Recent Posts
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Android groundoverlay picture not rotated
About placing images on maps with boundaries, the Google Maps document states: But in my code, I have this: Ground…… -
Xamarin Android binding YouTube video player compilation error
I want to bind YouTube androidplayerapi.jar to my xamarin Android project. I added YouTube androidplayerapi.jar under …… -
Android – how to check whether the user in the location application has closed the location service in real time
I am developing a tracking application using the converged location API. I want to programmatically check whether the …… -
The Android color selector is not available for Android 4
I have a defined drawable resource (RES / drawable /. XML), which contains the defined color resource (RES / color /. …… -
Android – how to use new compiled statements in sqldelay with sqlbrite?
Since sqliteopenhelper instance cannot be obtained from britedatabase, how to create compiled insert / update / delete…… -
Android: alertdialog closes only after the second click of any button
I have an alarm dialog box with input fields and two buttons (restore, save). When I click the back button on my phone…… -
Android GPU and CPU programming: inconsistent processing time
I am currently doing image tracking: due to the camera, I can track the finger touch interacting with the Android syst…… -
What does attaching uimode to Android: configchanges actually do?
I just fixed the error in our application. The problem is that docking or undocking the device will cause the applicat…… -
Why does bufferedinputstream. Read() return – 1 in Android nougat when used to return 0?
When testing the application on Android N devices, I found many new problems related to the way I use bufferedinputstr…… -
Android broadcastreceiver to detect screen on / off and service failure
I really need help with my problem I have a simple broadcastreceiver that can be used to detect the opening and closin…… -
Check whether the dynamically added TextEdit contains text in Android
I rewrite onfocuschanged to determine the TextEdit that has just lost focus. The key is to delete this TextEdit (if th…… -
Android kotlin MVP class delegation
So I have the following situations: class NowActivity: AppCompatActivity(), NowScreen, NowDelegate by NowDelegateImp…… -
The meaning of the Android studio check box in the property window layout editor
Just updated to the latest version (2.2) and saw the check box that can be selected in the properties window. You can …… -
Rxjava schedulers. Immediate() behavior during unit testing
I'm trying to write tests for Dao objects that use a reactive interface. I have a table containing recipes. I want to …… -
Scrolling in clips is not available for tablayout
I insist on scrolling the fragment into the layout. This is my mainactivity class public class Mainctivity extends…… -
Android realm supports Maven or has the latest resources of jar
I have a strange use case here. My project is divided into two modules, one is the server project and the other is @ L…… -
Java handlerthread is not running in the background?
I'm trying to learn how to use handlerthread to run things in the background. I have a button in the clip. When I clic…… -
Color difference of Android ratingbar on different devices
I have a ratingbar <android.support.v7.widget.AppCompatratingBar android:id="@+id/rating" …… -
Android rxjava / rxbinding – check if the subscription exists
I am using rxbinding and creating a subscription in the recyclerview adapter of the onbindviewholder method. The subsc…… -
Barchart with mpandroidchart: bar chart not visible
I'm using MPa Android chart to generate a simple bar chart in the collapsed toolbar. When I add an item, the value of …… -
JSON conversion exception of Android Java object
I face JSON conversion exception. When I convert JSON to Java object This is my JSON [ { "PrefrenceId":"2…… -
How to refresh resources in Android studio without restarting?
I'm resizing and changing the background picture. However, layout preview will refresh the image every time I have to …… -
Suggestions for novices to learn java
Many friends are asking me the same question: how can novices learn java well I made a simple summary to share with yo…… -
About Preparedstatement Addbatch() method (transfer)
There is not much nonsense about the difference between a statement and a Preparedstatement. Let's directly talk about…… -
[Java language] HashMap, HashSet, hashtable, vector, ArrayList
These commonly used but easily confused concepts are derived from Java Util package. This paper only makes a shallow a…… -
CentOS 7 installation and configuration MySQL
MySQL version introduction Quick install MySQL Uninstall MariaDB Query the MariaDB of CentOS 7: rpm -qa | grep mariadb…… -
Introduction to JavaBean and simple examples
If you can't write JavaBeans, you're not a java developer. So, what is a JavaBean? JavaBeans are Java components that …… -
Set frame learning notes < 2 >
1. What is ArrayList ArrayList is a legendary dynamic array. In MSDN, it is a complex version of array. It provides th…… -
java. util. concurrent. Future Basics
Hereby I am starting a series of articles about future concept in programming languages (also kNown as promises or del…… -
Sleep () and thread. In the timeunit class sleep()
What is timeunit? Timeunit is Java util. A class under the concurrent package, timeunit, provides a better readable th…… -
Android open source library for GitHub top 100
Absrtact: this project mainly introduces the top 100 Android open source libraries on GitHub. As for the ranking, it i…… -
Delay jump of Android page
When android app is used for the first time, the home page logo of the app often appears, and then enter the navigatio……