Android

Slide bar and status bar, slide bar Status Bar1 styles. xml source code 2 main layout DrawerLayout main layout activity_my.xml source code 2 layout on the right App_bar_main.xml source code content_main.xml     3 sidebar 3.1

Transparent notification bar for Android development and implementation, and android notification bar This feature is supported by andorid4.4 and can be used at least by api19. That is to say, if the Android host is lower than 4.4, the immersion

Memory reclaim mechanism of Android operating system  Running Environment of Android APP Android is an operating system for mobile terminals based on the Linux kernel. To adapt to its special needs as a mobile platform operating system, Google made

Click the confirm cancel dialog box for the event ., Click Event cancel dialog box 1 AlertDialog dialog = new AlertDialog. builder (this ). create (); 2 dialog. setTitle ("dialog box"); 3 dialog. setIcon (R. drawable. ic_launcher); 4 dialog.

Basic tutorial on Android-10.14 Android GPS1. Locate related APIs 1) LocationManager Official API documentation: LocationManagerThis is a system service and cannot be new directly. You need: LocationManager lm =

Basic Android tutorial -- attribute animation of Android animation collection-see1. Evaluator custom1) Evaluator Introduction The ValueAnimator in the previous section is simple and practical. The first step of using an animation is as

Android basic tutorial-9.2 MediaPlayer playing audio and video  This section introduces: This section introduces MediaPlayer in Android multimedia. We can use this API to play audio and video.This class is an important component in the Androd

Android-create a database to the SD cardSQLite comes with SQLiteOpenHelper, while SQLiteOpenHelper stores the database to/data/package name/databasas, in this case, the SQLite database cannot be seen on a mobile phone without a root user. So, in

Basic Android tutorial -- 13 Drawable types in Android 8.1.2 summary Part 2This section introduces: In this section, we continue to learn about Drawable resources in Android. In the previous section, we

Practical Use of Axure to design the App and use WebStorm (5)-implement the page function, axurewebstormSeries of articles Practical Use of Axure to design apps and use WebStorm for development (1)-use Axure to describe requirements Practical Use of

Image Filter art-squeeze filter, filter Pinch Pinch filter the Pinch filter uses Coordinate Transformation to achieve the effect of squeezing and deformation from an image within a certain radius of R at the center of a certain point (cenX,

Android application process-to-process communication: Messenger usage and source code analysis, androidmessenger 1. Background This knowledge point is a low product. At the beginning, I want to analyze it as a knowledge point in the previous article

Image Filter art-nostalgia style filter, filter-nostalgia Style This article introduces the code implementation of a special filter effect. The filter effect is not much worse than the filter effect of the old photos we introduced earlier,

Locate the target instance and find the target instance. # Import "ViewController. h" // Import the CoreLocation framework before positioning # Import @ Interface ViewController () { // Locate the class CLLocationManager used CLLocationManager *

Simple tutorial for Android-46th guns (a compass for custom controls)Preface As an innovative developer, you will sooner or later find that the built-in controls cannot satisfy your imagination. With the ability to expand existing views, build

Android ViewGroup touch event Transfer MechanismIntroduction In the previous blog, we learned about the Android View touch event transfer mechanism. If you are not familiar with it, you can View the Android View touch event transfer mechanism. We

Android development Bundle usage, android development bundle In android development, we often need to transmit data between two activities. The most common method is to useintent.putXXX()But in many cases, we will also: Bundle bundle = new Bundle();

IOS live video/Smart Home (one line of code, starting from scratch) lesson: 1 overall architecture, ios Smart Home Some time ago, a live video/Smart Home application was required for work. This is a summary of streaming media processing in the IOS

Android uses handler to send messages between threads (between the main thread and the sub-thread) and (between the sub-thread and the sub-thread) Keywords: Android uses handler to send messages between threads (between main thread and sub-thread), (

Explanation of client request server in Android (1) with source code In Android, client requests are sent to the server in two ways: Post and Get.The source code is as follows:(1). Post method: /*** Post Request Method ** @ param model * request