Android Mediastore Retrieve video and play

This article is to retrieve the video from the SD card on the phone, and then display the video information such as the thumbnail, name, etc. of the corresponding video on the ListView. Click each item to play the corresponding video.

Source:

Layout file:

Activity_main:

<relativelayout xmlns:android= "http://schemas.android.com/apk/res/android"    xmlns:tools= "http// Schemas.android.com/tools "    android:layout_width=" match_parent "    android:layout_height=" Match_parent " >    <listview        android:id= "@+id/listview"        android:layout_width= "Match_parent"        android: layout_height= "Wrap_content" >    </ListView></RelativeLayout>

List_item:

<linearlayout xmlns:android= "http://schemas.android.com/apk/res/android"    xmlns:tools= "http// Schemas.android.com/tools "    android:layout_width=" match_parent "    android:layout_height=" Match_parent " >    <imageview        android:id= "@+id/imageview"        android:layout_width= "Wrap_content"        android: layout_height= "Wrap_content"/>    <textview        android:id= "@+id/textview" android:layout_width= "        Wrap_content "        android:layout_height=" Wrap_content "/></linearlayout>

Code files:

Mainactivity.java:

Package Com.multimediademo13mediastore;import Java.io.file;import Java.util.arraylist;import android.app.Activity; Import Android.content.intent;import android.database.cursor;import android.net.uri;import android.os.Bundle; Import Android.provider.mediastore;import Android.view.view;import Android.widget.adapterview;import Android.widget.adapterview.onitemclicklistener;import Android.widget.listview;public class MainActivity extends Activity implements Onitemclicklistener {private ListView listview;private cursor cursor; @SuppressWarnings (" Deprecation ") @Overrideprotected void OnCreate (Bundle savedinstancestate) {super.oncreate (savedinstancestate); Setcontentview (r.layout.activity_main); listview = (ListView) Findviewbyid (R.id.listview);/** * The list of columns obtained from the MediaStore.Video.Thumbnail query. */string[] Thumbcolumns = {mediastore.video.thumbnails.data,mediastore.video.thumbnails.video_id};/** * The list of columns obtained from the MediaStore.Video.Media query. */string[] Mediacolumns = {Mediastore.video.media._id,mediastore.video.Media.data, Mediastore.video.media.title,mediastore.video.media.mime_type};/** * All videos represented in the MediaStore will be selected in the main query */ cursor = managedquery (mediastore.video.media.external_content_uri,mediacolumns, NULL, NULL, NULL); arraylist<videoviewinfo> videorows = new arraylist<videoviewinfo> (); if (Cursor.movetofirst ()) {do { Videoviewinfo Newvvi = new Videoviewinfo ();/** * Extracts thumbnails for each video using another query, and the blocks are stored in the Videoviewinfo object. */int id = cursor.getint (cursor.getcolumnindex (mediastore.video.media._id)); Cursor thumbcursor = Managedquery (Mediastore.video.thumbnails.external_content_uri,thumbcolumns, Mediastore.video.thumbnails.video_id+ "=" + ID, NULL, NULL); if (Thumbcursor.movetofirst ()) {Newvvi.thumbpath = Thumbcursor.getstring (Thumbcursor.getcolumnindex (MediaStore.Video.Thumbnails.DATA));} Newvvi.filepath = cursor.getstring (Cursor.getcolumnindexorthrow (MediaStore.Video.Media.DATA)); newvvi.title = Cursor.getstring (Cursor.getcolumnindexorthrow (MediaStore.Video.Media.TITLE)); Newvvi.mimetype = Cursor.gEtstring (Cursor.getcolumnindexorthrow (MediaStore.Video.Media.MIME_TYPE)); Videorows.add (NEWVVI);} while (Cursor.movetonext ());} Listview.setadapter (New Videogalleryadapter (this, videorows)); Listview.setonitemclicklistener (this);} /** * This method extracts the required data from the cursor object and clicks on an item that will create an intent to start the default media player on the mobile device to play the item video. */@Overridepublic void Onitemclick (adapterview<?> parent, view view, int Position,long ID) {if ( Cursor.movetoposition (position)) {int filecolumn = Cursor.getcolumnindexorthrow (MediaStore.Video.Media.DATA); int Mimecolumn = Cursor.getcolumnindexorthrow (MediaStore.Video.Media.MIME_TYPE); String Videofilepath = cursor.getstring (Filecolumn); String MimeType = cursor.getstring (mimecolumn); Intent Intent = new Intent (Android.content.Intent.ACTION_VIEW); File NewFile = new file (Videofilepath); Intent.setdataandtype (Uri.fromfile (newFile), mimeType); StartActivity (Intent) ;}}}

Videoviewinfo.java:

Package Com.multimediademo13mediastore;public class Videoviewinfo {String filePath; String MimeType; String Thumbpath; String title;

Videogalleryadapter.java:

Package Com.multimediademo13mediastore;import Java.util.arraylist;import Android.content.context;import Android.net.uri;import Android.view.layoutinflater;import Android.view.view;import Android.view.ViewGroup;import Android.widget.baseadapter;import Android.widget.imageview;import android.widget.textview;/** * ListView Adapter * @ Author Administrator * */public class Videogalleryadapter extends Baseadapter{private Context context;private arraylist& Lt Videoviewinfo> videorows; Layoutinflater inflater;public videogalleryadapter (Context context,arraylist<videoviewinfo> videoRows) { This.context = Context;this.videorows = Videorows;inflater = (layoutinflater) context.getsystemservice (Context.LAYOUT _inflater_service);} @Overridepublic int GetCount () {return videorows.size ();} @Overridepublic Object getItem (int position) {return null;} @Overridepublic long Getitemid (int position) {return 0;} @Overridepublic view GetView (int position, view Convertview, ViewGroup parent) {View Videorow = InflatEr.inflate (R.layout.list_item, null); ImageView videothumb = (ImageView) Videorow.findviewbyid (R.id.imageview); if ( Videorows.get (position). Thumbpath! = null) {Videothumb.setimageuri (Uri.parse (videorows.get (position). Thumbpath));} TextView Videotitle = (TextView) Videorow.findviewbyid (R.id.textview); Videotitle.settext (Videorows.get (position). title); return Videorow;}}

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