Android
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Reactnative (API) asyncstorage storage details and examples
Asyncstorage storage is similar to shared Preference Storage in Android or nsdefaultuser in IOS, but asyncstorage in r…… -
Android realizes app environment separation (using gradle)
1、 Introduction to environmental separation Each app project will have at least two environments: test environment an…… -
Customize popupwindow in Android to realize pop-up box with animation effect
Use popupwindow to realize pop-up box with animation effect First, customize popupwindow R.layout. lost_ pop_ Menu fil…… -
Method of realizing sliding distance listener in Scrollview in Android
preface As we all know, Scrollview is a UI control we often use. Maybe you will find that when you want to monitor the…… -
Android realizes self-made and playing recording program
First, let's take a look at the screenshot of the implementation: When a recording file exists, it will be displayed i…… -
Android enables camera shooting, selection and image clipping
Some recent learning experiences: Function realization: after clicking the round avatar, you can upload the album or t…… -
Android creates tabs with fragment
This paper combines the previous practice of dynamically creating fragments to realize the creation of a tab @ h with …… -
In depth analysis of the difference between service and thread in Android
Service is neither a process nor a thread. The relationship between them is as follows: Some friends may ask, since it…… -
Android phone screen adaptation solution
0. Preface Android screen adaptation, even if a certain element has the same display effect on Android phones of diffe…… -
Android custom view implementation method of click and double click events
Custom view, 1. Customize a runnable thread toucheventcountthread to count the hits within 500ms 2. invoke the thread …… -
Obtaining contact information display and echo of Android mobile guard
The previous article has implemented the relevant layout, and this paper then implements the relevant functions Read t…… -
Android get HD app icon code sharing
There is only one way for Android to obtain HD app icons. The details are as follows The above is the whole content of…… -
Android custom control to achieve a small ball moving with your finger
A small demo about custom controls, a small ball moving with your fingers. First look at the renderings: The implement…… -
Basic learning of frame animation of Android animation
preface In Android, there are two ways to implement Animation: tween animation and frame animation. Gradient animation…… -
The Android Application “R file” disappears
In fact, Android maintains this public final class R class mainly with new resource files. This r.java does not need t…… -
Andorid calendar control library, which can slide left and right to display Gregorian calendar, lunar calendar, holidays and other functions
Cover image: Demo effect drawing Source directory structure Features Use steps Gradle Dependency Add the library to yo…… -
Android sweet alert dialog
Android's native dialog is too stiff. I saw this effect before, but I haven't used it. I recommend it to others today.…… -
Singleton mode of Android design mode series
Singleton mode is the simplest of the 23 design modes of GOF. Compared with other modes, this mode is relatively indep…… -
Android imitation Renren sliding sidebar effect
In order to save space and display sufficient information on the interface, most applications use the sidebar, as show…… -
In Android, the left half of the video screen slides up and down to change the brightness, and the right half slides up and down to change the sound
explain: Implementation functions: (1) The right half of the screen slides up, the sound becomes larger, slides down, …… -
Android solves the problem of build path errors
After creating an eclipse Android project, such as test2, copy several packages from other projects into test2. The fo…… -
Write led-ndk program for Android driver
1. First write Linux kernel module led 2. Header files need to be generated. Generating header files requires an appli…… -
Tips for using coordinatorlayout in Android 5.0
Coordinatorlayout implements a variety of rolling effects mentioned in material design. At present, this framework pro…… -
Combination mode of Android design mode series
The application of composite mode in Android can be seen everywhere, that is, the use of view and ViewGroup classes. I…… -
Detailed explanation of Android native embedded react native
1. First integrate the project directory I use the format of react native init project to import directly, that is, my…… -
Classic method for exiting multiple activities in Android
1. Use the list collection method Save the activity instance with a list and kill it one by one Add similar code in on…… -
Android custom view implementation of letter navigation bar code
Train of thought analysis: 1. Custom view to implement letter navigation bar 2. Listview implements the contact list 3…… -
Android easy implementation of speech recognition details and example code
Using intent to call the speech recognition program explain Android mainly realizes speech recognition through recogni…… -
Combination of tabhost and viewpager in Android to achieve home page navigation effect
Today, I sent tabhost and viewpager to achieve the effect of navigation at the bottom of the home page. Although there…… -
Android develops imitation scanning to realize the photo function in the shooting frame
It is modeled on the current scanning form, surrounded by translucent shielding, and then fully transparent in the mid…… -
Android ratingbar control usage details
MainActivity. java activity_ main. xml The above is all about the detailed usage of Android ratingbar control brought …… -
Method of removing the same object element from the ArrayList container
I found the retainAll method on the Internet Then add it to the code Then I found that I can't. I checked a lot of thi……