包含标签：Android 的文章
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When is the runnable content published in postdelayed actually executed on Android?
I use postdelayed and some other code executed on the main thread. I run it several times and always see the following…… -
Android modification query Yahoo weather
I'm trying to use retrofit to request the current weather from Yahoo. I have a problem trying to pass through this cit…… -
Java – converts files into byte arrays in reverse order
byte[] bFile = new byte[(int) file.length()]; FileInputStream fileInputStream = new FileInputStream(file); fileInputS…… -
Java settitle does not work properly
I created a sliding tab activity and tried to change the title of the application bar dynamically. But everything I di…… -
Android studio cannot be run on Windows 10
Since I installed Android studio on Windows 10 N, I have faced strange problems After Android studio is fully installe…… -
Android – Best Practices for loading UI components in activities
Is there a convention or best practice for binding UI elements to variables in an activity? I usually do something sim…… -
Android: keep the web server running
I'm running a web server (nanohttpd) in an Android service Onstartcommand() returns a value from the method overridden…… -
Can I ignore the “incompatible gradle version” lint check if gradle overrides transivie dependencies?
I just violated this lint check: Some of my delivery dependencies will certainly not be updated to the latest supporte…… -
Android – why does the screen always have the wrong inch size?
I want to calculate the device size in inches. I'm using this code and it will appear every time I search. But the pro…… -
Android: how to display a full screen progress bar in the center
I'm trying to display the progress bar with a custom theme. But it's in the upper left corner instead of the center. I…… -
Android contacts: how does the find key work?
In addition to the contact ID, Android also got look_ Up key. Since the ID of the contact can be changed, you can use …… -
Change the background image when the audio file is running in the background in Android
When the audio file is running in the background, I try to change the image in the Android application, but there is a…… -
“There is no instance of type variable R, so observable complies with observable” error when updating to rxjava2
I am trying to call the API using retreading and rxjava. When using rxjava 1, the following code seems to work well, b…… -
Android – why does findlastcompletelyvisibleitemposition() return – 1?
I'm trying to use paging in fragments for endless recycler view. But the problems are as follows >Findlastcompletly…… -
Using WebView webgl from Android simulator
As far as I know, webgl is only supported in Android lollipop (update WebView component in play store) and later WebVi…… -
Group 10 alpha Sprint (1 / 4)
Team leader blog assignment blog It realizes the interface of login / registration / posting / adding, deleting and qu…… -
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…… -
Android notification.bigtextstyle behavior
When I create a notification, I observe the following behavior Notification.setContextText("Teaser text. Read more...…… -
Android Google Analytics did not generate a configuration file, firebase conflict
At first, I included firebase and its analysis in my project. It works well, but compared with Google Analytics, I wan…… -
Copying Android gradle to dolast does not work
I'm trying to do a very simple thing. Since gradle will delete all the files in the build directory when cleaning up, …… -
The list view in the clip does not scroll
There is a table content in my activity, which has three tabs. Each tab content has a fragment, and they are named one…… -
Java – how to use fragment’s Spinner event in the main class?
The following code named presenter is my main course. I will replace fragment according to the problem public class Pr…… -
Android – without adsettings.addtestdevice, Facebook SDK ads will not work properly
This is the code I loaded the advertisement: adView = new AdView(this,getResources().getString(R.string.facebo…… -
Android firebase password verification
I have a forum that I am trying to create with firebase. Only users who know the password can access some sub forums. …… -
Android (Google login): how to verify the integrity of the ID token on the server?
I use this method to get ID token: GoogleSignInAccount acct = googleSignInResult.getSignInAccount(); String toekn_id =…… -
Android checks camera permissions in the target SDK 22 or earlier
I have this code to check the permissions of the camera if (Build.VERSION.SDK_INT >= 23) { Log.e("Permission State"…… -
Java MP androidchart bar chart – how to group bars at random X-axis intervals between groups?
I want to make a bar chart in which three different data sets are combined at each data point, as shown below: However…… -
android-ExifInterface_ JNI: original image error not detected
When trying to get exifinterface, I keep seeing error messages that the original image is not detected ExifInterface e…… -
Android – change the image in ImageView in recyclerview
I want to change the image of ImageView in recyclerview For example: I have 30 items in recyclerview. When I click the…… -
Android – programmatically adding views to LinearLayout does not set text on everything except one
I have a linear layout and want to dynamically add a variable number of list items. (it cannot be the recycle bin view…… -
Java – change Android material theme at runtime
I have a setup screen for changing the application theme at runtime. I know how to create a material design theme. I h…… -
The Java Android client did not receive the socket.io message from the node.js server
I have used socket.io to connect the Android client to the node.js server and can send messages to the server, but I c……