下面列出了怎么用android.graphics.drawable.LevelListDrawable的API类实例代码及写法，或者点击链接到github查看源代码。
private void updateColor() {
Drawable leftDrawable = name.getCompoundDrawablesRelative()[0];
String domain = entity.getDomain();
if (leftDrawable != null && (domain.equals(LIGHT) || domain.equals(SWITCH))) {
if (!(leftDrawable instanceof LevelListDrawable)) {
LevelListDrawable levelListDrawable = new LevelListDrawable();
// Add states
levelListDrawable.addLevel(1, 1, leftDrawable);
BitmapDrawable enabledDrawable = (BitmapDrawable) leftDrawable.getConstantState().newDrawable().mutate();
enabledDrawable.setTintList(ColorStateList.valueOf(ContextCompat.getColor(name.getContext(), R.color.color_activated)));
levelListDrawable.addLevel(2, 2, enabledDrawable);
// Restore bounds
levelListDrawable.setBounds(0, 0, name.getResources().getDimensionPixelSize(R.dimen.icon_size), name.getResources().getDimensionPixelSize(R.dimen.icon_size));
// Set drawable
name.setCompoundDrawablesRelative(levelListDrawable, null, null, null);
leftDrawable = levelListDrawable;
}
leftDrawable.setLevel(entity.state.equals(HassUtils.getOnState(entity, false)) ? 1 : 2);
}
}
@Override
public void onFinishInflate() {
super.onFinishInflate();
mDeviceIcon = (ImageView) findViewById(R.id.device_icon);
mTimeLabel = (TextView) findViewById(R.id.time_label);
mDeviceLabel = (TextView) findViewById(R.id.device_label);
mExpandCollapseIcon = (ImageView) findViewById(R.id.expand_collapse_icon);
// Create drawable for expand/collapse arrow.
LevelListDrawable collapseIcon = new LevelListDrawable();
collapseIcon.addLevel(DRAWABLE_LEVEL_COLLAPSED, DRAWABLE_LEVEL_COLLAPSED,
TintedDrawable.constructTintedDrawable(getResources(), R.drawable.ic_expanded));
TintedDrawable collapse =
TintedDrawable.constructTintedDrawable(getResources(), R.drawable.ic_collapsed);
collapse.setTint(
ApiCompatibilityUtils.getColorStateList(getResources(), R.color.blue_mode_tint));
collapseIcon.addLevel(DRAWABLE_LEVEL_EXPANDED, DRAWABLE_LEVEL_EXPANDED, collapse);
mExpandCollapseIcon.setImageDrawable(collapseIcon);
}
@Override
public void onFinishInflate() {
super.onFinishInflate();
mDeviceIcon = (ImageView) findViewById(R.id.device_icon);
mTimeLabel = (TextView) findViewById(R.id.time_label);
mDeviceLabel = (TextView) findViewById(R.id.device_label);
mExpandCollapseIcon = (ImageView) findViewById(R.id.expand_collapse_icon);
// Create drawable for expand/collapse arrow.
LevelListDrawable collapseIcon = new LevelListDrawable();
collapseIcon.addLevel(DRAWABLE_LEVEL_COLLAPSED, DRAWABLE_LEVEL_COLLAPSED,
TintedDrawable.constructTintedDrawable(getResources(), R.drawable.ic_expanded));
TintedDrawable collapse =
TintedDrawable.constructTintedDrawable(getResources(), R.drawable.ic_collapsed);
collapse.setTint(
ApiCompatibilityUtils.getColorStateList(getResources(), R.color.blue_mode_tint));
collapseIcon.addLevel(DRAWABLE_LEVEL_EXPANDED, DRAWABLE_LEVEL_EXPANDED, collapse);
mExpandCollapseIcon.setImageDrawable(collapseIcon);
}
@Override
public void onFinishInflate() {
super.onFinishInflate();
mDeviceIcon = (ImageView) findViewById(R.id.device_icon);
mTimeLabel = (TextView) findViewById(R.id.time_label);
mDeviceLabel = (TextView) findViewById(R.id.device_label);
mExpandCollapseIcon = (ImageView) findViewById(R.id.expand_collapse_icon);
// Create drawable for expand/collapse arrow.
