mediastore

The first step: uses-permissionandroid:name=" Android.permission.WRITE_EXTERNAL_STORAGE "/> uses-permission android:name="Android.permission.MOUNT_UNMOUNT_FILESYSTEMS"/ >Step Two:Intent Intent = new Intent (Mediastore. Action_image_capture);Startactivityforresult (Intent, 1);Step Three:protected void Onactivityresult (int requestcode, int resultcode, Intent data) {TODO auto-generated Method StubSuper.onactivityresult (Requestcode, ResultCode, data)

, "the email subject text ");4. It. putextra (intent. extra_stream, "file: // sdcard/mysong.mp3 ");5. sendintent. settype ("audio/MP3 ");6. startactivity (intent. createchooser (IT, "Choose email client ")); Play multimediaUri uri = URI. parse ("file: // sdcard/song.mp3 ");Intent it = new intent (intent. action_view, Uri );It. settype ("audio/MP3 ");Startactivity (it ); Uri uri = URI. withappendedpath (mediastore. Audio. Media. internal_content_uri

Package com. Test. activity; Import java. Text. decimalformat; Import java. Text. numberformat; Import java. util. List; Import Android. App. activity; Import Android. App. alertdialog; Import Android. content. context; Import Android. content. dialoginterface; Import Android. content. intent; Import Android. Graphics. Bitmap; Import Android. Graphics. drawable. bitmapdrawable; Import Android. Graphics. drawable. drawable; Import android.net. Uri; Import An

Content provider is an abstract data encapsulation and data access mechanism, such as SQLite is a data source with an Android device that can be encapsulated into a content provider. To read and write through the content provider, you need to use a URI. Recommended Read Android Learning Note (47): Content provider and Android contact information, Android learning Note (48): Provide your own content Provider and Android Learning notes (49): Access data via content provider. Content provider's imp

Mediastore is the Android system comes with the multimedia system database, he is refreshed at each boot, you can use the cursor this class to access and modify the database, modified after the need for broadcast forced refresh.Use the cursor to obtain an object instance of Contentresolver through the context.Cursor Cursor1 = Context.getcontentresolver (). Query (MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,null, null,null,null);View CodeThe context in

protectedvoidonActivityResult(intint resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); }In the Onactivityresult method, the data parameter is used to obtain the image:/** * 通过data取得图片 */Bundle extras = data.getExtras();Bitmap bitmap = (Bitmap) extras.get("data");mImageViewShow.setImageBitmap(bitmap);However, now the cell phone pixel so high, if the picture is particularly large, will the data too large and FC it? Rest assured, Android has long been t

Today, I have been struggling for a long time. I use the Android api:[Java]Bitmap bitmap = imageMap. get (url );MediaStore. Images. Media. insertImage (getContentResolver (), bitmap, "myPhoto ","");Save the bitmap to the system album. The saved image cannot be found until the album is opened. However, after restarting the phone, you can find it in the album. After the study, we found that you need to refresh the album environment to the album after wr

(IOException e) {//Todo Auto-gene Rated catch Blocke.printstacktrace ();} Recorder.start (); Stateview.settext ("recording"); btnstart.setenabled (false); btnplay.setenabled (false); Btnstop.setenabled (true); Break;case r.id.btn_stop:recorder.stop (); Recorder.release ();// We can then store our recording files in Mediastore contentvalues values = new Contentvalues (); Values.put (MediaStore.Audio.Media.TITLE, " This is my first Record-audio "); Val

1. click the button, specify the action and uri, and set the result code (ResultCode) to reach the Gallery of the default album on the mobile phone. The Code is as follows:1. public void onClick (View v ){2. // TODO Auto-generated method stub3. Intent intent = new Intent (Intent. ACTION_PICK,4. android. provider. MediaStore. Images. Media. EXTERNAL_CONTENT_URI); // start the Photo Gallery5. startActivityForResult (intent, 0 );6 .}2. Select an image a

1. click the button, specify the action and uri, and set the result code (ResultCode) to reach the Gallery of the default album on the mobile phone. The Code is as follows:1. public void onClick (View v ){2. // TODO Auto-generated method stub3. Intent intent = new Intent (Intent. ACTION_PICK,4. android. provider. MediaStore. Images. Media. EXTERNAL_CONTENT_URI); // start the Photo Gallery5. startActivityForResult (intent, 0 );6 .}2. Select an image a

);String [] tos = {"me@abc.com "};String [] ccs = {"you@abc.com "};It. putExtra (Intent. EXTRA_EMAIL, tos );It. putExtra (Intent. EXTRA_CC, ccs );It. putExtra (Intent. EXTRA_TEXT, "The email body text ");It. putExtra (Intent. EXTRA_SUBJECT, "The email subject text ");It. setType ("message/rfc822 ");StartActivity (Intent. createChooser (it, "Choose Email Client "));// Transfer the attachmentIntentit = new Intent (Intent. ACTION_SEND );It. putExtra (Intent. EXTRA_SUBJECT, "The email subject text

_my_camera_from_album = (TextView) findViewById (R. id. TV _my_camera_from_album); TV _my_camera_take_photo.setOnClickListener (new android. view. view. onClickListener () {@ Overridepublic void onClick (View v) {MyCameraDialog. this. dismiss (); // select Intent intent = new Intent ("android. media. action. IMAGE_CAPTURE "); (Activity) mContext ). startActivityForResult (intent, 0) ;}}); TV _my_camera_from_album.setOnClickListener (new android. view. view. onClickListener () {@ Overridepublic

, Uri. fromFile () is used to create A file: // style Uri object for the shared Intent object. C. images, videos, and audios can be scanned and added to a multimedia file in the system media store. You can use scanFile () to check whether the file exists. onScanCompleted () the callback method returns a Uri object used to share the content: // style contained in the Intent object. D. the insertImage () method can be used to insert an image to the MediaStore