Android phone listening applets (for learning only ),
To write this applet, you must first understand how the background services of Android are implemented. Service is one of the four major components of Android.Secondly, you need to understand the process management of Android. Although the program is invisible afte
Android discussion --- getting the phone screen size
SurfaceView simple example
Go to Android --- UI --- ZoomControls to zoom in and out images
For more information, here is a summary of the operations on the mobile phone screen in android:
1. Get the screen resolution (beca
Http://delxu.wordpress.com/2011/03/13/wifi-analyzer-android%E6%89%8B%E6%9C%BA%E7%89%88/WiFi analyzer (# Android # mobile phone version) posted on 2011/03/13 by delxu
Original delxu document. For more information, see the source. Thank you!
A new HTC Desire HD mobile phone ha
Mobile phone pictures Too much check is not very convenient, but also occupy the memory of the phone, then why not try to convert the picture into a PDF file, we will be within the picture together and then converted into a PDF file, so it is convenient to look up a lot.Preparation Tool: Android phone first go to the s
Android obtains the screen width and height, Status Bar Height, and string width and height of a mobile phone.
Android obtains the screen width and height, Status Bar Height, and string width and height of a mobile phone.
This article mainly introduces how Android can obtain
Andoid SDK, which is our previously customized C:\ADT\SDK directoryNext we perform the Unity release test, open the file-and build Setting compilation Settings dialog box, select the Android icon, click the Switch Platform button, so you can switch to the Android publishing platform. Connect your phone, then click Build and run to publish and try it out.But ther
written to the hardware underlying device in real time, skipping over the cache, which is good for unexpected outages such as downloading files Randomaccessfile RAF = new Rand
Omaccessfile (file, "RWD");//rwd, real-time write to the underlying device/set the size of the temporary file raf.setlength (length);
Raf.close (); , calculate each threadHow many bytes should be downloaded int size = length/threadcount;//If there are more tha
Android 2.0 and later versions have made significant changes to contacts and other related APIs. Therefore, it is not recommended to port operations on Android 1.6 to Android 2.0. Here is a simple description of the operation method in SDK1.6.Do not forgetAndroidManifest. xmlAdd the permission to read contacts
The following code is used:
Public class
This article illustrates how Android gets the size of a mobile screen. Share to everyone for your reference, specific as follows:
There are mainly three objects TextView, buttons, and Displaymetrics, where Displaymetrics is the key class to get the size of the phone screen , this example is very simple when we click on the button to trigger the event, Display the wide and high resolution of the mobile scre
TheProgramYou can test the resolution of a personal mobile phone device, which DPI level is used for development reference.
Main. xml
String. xml
JavaCode:
Package COM. shine. android; import android. app. activity; import android. OS. bundle; import android. ut
Cocos2dx 2.2.3 compile the first apk to the Android phone, cocos2dxapk
1. android-ndk-r10 (pay attention to 32-bit and 64-bit do not go wrong, I am not a small heart wrong tossing me two days)
2. adt_201407 (eclipse has been integrated with sdks and so on)
3. Cococs2d-x 2.2.3
4. Brainless installation of python2.7, set the environment variable path, and add
The previous article on the PC and Android phone connection method, through the Java Call System command to perform the ADB command operation, is actually a relatively stupid way.Online access to information, found that Google has provided the Ddmlib library (Adt-bundle\sdk\tools directory), provides all the ADB-related operations of the API.Document referenceHttp://www.jarvana.com/jarvana/view/com/google/
Tags: targe request why CXF src and gravity appear humanizedAfter the Android 6.0 version, the new permission system appeared, in order to better protect the user's security, the new permission system requires the developer to manually apply in code, so in order to fit the 6.0 privilege system, we have to learn the authority system
In this example. Will simply implement the Android phone to upload the image to the server. This example uses the server side: Php+apache client: Java first simple implementation of server-side upload and test upload effect, see the example>?submit=1 "method=" POST ">send this file: php}else{$path = "e:\comsenzexp\wwwroot\uploadfiles/", if (!file_exists ($path)) {mkdir ("$path", 0700);} $file 2 = $path. Tim
/com.android.providers.contacts/databases directory is found, where the contact2.db file is the SQLite data file that holds the contact information. The original compressed file can then be discarded.
Use the SQLite tool, such as DB Browser for Sqlite, to open the data file and explore the Raw_contact and data tables.
Build the SQL statement select RAW_CONTACT_ID,DATA1,DATA2,DATA3,DATA4 from data to query, copy the query results to the Excel document. The database file can then be discar
card, as long as the satisfaction:1. Data networking;2. Install the Bank Mobile client and log in;3.HCE (NFC-enabled phone)The above 3 conditions, generated an electronic virtual smart card .You can use the mobile phone to brush ATM or counter way to complete the withdrawal, transfer and other cards can be completed by the bank card work.Security is now considered, but the value of this approach is obvious
I am using the Samsung i9220 android system 2.3.5The precondition for this information leakage is that the mobile phone has enabled the screen unlocking setting function and is bound to a google account or password protection.By default, you need to enter the unlock password or pattern after the mobile phone locks the screen to enter the mobile phone.Below is my
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