happyChat development series: using websocket.io to realize the development of the big front-end of two-way communication

I. Preface Leliao is a complete application written by oneself with websocket. Although the function is relatively deficient, it realizes the basic functions of text chat, group chat, private chat, robot chat and so on. Because this has made its own PC terminal, wireless terminal (mobile terminal), and using cordova packaged into an android apk ...

Posted by rdimaggio on Tue, 07 May 2019 05:50:02 +0200

A wave of Flutter cool effects, continuous updates

Preface Implementing UI and interaction is a necessary skill for big front-end developers and a key point for mastering Flutter development. While learning from Flutter, we have achieved several cool UI effects commonly seen on clients. Although we use Flutter to build the original wheel, Flutter's cross-platform characteristics are incomparabl ...

Posted by automatix on Mon, 06 May 2019 20:30:03 +0200

scale Gradient Scaling for Android Basic Animation

Xiaocai recently learned about ViewPager's animation, which I am ashamed to say has not been carefully understood for so long. Today, I intentionally learn about Android's basic animation. Android's basic animations include alpha (transparency) / scale (zooming) / translate (displacement) / rotate (rotation). Learn about scale gradient zooming ...

Posted by s1m0n on Mon, 06 May 2019 08:45:04 +0200

Clever positioning of ANR issues

It must be that children's shoes that have been developed with Android have met anr (Application Not Responding).The general practice is to go to/data/anr/trace.txt and fetch the corresponding file.Then, find the result you want from this huge stack of information.But it's crazy to get a bunch of arn stack information. How can I find my problem ...

Posted by jplock on Sun, 05 May 2019 23:00:02 +0200

Android source download compilation

Four processes for Android source code compilation: 1. Source code download, 2. Build compiler environment, 3. Compile source code, 4. Run My environment here is Ubuntu 16.04 (64 bits), android version 8.1.0, space at least 150G (note) Source download As we all know, because Google is walled, we use domestic mirrors here to ...

Posted by bobocheez on Sun, 05 May 2019 10:08:04 +0200