包含标签：Android 的文章
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Android – when you return to a stopped activity, the fragmentation is exaggerated by old data
Activity a has fragments. When it starts its intention to activity B, when B. finish(), a executes oncreate() again Bu…… -
java – Swipe Tab – NullPointerException – Android
I followed this tutorial: #127 Android scrollable tabs Part 1: Android tutorial for beginners. I created three clips w…… -
Android – add dependencies in eclipse using gradle
I am using the gradle ide plug-in of eclipse. I created a custom task in the build.gradle file: sourceSets { unitT…… -
Android – sampling ble API cannot get notification of multiple GATT features
I'm developing an application on Samsung ACE3 to connect Bluetooth low-power devices. Because Samsung doesn't want ACE…… -
Android – startapp insert ads are not displayed in oncreate
This is in oncreate: @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceSt…… -
Java – Android. Setting left / right margins does not work
This is strange, but setting left or right margins in Java code does not work on some devices / platforms This is the …… -
Android: use WebView to load large images from resources
I need to use WebView to load large images (about 3500 x 3500 pixels) from resources I've done a lot of research on st…… -
Xmlns in Android
There are three types of xmlns in Android: xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="htt…… -
Android project development – Metro time machine (I, building the main framework)
1： Let's take a look at the renderings after the framework is built 2： Frame structure (1) the bottom navigation bar…… -
Android – ADT bundle for Mac: Eclipse cannot start
I downloaded the Android Developer Tools bundle for Mac from here. The system requirements section says that it requir…… -
WebView crashed when I called a Java function from my JavaScript code. Why?
This may be a simple question. When I call a Java function from my JavaScript code, WebView crashes. Why? This code st…… -
How do we play. M3u8 files in Android 2.2 or Android 2.3?
How do we play. M3u8 (using Unicode M3U files) files in Android 2.2 or 2.3? Can Android play files in this format? res…… -
Android – smack API – read chat records from openfire server
How to use the smack library to extract chat records or chat records from openfire server into Android applications? r…… -
Grails C2DM – Android
Find some Grails plug - ins that implement Android push notifications I'm already using APNs for iPhone, but now I hav…… -
2D array in Android
int maxrow=0; int label=10; int[][] relations=new int[500][200]; make2dzero(relations,500,200); //initialized every…… -
Android – get JSON array using retrofit
Hi, I'm trying to parse the following JSON responses in the list {"beers":[{"id":"1","nombre":"Larzobispa","localidad"…… -
Java Android tracking usage time installation app
I need to track the usage time of all installed applications in the Android operating system. For example, this applic…… -
Java – how do I add another EditText when I click and populate another (Android)
I googled for a while, but I couldn't find how to add another EditText after clicking on one I try to describe my prob…… -
Java – casting serializable to derive HashMap
public class Message extends HashMap<String,String> implements Serializable{ public MessageID ID; publ…… -
Java – thread.join with “retry” mode
Using thread to view the sample code, I often encounter this retry mode boolean retry = true; while (retry) { try …… -
Android – how to resolve the error message: “this AVD may not work unless you install it first”?
I'm trying to create an AVD for Android 5, but it gives me a warning But I did – this is a screenshot of my SDK manage…… -
Android – findviewbyid (with custom layout) from alertdialog – NullPointerException
I'm trying to get text from edittexts in alertdialog, which can be seen below. The problem is that I can't retrieve te…… -
Java – gradle build failed due to an unknown host exception
I just installed a new version of Android studio and tried to create a project using the built-in template My environm…… -
Android – the round button becomes distorted with the length of the text inside
I want a perfect round button I try to use the following code to use shapes. But the problem I face is that when there…… -
Facebook / Android – how to check if a user is registered, now just log in
I encountered a problem when using Android to log in / register with Facebook. The documents are not enough, and their…… -
Android – specifies the targetpackage for the intent in the XML file of the library project
I have a library project. I use it to build two applications, one public and one private, for personal use. Almost no …… -
How to download in Android?
I want to use Android code (such as download manager) to create a download application from a URL, but actually I don'…… -
Java – Android AutoUpdate from your own server
I've been looking for a good example of how to update my own application. So, I installed APK on my device. When I sta…… -
Android – should or should not asynctask be used for long-running operations?
See English answers > Android asynctask for long running operations 4. I'm confused about the content of asynctask.…… -
Android – osmdroid offline files
I have an osmdroid map. I want to load offline tiles from the osmdroid Zip or gemf file of mobac. I investigated it ev…… -
Android – use Parcelable to pass an object containing a list of objects to another activity
My activity workeractivity contains a list of workers. I'm trying to pass the clicked worker object to my workerdetail…… -
Android – ratingbar is customized, and the size of each rating element increases
I know I can apply my own style and replace the star image of the rating bar with something else. I need something mor……