(The source code version of EasyTrust UI for Android, which can be used as a reference for the Android mobile phone interface, is not only the design of the interface UI, but also includes the file tool class, the mobile phone resolution is converted from dp to px, the height of the mobile phone status bar is obtained, the remaining amount of mobile phone memory is detected, whether there is enough space on the SDCard is detected, the thumbnail of the Bitmap is obtained, and the rectangle (here is just a way, just to determine whether animation is required.) This material includes the following accessories:)