Programmer Group

brief introduction Recently, there was a need for nine-picture control similar to WeChat circle of friends in the project. Github looked for it and found that they did not meet the needs. When I need a single picture, I can adjust it to a certain range according to the aspect ratio of the picture. Most open source projects have a single pictu ...

Add dependency: Establish entity class to obtain network return data Describe the interface of the network request get mode: Post mode: Action to initiate request: Reference blog: http://blog.csdn.net/carson_ho/article/details/73732076 GitHub address: https://github.com/yangtianfu2018/Retrofit2Project Code ...

In the Android manifest.xml manifest file, we can sometimes see the following configuration content similar to the beginning of the < meta data... > element: <meta-data       android:name="com.google.android.maps.v2.API_KEY"       android:value="AIzaSyBhBFOgVQclaa8p1JJeqaZHiCo2nfiyBBo" />   <meta-data  ...

brief introduction In some apps with payment function, the password can only be a pure number. Although we can specify that the EditText input box can only be a number, in order to provide user experience, we tend to use a custom pure number keyboard. Effect of this paper: Customize KeyboardView Implementation steps: ...

AudioH Android voice recording and playback processing, based on mediaplayer and MediaRecorder Realization function 1. Realize Android voice recording function (currently, the package only supports AMR format); 2. Realize Android voice playback function (handset and speaker playback); 3. Realize the caching of netw ...

ContentResolver For complete code see: longlong's github Standard format for content URI s: 　　content://com.example.app.provider.table1 　　content://com.example.app.provider.table2 The content URI is mainly composed of two parts: authority and path. The authority is generally named by package name. Path: disti ...

1. Download ndk ndk can be downloaded directly through sudio (tools - > Android - > SDK Manager - > SDK tools to download cmake and ndk) Or directly to AndroidDevTools Download and configure the environment of the ndk like the sdk. 2. Check Include C++ Support when creating a new Android project. It is estimated tha ...

As an Android Developer, I'm sure everyone is familiar with startActivityForResult(), so I won't teach you how to do it here. However, it is necessary to share with you the callback of startActivityForResult() in different activity startup modes. 1. The activation mode is standard <activity android:name=".ui.AAct ...

Preface ProgressBarAndroid is a real native encapsulation of the display progress component of Android platform, which is used to display the content loading progress in App. This article is mainly familiar with the following attributes: Color: set the color attribute value of the progress indeterminate: set whether to display ...

This article introduces how to use the external plug-in of RePlugin, which uses the simulation configuration in official demo2. Step 1: package the project that needs to be an external plug-in to generate demo1.apk Step 2: copy the apk to the host project assets/xxx /. The name of XXX is arbitrary and consistent Here is ...