Android
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Android – how do I get bitmap bytes at API level 11?
There has been a useful method bitmap. Getbytecount () since API level 12, but how do you get the same value in API 11…… -
Android – width and height of alertdialog appcompat
My customer style for alertdialog is as follows: <style name="Testing.Dialog" parent="Theme.AppCompat.Light.Dialog.…… -
Android – genymotion crashes in a few minutes
I have built a perfect demo application, as follows: After several runs, genymotion suddenly stops working and the fol…… -
Java – how to change text when scanning a barcode with zxing in Android?
When you start the barcode scanner (zxing) by intention, can you change the prompt text of "put barcode in viewfinder.…… -
Android – get the data in EditText from listview
Invalid Sign Textview Edittext --------------------------------- Textview Edittext -------------------…… -
Hide tabs in Android tabhost
if( ......) { tabHost.getTabWidget().getChildAt(0).setVisibility(View.GONE); //to hi…… -
The Android imagebutton onclick method was not called
Edit: publish the complete code (except XML, because it is a bunch of absurd tabular format!) please ignore the code t…… -
Android – using the material button will result in a classnotfound runtime error
I am replacing buttons and material buttons in my application with < com.google.android.material.button.materialbut…… -
Java – Android studio – AVD cannot recognize gestures (simulator cannot be unlocked)
I've just started learning to program for Android. Unfortunately, I've encountered a problem after making a program (H…… -
What APIs do Google Android apps use?
There is a Google Mobile App for Android. To receive all information, you must use some APIs How do I retrieve this in…… -
Android – why is my soundpool muted?
I set up my soundpool and load sound resources in oncreate(): soundPool = new SoundPool(4, AudioManager.STREAM_MUSIC, …… -
Android – exoplayer plays multiple videos at the same time
I want to play video lists at the same time (one by one, like a video) I'm using exoplayer to play these videos now, b…… -
Java – Android – checkbox is repeated every 10 times in listview
Hello, I've been trying to create a list view using a custom adapter to place two textviews and a check box in it. The…… -
Android senior engineer series learning route introduction, unexpected surprise
Recently, I found that some readers wrote a message about job hopping interview. Among them, several programming veter…… -
Android – how to invalidate glide cache for certain images
I'm writing an application that needs to load a lot of images from the Internet (comic book reader). I need to cache s…… -
Android – how to open a button click URL in the default browser or WebView
How do I open a web address in WebView or the default browser after clicking the button? At present, when I click the …… -
Android – issue: the specified child node already has a parent node. You must first call removeview() on the child’s parents
I develop applications to add dynamic data to multiple table views. The structure is as follows My code in onpostexecu…… -
Android – error this API project is not authorized to use this API. Please make sure to activate this API in the console
I created an Android project using Google Places API. Once I send the nearest place request, I receive this error: I h…… -
The security encryption provider is deprecated in Android n
I know Google has abandoned the crypto provider in Android n, but what is the best way to migrate old encrypted data r…… -
Android – Google maps apiv2 authentication failed
Error: 08-15 12:59:17.435: E/Google Maps Android API(14665): Failed to load map. Error contacting Google servers. This…… -
Access external URL (Google. Com) from phonegap (Android)
I'm new to phonegap and Android. I can't access the external URL. Like Google from phonegap, I tried iframe and window…… -
Java – retrieve WiFi connection status (Android)
I follow the following link to connect to my local WiFi. It works perfectly. I can connect to my local WiFi However, I…… -
Android – change the default design theme to a custom color
I am new to Android studio. As a beginner, I have created a simple application for testing purposes only and see the a…… -
The Android application faces an error when adding to Lib using android-support-v4.jar and tries to log in using Proguard in IntelliJ idea
I'm trying to sign my application. If I don't check Proguard, the login process is OK. But if I use Proguard, I'll get…… -
Android fills the text in textview on the left, image on the left and text on the right
I have a textview, which contains the image on the left and the text on the right: I want to create a space between th…… -
Android – the new preference library supports incorrect themes at runtime
I'm trying to use the new preference V14 support library. In order to provide material styles for preferences, I use t…… -
Android – text selection pop-up?
I want to display a pop-up window when the user selects text in EditText This is what I want to do: (screenshot from G…… -
Android – reaction to native running Hello World
I am using this tutorial https://facebook.github.io/react-native/docs/getting-started.html#content I am using Windows …… -
Android permission processing, thorough analysis of source code
In the "Java background learning suggestions for Android programmers" I wrote, it is mentioned that because of the inh…… -
Java – how to run a thread repeatedly after a period of time
I want to run a thread (perform some time-consuming tasks in the background and do not update the UI). It just downloa…… -
Android – this handler class should be static, otherwise it may leak (null)
This Handler class should be static or leaks may occur (null) The 'class' of this message refers to' myactivity ', b…… -
Android – I failed [install_failed_already_exists] when I tried “ADB install”
See the English answer > failure [install_failed_ready_exists] when I tried to update my application 5 apks do not ……