Android
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Click event of item in recyclerview
The click event of each item of recyclerview is not encapsulated in the component like listview. When the click event …… -
Frame animation and gap animation of Android animation series
Android provides three kinds of animation: frame animation, gap animation and attribute animation. This article introd…… -
Spinner is simple and practical
public class Spinner extends AbsSpinner implements DialogInterface.OnClickListener <!--code display01--> <Sp…… -
Android imgview properties
ImageView is a control for displaying pictures on the interface. ①android:src="@drawable/img1"； SRC sets the picture,…… -
Logging tool class of Android utils
In the process of development, we often perform specific processing on the code, which may be used many times in the c…… -
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 avoids memory leaks
That is, the recycled memory is not recycled for various reasons and still resides in the memory. Maybe a small memory…… -
Butterknife butter knife
[function] (1) binding field (2) you can bind components or arrays of groups (3) binding listener (4) bind resources (…… -
Android opens the app again and enters the interface when pressing the home key to exit (thistaskroot)
After the startup mode of the Android settings page is singletask, when you press home to exit, reopen the application…… -
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…… -
Android BuildType obfuscation code
① after Android development is completed, we will package the code into APK file. Select the menu bar build -- build A…… -
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…… -
Detailed explanation of Android LinearLayout linear layout
In order to better manage the components in the user interface of Android applications, Android provides a layout mana…… -
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.…… -
Android studio uses real machine debugging – Open Mobile Developer mode
How to open developer mode? ① open mobile phone settings -- > System -- > about mobile phone -- > find the ve…… -
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 TSC thermal label printer printing
I don't know if you have encountered this situation. Some things want to be sorted out, but you don't know how to sort…… -
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 studio First Android project
Installing haxm Intel's hardware acceleration execution manager is a hardware assisted virtualization engine (hypervis…… -
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 -----…… -
JDK installation and environment configuration — the first step of Android Development
JDK, namely java development kit, is used to compile Java programs. In the process of contacting JDK, JRE also learned…… -
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…… -
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Audio playback I
1、 Simple audio playback [project preparation] ① A video file. The location of the video file -- > create a new fo…… -
Learning of Android web service request based on ksoap2
In fact, it is also the first time I have met this need because some ERP related businesses need such a request method…… -
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 …… -
Android importing other people’s project configuration problem – the project can’t run
How to create a new Android project? https://www.cnblogs.com/xqz0618/p/first_ app.html Import imports other projects. …… -
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…… -
Android uploads pictures to the server okhttp one
（1） Upload pictures to server I ------------------------------- Android code （2） Upload pictures to server 2 -----…… -
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…… -
Kotlin extension — omitting findviewbyid
Now the kotlin Android extension can provide the same experience as these open source libraries without adding any add…… -
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……