Android uses alertdialog to realize the information list single selection and multi selection dialog functions

When using alertdialog to implement single selection and multi selection dialog boxes, set setsinglechoiceitems() and setmultichoiceitems() functions respectively.

Here are the main codes:

Data source array:

Main codes in activity:

Click event:

Corresponding method:

(1) The showalertdialog () method realizes the radio selection effect, and selectweatherid sets the location of the selected entry

(2) Showmultidialog() method to achieve multi selection effect

The above is the main method of implementation.

The effects are as follows:

Single choice:

Multiple choices:

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