how to add music to android

write well in advance, such as delete and add something Initializing data We always need point data by default. private void InitData () { //default display data list Add data Add Data Case R.id.tv_add: adapter.adddata (New Bean ("Liu Guilin")); Notifies the refresh adapter adapter.notifydatasetchanged (); Break Select All data When

-(void) Scrollviewdidscroll: (Uiscrollview *) scrollview{ if (Scrollview.contentoffset.y > Self.offsety Scrollview.contentoffset.y > 0) {//Up slide //button disappears [UIView TransitionWithView:self.bottomButton duration:0.1 options:uiviewanimationoptiontransitionnone animations:^{ self.bottomButton.frame = CGRectMake ( KSCREENW-80, kScreenH-65); Completion:null]; } else if (Scrollview.contentoffset.y The above is a small set to introduce the

Android ListView Add header layout and foot layout Before learning Himalaya A small demo, posted out for everyone to learn the reference; If our current page has more than one interface, a variety of layouts, our general choice is nothing more than 1, multiple layout, 2, a variety of complex sliding layout outside a layer of scrollview (good low); 3, head layout foot layout. Sometimes we use a lot of layo

Background code Copy Code code as follows: private void ChangeView () { Ly.removeallviews (); Layoutinflater Inflater = (layoutinflater) getsystemservice (Layout_inflater_service); View layout = inflater.inflate (r.layout.grid,null); GridView GridView = (GridView) Layout.findviewbyid (R.id.gridview); Gridview.setadapter (New Itemadapter (Mainactivity.this)); Gridview.setonitemselectedlistener (New Onitemselectedlistener () { public void onitemselected (Adapterview arg0, Vie

Remove Unused APKThe system comes with the app location in/android4.3/packages/appsHere are some app action analysis: | |–basicsmsreceiver | |–bluetooth (bluetooth) | |–browser (browser) | |–calculator (Calculator) | |–calendar (Calendar) br>| |–camera (camera) | |–cellbroadcastreceiver | |–certinstaller (Install digital signature in Android, called) | |–contacts (dial (call), Contacts, call logs) | |–contactscommon | |–deskclock (Desktop clo

Remove Unused APKThe system comes with the app location in/android4.3/packages/appsHere are some app action analysis: | |–basicsmsreceiver | |–bluetooth (bluetooth) | |–browser (browser) | |–calculator (Calculator) | |–calendar (Calendar) br>| |–camera (camera) | |–cellbroadcastreceiver | |–certinstaller (installs digital signatures in Android. called) | |–contacts (dial (call), contact, call history) | |–contactscommon | |–deskclock (Desktop

Prerequisite Summary: The previous article has introduced the basic use method of Recyclerview, the original text is as follows: Android Recyclerview layout really just so simple! This article is an introduction to the deeper use of Recyclerview. Footview and Headview have corresponding functions in their ListView, but not in the trendy Recyclerview, Footview play an important role in paging loading (more on the pull), and therefore must be studied.

and components in a Layout, after all, our SurfaceView is also a view that is placed in our layout together with other components. In this way, we will certainly be able to add components to SurfaceView. Next first We can see that the white area in the middle is our SurfaceView. The top is the component TextView, and the bottom is the Button and right. What we need is this effect! Instead of switching multiple activities in the previous article, th

Add a file directly to the SD card of the simulator in ddms. If an error occurs, the following error occurs:Failed to push xxxxx.txt on emulator-: Read-Only file system error, because your sdcard permission is insufficient and you need to create an sdcard directly. I. First create an sdcard. The name of the sdcard I created is sdcard. IMG (the name is random and ends with the name of the IMG extension) Enter the DOS to point to the directory e: \

How to select a Compatibility Pack,Please refer to Android support Library Features (ii)First, download the support LibraryMethod 1: Right-click project → select Android Tools→add support Library ...Method 2:Get the support Library from the SDK Manager:1. Open the Android SDK Manager2. In the SDK Manager window, scroll

A single menu is used as a menu, similar to the select tag in HTML. A dialog box is displayed, showing several options for selection. The screen size of the mobile phone is limited. If you use the radiogroup single-choice button, it will occupy a lot of space. The final results of today's example are as follows: The spinner needs to bind an adapter arrayadapter and place the menu items in the adapter,To add or delete a menu item, you only need to cal

When developing applications such as short messages and app stores, we will consider adding the number of unread text messages to the icon of the short message, and adding the number of apps that can be upgraded to the app store, in this way, the goal of prompting can be achieved without occupying too much space. This section uses an example of showing the number of contacts in a mobile phone to show how to add a number to an icon, that is, a number

1. Add a new mapoverlay to map. To plot the data point mark and tipview on mapoverlay: Protected void adjustcacheinmap (final list Cachedata selectedcache ){// Create tip ViewFinal view mtipview = minflater. Inflate (R. layout. mobile_mc_findcache_result_map_tipview, null ); Mmapcaches. removeallviews ();Mmapcaches. addview (mtipview );Mmapcaches. Post (New runnable (){ @ OverridePublic void run (){Mmapcaches. getoverlays (). Clear ();Mobileresultma

"));// Pay attention to this CodeI. addCategory ("net. learn2develop. Apps ");StartActivity (Intent. createChooser (I, "Open URL using ..."));In the above Code, we use the addCategory () method to add the Category attribute to the Intent object. If addCategory () is omitted, the previous code can still call MyBrowserActivity because it still matches the DEFAULT Category: android. intent. category. DEFAULT.

Li huaming himiOriginal, reprinted must be explicitly noted:Reprinted from[Heimi gamedev block]Link: http://www.himigame.com/android-game/312.html Many kids shoes say that after my code is run, clicking home or back will cause a program exception. If you have encountered this, you certainly haven't carefully read the himi blog, in article 19th, himi specifically wrote about the causes and solutions of these errors. I have added my remarks on this blo