android ui design standards

strong into viewgroup before use.SummaryUsing the combined pattern, we can apply the same actions on the combination and the individual objects, in other words, in most cases we can ignore the differences between the object combination and the individual objects. The combination mode is suitable for the structural design of some interface UI, and the typical example is that

(visible in the table above in Samsung Galaxy S II).　　"What to test"Mobile apps must provide the best user experience and are displayed correctly (UI testing) on a variety of smartphones and tablets in different sizes and resolutions (keyword "responsive design"). At the same time, apps must be functional and compatible (compatibility testing) with as many device specifications (memory, CPU, sensors, etc.)

Activity is the basic component of the Android application user interface. The activity itself does not, however, provide a user interface (Interface). From the program structure level, an Android application is an instance of class Android.app.Application, application can contain multiple android.app.Activity instances. Each activity takes a window class that does not provide much functionality on the

(); When to use this thread: The process ends when you finish one task. The frequency of this task is not high, for example, reading image data from the SD card. No need to reuse threads When using a thread, it is best to add a name to the thread so that the height and tracking can be used. Threads with message loops: Such a thread has a message loop. When there is no message in the message queue, this thread will be suspended. To do one thing, you only need to send a message to it. This is

undertake two layouts or different functions of the conversionZ Axis:The new z-axis concept has been added to the previous x, Y axis in Android l, with the z-axis to make more stereoscopic controls.To adjust the height of the z-axis according to the button stateby setting a different z-axis for each view in the layout, you can make the layout more stereoscopic and highlight the focus. Compatibility:To accommodate the changes in material

application, regardless of what the current user is doing (for example, calling ). That behavior should not appear for applications or users. To avoid these problems, your application should use appropriate system resources to notify users --NotificationClass. UseNotificationYour application can displayIcon, instead of capturing the focus and interrupting the user. Another example of smoothness problems is the failure to correctly implement the onpause () and other life cycle methods of the act

modify the contronler Activity code and Model) the business logic code in the WeatherModel model separates the business logic from the interface display. In the Android project, business logic and data processing have assumed the role of Model, XML interface display, View, and Activity as the controller. The Controller acts as an intermediate Bridge. It communicates with views and models through interface communication. When is the MVC

Android app architecture design 01, androidapp1: This article has been excerpted, 12345 -Consistency of requirements, designs, and codes during development-the entire program has a uniform style, such as a dialog box style, button style, tone, and other UI elements-the specific and unified structure of the entire program, for example, when different

Android app architecture design 02, androidapp Ii. Try to place the tool class and BaseActivity in the specified position during the opening process, DateFormatBitmapNotificationShared PreferenceEnvironmentDevice III:2.2 Task Management The thread is just a mechanism to ensure that the tasks we want to complete do not run in the UI thread (that is, do not block

[Architecture] Architecture Design of Android mobile appPreface Architecture, also known as software architecture, is an abstract description of the overall structure and components of the software, used to guide all aspects of the design of large-scale software systems. Software Architecture Design goals: 1. reli

The previous essay with (Android design casually say) then said what is the design and design principles, here to give a simple example to further say Android design. We use the App Store desi