LevelListDrawable collapseIcon = new LevelListDrawable();
collapseIcon.addLevel(DRAWABLE_LEVEL_COLLAPSED, DRAWABLE_LEVEL_COLLAPSED,
TintedDrawable.constructTintedDrawable(getResources(), R.drawable.ic_expanded));
TintedDrawable collapse =
TintedDrawable.constructTintedDrawable(getResources(), R.drawable.ic_collapsed);
collapse.setTint(
ApiCompatibilityUtils.getColorStateList(getResources(), R.color.blue_mode_tint));
collapseIcon.addLevel(DRAWABLE_LEVEL_EXPANDED, DRAWABLE_LEVEL_EXPANDED, collapse);
mExpandCollapseIcon.setImageDrawable(collapseIcon);
}
@Override
public Drawable getDrawable(String source) {
LevelListDrawable d = new LevelListDrawable();
Drawable empty = context.getResources().getDrawable(R.drawable.hapcoin_icon_bg);
d.addLevel(0, 0, empty);
d.setBounds(0, 0, empty.getIntrinsicWidth(), empty.getIntrinsicHeight());
new LoadImage().execute(source, d);
return d;
}
protected void init(Context mContext) {
LayoutInflater iflater = LayoutInflater.from(mContext);
iflater.inflate(R.layout.common_bubble_dialog_left, this);
mTextView = (TextView) findViewById(R.id.common_bubble_left_text);
mTextView.setOnTouchListener(this);
mListDrawable = (LevelListDrawable) mTextView.getBackground();
}
@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);
}
private void init(AttributeSet attrs, int defStyle) {
// Load attributes
final TypedArray a = getContext().obtainStyledAttributes(
attrs, R.styleable.lingju, defStyle, 0);
LayoutInflater.from(getContext()).inflate(R.layout.search_online_box, this);
mLlRoot = findViewById(R.id.ll_root);
edit = (EditText) findViewById(R.id.sob_search_edit);
stateBt = (ImageButton) findViewById(R.id.sob_state_bt);
animate = AnimationUtils.loadAnimation(getContext(), R.anim.start_up_loading);
animate.setInterpolator(new LinearInterpolator());
drawable = (LevelListDrawable) stateBt.getDrawable();
edit.addTextChangedListener(searhWatcher);
edit.setOnEditorActionListener(editorActionListener);
edit.setOnClickListener(editorClickListener);
stateBt.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
if (stateBt.getVisibility() == View.VISIBLE && drawable.getLevel() == 1) {
edit.setText("");
stateBt.setVisibility(View.INVISIBLE);
}
}
});
edit.setHint(a.getString(R.styleable.lingju_hint));
// edit.setHintTextColor(getResources().getColor(R.color.navi_search_box_color));
edit.setHintTextColor(a.getColor(R.styleable.lingju_hintColor, getResources().getColor(R.color.navi_search_box_color)));
edit.setTextColor(a.getColor(R.styleable.lingju_textColor, getResources().getColor(R.color.ksw_md_solid_disable)));
mLlRoot.setBackgroundColor(a.getColor(R.styleable.lingju_search_background, getResources().getColor(R.color.green_style)));
//edit.setTextSize(a.getFloat(com.android.internal.R.styleable.TextView_textSize,12));
a.recycle();
}
@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;
}
}
@Override
public Object instantiateItem(ViewGroup container, int position) {
Log.i(TAG, "instantiateItem>>>" + position);
View child = chilren.get(position);
if (child == null) {
child = inflater.inflate(R.layout.target_poi_item_detail, null);
chilren.put(position, child);
}
child.findViewById(R.id.tpid_target_confirm_bt).setOnClickListener(clickListener);
child.findViewById(R.id.tpid_target_confirm_bt).setTag(position);
((TextView) child.findViewById(R.id.tpid_name_text)).setText((position + 1) + "." + aList.get(position).getName());
((TextView) child.findViewById(R.id.tpid_address_text)).setText(aList.get(position).getAddress());
Double distance = DistanceUtil.getDistance(new LatLng(address.getLatitude(), address.getLongitude()),
poiInfoList.get(position).location) / 1000;
((TextView) child.findViewById(R.id.tpid_distance_text)).setText(String.format("%.1f", distance) + "km");
child.findViewById(R.id.tpid_set_target_bt).setOnClickListener(clickListener);
child.findViewById(R.id.tpid_set_target_bt).setTag(position);
TextView ft = (TextView) child.findViewById(R.id.tpid_favorite_bt);
ft.setOnClickListener(clickListener);
ft.setTag(position);
if (aList.get(position).getFavoritedTime() != null) {
ft.setText("已收藏");
((LevelListDrawable) ft.getBackground()).setLevel(1);
}
container.addView(child, 0);
return chilren.get(position);
}
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 void apply(ProteusView view, Context context, ProteusLayoutInflater.ImageLoader loader, Callback callback) {
final LevelListDrawable levelListDrawable = new LevelListDrawable();
for (Level level : levels) {
level.apply(view, levelListDrawable);
}
}
@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;
}
ImageGetterAsyncTask(Context context, String source, LevelListDrawable levelListDrawable) {
this.context = context;
this.source = source;
this.levelListDrawable = levelListDrawable;
}
@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;
}
public void apply(ProteusView view, final LevelListDrawable levelListDrawable) {
levelListDrawable.addLevel(minLevel, maxLevel, DrawableResourceProcessor.evaluate(drawable, view));
}