# Open half screen Weixin Mini Program

Start support from the base library 2.20.1

When Weixin Mini Program needs to open another Mini Program for the user to perform shortcut operations, the Mini Program that will be opened will jump in the form of half screen.

# Calling Process

# Open half screen Weixin Mini Program

1. 2.23.1 The following version of the base library , developers need to configure the global "apagejson'of' [[TAg-4-START]] embeddedAppIdList`"Field declaration requires half screen jump Weixin Mini Program, if not configured will switch to ordinary Mini Program jump Mini Program. 2.23.1 and above does not require .

Example configuration:

{
  "embeddedAppIdList": ["wxe5f52902cf4de896"]
}

2. Developers use the wx.openEmbeddedMiniProgram half-screen jump Weixin Mini Program.

# Half-screen Weixin Mini Program Environmental Judgment

wx.getEnterOptionsSyncapiCategory'parameter, when the value is'embedded, it can be judged that Weixin Mini Program is half screen opened.

# Return to original Weixin Mini Program

A Weixin Mini Program opened by half screen can be returned to the previous Mini Program by calling wx.navigateBackMiniProgram .

# Restrictions on Use

The use of the process has the following restrictions, if you do not meet all the following conditions will be automatically switched to the ordinary Weixin Mini Program jump Mini Program, does not affect the user use:

1. Weixin Mini Program that is bounced by half-screen requires an application to call the source Mini Program. Developers can initiate an application in the Settings - Third Party Settings - Half-screen Mini Program management section of the Mini Program management back-end. Up to 100 Mini Programs can be applied to be added (a single Mini Program can be added by up to 2000 Mini Programs);
2. Weixin Mini Program which is opened by half screen in the following version 2.23.1.apagejson'Declaration in the'embeddedAppIdList"field;
3. Currently Weixin Mini Program needs to be a vertical screen;
4. The Weixin Mini Program that is jumped by half screen needs to be a non-personal subject Mini Program (excluding MiniGame).