete this short message.

3, shortcut key input period

After entering the text in the SMS interface, you only need to click the space bar twice in a row.

4. Checking levelness is very secret

(1) First of all, we still need to turn on the "compass" function, and users need to make some simple positioning when using it for the first time.

(2) In the "Compass" interface, we slide the menu to the left, and this is the interface where we can see the horizontal indication function.

(3) At this time, our iPhone provides two display modes for everyone, and the horizontal and vertical coordinates are different. At this time, we only need to put the mobile phone on the object that we want to measure the level to detect whether the surface of the object is horizontal or not.

5. Shortcut input temperature conforms to

(1) We still need to enter the SMS input interface, and then input the temperature. After input, we need to click the "small earth" icon to switch the keyboard to the "number keyboard" mode.

(2) After switching, we have to hold the number key "" all the time. At this time, four input forms will be displayed above the "", and the leftmost one is temperature compliance. Click this symbol to complete the input.

6. Calculator quickly backspace

After inputting the number, we can quickly backspace one digit at a time by sliding it to the left or right, so that even if we make mistakes in input, we will not delete all the numbers.

7. "Blacklist" to block calls

(1) First, we need to enter the "Recent Calls" menu. At this time, the calls we received and dialed recently will be displayed in it, and we will find the calls we need to block.

(2) After selecting a number, we click the "I" circled button on the right, and a menu will appear. We slide down the menu and find "Block this incoming call number" at the bottom. After clicking, we can successfully add this number to the blacklist, and we will never receive harassing calls again.

8. Select application traffic as required

(1) First, we need to click "Settings", then find the option of "Cellular Mobile Network", and then we will slide down the menu.

(2) When we slide down the menu, we will see a list of all the installed applications in the mobile phone. At this time, we need to selectively close some useless application networks, and click the button on the right to close them. Of course, if you need to update this application in time, you can also open this function of this application.