Programmer Think

Last time I talked about Activity, this time I talked about ContentProvider, one of the four components of Android 1. What is ContentProvider ContentProvider is one of the four components of Android content provider Function: data interaction & sharing between processes, i.e. cross process communication 2.uri introduc ...

Because video rendering is essentially about displaying pictures one by one, the first step in learning is to learn to display pictures. This time we use three different ways to display a picture. ImageView ImageView is the easiest and most common way to use it. context?.let { image.setImageBi ...

Find all directories ls -F | grep "/$" -F File type. Indicates that a symbol is added after each enumerated item to mark the File type. / indicates a directory; @Indicates a symbolic link to another file; *Indicates an executable ls -l -F /usr/lib Some of the results are as follows: -rw-r- ...

1, Operation steps: 1. Set recording related parameters, audio acquisition source, sampling rate, channel and data format companion object{ private const val TAG:String = "OnlyAudioRecorder" private const val AudioSource = MediaRecorder.AudioSource.MIC//Student source priv ...

Preface Some companies may not go to the App store after developing an App, but they also need to regularly maintain and update later, so they will choose to publish the packaged apk to their own servers, and then build a version number table in the database, and then the rest will be handed over to ...

Recently, I am working on Xamarin Forms project. I believe you are unfamiliar with Xamarin. In fact, it is also a cross platform technology. Please refer to the following official document to understand. What is Xamarin.Forms? Xamarin.Forms is an open-source UI framework. Xamarin.Forms allows deve ...

MT6739 Android 8.1 modifies the mtkcam of HAL layer to avoid the camera cutting and stretching the unsupported resolution CVBS camera is used in the project, and then mipi camera is used. NTSC and PAL cameras are used. Interlaced scanning has a special resolution. 720x240960x240 x240x240x240x2720x2889 ...

1. Date Compatibility Under Android Date.parse(new Date('2018-03-30 12:00:00')) Under ios system Date.parse(new Date('2018-03-30 12:00:00')) Conversion is not possible. Solution (compatibility writing) Date.parse(new Date('2018/03/30 12:00:00')) || Date.parse(new Date('2018-03-30 12:00:00')) Encapsul ...

On the front road, accumulate slowly 1. Get the parameter value passed by the URL through the parameter name Method 1 GetQueryString:function(name){//Get the parameter value passed by the URL through the parameter name var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)", "i"); var r = window.location.search ...

TextToSpeech is the text to speech service, which is a native interface service provided by Android system. The native tts engine application can download the resource file of the corresponding language through detecting the system language, so as to achieve the ability of broadcasting the text of the s ...