android sdcard path

(+); Paint.setstyle (Paint.Style.STROKE); Draw the triangle path, path path = new Path (); Set the starting point of the curve Path.moveto (+); Sets the end point of the first edge Path.lineto (+); Set the end point of the second edge Path.lineto (+);

Open the System album Intent Intent=new Intent (intent.action_get_content); Intent.settype ("image/*"); StartActivity (intent);Opens the specified photo Intent intent = new intent (); intent.setaction (Android.content.Intent.ACTION_VIEW); intent.setdataandtype (Uri.fromfile (Picturefilepath), "image/*"); StartActivity (intent);Open System Album Browse photos Intent Intent = new Intent (Intent.action_view, Uri.parse ("Content://media/internal/images/media")); StartActivity (Intent);Use mediascann

[] selectionargs) {curso R cursor = NULL; String column = MediaStore.Images.Media.DATA; string[] projection = {column}; try {cursor = Context.getcontentresolver (). Query (URI, projection, selection, Selectionargs, null); if (cursor! = NULL Cursor.movetofirst ()) {int index = cursor.getcolumnindexorthrow (column); Return cursor.getstring (index); }} finally {if (cursor! = NULL) cursor.close (); } returnNull }/** * @param uri t

;ImportOrg.apache.http.HttpStatus;Importorg.apache.http.client.HttpClient;ImportOrg.apache.http.client.methods.HttpPost;Importorg.apache.http.impl.client.DefaultHttpClient;Importorg.apache.http.util.EntityUtils; Public classhttputils{/** * @paramServer URL address for path request *@paramencode encoded format *@returnconverts the data returned from the server side into a string*/ Public Staticstring Sendpostmessage (string

// Obtain the dictionary. absolute path of the DB file Android supports four data storage methods:Preference, file, database, content provider. A test program that has been working over the past few days requires the storage of an image file. With this method, I have a little bit of experience. First, preference, file, and Database correspond to/data/directories/Package name/Shared_pref,/data/Package name/

Android learning path 1: How 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 futur

650) this.width=650; "Src=" http://img.blog.csdn.net/20160617105448658?watermark/2/text/ Ahr0cdovl2jsb2cuy3nkbi5uzxqv/font/5a6l5l2t/fontsize/400/fill/i0jbqkfcma==/dissolve/70/gravity/center "Style=" Font-family:arial, Helvetica, Sans-serif;font-size:12px;white-space:normal;background-color:rgb (255,255,255); "/ >Execution: Compiling Android project in cocos2dError: [Taskdef] could not load definitions from resource Anttasks. Properties. It could not b

on it, there will be something similar to what happens when you click and share in a hand swim. Take a look at the screenshot below: Here on the road to Android Learning _3 and Andrew _4 are two different applications, the current program name is called the Android Learning Path _4, then click the first, the following will occur: As shown in the figure above,

); return result; /** * Android 4.0 calls this method to get the database. * * @see android.content.contextwrapper#openorcreatedatabase (java.lang.String, int, * Andro Id.database.sqlite.SQLiteDatabase.CursorFactory, * android.database.DatabaseErrorHandler) * @ Param Name * @param mode * @param factory * @param errorhandler * * * @Override Public sqlitedatabase openorcreatedatabase (String name, int mode, Cursorfactory factory, Databa

Android Architect's path-architect's decisionConnotation + styling: Probably most people are not very understanding of this connotation and modelling, here I can give you a vivid example: believe that many people have their own cars,We summarize the properties and functions of the car, these are the connotation, every object in nature has its own connotation (people have hands and feet, can also run), and t

Privatestring Getrealpath (Uri fileUrl) {string FileName=NULL; Uri Filepathuri=FileUrl; if(FileUrl! =NULL ) { if(Fileurl.getscheme (). toString (). CompareTo ("content") = = 0)//content://URI starting with{cursor cursor= This. Getcontentresolver (). Query (FILEURL,NULL,NULL,NULL,NULL ); if(Cursor! =NULLCursor.movetofirst ()) { intColumn_index =Cursor.getcolumnindexorthrow (MediaStore.Images.Media.DATA); FileName= Cursor.getstring (Column_index);//Remove file

