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
Like installing mobile phone software for Nokia mobile phones, mobile phone software cannot be installed when the mobile phone software certificate you have installed expires. To package Android development projects as APK packages, certificates are also required. This time,
Android determines whether a mobile phone is connected to IOT platform. android is connected to IOT platform.
I wrote a function to determine whether the mobile phone is connected to the Internet. However, I found that everything works normally when the mobile phone is conne
This article describes how anti-virus software and viruses obtain all notifications in the notification bar and use the information to kill applications.
In the previous article, I used the root permission to perform a silent installation. Some people will say that the APK will be installed. Anyway, my brother has the Kingsoft mobile guard, and my brother has 360 active defense ...... They will send me a notification!
After a new application is instal
In Android development, we often encounter OOM exceptions caused by too many images or improper operations. Sometimes, although this problem is solved, it may affect the running efficiency of the program, for example: during the process of sliding the scroll bar quickly, our program is still loading images on the server, which gives users an extremely bad experience. In fact, there are a lot of explanations on asynchronous loading and caching of image
Public-oriented mobile technology: gesture encoding in Android (1)
Convert buttons in the Android mobile app to slide gestures
Mobile users are usually less concentrated, busy, and easily subject to human engineering constraints, so you need to build your own
1, the picture into a thumbnail and then load:
The code is as follows1 bitmapfactory.options Options = new Bitmapfactory.options ();2 options.insamplesize = 2;3 Bitmap img = bitmapfactory.decodefile ("/sdcard/1.png", options);
This code is read 1.png thumbnail, length, width is only 1/2 of the original picture. The size of the picture is reduced and the memory footprint is naturally smaller. The disadvantage of this is that the picture quality is bad, the larger the value of the insamplesize,
1, the picture into a thumbnail and then load:
The code is as follows
Copy Code
1 bitmapfactory.options Options = new Bitmapfactory.options ();2 options.insamplesize = 2;3 Bitmap img = bitmapfactory.decodefile ("/sdcard/1.png", options);
This code is read 1.png thumbnail, length, width is only 1/2 of the original picture. The size of the picture is reduced and the memory footprint is naturally smaller. The disadvantage of this is that the picture quality is
Hello everyone, today brings us a copy of the 360 Mobile phone guard Suspension window effect of the tutorial, before beginning please allow me to say a few irrelevant nonsense.
Unconsciously, I found myself in touch with Android for nearly three years, the period of all kinds of growth without the help of the master, there are always many experts like to write their own experience on the Internet for ever
Here's the good news for people who want to experience the personalized Internet experience Skyfire brings on Android devices. After being bought by opera for 155 million dollars, Skyfire released an international version of the Horizon Mobile browser extension. This extension can be added to the Android mobile browser
How to get android mobile phone contacts and display them by letter (3): android contacts
If you get the contact Profile and display it:
How to obtain bitmap Based on photoId:
public static Bitmap getContactPhoto(Context context, long photoId, BitmapFactory.Options options) { if (photoId
Add the following to bindView:
protected void setContactPhoto(C
Many OEMs have launched a security service that includes similar "find-lost Phones" features, and the Andriod system's owner, Google, has launched a similar service this week to further refine the function, Now you can retrieve your lost Android phone just by using a desktop Google search engine.
New Android features Google search to retrieve lost phone (photo from + +)
Of course you want to use t
Android activation key failure to start the mobile phone solution, android SolutionProblem description
The Android phone's key is damaged and cannot be started.
Solution
Connect your mobile phone to your computer through USB cable, go to the command line, find the d
Complete source code for one-yuan cloud purchase CMS system with Android and ios Mobile clients, Android ios
It looks good to have a one-dollar cloud-purchased CMS source code. The source code package contains Android and ios Mobile clients, which need to be decompiled by t
,Descriptor contains a Value.In general, Characteristic is the key to data exchange between mobile phones and BLE terminals. Characteristic has many PERMISSION-related fields, such as PERMISSION and PROPERTY, and the most common one is PROPERTY, the BLE bluetooth module used in this article has no standard Characteristic PERMISSION. Characteristic properties can be set through bitwise operators, such as READ | WRITE, READ | WRITE_NO_RESPONSE | policy,
Android mobile guard-whether there is a password to distinguish the dialog box type, android guard
This article begins to gradually implement the "Mobile Phone anti-theft" function module of the configuration center.
URL:/www.cnblogs.com/wuyudong/p/5939123.html.
Click "mobile
[Android] mobile guard custom dialog box layout, android guard
Mobile phone anti-theft page
Click anti-theft on the mobile phone to determine whether to set a password. If no password is set, a dialog box is displayed. If a password has been set, the Enter Password dialog bo
How to obtain android mobile phone contacts and display them in letters (2): android contacts
The following describes how to categorize and display contacts with the same initials:
In the adapter implement SectionIndexer
In this way, the adapter must implement the following three interfaces:
@ Overridepublic Object [] getSections () {// collection of sections} @
System FrameworkPrinciple Description:Adopt distributed network system, install video client software on mobile phone, install camera Server software on remote server, collect camera real-time video, carry out H264 encoding, and publish it in the form of custom TCP server, and use the client software to enter the IP address of the server. Connect and watch live video.Feature Description:Currently learning version supports capture 320*240 video, server
(19:56:08)
The code of a Common Logon interface is mainly three edittext, one checkbox, and two buttons.Http://schemas.android.com/apk/res/android"Android: Orientation ="
Vertical"Android: layout_width ="
Fill_parent"Android: layout_height ="
Fill_parent"Android: Background
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