Android Thread Communication (Handler + Message + Looper) 4 - Handler Thread

Reference resources: Android Thread Communication (Handler + Message + Looper) 0 - Preface android.os.HandlerThread HandlerThread is a thread encapsulated by Android system that binds Looper objects. Here's how to compose and use the HandlerThread class Main contents: constructor run() Thread termination Example program constructor ...

Posted on Thu, 07 Feb 2019 14:30:16 -0800 by Aphp73

Cocos 2d-x Learning Notes (12) Cocos 2DX 3.10 Add Lua LuaFile System Library to Travel Files

The lfs library is needed to traverse directory files in lua, but cocos2dx 3.10 does not use lfs and needs to be added by itself.1, Download lfs.c and lfs.hhttps://github.com/keplerproject/luafilesystem Get the source code from github and copy it in the src directory lfs.c and lfs.h Under the cocos2d project, cocos2d external lua luafilesystem ...

Posted on Thu, 07 Feb 2019 12:54:16 -0800 by SuperTini

https://developer.android.com/training/permissions/requesting.html

functionality n. Functionality; [Number] Functionality, Functionality revoke vt. withdraw, cancel; abolish Secret; expressing trust; trusted. If the device is running Android 5.1 or lower, or your app's target SDK is 22 or lower: If you list a dangerous permission in your manifest, the user has to grant the permis ...

Posted on Thu, 07 Feb 2019 11:00:16 -0800 by phpcip28

When Android 6.0 accesses the gallery, an error requires android.permission.READ_EXTERNAL_STORAGE exception is reported.

The code is as follows: /** * Open gallery * @param context * @param requestCode */ public static void openGallery(Activity context, int requestCode) { Intent intent = new Intent(Intent.ACTION_PICK, null); intent.setDataAndType(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,"image/*"); contex ...

Posted on Thu, 07 Feb 2019 05:03:16 -0800 by chrischen

“build-tools\26.0.2\aapt.exe'' finished with non-zero exit value 1”

Today I suddenly encountered a problem: C:\Users\Hzx\.gradle\caches\transforms-1\files-1.1\appcompat-v7-27.0.2.aar\cd25e25b1ef780c5b0d840e0ab03e27b\res\values-v26\values-v26.xml Error:(13, 5) No resource found that matches the given name: attr 'android:keyboardNavigationCluster'. F:\Git\AkeetaApp-Android\app\build\intermedia ...

Posted on Wed, 06 Feb 2019 20:06:17 -0800 by Incessant-Logic

h5+runtime Native.js Hybrid APP Connecting Bluetooth Printer

I fumbled for a moment and consulted other people's code to fix the problems in the original code. Question 1: The getBytes function of the string returns null [the string needs to be created in a new way] Question 2: Initialize printing once, and then cannot use it. [Do not call device. createInsecureRfcommSocketToSe ...

Posted on Wed, 06 Feb 2019 15:42:17 -0800 by Naithin

ArcGIS for Android Runtime 10.2.9 (3): Use of Callout Bubbles

Use of Callout Bubbles First, we need to get bubbles in MapView, and get a bubbles through the getCallout() method of MapView. Callout's function is that when you click on an annotation on a map, a pop-up window with a title over MapView will pop up, which can display some information and attributes of the annotation. ...

Posted on Wed, 06 Feb 2019 08:27:16 -0800 by justinjkiss

MIFARE CLASSIC card M1 card android NFC sub-thread read and write

What mobile phone supports the MIFARE CLASSIC card (contactless card) label, not all mobile phones support; See (wait a moment) for details. Android NFC Read-Write Card Literacy Paste, See (just a moment) M1 card reading and writing principles, password verification, control words, control bits, etc., see the post: click ...

Posted on Tue, 05 Feb 2019 21:33:16 -0800 by tarado

Android8.0 CtsVerifier Wifi Direct Test

Android8.0 CtsVerifier Wifi Direct Test When testing 8.0 CtsVerifier Wifi Direct Test, the test always fails and the error "the target responder device was not found" appears. Testing methods: Wifi Direct Test->Go Negotiation Requester/Service Discovery Requester Test->failed The correct approach is as follo ...

Posted on Tue, 05 Feb 2019 10:51:16 -0800 by kylebragger

Android Criminal instance - (1) Create fragment s and add them to activities

This example begins with Chapter 7 of the Android authoritative programming guide. Effect: Display this interface in fragment and add fragment to activity. xml code fragment_crime <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout ...

Posted on Tue, 05 Feb 2019 05:39:15 -0800 by ragy