= "Fill_parent"Android:layout_height= "Wrap_content"Android:password= "true"android:textsize= "15.0SP" /> LinearLayout> ButtonAndroid:id= "@+id/btn_login"Android:layout_width= "Fill_parent"Android:layout_height= "Wrap_content"android:layout_gravity= "Center"android:gravity= "Center"Android:onclick= "Btn_click"Android:text= "Login" />LinearLayout>3. Page backgroundOpen the corresponding background code for the page: Mainactivity.javaTo manually implement a button'

few words don't look at my phone I can only passive And the interviewer's pace to go with the company side of the interviewer (should be engaged in Android development) will stay in my talk for a while to listen to my own project familiarity so I control the rhythm of my interview feel comfortable (there is a company's side of the wood to take out the project (the first interview in life) Nervous to want to cry)And I think when it comes to the interv

onlyOption.setcoortype ("Bd09ll"); //Optional, default GCJ02, set the returned positioning result coordinate system intspan = 1000; Option.setscanspan (span); //Optional, default 0, that is, to locate only once, set the interval for initiating a location request is greater than or equal to 1000ms is validoption.setisneedaddress (true); //Optional, set whether address information is required and is not required by default. When set to true, the specific area street information can

Just touched Android, recently in a small project, using path to draw a rectangle based on four point coordinates, you need to fill the rectangle with a picture. Because the rectangle that is drawn according to the path is inclined, it is not easy to fill the picture, after checking the data, through the experiment to obtain a method, share:Draw a small wheat fie

Path global variables defined by AndroidIfeq (, $ (strip $ (out_dir)))Out_dir: = $ (Topdir) outendif Debug_out_dir: = $ (Out_dir)/debug # Move the host or target under the Debug/directory# if necessary.Target_out_root_release: = $ (Out_dir)/targetTarget_out_root_debug: = $ (Debug_out_dir)/targetTarget_out_root: = $ (target_out_root_$ (Target_build_type)) Host_out_root_release: = $ (Out_dir)/hostHost_out_root_debug: = $ (Debug_out_dir)/hostHost_out_roo

Note: This article is changed from http://blog.csdn.net/android_tutor/article/details/5824581In fact, the main use of Activitymanager getrunningservices to get a list of running service. It then uses the name of the running service to compare the alignment.Look at the code:Package Com.example.runningservice;import Java.util.list;import Android.app.activity;import Android.app.activitymanager;import Android.os.bundle;import Android.widget.textview;public class RunningService Extends activity{@Over

Learn a lot of UI knowledge, here to implement a chat interface, first to implement a layout of XML, the code is as follows:here is mainly the ListView to implement the chat record display, edittext for input information, button to send buttons. The effect is as follows:Then realize a ListView interface, here to use two ready-made pictures, is *.9.png, that is, 9 Gongge pictures, the main function is to prevent the stretching of the place, where the interface with the bubble, so as long as the m

RT, Baidu also tried 3 kinds, but all failed to seek the guidance of the Great God, give a simple good, not too complicated, novice ah.The example of the online test, the following errors, but also hope that the great God to help.09-18 16:45:08.591:e/trace (12014): Error opening Trace file:no such file or directory (2)09-18 16:45:08.611:W/DALVIKVM (12014): Refusing to reopen boot DEX '/system/framework/hwframework.jar '09-18 16:45:08.621:W/DALVIKVM (12014): Threadid=1:thread exiting with uncaugh

: When you remove or replace a fragment and add the transaction to the return stack, the removed fragment will be stopped (not destroyed). Assuming the user returns to this fragment again, it restarts (instead of creating again). Assuming that you did not add it to the return stack, the fragmen is destroyed directly when it is removed or replaced.Examples of replacing fragment://Create fragment and give it an argument specifying the article it should Showarticlefragme NT Newfragment = new Articl