how to save snapchats android

();Convert a picture to a bitmapBitmap Bitmap1=bitmapfactory.decoderesource (Getresources (), R.drawable.erweima);int Size=bitmap1.getwidth () *bitmap1.getheight ();Creates a byte array output stream with the size of the streamBytearrayoutputstream baos=new bytearrayoutputstream (size);Sets the compression format of the bitmap, the mass is 100%, and puts in the byte array output stream bitmap1.compress (Bitmap.CompressFormat.PNG, BAOs);Serializes the byte array output to a byte array byte[]Byte

Iv_photo.builddrawingcache ();Iv_photo.setbackgroundcolor (Mcontext.getresources (). GetColor (R.color.textcolorwhite));Iv_photo.setdrawingcacheenabled (TRUE);Bitmap Bitmap = Iv_photo.getdrawingcache ();SimpleDateFormat formatter = new SimpleDateFormat ("yyyy mm month DD Day HH:mm:ss");Date curdate = new Date (System.currenttimemillis ());//Get current timeString str = Formatter.format (curdate);MediaStore.Images.Media.insertImage (Mcontext.getcontentresolver (), Bitmap, str, "");UpdateUserPhoto

Android graphic board, which can save the content as an image,A graphic board can be painted in a straight line or in a filled manner. You can set the color and width of the paint brush, and save the drawn content as a jpg file (saved at sdcard/huaban ):Http://www.dwz.cn/zbOoLnbsp;nbsp;nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp;

boolean Oncreateoptionsmenu (Menu menu) {//Inflate the menu, this adds items to the action Bar If it is present. Getmenuinflater (). Inflate (R.menu.main, menu); return true; } @Override public boolean onoptionsitemselected (MenuItem Item) {//Handle Action Bar item clicks here. The action bar would//automatically handle clicks on the Home/up button, So long/As you specify a the parent activity in Androidmanifest.xml. int id = item.getitemid (); if (id = = r.id.act

English Original: Probably is the best (?) to Save/restore Android Fragment ' sKey points: Fragment's arguments.After years of using fragment, I want to say that fragment is really a smart design, but there are too many problems to be solved by using fragment, especially when dealing with data retention.First, although it has an activity-like onsaveinstancestate, don't think you can keep the data just by On

Saveimageinbackgroundtask method to modify Globalscreenshot.java: String Imagedir = Environment.getexternalstoragepublicdirectory (environment.directory_pictures). GetAbsolutePath ();1, JB2 modified to: String Imagedir = Storagemanager.getdefaultpath () + '/' + environment.directory_pictures; 2, JB3. TDD modified to: Import com.mediatek.storage.StorageManagerEx is also required;String Imagedir = Storagemanagerex.getdefaultpath () + '/' + environment.directory_pictures; 3, KK modified to: (1) Imp

To create a Sharedpreferences object:Sharedpreferences sharedpreferences = context.getsharedpreferences ("UserInfo", mode_private); Editor editor = Sharedpreferences.edit (); Editor.putstring ("username", "user name"); Editor.putstring ("userid", "User ID"); Editor.commit ();Read data:Sharedpreferences sharedpreferences = context.getsharedpreferences ("UserInfo", mode_private);String username = sharedpreferences.getstring ("username", "none");String UserID = sharedpreferences.getstring ("userid"

MVP on Android is a common design pattern, in the launhcer, mobile browser often see, observe the other great God wrote, now summed up, fencing up to write a demoIf you have any questions, please put them in the room.We will study the discussion together.Demo; http://download.csdn.net/detail/xufeifandj/8267619Demo is mainly home page is a webview, realize the history of adding, and display. The example is relatively simple.The entire project is struct

Read and write functions such as the following: Orz, did you find anything? Yes, these two functions have nothing to do with Android.So they can be used in other standard Java programs as well.In Android, it is better to read and write from a pure string, parse it yourself, or use XML to save the configuration.Properties appear simpler and more intuitive, due to the need for a lot of code, and XML operation

"Android" Save fragment Toggle StateObjectiveSwitching fragment frequently can lead to frequent release and creation, and if fragment is a bloated experience it is very bad to share a method here.StatementWelcome reprint, but please keep the original source of the article:)Blog Park: http://www.cnblogs.comFarmer Uncle: Http://over140.cnblogs.comBodyFirst, the application scenario1, do not use Viewpager2, ca

We were stitching the XML file manually in the previous section, but there was a problem with that in the previous section, such as:Insert the contents of the message sbuffer.append ("I added a So in this section we use the XML serializer to stitch up the text message content.The following code is how to stitch a file with an XML serializer:public class Mainactivity extends Activity {listAs you can see, I intentionally added a body to the content of the text message.Export to query the backup fi

If there are no new requirements for the system, direct calls are the most direct. The following describes how to call a system camera to take pictures and save images and call a system album. First, let's take a look at the core method of calling the System camera: Intent camera = new Intent (MediaStore. ACTION_IMAGE_CAPTURE); startActivityForResult (camera, 100); the data returned by the camera is obtained through the following callback method, and

Android uses MVP mode to save and display webview history records. androidwebview MVP is a common design mode on android. In Launhcer, it is often seen in Mobile browsers. I have observed what other great gods wrote. Now, I will write a demo with a help. If you have any questions, please submit them. We will discuss it together. Demo; http://download.csdn.net/det

Package com. example. sharedpreferences; Import java. util. Map; Import com. eboy. Service. preferencesservice; Import Android. OS. Bundle;Import Android. App. activity;Import Android. View. Menu;Import Android. View. view;Import Android. widget. edittext;Import

, and then use the menu keys, select Advanced Options, turn on the Wi-Fi hibernate policy, and choose never hibernate to turn off the WiFi hibernation policy. 15, monitor your mobile phone process (consider using Task Killer management process), the Android 2.1 system began to support the service management function, through the "Set---> Application settings---> Running services", turn off unnecessary services to

Android app File save directory can be the app's built-in private directory, of course, you can also choose the external sdcard directoryBuilt-in private directory /data/data/[packagename]/files file cache directory, generally save small file cache, if it is a picture, do not suggest put here, generally put to external card.File File = Getfilesdir (); Re

for creating and deleting tables: PrivatestaticfinalstringText_type = "text ";Private Static final string comma_sep = ",";Private Static final string SQL _create_entries ="Create Table" + feedreadercontract. feedentry. table_name + "(" +Feedreadercontract. feedentry. _ ID + "integer primary key," +Feedreadercontract. feedentry. column_name_entry_id + text_type + comma_sep +Feedreadercontract. feedentry. column_name_title + text_type + comma_sep +... // Any other options for the CREATE Command")

Android offers 3 ways to save data:sharepreference, files, and databases. 1,sharepreferenceIf you want to save a relatively small collection of key-values, you can use the Sharedpreferences API. The Sharedpreferences object points to a file that contains key-value pairs and provides a simple way to read and write. Each sharedpreferences file is managed by the fra

Save global variables in Android Sometimes our app needs to save some variable values for programs to call anywhere, so we will use the Save method of global variables. Here we will introduce two methods for your reference. 1: use application to save global variables 1.1 de

); Outstate.putstring ("Temp", temp); } }It is important to note that the Onsaveinstancestate () method is not necessarily called, because some scenarios do not need to save state data. For example, when the user presses the back key to exit the activity, the user obviously wants to close the activity, at which point there is no need to save the data for the next recovery, i.e. the Onsaveinstancestate () m