How to unlock Android background applications

The unlocking method of background application in Android system is as follows:

1. Open the Android phone and click the menu button?

2. The background running program icon pops up.

3. Press and hold the icon of the application to unlock, and then pull down to unlock it.

4. At this time, the lock sign in the upper right corner of the application icon will disappear, indicating that the unlocking is successful.

5. After unlocking, you can use the one-button cleaning function to clean the application in the background.

Extended data

Android is a free and open source operating system based on Linux, which is mainly used for mobile devices, such as smart phones and tablets. It was led and developed by Google and open handset alliance. At present, there is no unified Chinese name. Many people in Chinese mainland use "Android" or "An Zhi". Android operating system was originally developed by andy rubin, which mainly supports mobile phones.

Usually, an Android application consists of multiple activities. These activities can jump to each other. For example, after pressing a button, you may jump to other activities. Slightly different from web page jumping, jumping between activities may return a value.

Now andoird smartphones have become arcades, and every mobile phone is a secret. Once the mobile phone is not around, anyone around you can read your privacy, emails and text messages. Qq records, etc. Android App Protector provides protection for applications, and only those who know your password can use your mobile phone. This program is simple and practical, and it is completely free. How to use it:

1. After installing the application, open the application and set the initial account and password.

2. Enter the application to be set, select the application to be protected, and turn on the protection switch.

3. Press the phone back key to exit the application, restart the phone, and the protector will start working.

Baidu Encyclopedia: Android? Baidu Encyclopedia: A Desktop Application Lock