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Sometimes we want to adjust the preview direction of Camera according to our own needs. Which API can we call to achieve our goal? Let's take a look at some cute photos taken in the following picture, which are taken in normal direction, 180 degree rotation and 90 degree rotation.          (normal ...

Animated scenes Transition animation is the animation when switching routes There are several ways to do this Inherit PageRoute, copy 5 abstract methods and abstract buildtransition Inherit existing system classes, such as MaterialPageRoute or CupertinoPageRoute Once and for all, use the pagetransit ...

According to the previous article: https://blog.csdn.net/qq_41966009/article/details/104441452 Write the corresponding details according to the corresponding functions. 1. The client and server communicate with the background server (java background) respectively 1.1 communication between client (An ...

1. Built in colors in ionic4.x primary secondary tertiary success warning danger dark medium light Only one color needs to be remembered, such as success, because it can be found in the project Use of color: directly add color to the label, enter i-color to enter the drop-down prompt, you can ...

Preface Originally notified to resume work this Monday, it seemed that things were not simple, and it was postponed to next week's 1, but I still had to work from home for some time. Yesterday, some fans asked me why I didn't change my mind. Yesterday, I went to the company in batches for an afternoon meeting. All the people in batches had mas ...

Range adopt Interpretation of RFC4575 protocol In this paper, we understand that the conference status information is notified to the mobile terminal through the NOTIFY message, usually in the format of xml. Chip manufacturers have implemented this part of functions when providing the source code. Thi ...

Dependent environment: java ✗ java -version java version "1.8.0_111" Java(TM) SE Runtime Environment (build 1.8.0_111-b14) Java HotSpot(TM) 64-Bit Server VM (build 25.111-b14, mixed mode) python $python --version Python 3.6.4 node.js $node -v v10.6.0 If not, install with the following command: $brew install node and ...

Recently, I met a customer's demand that when I was taking a pre shot, I didn't need a mirror preview, and I didn't need a mirror image for the photos I took. For koppelin, the reason for the front image is to let the lens face itself. When the mirror is used, it is specially designed in this way. Since ...

flutter can communicate with native to help us use the capabilities provided by native. Communication is bi-directional. We can call dart code from native layer and native code from fluent layer. We need to use Platform Channels APIs for communication, mainly including the following three types: Me ...

I have a TextView that I want to add black borders along its top and bottom borders. I try to put android:drawableTop and android:drawableBottom into textview, but this will only cause the whole view to turn black. <TextView android:background="@android:color/green" android:layout_width="fill_parent" android:layout_height="wra ...