how to save snapchats android

to save more and more complex data structures.Another method that can be used is the onRetainNonConfigurationInstance () callback method. When an activity is destroyed due to configuration changes (such as screen orientation changes), the Android system calls this method. This can be used as follows:[Java]@ OverridePublic Object onRetainNonConfigurationInstance (){// ---

structure":Example code: Public class layerview extends View { Private Static Final intRADIUS = the;Private Static Final intLayer_flags = Canvas.matrix_save_flag | Canvas.clip_save_flag | Canvas.has_alpha_layer_save_flag | Canvas.full_color_layer_save_flag | Canvas.clip_to_layer_save_flag;PrivatePaint Mpaint; Public Layerview(context context, AttributeSet attrs,intDEFSTYLEATTR) {Super(Context, attrs, defstyleattr); } Public Layerview(context context, AttributeSet attrs) {Super(context, attr

There is a document in the official Android development documentation that describes how to save application data, but I have used many programs from well-known to unknown.) The processing is not perfect, or the Android development team did not save the data of their applications as recommended. After some tested softw

); //must be submitted before it takes effect, or you can use the ApplyEditor.commit (); Toast.maketext (Getapplicationcontext (),"Saved successfully", Toast.length_short). Show (); } } });When we save the account and password, we want to write the password and account directly when we open the app for the second time, and get the data when loading the page.// gets the content of the info file, the first parameter is the key to

Preface :Recently in the user registration, encountered the need to fill out a lot of form data, it is not possible to complete all the data on a page, so the use of paging, because after users fill in the data data we need to fill in the data for a temporary record, when the user will be able to view and modify the page. At first, we will solve this problem from the angle of the data size, so there are several ways:A, use temporary static variable static to

Immediately graduated, on the occasion of graduation, I quit the previous internship work, mainly work content is not very interested. Recently looking for a job, mainly looking for Java and Android work. I think I learned well, but the interview was frustrating. Let me mention some of the questions you asked.The first: In the case of weak network transmission, how to save traffic?Due to the fact that there

When designing software, we need to record the basic information of software settings. How can we save them? We can use SharedPreferences. SharedPreferences is an xml file used to store general settings of the software. For example, the user name in the login box or the user's own settings. SharedPreferences is automatically stored in data/data // shared_prefs UserInfo. xml is the saved file. You can specify the file name. How can this problem be achi

not killed until the OnPause method is called, and OnStop () and OnDestroy () can be killed. But a yellow marker was also marked: Honeycomb.This is what the official text says: starting with honeycomb, an application are not in the killable state until onStop() its Has returned.Starting with Honeycomb (Android 3.0), the app can only be killed after the OnStop () method returns, meaning the application cannot be killed until the OnStop () method is e

In practical applications we often need to interact with and save the data, but the default method in intent has a type limit on the transmission of data, when we need to transfer or save a complex generic data, the use of application is a good solution.As the name implies, application corresponds to the entire application, just as the activity corresponds to the current active window, and when we need to u

In practical applications we often need to interact with and save the data, but the default method in intent has a type limit on the transmission of data, when we need to transfer or save a complex generic data, the use of application is a good solution. as the name implies, application corresponds to the entire application, just as the activity corresponds to the current active window, and when we need to

Android Rescue Brick:Android phone the best way to save bricks is to use the Android system with the force of the card brush (up and down volume keys and the power button simultaneously press)Steps:1> the official Native system's Card brush pack (UPDATE. APP) into the Dload folder and deposit to the root directory;2> up and down volume key and the power button at

Package com. king. android. db; import java. io. file; import java. io. fileInputStream; import java. io. fileNotFoundException; import java. io. fileOutputStream; import java. io. IOException; import android. app. activity; import android. content. context; import android. OS. bundle; import

Save () Savelayer () restore ()1. in custom controls you should draw the Onmeasure and onlayout when you are done, and sometimes you need to add some adornments to your control to meet your needs .Carbon OnDraw (canvas canvas), where canvas is like a canvas, and the style of your custom control is done on top of it .Canvas, paint and other basic concepts will not be discussed.2. The following is a direct use of demo to explain the title listed metho

(Subforder, fileName); if (!mycapturefile.exists ()) { mycapturefile.createnewfile (); } Www.jb51.net Bufferedoutputstream bos = new Bufferedoutputstream (new FileOutputStream (Mycapturefile)); Bm.compress (Bitmap.CompressFormat.JPEG, BOS); Bos.flush (); Bos.close (); } This is preserved, but sometimes obviously saved, why enter the album when you can not see it? Anyway, I encountered such a problem, originally we in the preservation of success, but also to send a system broadcast notice m

Android efficient memory makes your pictures save memoryIn memory optimization, we found that in addition to resolving memory leaks, the only thing left was to reduce the actual memory footprint. In the app, most of the memory may be occupied by our pictures, so reduce the memory footprint of the image can bring a direct effect.How much memory does one or one images occupyLet's assume that we have a picture

L permission inmanifest: Android: Name ="Android. Permission. write_external_storage"/> L save Web page tosdcard: // Get file name String filename = webview1.copybackforwardlist (). getcurrentitem () . Gettitle (); // Save fileSdcard Webview1.savewebarchive ("/sdcard /" + Environment.Directory_downloads+"/" + Filename

In the last two sections we are using text files to save the user's information, which is obviously a loophole. At the same time, the content of the file is not managed. Today we learn to save with Sharedpreference. Sharedpreference is dedicated to preserving some of the more fragmented data.We still use the example of the previous section to analyze the user's information using Sharedpreference to save.Not

Directly on the code:Package Com.example.callstatus;import Java.io.file;import Java.io.filewriter;import java.io.ioexception;import Java.io.printwriter;import Java.io.stringwriter;import Java.net.unknownhostexception;import Java.text.simpledateformat;import Java.util.date;import Android.annotation.suppresslint;import Android.os.environment;import android.util.log;/** * Android Development Debug Log Tool class [support

{//Save Data Tool class Public Static BooleanSaveinfo (context context, string Username, string pwd) {Try{String path=Context.getfilesdir (). GetPath (); String result= Username + "" +pwd; File File=NewFile (Path, "Info.txt"); FileOutputStream Fos=Newfileoutputstream (file); Fos.write (Result.getbytes ()); Fos.close (); return true; } Catch(Exception e) {e.printstacktrace (); return false; } } Public StaticMapReadinfo