how to transfer data between android phones

# #123fos. Write ((username+ "# #" +password). GetBytes ()); Fos.close ();} catch (Exception e) {//TODO auto-generated catch Blocke.printstacktrace (); return false;} return true;} /* * Get Saved data */public static mapSecond, save the data to the SD cardAt this time we need to use the environment, to more convenient to obtain the directory of SD card, at this time casually, the SD card is in the/

the same data type and the permission to write Content provider. How can I obtain data exposed by other applications through a set of standard and unified interfaces? Android provides ContentResolver, and external programs can access the data provided by ContentProvider through the ContentResolver interface. This arti

What are the differences between data cleanup, cache cleanup, and one-click cleanup for Android?Preface ?? On Android devices, we often see system or application-related cleanup functions such as data cleanup, cache cleanup, and one-click cleanup, so many purge functions are hard to understand for a programmer, but man

new xxxadapter inherits from Baseadapter, specifying the generic type (that is, the data type of the data in item).Return to new Xxxviewholder (context, parent); External related Bind Recyclerview, New Xxxadapter.Call the Baseadapter.refreshdata () method to pass in the list of data.Call the Baseadapter.setonclicklistener () method if there is a demand for the Click event Processing. At the moment I've

With the rapid growth of HTML5, more and more people are involved in the Web development field of mobile terminals, but there are never so many debugging tools on mobile phones. Even if the PC browser simulates user-agent for development, rendering inconsistency may occur between the mobile terminal and PC browser. Therefore, it is best to develop and Debug on a real mobile phone, but how to capture packets? Today, we will introduce how Fiddler captur

Dealing with images in Android is a very common thing, and it's a way to keep track of some of the things you've used to handle picture data. Switch to bitmap. The RGB value turns bitmap Copy Code code as follows: Private Bitmap Createcolorbitmap (String rgb, int width, int height) { Bitmap bmp = Bitmap.createbitmap (width, height, Bitmap.Config.ARGB_8888); int color = Color.parsecolor

Android learning path 1: four ways to transmit data between activitiesTransmit dataCreate Activity Right-click the project, select New, continue to select the Activity at the bottom of the project, and finally click Blank Activity. At this time, Android Studio automatically adds a corresponding layout file for us and adds an ID for TextView in the layout file for

JSON (JavaScript Object Notation) is a lightweight data exchange format. It uses a language-independent text format and provides an ideal data exchange format for Web application development. This article describes how to create JSON data on the server and parse JSON data on the