android.graphics.drawable.LevelListDrawable#setLevel()源码实例Demo

@Override
public void onBindViewHolder(ChooseSetAdapter.SetHolder holder, int position) {
    int page = position + 1;
    LevelListDrawable ld = (LevelListDrawable) holder.mTvSetCount.getBackground();
    if (page == currentPage) {
        ld.setLevel(1);
        holder.mTvSetCount.setTextColor(mContext.getResources().getColor(R.color.white));
    } else {
        ld.setLevel(0);
        holder.mTvSetCount.setTextColor(mContext.getResources().getColor(R.color.new_text_color_first));
    }
    setText(holder.mTvSetCount, page);
}
 

@OnClick({R.id.tv_subscribe, R.id.tv_choose_set, R.id.ll_play_track_box, R.id.iv_ting_switch})
public void onClick(View view) {
    TingAlbumMsg albumMsg = (TingAlbumMsg) datas.get(getAdapterPosition());
    Album album = albumMsg.getAlbums().get(0);
    switch (view.getId()) {
        case R.id.tv_subscribe:
            LevelListDrawable ld = (LevelListDrawable) mTvSubscribe.getBackground();
            if (ld.getLevel() == 0) {      //订阅
                ld.setLevel(1);
                mTvSubscribe.setText("已订阅");
                TingAlbumDao.getInstance().insertSubscribe(album);
            } else {
                ld.setLevel(0);
                mTvSubscribe.setText("订阅");
                TingAlbumDao.getInstance().delSubscribeById(album.getId());
            }
            break;
        case R.id.tv_choose_set:
            Intent intent = new Intent(mContext, TingAlbumDetailActivity.class);
            intent.putExtra(TingAlbumDetailActivity.ALBUM_ID, album.getId());
            int type = album.getCoverUrlMiddle().contains(TingPlayProcessor.KAOLA_FM) ? TingAlbumDetailActivity.KAOLA : TingAlbumDetailActivity.XIMALAYA;
            intent.putExtra(TingAlbumDetailActivity.ALBUM_TYPE, type);
            mContext.startActivity(intent);
            ((Activity) mContext).overridePendingTransition(R.anim.activity_start_in, R.anim.activity_start_out);
            break;
        case R.id.ll_play_track_box:
        case R.id.iv_ting_switch:
            boolean isPlaying = XmlyManager.get().isPlaying();
            if (isPlaying) {
                XmPlayerManager.getInstance(mContext).pause();
            } else {
                XmPlayerManager.getInstance(mContext).play();
            }
            break;
    }
}
 

public void setDot(int position) {
    mBeginBt.setVisibility(View.GONE);
    for (int i = 0; i < mllDot.getChildCount(); i++) {
        View dotView = mllDot.getChildAt(i);
        LevelListDrawable ld = (LevelListDrawable) dotView.getBackground();
        ld.setLevel(position == i ? 1 : 0);
    }
}
 

@Override
public Drawable parse(ParseRequest request) {
  final Context ctx = request.context();
  final AttributeSet attrs = request.attrs();
  LevelListDrawable lld = new LevelListDrawable();
  TypedArray a = ctx.obtainStyledAttributes(attrs, R.styleable.Folivora_Level);
  if (a.hasValue(R.styleable.Folivora_Level_levelItem0Drawable)) {
    lld.addLevel(
      a.getInt(R.styleable.Folivora_Level_levelItem0MinLevel, 0),
      a.getInt(R.styleable.Folivora_Level_levelItem0MaxLevel, 0),
      getDrawable(ctx, a, attrs, R.styleable.Folivora_Level_levelItem0Drawable)
    );
  }
  if (a.hasValue(R.styleable.Folivora_Level_levelItem1Drawable)) {
    lld.addLevel(
      a.getInt(R.styleable.Folivora_Level_levelItem1MinLevel, 0),
      a.getInt(R.styleable.Folivora_Level_levelItem1MaxLevel, 0),
      getDrawable(ctx, a, attrs, R.styleable.Folivora_Level_levelItem1Drawable)
    );
  }
  if (a.hasValue(R.styleable.Folivora_Level_levelItem2Drawable)) {
    lld.addLevel(
      a.getInt(R.styleable.Folivora_Level_levelItem2MinLevel, 0),
      a.getInt(R.styleable.Folivora_Level_levelItem2MaxLevel, 0),
      getDrawable(ctx, a, attrs, R.styleable.Folivora_Level_levelItem2Drawable)
    );
  }
  if (a.hasValue(R.styleable.Folivora_Level_levelItem3Drawable)) {
    lld.addLevel(
      a.getInt(R.styleable.Folivora_Level_levelItem3MinLevel, 0),
      a.getInt(R.styleable.Folivora_Level_levelItem3MaxLevel, 0),
      getDrawable(ctx, a, attrs, R.styleable.Folivora_Level_levelItem3Drawable)
    );
  }
  if (a.hasValue(R.styleable.Folivora_Level_levelItem4Drawable)) {
    lld.addLevel(
      a.getInt(R.styleable.Folivora_Level_levelItem4MinLevel, 0),
      a.getInt(R.styleable.Folivora_Level_levelItem4MaxLevel, 0),
      getDrawable(ctx, a, attrs, R.styleable.Folivora_Level_levelItem4Drawable)
    );
  }
  lld.setLevel(a.getInt(R.styleable.Folivora_Level_levelCurrentLevel, 0));
  a.recycle();
  return lld;
}
 

