Android

Xamarin + vs2015 Android development GPS loaction return null summary, xamarinvs2015 Recently, the company wants to develop android, so we have studied the GPS in Xamarin to android. Not much nonsense, but focus on it. To obtain gps information on a

Android Bluetooth operation details, android Bluetooth details1. Enable Bluetooth and make the device discoverable1.1 enable the isEnable () method to check whether the device has enabled the Bluetooth adapter before using an instance of the

Android development art Exploration Study Notes (3), android art Exploration Chapter 3 View Event System 3. 1 basic View knowledge 　　3.1.1 what is view View is the base class of all controls in Android. It is an abstraction of controls at the

Forty-eight practical Android skills: Java8 and kotlin on Android Java and Android are also in the dark.Things in the technical circle are often led by commercial interests.This is the only thing in the world.Java 8 Currently, Android Application

Generate an excel file in android It is said that programmers are not happy with product managers. In fact, sometimes some wonderful background developers will be uncomfortable. A recent project requires that an excel file be generated and then sent

Android Plugin-based foundation (4), dynamic startup of the Activity in the pluginAndroid plugin BASICS (4): ActivityAuthor in dynamic startup plug-in: Introduction to Zheng Haibo-mochuan How to dynamically start the Activity in the plug-in? First,

Uncle also said Xamarin ~ Android ~ Log Record, xamarinandroid No matter which platform or application you start, logs are always indispensable. you can also see uncle's log component in DDD. During mobile development in xamarin, logs are also

Analysis of Android source code design patterns and practices (19th)Chapter 2 combination mode The combination mode is also called the partial-overall mode, one of the structural design modes. 1. Definition Combine objects into a tree structure to

Android Developer: Memory Monitor demo This demo shows the basic usage and process of the Memory Monitor tool in Android Studio. Memory Monitors reports the Memory allocated by your app in real time. Its advantages: Display available and used

Call OpenCv through jni and directly call openCv for android to perform simple image transformation Check out that if you are prompted to install xxxx. mamager during the runtime, go to Opencvforandroid now. Unzip the package and install the

Details about ContentProvider components in Android I. Four Android Components The four main components of Android are Activity, Service, Content Provider, and Broadcast Receiver. Activity acts as a program interface and interacts directly with

Android advanced-sonic amplitude display, android advanced Amplitude Recently, a blogger wants to create an app with a recording function in the middle. As a result, the blogger wants to make the UI look better. When he wants to simulate or QQ voice

Android ASD components (1) and androidasd Components Google released the new Design standard Material Design after android5.0. In order to use Material Design in earlier versions, google released the Android Support Design Support library. Next, let'

Android-Icon navigation in the Operation bar, android-Navigation To enable the icon navigation up, take two steps: 1. Change the style --> the icon must be a clickable button with a left arrow. 2. Implement functions --> implement up navigation

Android SlidingTabLayout custom split line and indicator line color, android split line This article Reprinted with: http://blog.csdn.net/zhangphil/article/details/48863347 The default slide indicator bar of Android SlidingTabLayout is a default

Android pop-up menu and android pop-up menu Package com. example. yanlei. yl2; import android. OS. bundle; import android. support. v7.app. appCompatActivity; import android. util. log; import android. view. menu; import android. view. menuItem;

Android long press pop-up menu, copy, paste, select all, select all for android Package com. example. yanlei. yl2; import android. content. clipData; import android. content. clipboardManager; import android. content. context; import android.

Option Switch entry-third-party open-source-SHSegmentControl, open-source third-party platform Home address of SHSegmentControl on github project: https://github.com/7heaven/SHSegmentControl SHSegmentControl is easy to use and can be configured in

Android activity survival, Android activity survival The Activity class defines seven callback methods, covering every step of the Activity lifecycle. Let's take a look at them one by one.This section describes the seven methods.1. onCreate ()You

Build an android development environment and build an android Development Environment Development Environment Construction1. JDK 64 32 2. Eclipse myEclipse, studio 3. Android SDK (software developer kit) 2.3.3 4.1.2 (Android SDK is required for