(Customize the web page "Photography" button in webview to call the system camera photography API interface MyBrowserAPI CapturePhoto (filename), which calls the full pathname of the future returned photos in the web page JavaScript, tacitly allows the photos to be stored in the root directory of the system SD card, including every important code and JavaScript web page code and detailed description that needs to be added in the whole project. It is measured that the virtual machine and real machine of Android version 2.1-4.22 can be used normally.)