Android

A source code that imitates the travel application of Tucson and imitates the travel source code. I have been developing a Hybrid App. Recently, an apicloud development platform is very attractive and I have been paying attention to it. I carefully

Android ListView deletes an animation and androidlistview When the Android ListView is deleted, the deleted items directly disappear and are relatively stiff. Here we will discuss how to delete the animation; The following is the Activity code.

UIView common attribute application instances and uiview Application Instances The previous article mainly introduced several main attributes of UIView, namely frame, bounds, center, and transform. This article uses a simple example to verify the

Public Account-developer-custom menu-CLICK Event processing, developer-click Click the menu to push messages. The function is very simple. It took me a day. Note here. Menu code: {"Button": [{"type": "click", "name": "Today's songs", "key":

Hybrid device driver-output two-way PWM, hybrid-two-way pwmTry to use 2440 TOUT0 and TOUT1 output PWM to drive two motors. The hardware drive circuit of the motor is L298N.Test the PWM output of TOUT0 separately:(1) DRIVER: Use the misc Hybrid

Android practice-small DEMO (JAVA keyword learning) I. androiddemo The best way to learn technology is practice. There are too many things you can't see when reading a book. In practice, you may encounter problems that cannot be found in various

Simple horizontal ListView implementation (version 1.0), listviewversion Recently, I am not very busy with my work. I just made a small demo randomly based on my own wishes to implement horizontal ListView. The function is improved with the increase

In-depth source code analysis LruCache and source code analysis lrucache Introduction: many people recently mentioned in their blogs that they were asked during an interview, "what is the principle of LruCache ?", I found that I have never

Learning Objective-C and objectivec Learning Videos1. What is the difference between Objective-C and other languages? We know that the Objective-C language has evolved from Smalltalk, and Smalltalk is the father of the messaging language. What kind

Android development using Notification. Builder The main function of notification is the prompt function. For example, text messages and push messages. General steps: 1. Retrieve status notification bar management Icationicationmanager is a system

AndroidSharedpreference data sharing Data of one application accessing another application. The premise is that the data to be accessed must be globally visible. Steps: 1. Get the context of another application PackageName is the package name of the

Common compression technology for Android ImagesThe image upload function is currently being used to take images from the camera or select a photo album. I. Basic knowledge about images 1. File Format (that is, binary format exists on the hard

Keyboard monitoring on AndroidKeyboard monitoring Keyboard monitoring, as its name implies, is a detailed record of every movement on the device when the application is running, more real users can save the Screen Content in the specified folder

Configure Android annotation in Android Studio   The official Android annotation website has mentioned how to configure it in Gradle:Https://github.com/excilys/androidannotations/wiki/Building-Project-Gradle I also refer to the configuration above.

Summary of performance optimization during android app development The performance of a mobile app needs to be optimized from the development process so that the user experience can be improved. If we open an app and it is not smooth, this will

Android memory analysis toolGarbage Collection (GC) for some memory knowledge of Android) Garbage collection involves two processes:The determination phase, that is, to determine which objects can be recycled. The collection phase refers to a

Android preference SharedPreference-android learning Tour (6) SharedPrefenence uses key-value pairs for storage and internal storage.Instance Public class MainActivity extends Activity {private SharedPreferences sp; private CheckBox cb = null;

Modify the navigation bar at the bottom of the Android framework to dynamically display and hide the NavigationBar As we all know, Android 3.0 has been added to NavigationBar since version, mainly to provide virtual buttons for devices without

Android updates the UI in four waysPreface I believe that users who are new to Android development may encounter a problem. We started a thread and updated the UI in this thread, maybe a line of text is displayed in TextView, or the image displayed

RealtiveLayout of Android UI (relative layout)RealtiveLayout of Android UI (relative layout) Note: RealtiveLayout is the most commonly used layout manager in android Development (more frequently than LinearLayout ), the positions of child components