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This article illustrates four ways to get picture resources from the Android programming implementation. Share to everyone for your reference, specific as follows:
1. The picture is placed in the SDcard:
Copy Code code as follows:
Bitmap imagebitmap = bitmapfactory.decodefile (path)//path is the path to the picture, and the directory is/sdcard
2. The picture is under the project's Res fol
Android6.0 the Apache HTTP client all the packages and classes are marked as deprecated no longer recommends that all HTTP-related data requests and submissions be implemented through the HttpURLConnection class, The reality is that a lot of Android developers have always been Apache HTTP clients to do Andoird client and back-end HTTP Interface data interaction, small series just used httpurlconnection to do an An
First, the phenomenon
The usual way to download files via the Android WebView is
1. Rewrite the Downloadlistener Ondownloadstart method, pop-up dialog box in Ondownloadstart method prompts the user to have a new file to download
2. After the user clicks OK, downloads the file through the HTTP GET
As a result of the Android WebView, the above download file ste
When I first started using Android studio, when creating a javabean, I used to right-click on the JavaBean class to find the option to generate Get,set. But unfortunately, I can't find it.That way. How to quickly set,get or generate constructors to generate the ToString method.There are two ways of doing this:Way One: code-->generateMode two: Through the shortcut
Using EXLIPCE to send, we can add the version number to the configuration file, using as development, you can add the version number to Build.gradle, if we want to get the version number inside the project, we can use the following methods to obtain:Gets the version number of the current app:PackageInfo pkg = Getpackagemanager (). Getpackageinfo (Getapplication (). Getpackagename (), 0);= Pkg.versionname; // the current version numberGet the version n
need to get the width of the control of the method?Method One: More than the other two methods more than one calculation, that is, multiple calls to the Onmeasure () method, although the method looks simple, but if the target control calculation time is relatively large (such as ListView, etc.), is not recommended to use.Method Two, its callback method will be called many times, and sliding textview when the time is called, so it is not recommended.M
This article mainly introduces Android to get the phone screen size implementation code, Android development often need to get the screen width, this article directly packaged into a tool class, the need for friends can refer to the
Android in the custom control, often need
In Android development, we often use the network connection function and the server data interaction, this Android SDK provides Apache httpclient to facilitate our use of a variety of HTTP services. You can think of httpclient as a browser, through its API we can easily send out Get,post request (of course its function is far more than these)
This only describes
This demo demo shows that Android interacts with the server through get and POST request methods, so you need to build a server test that you can use Tomcat for reference: http://blog.csdn.net/youmingyu/article/ details/52524006, Demo: Download address.
Note Open Access network permissions:
Source:
Package fk.androiddemo_007;
Import Android.os.Handler;
Import Android.os.Message;
Import android.support.v7
Recently Tinker Android, encountered a problem, because there is no root permissions, need to call intent install APK, but need to get the user installed (for example, the user clicked back or cancel), checked a lot of articles, finally can be resolved, but flawed, the solution is as follows: Public Static voidInstallPackage (Context context, file file,intRequestcode) { //Log the pre-installed APK file n
Android Launcher: get the list of apps installed on your mobile phone. Android launcher
The most important of Launcher is to obtain the entries and icons of all application lists. Generally, there are two methods to obtain them:
PackageInfo
ResolveInfo
Run and obtain the Launcher of all apps and allow click events to go to the application.
The following two met
Mainactivity is as follows:
Copy Code code as follows:
Package cn.testjavascript;
Import Java.util.StringTokenizer;
Import Android.os.Bundle;
Import Android.webkit.WebView;
Import android.app.Activity;
/**
* Demo Description:
* Get the data from the form on the Web in Android
*/
public class Mainactivity extends activity {
Private WebView Mwebview;
Private String date =null;
Private
Recently made a login dialog box, in the acquisition of data errors, when running the automatic panic.Error statement:EditText Passwordeidttext = (EditText) Findviewbyid (R.id.userpasswordeidttext); Send textString message =passwordeidttext.gettext (). toString ();should be modified to:EditText Passwordeidttext = (EditText) Dialogview. Findviewbyid (R.id.userpasswordeidttext); Send textString message =passwordeidttext.gettext (). toString ();Resources for Online Search:Get a custom dialog boxFin
How to get the native phone number on Android, and now Android provides an API to read the number that was cured on the early SIM card,
Copy Code code as follows:
Private String Getphonenumber () {
Telephonymanager Mtelephonymgr;
Mtelephonymgr = (Telephonymanager) getsystemservice (Context.telephony_service);
return Mtelephonymgr.getline1number ();
}
In this chapter, we will learn how to use DisplayMetrics to obtain the resolution of a mobile phone.
Yes. When Android phones are so popular around the world, the differences between mobile phones are also due to the different strategic objectives of different manufacturers, resulting in the increasing number of mobile phone differences.
In the four years from 320 to 13 years, the resolution of Android mobi
The example in this article describes how Android is programmed to get a mobile phone back-office service. Share to everyone for your reference, specific as follows:
public static String Getrunningservicesinfo {StringBuffer serviceinfo = new StringBuffer ();
Final Activitymanager Activitymanager = (activitymanager) context. Getsystemservice (Context.activity_service);
List
I hope this article
Set android:shareduserid= "Android.uid.system" in Androidmanifest.xml
The Android API has the Systemclock.setcurrenttimemillis () function to modify the system time, but no matter how you call the function is useless, whether the simulator or the real machine, in the Logcat will always get "unable to Open alarm driver:permission denied ". This function requires root permission or is available in the runnin
For example, to get the name of the application that opens the camera, just add the following code to the open () method in Frameworks/base/core/android/hardware/camera.java.
Copy Code code as follows:
Application application = Activitythread.currentapplication ();
if (application!= null) {
String PackageName = Application.getpackagename ();
try {
ApplicationInfo packageinfo= Application.getp
Earlier, the "most popular Open source project" series on the GitHub platform launched by CSDN Mobile channel sparked a buzz among many readers, in the "Get it straight!" The hottest Android Open source project series (i),(ii) , we have also counted 40 of GitHub's most popular Android open source projects. For so many of the projects on GitHub, someone keeps mark
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