2021/5/7团队

1.今日收获内容
大致地完成了本地音乐播放功能，在真机上测试了一下，可以获取本地的音乐并进行播放

public class LocalMusicFragment extends BaseFragment implements AdapterView.OnItemClickListener, OnMoreClickListener {
    @Bind(R.id.lv_local_music)
    private ListView lvLocalMusic;
    @Bind(R.id.v_searching)
    private TextView vSearching;

    private Loader<Cursor> loader;
    private PlaylistAdapter adapter;

    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container,
            @Nullable Bundle savedInstanceState) {
        return inflater.inflate(R.layout.fragment_local_music, container, false);
    }

    @Override
    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);

        adapter = new PlaylistAdapter(AppCache.get().getLocalMusicList());
        adapter.setOnMoreClickListener(this);
        lvLocalMusic.setAdapter(adapter);
        loadMusic();
    }

    private void loadMusic() {
        lvLocalMusic.setVisibility(View.GONE);
        vSearching.setVisibility(View.VISIBLE);
        PermissionReq.with(this)
                .permissions(Manifest.permission.READ_EXTERNAL_STORAGE, Manifest.permission.WRITE_EXTERNAL_STORAGE)
                .result(new PermissionReq.Result() {
                    @Override
                    public void onGranted() {
                        initLoader();
                    }

                    @Override
                    public void onDenied() {
                        ToastUtils.show(R.string.no_permission_storage);
                        lvLocalMusic.setVisibility(View.VISIBLE);
                        vSearching.setVisibility(View.GONE);
                    }
                })
                .request();
    }

    private void initLoader() {
        loader = getActivity().getLoaderManager().initLoader(0, null, new MusicLoaderCallback(getContext(), value -> {
            AppCache.get().getLocalMusicList().clear();
            AppCache.get().getLocalMusicList().addAll(value);
            lvLocalMusic.setVisibility(View.VISIBLE);
            vSearching.setVisibility(View.GONE);
            adapter.notifyDataSetChanged();
        }));
    }

    @Subscribe(tags = { @Tag(RxBusTags.SCAN_MUSIC) })
    public void scanMusic(Object object) {
        if (loader != null) {
            loader.forceLoad();
        }
    }

    @Override
    protected void setListener() {
        lvLocalMusic.setOnItemClickListener(this);
    }

    @Override
    public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
        Music music = AppCache.get().getLocalMusicList().get(position);
        AudioPlayer.get().addAndPlay(music);
        ToastUtils.show("已添加到播放列表");
    }

    @Override
    public void onMoreClick(final int position) {
        Music music = AppCache.get().getLocalMusicList().get(position);
        AlertDialog.Builder dialog = new AlertDialog.Builder(getContext());
        dialog.setTitle(music.getTitle());
        dialog.setItems(R.array.local_music_dialog, (dialog1, which) -> {
            switch (which) {
                case 0:// 分享
                    shareMusic(music);
                    break;
                case 1:// 设为铃声
                    requestSetRingtone(music);
                    break;
                case 2:// 查看歌曲信息
                    MusicInfoActivity.start(getContext(), music);
                    break;
                case 3:// 删除
                    deleteMusic(music);
                    break;
            }
        });
        dialog.show();
    }

    /**
     * 分享音乐
     */
    private void shareMusic(Music music) {
        File file = new File(music.getPath());
        Intent intent = new Intent(Intent.ACTION_SEND);
        intent.setType("audio/*");
        intent.putExtra(Intent.EXTRA_STREAM, Uri.fromFile(file));
        startActivity(Intent.createChooser(intent, getString(R.string.share)));
    }

    private void requestSetRingtone(final Music music) {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M && !Settings.System.canWrite(getContext())) {
            ToastUtils.show(R.string.no_permission_setting);
            Intent intent = new Intent(Settings.ACTION_MANAGE_WRITE_SETTINGS);
            intent.setData(Uri.parse("package:" + getContext().getPackageName()));
            startActivityForResult(intent, RequestCode.REQUEST_WRITE_SETTINGS);
        } else {
            setRingtone(music);
        }
    }

    /**
     * 设置铃声
     */
    private void setRingtone(Music music) {
        Uri uri = MediaStore.Audio.Media.getContentUriForPath(music.getPath());
        // 查询音乐文件在媒体库是否存在
        Cursor cursor = getContext().getContentResolver()
                .query(uri, null, MediaStore.MediaColumns.DATA + "=?", new String[] { music.getPath() }, null);
        if (cursor == null) {
            return;
        }
        if (cursor.moveToFirst() && cursor.getCount() > 0) {
            String _id = cursor.getString(0);
            ContentValues values = new ContentValues();
            values.put(MediaStore.Audio.Media.IS_MUSIC, true);
            values.put(MediaStore.Audio.Media.IS_RINGTONE, true);
            values.put(MediaStore.Audio.Media.IS_ALARM, false);
            values.put(MediaStore.Audio.Media.IS_NOTIFICATION, false);
            values.put(MediaStore.Audio.Media.IS_PODCAST, false);

            getContext().getContentResolver()
                    .update(uri, values, MediaStore.MediaColumns.DATA + "=?", new String[] { music.getPath() });
            Uri newUri = ContentUris.withAppendedId(uri, Long.valueOf(_id));
            RingtoneManager.setActualDefaultRingtoneUri(getContext(), RingtoneManager.TYPE_RINGTONE, newUri);
            ToastUtils.show(R.string.setting_ringtone_success);
        }
        cursor.close();
    }

    private void deleteMusic(final Music music) {
        AlertDialog.Builder dialog = new AlertDialog.Builder(getContext());
        String title = music.getTitle();
        String msg = getString(R.string.delete_music, title);
        dialog.setMessage(msg);
        dialog.setPositiveButton(R.string.delete, (dialog1, which) -> {
            File file = new File(music.getPath());
            if (file.delete()) {
                // 刷新媒体库
                Intent intent =
                        new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, Uri.parse("file://".concat(music.getPath())));
                getContext().sendBroadcast(intent);
            }
        });
        dialog.setNegativeButton(R.string.cancel, null);
        dialog.show();
    }

    @Override
    public void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if (requestCode == RequestCode.REQUEST_WRITE_SETTINGS) {
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M && Settings.System.canWrite(getContext())) {
                ToastUtils.show(R.string.grant_permission_setting);
            }
        }
    }

    @Override
    public void onSaveInstanceState(Bundle outState) {
        int position = lvLocalMusic.getFirstVisiblePosition();
        int offset = (lvLocalMusic.getChildAt(0) == null) ? 0 : lvLocalMusic.getChildAt(0).getTop();
        outState.putInt(Keys.LOCAL_MUSIC_POSITION, position);
        outState.putInt(Keys.LOCAL_MUSIC_OFFSET, offset);
    }

    public void onRestoreInstanceState(final Bundle savedInstanceState) {
        lvLocalMusic.post(() -> {
            int position = savedInstanceState.getInt(Keys.LOCAL_MUSIC_POSITION);
            int offset = savedInstanceState.getInt(Keys.LOCAL_MUSIC_OFFSET);
            lvLocalMusic.setSelectionFromTop(position, offset);
        });
    }
}

可以播放本地音乐

2.遇到的问题

音乐代码
3.明天目标