Detailed explanation of the four operating modes of Android SharedPreferences

• Android

Detailed explanation of Android SharedPreferences

There are two ways to get SharedPreferences:

1 call the getsharedpreferences() method of the context object

2 call the getpreferences () method of the activity object

Differences between the two methods:

The SharedPreferences object obtained by calling the getsharedpreferences() method of the context object can be shared by other components under the same application. The SharedPreferences object obtained by calling the getpreferences() method of the activity object can only be used in this activity

There are four modes of operation for SharedPreferences:

Save data to SharedPreferences:

Read data from SharedPreferences:

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