Android
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Java – XML vs JSON. Which is better for storing small pieces of data?
See English answers > What are the pros and cons of XML and JSON? [closed] 17. I want to store some small pieces of…… -
Android – alertdialog button does not exist
Suddenly (there is no change in the project code) I began to get an error: java.lang.RuntimeException: Unable to start…… -
Java – NullPointerException when using customlistadapter
I created customlistadapter in Android appculation. But when I implemented it, I got this error NullPointerException T…… -
Android – how to generate random numbers and display them on the screen?
Well, I'm quite new to Android, but I've managed to learn the basics by myself. I'm making an application. You press t…… -
How to use android.intent.action.call_ Privileged and android.intent.action.new_ OUTGOING_ CALL？
I can't find the following documents: android.intent.action.CALL_PRIVILEGED I see it used to handle calls in csipsim…… -
Shortcut to open Android XML layout in eclipse
For example, if I have something similar setContentView(R.layout.activity_main); Open activity_ Shortcut to main.xml…… -
Android Kotlin .visibility
I have this code to make the image visible, but I don't know how it should be written for kotlin I'm trying to use. Vi…… -
Java – use collections.sort to sort the list strings of custom class arrays
I tried to sort my list of custom class arrays using collections. Sort by declaring my own anonymous comparator. But t…… -
Android – can I combine my code into some kind of “global activity”?
Is there any global activity on Android that I put my code in one activity that will affect all activities in my proje…… -
Android: cannot specify list for asynctask. Return type: doinbackground
I have the following asynctask based code block. I try to return a list variable by returning loadfeed(), and the retu…… -
Android – repo: no command found in auto bash script to build CyanogenMod
I am running Linux Mint 17.2. I have installed repo and added the path of repo to my. Bashrc. I have initiated my repu…… -
In one month, we successfully reaped the offers of Tencent, Baidu, meituan and Netease, and doubled the salary
Java Foundation Java multithreading Android open source framework On the one hand, you can read the source code direct…… -
PHP – Android uses the volley library to upload images to the server
I want to use the volleyball library to upload my images from the camera to my 000webhost.com server I want to find ou…… -
The width and height of the ImageView control vary with the picture
Original text: https://blog.csdn.net/qq_ 31207845/article/details/ 87881751@H_ 419_ 1@ android:adjustViewBounds="true"…… -
Java – how does Android set a string array to a single textview
I want to try to set the string array to the text of textview. How can I do this@ H_ 419_ 1@ Here's what I've tried so…… -
Java – which class is the superclass of all classes
I'm a beginner in Java. I'm a little confused about the superclasses of all classes in Java? resolvent: From object do…… -
Android – AdMob error: there is not enough space to display ads. 320 is required × 50 DP, but only 309 × 0 dp
I'm trying to put smart banner ads into my clip layout, and all I get is "there's not enough space to display ads. nee…… -
Android – why is there content by default_ Main.xml and activity_ Main.xml, not just activity_ main.xml？
I just started learning android app development. I have Android studio 1.4. In my layout folder, I have two XML files …… -
Java – Android: use anonymous classes to programmatically create click listeners
I see some examples of making textview clickable by setting onclick = "clickhandler" and clickable = "true". Is there …… -
Android – WiFi manager.calculatesignallevel (RSSI, 5)
I'm trying to use WiFi manager to calculate the signal level of the access point found during the scan I use the follo…… -
Android – horizontalscrollview: the customadapter with getview () does not reuse convertviews like listview
In my past project, I implemented a "time picker carousel". It is based on horizontalscrollview. Users can select the …… -
Android – animation of action bar actions
I am using Android 4.2 and the latest version of appcompat. I use these methods to show and hide my action bar: final …… -
Write long text to display on the Android screen so that the screen will score down
I want to display 2-3 pages of text. I try to use the scroll view, but the text is cut off. I'm a novice in developmen…… -
Android – what is the preferred way to save / restore screen state using flow mortar dagger2?
I'm trying to convert the acticity fragments application to flow mortar dagger2 Invalid Sign I spent a lot of time loo…… -
Android – automatically display error text in EditText
I'm using similar code EditText.setError("Something went wrong"); Display errors on EditText. However, only exclamat…… -
Android – I can’t generate a signed apk
I want to update my application, but when I try to generate a signed APK, I receive the following error message: Pleas…… -
Android – use coordinator layout in Recycle Bin view
How to make the recycler view move with the viewpager? The recycler view does not move with the view pager. I have use…… -
EditText phone number mask for Android
I'm developing an application for Android. In this application, users need to register and enter a phone number. I wan…… -
How to get onedriveclient object in Java class
I'm using the onedrive SDK for Android. It's working with activity. But how do I get the onedriveclient object in the …… -
Invalid on empty object reference android.support.design.widget.floatingactionbutton.setonclicklistener (Android. View. View $on)
I have started developing applications. In some way, I made an error in the detailactivity. Java class. I can't recogn…… -
Develop Android WebDAV server
In my application, I have a nanohttpd server https://github.com/NanoHttpd/nanohttpd But now I want to add a WebDAV sup…… -
Java multithreaded callback method
There is a service in my application that enables clients to register to receive callbacks from the service. I try to ……