multimedia message android

Create a simple canvas for Android multimedia development and learning A simple canvas can be drawn, selected, and saved. Of course, this tool is commonly used in communication software, such as QQ and feiqiu. Among them, we must listen to the touch events of the fingers. The touch events of the fingers are divided into three types: Press, lift, and move. Usually we only need to press the link, and then the

Android multimedia-System camera To take a photo with a system camera and return the photo, follow these steps:[1] Permission [2] Start the camera with intent Intent intent = new Intent (); intent. setAction (MediaStore. ACTION_IMAGE_CAPTURE); // implicitly start the System camera [3] set the image storage location and name File = new File (Environment. getExternalStorageDirectory (), System. c

Create a brush paint paint = new paint (); 2.2 Creating artboard objects canvas canvas = new canvas (bmcopy); 2.3 Start drawing exactly as the original Canvas.drawbitmap (BMSRC, New Matrix (), paint); Draw a straight line on the picture, representing a copy of the picture that can be modified canvas.drawline (+, +, +, n, paint); ImageView iv_src = (ImageView) Findviewbyid (R.ID.LV1); ImageView iv_copy = (ImageView) Findviewbyid

Android multimedia photo Public class PhotoTest extends Activity {private ImageView iv; private Bitmap bitmap; @ Overrideprotected void onCreate (Bundle savedInstanceState) {// TODO Auto-generated method stubsuper. onCreate (savedInstanceState); setContentView (R. layout. photo); iv = (ImageView) findViewById (R. id. photo);} public void pai (View view) {// ActionIntent intent = new Intent (MediaStore. ACTI

view) { the Switch(View.getid ()) { - CaseR.id.send_notice: - /*Create a time-lapse intent pendingintent,getactivity pass in four parameters, - * After the new notice also to setcontentintent this delay intent*/ +Intent Intent =NewIntent ( This, Notificationacitivity.class); -pendingintent pi = pendingintent.getactivity ( This,0, Intent,0); + /*get to a notificationmanager to manage notifications, A * Using the Getsystemservice method, passin

OpenCore is the core of the Android multimedia framework. It is used to collect and play audio and video on all Android platforms.OpenCore programmers can easily and quickly develop multimedia applications, such as audio and video collection, playback, video conferencing, and real-time streaming media playback. It is a

the Deathrecipient class in the IBinder class, which is intended for interprocess communication:The following process communicates with Mediaplayerservice through the IPC and does not analyze down.Can be found after the start, the bottom to return a state, is OK or not OK. This goes back to Process_media_player_call to determine the state of the return, and then notify the callback function in the Java layer.The execution process of pauseNext, take a look at the pause method,Find the Android_me

Reprint please the head source link and the tail two-dimensional code together reprint, this article from countercurrent fish, article link:http://blog.csdn.net/hejjunlin/article/details/52465168The previous article mainly introduced C + + in MediaPlayer's C/S architecture and client-related parts, and interspersed with the mediaplayerservice part. But for this C/s section, there is no amplification to analyze. Android

Preface This chapter is about Framework Topics/Multimedia and Camera/Jet Player in the Android developer guide. The version is Android 4.0 r1. Translated from: "Dummies". Welcome to his Weibo Website: "http://weibo.com/popapa", thanks again "dumb prawns "! We look forward to your participation in translation of Android

Android Multimedia Framework opencore code reading Directory structureThe opencore code is in the following directory: external/opencore /. This directory is the root directory of opencore. The subdirectories are as follows: * Android: This is an upper-layer library. It implements a player and author for Android based

); //send a broadcast that updates a multimedia databaseIntent Intent =NewIntent (); Intent.setaction (intent.action_media_mounted); Intent.setdata (Uri.fromfile (Environment.getexternalstoragedirectory ())); Sendbroadcast (Intent); Break; } }}LinearLayoutxmlns:android= "Http://schemas.android.com/apk/res/android"Xmlns:tools= "Http://schemas.android.com/tools"And

playback control and drive the MediaPlayer state for transitions.There are two types of arcs, one representing synchronous method calls with a single arrow, and another with two arrows representing asynchronous method callsFrom the state diagram, we can see that MediaPlayer has some of the following States:Idle state and end stateError statusInitialized statusPrepared statusStarted statusPaused statusStopped statusplaybackcompleted statusThe first time to get blog update reminders, as well as m

Glide is a fast and efficient Open-source multimedia resource Management library on the Android platform that provides compression of multimedia files, memory and disk caching, and resource pool interfaces.Glide support acquisition, decompression display video, images and GIFs, Glide has a flexible API allows developers to customize the network stack technology,

Tags: camera dia support output width function integrated service andMultimedia architecture diagram of Android system OpenMAX does the codec function (codec), from top to bottom is Al (Application layer, provides a standardized interface between multimedia middleware and application), IL (Integration layer, decoding encoder), DL (development layer, vendor is written according to hardware), where IL is u

The ExifInterface class has been added since Android 2.0. The ExifInterface class mainly describes some additional information about multimedia files, such as JPG images, image rotation, gps, and thumbnails. This class is located in the location of android. media. ExifInterface. You must call the API Level at least 5, that is, the 2.0 SDK. The Exif information of

After a while, start learning the multimedia framework part of the Android system, estimated to spend the first half of the year or so. Hope this process can be obtained, I will also record the whole process of learning on the CSDN, on the one hand to urge themselves to organize knowledge, on the one hand to share with you the process of learning, adhere to!Copyright NOTICE: This article for Bo Master origi

of loops, rate represents//Rate minimum 0.5 up to 2, 1 for normal speedSp.play (Soundid, 1, 1, 0, 0, 1);instead of stopping, you can use the pause (int streamid) method, where both Streamid and Soundid indicate the total number in the first argument of the constructed Soundpool class, and the ID starts at 0. Three, Android three kinds of ways to play video1. Use the player that comes with it. Specifies that the action is action_view,data to Uri,type

URIPhoto.setimagebitmap (bitmap); }Catch(FileNotFoundException e) {e.printstacktrace (); } } Break; }} --The above operation, because the selected picture may be very large, usually need to compress and then display;3. Audio playback1) using the MediaPlayer class to achieve audio playback in Android, its common control methods are:--setdatasource (): Sets the location of the audio file to play;--prepare (): Call this method

display dp = Getwindowmanager (). Getdefaultdisplay (); nbsp; int screenwidth = Dp.getwidth (); int screenheight = Dp.getheight (); nbsp /* Calculate the scale of the picture */ int scale = 1; nbsp; int scalewidth = imagewidth/screenwidth; nbsp; int scaleheight = imageheight/screenheight; if (scalewidth >= scaleheight scalewidth >= 1) { scale = scalewidth; } else if (ScaleHeight > ScaleWidth scaleheight >= 1) { nbsp; scale = scale

I recently read Android multimedia materials and found that the audio formats AMR, MP3, WAV, and mid supported in version 1.0-R2 do not support AAC, the mediaplayer provided by Android does not support the direct stream Creation Mode similar to that provided by j2-. stream creation is obviously the most common mode in our development, for example, we can download