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Guide reading 1. Basic knowledge of network operation 2. Basic knowledge of JSON 3. Request data and analysis from the server Basic knowledge of network operation Basic knowledge of JSON A bracket represents a collection, and a curly bracket represents an object Request data from server and parse JSON me ...

In Android development, resource files are generally divided into two types: 1. The resource file that can be compiled is placed in res directory, such as layout file. This resource file system will automatically generate the ID of the resource file in R.java, which can be accessed directly through R.X.ID. 2. Keep the original file format of ...

1, History of development 1G analog mobile phone, voice only2G digital mobile phone, adding functions such as receiving data3G smart phone has become a new generation of mobile communication system that integrates voice communication and multimedia communication, and includes value-added services such as image, music, web browsing, conference ...

A few days ago, I went to the property management office to pay the property fee. The property management staff said that the community introduced high-tech products. After using the bank card for consumption, I didn't need to sign on the UnionPay machine with a pen. I directly touched with my finger to sign the consumption. At that time, I tho ...

Beginners are most likely to be confused by the code when they first touch the code, so they should give the minimum generation of core code for beginners, first make clear the core code, and then expand the knowledge, so that the learning effect will be better. There are a lot of codes on the Internet, which make begi ...

Let's use the following example to show how to use this Animation custom Animation. In the figure, we can see that the small ball is rolling downward with the track, and the splicing between the track and the track is realized by the second-order Bezier curve. The small ball simulates the gravity effect and the acceleration rolling downward. ...

1. Soft decoding implementation: JNIEXPORT int JNICALL Java_h264_Native_PlayLocalVideo(JNIEnv *env, jobject obj,jstring inputFilePath_,jobject surface) { const char *path = env->GetStringUTFChars(inputFilePath_, 0); av_log_set_callback(ffmpeg_android_log_callback); av_register_all(); int ret; AVFormatContext *fmt_ctx ...

First on the renderings The effect of sprinkling beans, a whim, thought the animation was very interesting, so I took the time to write a play Drawing process: Define 6 "beans". Each bean has its own attributes, size, throwing speed, etc. then control the direction and state of each bean. The rebound effect uses the differencing devi ...

Method 1: use the system control ViewFlipper mode: Layout file: <ViewFlipper android:id="@+id/view_flipper" android:layout_width="300dp" android:layout_height="35dp" android:layout_centerInParent="true" android:autoStart="true" android:background="@drawable/warning_bg" android: ...

Preface I believe that we will find that many web pages have such functions in our life. One second ago, we were still on the web page, and one second later, we inexplicably entered their APP. So how does this effect work? After careful study, I found that android:scheme attribute is used to complete the function. Here's my personal opinion. ...