Android
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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…… -
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 …… -
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…… -
No DRP key due to exception: java.lang.classnotfoundexception: com.android.webview.chromium.drp
Although the Android application built by the ionic framework running on the ionic framework has problems running on t…… -
Android develops a method to remove the underline of a link in HTML. From used by textview
class ClickURLSpan(url: String) : URLSpan(url) { companion object { fun stripUnderline(textView: TextView) {…… -
Java – after using subscriber index, greenrobot eventbus and classnotfoundexception still exist
I have a general "classnotfoundexception" issue eventbus with 4.4.2 device, which even has trouble in FAQ I first care…… -
How to read excel (. Xlsx) files in Java?
From a given. Xlsx file, I tried to read data using Java The code of the file I read is as follows: public static void…… -
Android IPC localsocket and binder (Aidl)
I hope every application can send data to my service. Therefore, I need interprocess communication. Messenger, Aidl or…… -
Esa2gjk1dh1k Basics: instructions for mqtt package encapsulated by Android
<iframe frameborder="0" height="800" name="ifd" scrolling="auto" src="%20https://mnif.cn/%20Development%20board%20/…… -
Java – I need to send images from the camera by mail
I'm a little strange to Android studio and other things... So I'm stuck. I need to capture the picture and send it to …… -
Android unit test / mockito: android.location.location is not simulated
I'm trying to learn basic JUnit and mockito tests on Android. I'm trying to write unit tests for a simple class that h…… -
About Android accessibility intercom. Is there a key audience for intercom?
I'm developing an Android photo app for the visually impaired Of course, my application runs in the talkback context. …… -
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…… -
How to unit test Android for HTTP requests
I used another possible framework of robolectric library. It is suitable for Android http://loopj.com/android-async-ht…… -
Android – error adding Proguard
Logcat： Warning:com.sun.pdfview.FullScreenWindow$PickMe: can't find superclass or interface javax.swing.JFrame Warnin…… -
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…… -
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 requestpermissions does not display a dialog box
I found many similar topics, but they all faced the same threat, but I still couldn't find a solution to my problem. I…… -
Appium Android click the checkbox
I'm using appium to create automated tests to test Android applications. The problem I'm facing now is that I can't se…… -
GridLayout – inconsistent vertical / horizontal constraints
I publish this information because I can't find the exact information in the so and the rest of the network. I read th……