@Override
public void switchAccountType(int type) {
    LevelListDrawable ld = (LevelListDrawable) mAibType1.getBackground();
    ld.setLevel(type);
}
 

private void updatePlayBar(boolean playing) {
    LevelListDrawable drawable = (LevelListDrawable) mPlayBt.getDrawable();
    drawable.setLevel(playing ? 0 : 1);
}
 

@Override
public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {
    if (position == 0) {
        HeaderHolder headerHolder = (HeaderHolder) holder;
        //专辑详情
        Glide.with(mContext).load(mAlbum.getCoverUrlMiddle()).into(headerHolder.mIvAlbum);
        headerHolder.mTvAlbumTitle.setText(mAlbum.getAlbumTitle());
        LastUpTrack lastUptrack = mAlbum.getLastUptrack();
        StringBuilder sb = new StringBuilder();
        headerHolder.mTvLastTrack.setText(sb.append("更新至").append(TimeUtils.formatDate(new Date(lastUptrack.getCreatedAt()))).append("  ").append(lastUptrack.getTrackTitle()).toString());
        sb.setLength(0);
        headerHolder.mTvPlayCount.setText(sb.append(StringUtils.formPlayCount(mAlbum.getPlayCount())).append("次播放").toString());
        sb.setLength(0);
        headerHolder.mTvTrackCount.setText(sb.append(mAlbum.getIncludeTrackCount()).append("集").toString());
        //订阅状态
        boolean isSubscribe = mAlbumDao.isSubscribe(mAlbumId);
        headerHolder.mTvSubscribe.setText(isSubscribe ? "已订阅" : "订阅");
        LevelListDrawable ld = (LevelListDrawable) headerHolder.mTvSubscribe.getBackground();
        ld.setLevel(isSubscribe ? 1 : 0);

        if (mHistory != null) {
            headerHolder.mRlHistoryBox.setVisibility(View.VISIBLE);
            sb.setLength(0);
            headerHolder.mTvHistoryTitle.setText(sb.append("继续播放：").append(mHistory.getTrackTitle()).toString());
            sb.setLength(0);
            NumberFormat nf = NumberFormat.getPercentInstance();
            //返回数的整数部分所允许的最大位数
            nf.setMaximumIntegerDigits(3);
            //返回数的小数部分所允许的最大位数
            nf.setMaximumFractionDigits(0);
            headerHolder.mTvProgress.setText(sb.append("已播  ").append(nf.format(mHistory.getBreakPos() / (double) mHistory.getDuration())).toString());
            headerHolder.mIvTingSwitch.setImageLevel((XmlyManager.get().isPlaying() && playTrackId == mHistory.getTrackId()) ? 1 : 0);
        } else {
            headerHolder.mRlHistoryBox.setVisibility(View.GONE);
        }

    } else {
        Track track = mTracks.get(position);
        TrackDetailHolder detailHolder = (TrackDetailHolder) holder;
        detailHolder.mTvTrackTitle.setText(track.getTrackTitle());
        detailHolder.mTvTrackTitle.setTextColor(track.getDataId() == playTrackId
                ? mContext.getResources().getColor(R.color.second_base_color)
                : mContext.getResources().getColor(R.color.new_text_color_first));
        detailHolder.mIvTingSwitch.setImageLevel(0);
        if (track.getDataId() == playTrackId)
            detailHolder.mIvTingSwitch.setImageLevel(XmlyManager.get().isPlaying() ? 1 : 0);
        detailHolder.mTvCreated.setText(TimeUtils.getInstance().getDateString(new Date(track.getCreatedAt())));
        detailHolder.mTvDuration.setText(new SimpleDate().formDuration(track.getDuration()));
    }
}
 

private Drawable getLevelDrawable(Context context) {
  LevelListDrawable drawable =
      (LevelListDrawable) context.getResources().getDrawable(levelDrawableId);
  drawable.setLevel(0);
  return drawable;
}