Recent Posts
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Android default keyboard does not pop up. The first entry does not pop up the soft keyboard by default, and the soft keyboard is hidden
When you enter an interface for the first time, when there is EditText in the page, it will automatically focus and po…… -
Kotlin extension — omitting findviewbyid
Now the kotlin Android extension can provide the same experience as these open source libraries without adding any add…… -
Android uploads pictures to the server okhttp one
（1） Upload pictures to server I ------------------------------- Android code （2） Upload pictures to server 2 -----…… -
Android EditText common properties Android non editable single line display can slide to view content
① EditText is an input box, which is a common control in Android development. It is also a way to obtain user data. ② …… -
Audio playback I
1、 Simple audio playback [project preparation] ① A video file. The location of the video file -- > create a new fo…… -
Broadcast send broadcast
① orderly broadcast: receiver a receives the broadcast and transmits it to B, and B transmits it to C for orderly tran…… -
Android uploads pictures to server 2 ———– call the permission above camera 7.0
（1） Upload pictures to server I ------------------------------- Android code （2） Upload pictures to server 2 -----…… -
Android modified the package name, resulting in an installation error
It was always thought that the original application on the mobile phone was not uninstalled completely. In fact, some …… -
Android error: too many padding sections on bottom border
[I thought I made a perfect. 9 picture, but I didn't expect that the. 9 picture still needs to be painted on the left …… -
Android studio code has no prompt and no color discrimination
① there is no color difference in Java code, which is unified black ② the code will not be associated with the prompt.…… -
Bottom navigation bar —– fragmenttabhost
1. Add a parent container on the main interface: fragmenttabhost 属于v4兼容包 需要指定该id为android:i…… -
Conversion between Android images, bitmap, drawable, res resource images
① res resource picture is the resource picture placed under the project res file ② for Bitmap bitmap, the suffix of ge…… -
Butterknife butter knife
[function] (1) binding field (2) you can bind components or arrays of groups (3) binding listener (4) bind resources (…… -
Android communicates between two apps through Aidl
① Android interface definition language (Aidl), which aims to realize cross process call. Process is the carrier of pr…… -
Android imgview properties
ImageView is a control for displaying pictures on the interface. ①android:src="@drawable/img1"； SRC sets the picture,…… -
Android contentobserver monitors changes in contact data
1. ContentProvider is a content provider Contentresolver is the content resolver (operating on the data provided by th…… -
Android gravity and layout_ The difference between gravity
Both are properties that set the alignment. The internal attribute values are the same. You can also understand the me…… -
Android studio installation and problems
[tip] a. the following Android studio2.2.2 versions. (there are also new versions) B. The following is the SDK that co…… -
Android color Configurator
If you want to set the color, you can directly set the background property or other color properties. Set any color, s…… -
Learn togglebutton and switch of Android together
With a simple example, this paper briefly describes the simple use of toggle button and switch in Android development,…… -
Learn Android viewpager together
This article briefly describes the common usage of viewpager in Android development with a simple small example, which…… -
Learning Android together
In Android development, the way of storage varies according to specific needs, such as whether the data is private to …… -
Learn Android asynctask together
In Android development, in order to facilitate us to perform operations in the background thread, and then send the re…… -
Learn Android handler together
In Android development, there are two threads: the main thread (UI thread) and the working thread (worker thread). The…… -
Learn Android HTTP access together
In Android development, the server-side information (storing and retrieving data in the network) is generally accessed…… -
Learn Android menu together
Menu is a common user interface component in Android development. By using menu API, users can provide common and cons…… -
Learn Android XML and JSON parsing together
In the network, data interaction is usually carried out in XML and JSON formats, so parsing the data in these two form…… -
Learn Android ProgressBar together
This article briefly describes the common application of the progress bar in Android development, which is only for le…… -
Learn Android animation together
With a simple example, this paper briefly describes the simple application of animation in Android development, which …… -
Learn Android audio and video together
The Android multimedia framework supports various common media types and can easily integrate audio, video and images …… -
Learn Android SQLite together
Android provides completely friendly support for SQLite. Within the application, any database can be accessed by name.…… -
Learn Android listview together
With a small example, this paper briefly describes the relevant applications of listview in Android development, which……