質問編集履歴
2
ArrayAdapter<String>について、追記
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@@ -252,6 +252,14 @@
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```
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/*
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@param ArrayAdapter<String> songList; ContentResolverからデータを読み取り、ListFragmentのListViewへ出力するArrayAdapter
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*/
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//MainfragmentのMUSICボタンから起動した時の操作
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if (extension.equals(".mp3")) { //音楽データを取得しListFragmentへ出力
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1
追加でコードを入力
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@@ -243,3 +243,183 @@
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どちらもandroidBeamには対応しているはずですが、
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端末に起因することもあるのでしょうか？
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###追加したコード（Adapter部分）
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```
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//MainfragmentのMUSICボタンから起動した時の操作
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if (extension.equals(".mp3")) { //音楽データを取得しListFragmentへ出力
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columns = new String[]{
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MediaStore.Audio.Media._ID,
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MediaStore.Audio.Media.ARTIST,
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MediaStore.Audio.Media.ALBUM,
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MediaStore.Audio.Media.DURATION,
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MediaStore.Audio.Media.TRACK,
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MediaStore.Audio.Media.TITLE
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};
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ContentResolver cr = getActivity().getContentResolver();
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Cursor cursor = cr.query(
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MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
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columns,
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null,
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null,
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null
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);
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if (cursor == null) throw new AssertionError();
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if (cursor != null) cursor.moveToFirst();
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songList = new ArrayAdapter<String>(getActivity(), android.R.layout.simple_list_item_1);
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do {
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//リストに名前を追加
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songList.add(cursor.getString(cursor.getColumnIndex(MediaStore.Audio.Media.TITLE)));
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} while (cursor.moveToNext());
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setListAdapter(songList);
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cursor.close();
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//****************
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}else if(extension.equals(".pdf")){
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//以下はpdfデータをListFragmentへ出力
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columns = new String[]{ //query第2関数
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MediaStore.Files.FileColumns.TITLE,
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MediaStore.Files.FileColumns.MIME_TYPE,
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MediaStore.Files.FileColumns.DATA
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};
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ContentResolver cr = getActivity().getContentResolver();
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Uri uri = MediaStore.Files.getContentUri("external"); //query第１関数
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//query第３関数 selectionにMIME_TYPEを指定
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String selectionMimeType = MediaStore.Files.FileColumns.MIME_TYPE + "=?";
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//query第4関数 selectionArgsを指定
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String mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension("pdf");
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String[] selectionArgsPdf = new String[]{mimeType};
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//query第5関数 sortOrderを指定 今回は指定なしの為、null
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String sortOrder = null;
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Cursor cursor = cr.query(
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uri,
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columns,
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selectionMimeType,
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387
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selectionArgsPdf,
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388
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sortOrder
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390
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);
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if (cursor == null) throw new AssertionError();
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if (cursor != null) cursor.moveToFirst();
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songList = new ArrayAdapter<String>(getActivity(), android.R.layout.simple_list_item_1);
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do {
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//リストに名前を追加
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songList.add(cursor.getString(cursor.getColumnIndex(MediaStore.Images.Media.TITLE)));
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Log.i("TAG", "TITLE: " + MediaStore.Files.FileColumns.TITLE + ":odf");
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Log.i("TAG", "MIMETYPE: " + MediaStore.Files.FileColumns.MIME_TYPE + ":pdf");
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Log.i("TAG", "DATA: " + MediaStore.Files.FileColumns.DATA + "::pdf");
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411
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} while (cursor.moveToNext());
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414
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417
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setListAdapter(songList);
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418
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cursor.close();
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420
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421
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422
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+
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423
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+
}
|
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424
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+
|
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425
|
+
```
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