android scanner api

Recently, I want to create a task manager on the Android 2.2 platform. The former API: restartpackage is invalid on Android 2.2. The restartpackage API is valid on platforms 1.5 and 1.6: activitymanager. restartpackage (pakagename ); The test failed multiple times on 2.2. Later, I checked the framework and found that i

Preface This chapter is about android. widget. ZoomButtonsController. Its version is Android 2.2 r1 and translated from "zookeeper". You are welcome to visit his blog: http://www.cnblogs.com/mxgsa/. thank you again for "zookeeper "! I look forward to your participation in Android Chinese API translation, contact me ove

Cocould not find property 'outputfile' on com. android. build. gradle. internal. api. ApplicationVariantImpl, androidgradle After Android studio is upgraded from 1.0 RC 4 to 1.0 (in fact, an 8 m patch is installed), the corresponding gradle version will directly use "com. android. tools. build: gradle: 1.0.0 ". If you

Preface This chapter is about Android. widget. seekbar. onseekbarchangelistener, version: Android 2.2 R1, translated from madgoat, welcome to his blog: http://madgoat.cn/, thanks again madgoat! I look forward to your participation in Android API Chinese translation, contact me over140@gmail.com. Statement You are welc

://www.cnblogs.com/peakzheng/archive/2012/02/04/2338671.html 2. The sending mail operation in the UI thread (the main thread) needs to be transferred to a separate thread for processing Google has made stricter demands on the operation of the main thread after the release of Honeycomb. In order to ensure the user experience, in the main thread can not network data transmission operations, because the main thread in the network data transmission may bring a long time without responding to the u

from the server side into a string*/ Public Staticstring Sendpostmessage (String path,string jsonstr) {string result= ""; HttpClient HttpClient=Newdefaulthttpclient (); Try{httppost HttpPost=Newhttppost (path); Httppost.addheader ("Content-type", "Text/json"); Httppost.setentity (Newstringentity (JSONSTR)); HttpResponse HttpResponse=Httpclient.execute (HttpPost); if(Httpresponse.getstatusline (). Getstatuscode () = =HTTPSTATUS.SC_OK) {//log.e ("json+++++2:", jsonstr); Log info for debugHttp

This article mainly explains how to search for poi near a specified location through Baidu map API (Point of interest, point of interest), Such as supermarkets, restaurants, ATMs, and KTVs.Although in the previous article, when querying address information based on latitude and longitude, some poi around the address will also be obtained, but those poi are uncertain (may be restaurants, banks, bars, it may also be schools, hospitals, supermarkets, and

From: http://dev.10086.cn/cmdn/wiki/index.php? Doc-view-5522.html There are two ways to play audio on the Android platform: 1. soundpool-suitable for scenarios with short promotion and high response speed (game sound effects or button sounds) 2. mediaplayer-suitable for long and time-demanding scenarios Bytes ------------------------------------------------------------------------------------------- Soundpool 1. Create a soundpool Public soundpool (I

Import1, Vectordrawable is a new API in Android L, allowing you to create XML-based vectors and combine animatedvectordrawable for animation effects.2, Android l new support vector tag, you can use path to create animation, while supporting the SVG format.About SVG1. SVG refers to scalable vector graphics (Scalable vector graphic)2. SVG is used to define vector-b

Problem: For developers who use Gradle to configure Java, they can find specific properties of how to build.gradle files in GRADLE_HOME/DOCS/DSL.But for developers who develop Android, they cannot develop the official "Gradle".So you need to find out if Google has another copy of the DSL for Android.By chance, Google put some code inGitHubHttps://github.com/googleAnd I'm going to die. Typing "Android" in a

[VLC-Android] LibVLC API introduction (equivalent to the MediaPlayer of VLC), vlc-androidlibvlc Preface It is very important to learn new things. I have made some suggestions here. Thank you for your feedback! Statement Welcome to repost, but please keep the original source of the article :) blog Park: http://www.cnblogs.com farmer UNCLE: http://over140.cnblogs.com Body The LibVLC of vlc-

With nearly two years of wearable products gradually into people's lives, Bluetooth development has become an important module of Android development, let's say a Bluetooth API.1. There are two main APIs for Bluetooth development:Buletoothadapter: The local Bluetooth adapter, which means that the current application is running Bluetooth on the Android deviceBulet

1. First locate the debug keystore location: 2. In "cmd", type the following command: Keytool-list-alias androiddebugkey-keystore "C: \ Users \ itrue \. Android \ Debug. keystore"-storepass Android-keypass android If the system prompts that keytool cannot be found, add the bin directory in JDK to the environment variable. Obtain the authentication fing

is in the form of a string, the application can also freely declare other formats as needed. Make sure that the application is compiled with the SDK tools of R3 and above, and that the element-based filtering mechanism applies to all API-level versions. Property: android:name Defines the GL texture compression format supported by an application with a descriptor. A list of com

Element Recognition Element Recognition is the identify in ArcGIS. The difference between it and the preceding query is that it can perform space Filtering for multiple layers and specify a certain degree of tolerance. The feature of Element Recognition is used in the "highlightfeatures" example of ArcGIS Android API. Let's first run this example: Figure 28 Map Service Element Recognition The implementati

Android Api Component --- translation Fragment Component (2), androidfragment Let's continue with the previous article. Android Api Component --- Fragment Component translation (1) Communication with activity Although a Fragment is implemented independently of an Activity as an object and used in multiple activities,

); } Catch(FileNotFoundException e) {e.printstacktrace (); } Catch(IOException e) {e.printstacktrace (); } }; }.start (); }Determine if the service is running Public Static Booleanisservicerunning (Context context,string serviceName) {BooleanIsRunning =false; //determine the state of service in operation, ActivitymanagerActivitymanager am =(Activitymanager) Context.getsystemservice (Context.activity_service); //get all the services running on your

Api Android English name Chinese name - 7.0 Nougat Nougat 23 6.0 Marshmallow Cotton Candy 22 5.1 Lollipop Lollipop 21st 5.0 Lollipop Lollipop 20 4.4w KitKat KitKat 19 4.4 KitKat KitKat 18 4.3

/* Consult API---Context1.abstract Assetmanager getassets ()Returns an Assetmanager instance for the application ' s package.Get the resources under the assets directory2.abstract File Getcachedir ()Returns the absolute path to the application specific cache directory on the filesystem.Get Cache Directory3.abstract Packagemanager Getpackagemanager ()Return Packagemanager instance to the find global package information.Get some information about the pa

This article is mainly about: using the camera API to capture video data and save to a file, using Surfaceview, Textureview to preview the Camera data, take the NV21 data callback.Note: Requires permission:First, preview the Camera dataPeople who have done Android development generally know that there are two ways to do this: Surfaceview, Textureview.Here's how to preview your data using Surfaceview: Surfac