Android

JNI technology BASICS (1) -- writing JNI code from scratch and jni from scratch As we all know, the biggest feature of Java programs is its cross-platform feature. The compiled upper-layer applications can run on different platforms without any

Android Development Series (9): Create a database and complete simple CRUD operations, androidcrud This blog post mainly implements simple database creation and CRUD operations. First, create an Android Project named db 1. Complete database creation:

Android exploration: the combination of SimpleAdapter and Bitmap First, we know that in Android, the Adapter itself is an interface, which derives many subinterfaces, which are implemented by many specific classes to achieve specific display effects.

Whistling Android tutorial [continuously updated], whistling android This course is an Android tutorial in the whide Open Course "get free education promotion. It is still being updated. The biggest feature of this video set is its practicality. I

Solve the Problem of VM heap and VMheap get a simple image display program today LinearLayout linearLayout =(LinearLayout)this.findViewById(R.id.LinearLayout1); for(int i=0;i The physical machine runs normally, but the following problems

Calabash-android pre-defined steps, calabashandroid The canned_steps.md In the Calabash-android directory lists a series of predefined steps, which are defined in the calabash-android \ steps \ directory. This article describes the steps and usage. 1

Android determines whether the Service is running. androidservice private boolean isServiceStart() {ActivityManager myManager = (ActivityManager) getApplicationContext().getSystemService(Context.ACTIVITY_SERVICE);ArrayList runningService =

Learn android and androidintent from scratch Intent is a very important part of android, which is widely used in Activity and service. 1 Public void startActivity (Intent intent) Normal Start an Activity and transmit data through

Android prevents decompilation and Android Decompilation as we all know, Android is easily decompiled, even though it prevents many code decompiling, currently, the most widely used method is jni, which puts the core code in c ++ and then makes

Android app-imitation Meituan loading animation, androidloading Preface Presumably, the users who used the Meituan client were very impressed with the animation of the Meituan villain, and a cute villain was desperately running there. There are

Offline Android Development Environment Installation Method The SDK downloaded from the official website is actually a Installation tool, which does not have any content. It will take a long time to install it online. We can also download all the

How can I use the Google Volley network library to initiate HTTP requests with headers ?, Volleyheader By Long Luo Since the data source update speed of the partner's third-party iQiyi video is very slow, it provides a new API through feedback with

Android external Library Reference Library project structure a library project is a project that contains source code and resources. It can be referenced by other projects, so that other projects can use the code and resources it contains. Multiple

Rotating Screen Control and iOS6 skills for ios6 In iOS5.1 and earlier versions, we usually useShouldAutorotateToInterfaceOrientation:To independently control the orientation of a UIViewController, such: -(BOOL)

Best practices for Android graffiti In Android, there are two ways to implement gesture plotting. One is to draw directly on the View, but to use SurfaceView. There are some differences between the two. View: display View, built-in canvas, provides

Android AsyncTask usage Comparison between AsyncTask and Handler 1) AsyncTask implementation principle, and applicable advantages and disadvantages AsyncTask is a lightweight asynchronous class provided by android. It can inherit AsyncTask directly

The Linux kernel driver compiles multiple C files into one ko file. Each C file contains module_init, module_exit, and moduleinit. Take two C files as an example: Compile adc_device.c and adc_driver.c of adc_device.ko and adc_driver.ko into a ko

Android UI component (1)-buttons with progress bars Android UI component (1)-buttons with progress bars     This section introduces: This series is an advanced series following the Android UI component instance list, in which we will further

Scroroller application: ListView sliding deletion, scrollerlistview1. Design Ideas In Scroller's application-Sliding Screen implementation, scroroller is used to achieve sliding screen effect. Here, scroroller and ListView are used to achieve

Cases triggered by the Android Touch event Transfer Mechanism   I have also written two articles about the Android Touch event transfer mechanism. I think the Touche event is still well understood, but I have encountered a problem recently, let me