Recent Posts
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Java – navigationdrawer with background image
I want to have an image in the background of the drawer behind the menu. In this code, the image is in front of the me…… -
Android – Google awareness API v9.6 missing
I'm interested in the new map style feature, which is added in the 9.6 Google play services version, but I'm also usin…… -
Program type already exists: android.support.v4.app.inootificationsidechannel $stub $proxy
I know it may look like this question, but I can't solve the solution it proposes, and I can't comment on it. The erro…… -
Android – use the firebase cloud function to read data from the cloud firewall?
I am an Android Developer. Recently, I began to study projects based on firebase cloud function and firestore database…… -
Android – how do I hide image buttons?
I have an imagebutton. I want to hide the button in oncreate method after 5 seconds. Can anyone help me resolvent: onC…… -
BlackBerry – use GPS and Google maps to evaluate the port of the android app
Suppose I have an Android application using Google maps and GPS. Use custom views and timers How long does it take to …… -
Android – flip the Y axis in OpenGL es?
I try to draw orthogonal mode with OpenGL es, and the point (0,0) is in the lower left corner of the screen. However, …… -
Android – job scheduler vs runnable: downlink?
For regular background tasks, I see that jobscheduler is often used. Or, there are jobservice and AlarmManager for sli…… -
Android – how do I start an activity when the main activity is running in the background?
I created an application that allows users to set whether to receive notifications when the application runs in backgr…… -
Android – unable to generate signed APK – taskexecutionexception failed
I'm in the final step of making my application. When I try to build and generate a signed APK, I get this error log fr…… -
Android – how to separate firestore listeners
I'm new to firestore. I created a listener registration to update my recycler view. I know my implementation may not b…… -
Android – i-jetty or jetty
I have a web application hosted on an Android device. I am currently using the simulator provided by Android SDK. My a…… -
Android – communication between tabactivity and embedded activity
I'm trying to find out the best communication practices between the activity and the child activities embedded in this…… -
How to set Android source code when hosting git tree as private repository on GitHub?
I'm trying to build a private repository of Android source code, and hosting git tree on GitHub as a private repositor…… -
Android – change the text of the button in the program
The text on my button is set in the resource file. For example <Button android:id="@+id/up_button" andr…… -
What is KTX (kotlin extension library) and why is it becoming more and more popular in Android development
How to start with KTX for Android? resolvent: Android KTX - a set of extensions designed to make Android kotlin code w…… -
Android – rxjava2 converts flowable to single
How to convert flowable to single? Or, if there is another way to make it stop emitting light after the first response…… -
Android – use onbackpressed() with backward compatibility
I want to use onbackpressed() method. I still hope to provide support for Android SDK before 2.0. Onbackpressed() was …… -
Java – how to add the final integer variable?
Eclipse is providing final, but I can't add the I variable @Override public void onClick(View v) { final TextView …… -
Android – how to specify different layout sizes for different densities
Can you tell me how to specify the layout size of different density screens? That is, the layout of different densitie…… -
Java – how to draw a border around MapView
I try to draw margins around MapView when I click a button So that's what I've tried. It doesn't work. MapView is in a…… -
Java – returns the primary activity from any activity on the Android application
I'm developing an Android application with an action bar and a dashboard When the user clicks the "application logo" b…… -
Android – show ProgressDialog questions in nested tag activities
I have nested tag activities Tabmain (tabhost), I have childtab (another tabhost) and two other activities I can displ…… -
Android – no intention to delete / replace
I set the alarm clock when I click the button The alarm is triggered by intent This intention gets an additional "int"…… -
Android – intent.putextra (intent.extra_shortcut_icon, BMP) image off center
I encountered some problems creating shortcuts on my android desktop First of all, I have a 72 × 72 icon, I load the b…… -
Android – prevent “flicker” when calling drawable. Draw()
I have a small experimental application (basically a very simplified version of lunarlander demo in Android SDK) and o…… -
Java – intentional Android contact information update?
I can use putextra to transfer information as additional data to create a new contact with intent. Can I use informati…… -
Android – how do I display alerts within an active group?
My application has a tab bar. In order to maintain it, I use an activity group. When I click these tabs, I must displa…… -
Android – connect points on the map with lines
I have three GPS points in the android app. How do I set up a map to connect the first and second with the red and the…… -
How do I use cursors to retrieve data from a database? (Android,SQLite)
I'm stuck. I can't find out what I did wrong, so please help anyone. Although this is a very simple task, I don't unde…… -
Java – how do I convert a string to the int value of the const class?
I have variables: String colorName = "BLUE"; I want to set this color to paint in the Android application. It should…… -
Java – how do I know if my phone is charging
I need to know (through my app) whether the Android device is charging. Any ideas? thank you resolvent: One thing I fo……