仿今日头条，实现tab栏管理界面，可调整tab的分组和顺序
Add it in your root build.gradle at the end of repositories:
allprojects {
repositories {
...
maven { url 'https://jitpack.io' }
}
}
dependencies {
compile 'com.github.jessieeeee:SelectLabelTab:v1.0.2'
}
- TabListAdapter
public class TabListAdapter extends BaseTabListAdapter{
private LayoutInflater mInflater;
private List<MainTitleDTO> myItems, otherItems;//我的tab项，其余tab项
public TabListAdapter(Context context, ItemTouchHelper helper, List<MainTitleDTO> myItems, List<MainTitleDTO> otherItems) {
super(myItems,otherItems);
this.mInflater = LayoutInflater.from(context);
this.mItemTouchHelper = helper;
this.myItems = myItems;
this.otherItems = otherItems;
}
@Override
public RecyclerView.ViewHolder onCreateViewHolder(final ViewGroup parent, int viewType) {
final View view;
switch (viewType) {
case BaseTabListAdapter.TYPE_MY_HEADER://我的分页标题
view = mInflater.inflate(R.layout.item_my_header, parent, false);
final MyHeaderViewHolder holder = new MyHeaderViewHolder(view);
holder.tvBtnEdit.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (!isEditMode) {
startEditMode((RecyclerView) parent);
holder.tvBtnEdit.setText(R.string.finish);
} else {
cancelEditMode((RecyclerView) parent);
holder.tvBtnEdit.setText(R.string.edit);
}
}
});
return holder;
case BaseTabListAdapter.TYPE_MY: //我的分页
view = mInflater.inflate(R.layout.item_my, parent, false);
final MyViewHolder myHolder = new MyViewHolder(view);
//item点击监听
myHolder.textView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(final View v) {
int position = myHolder.getAdapterPosition();
//编辑模式
if (isEditMode) {
//执行移动到其他分页的逻辑和动画
RecyclerviewAnimator.myToOther(position,(RecyclerView) parent,TabListAdapter.this,myHolder,myItems);
} else {
//执行点击事件回调
onMyItemClickListener.onItemClick(v, position - BaseTabListAdapter.COUNT_PRE_MY_HEADER);
}
}
});
//长按监听
myHolder.textView.setOnLongClickListener(new View.OnLongClickListener() {
@Override
public boolean onLongClick(final View v) {
//非编辑模式下
if (!isEditMode) {
RecyclerView recyclerView = ((RecyclerView) parent);
//启动开始编辑
startEditMode(recyclerView);
// header 按钮文字 改成 "完成"
View view = recyclerView.getChildAt(0);
if (view == recyclerView.getLayoutManager().findViewByPosition(0)) {
TextView tvBtnEdit = (TextView) view.findViewById(R.id.tv_btn_edit);
tvBtnEdit.setText(R.string.finish);
}
}
//开始拖拽
mItemTouchHelper.startDrag(myHolder);
return true;
}
});
//触摸监听
myHolder.textView.setOnTouchListener(new View.OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
if (isEditMode) {
int position = myHolder.getAdapterPosition();
if(position == 1){//过滤第一个
return false;
}
switch (MotionEventCompat.getActionMasked(event)) {
case MotionEvent.ACTION_DOWN:
//按下时间记录
startTime = System.currentTimeMillis();
break;
case MotionEvent.ACTION_MOVE:
//如果当前时间-按下时间大于间隔时间，判定为拖拽
if (System.currentTimeMillis() - startTime > BaseTabListAdapter.SPACE_TIME) {
mItemTouchHelper.startDrag(myHolder);
}
break;
case MotionEvent.ACTION_CANCEL:
case MotionEvent.ACTION_UP:
startTime = 0;
break;
}
}
return false;
}
});
return myHolder;
case BaseTabListAdapter.TYPE_OTHER_HEADER: //其他分页标题
view = mInflater.inflate(R.layout.item_other_header, parent, false);
return new RecyclerView.ViewHolder(view) {
};
case BaseTabListAdapter.TYPE_OTHER: //其他分页
view = mInflater.inflate(R.layout.item_other, parent, false);
final OtherViewHolder otherHolder = new OtherViewHolder(view);
otherHolder.textView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
//不管什么模式，都执行移动到我的分页逻辑和动画
RecyclerviewAnimator.otherToMy((RecyclerView) parent,TabListAdapter.this,otherHolder,myItems,otherItems);
}
});
return otherHolder;
}
return null;
}
@Override
public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {
//我的分页
if (holder instanceof MyViewHolder) {
MyViewHolder myHolder = (MyViewHolder) holder;
myHolder.textView.setText(myItems.get(position - BaseTabListAdapter.COUNT_PRE_MY_HEADER).getTitle());
if(position == 1){//过滤第一个,字体颜色更改
myHolder.textView.setTextColor(Color.GRAY);
}
if (isEditMode) {
myHolder.imgEdit.setVisibility(View.VISIBLE);
} else {
myHolder.imgEdit.setVisibility(View.INVISIBLE);
}
}
//其他分页
else if (holder instanceof OtherViewHolder) {
((OtherViewHolder) holder).textView.setText(otherItems.get(position - myItems.size() - BaseTabListAdapter.COUNT_PRE_OTHER_HEADER).getTitle());
}
//我的分页标题
else if (holder instanceof MyHeaderViewHolder) {
MyHeaderViewHolder headerHolder = (MyHeaderViewHolder) holder;
if (isEditMode) {
headerHolder.tvBtnEdit.setText(R.string.finish);
} else {
headerHolder.tvBtnEdit.setText(R.string.edit);
}
}
}
//开启编辑
protected void startEditMode(RecyclerView parent) {
isEditMode = true; //更新标志
//得到item数量
int visibleChildCount = parent.getChildCount();
//遍历item的view
for (int i = 0; i < visibleChildCount; i++) {
View view = parent.getChildAt(i);
if(i == 1){//过滤第一个，屏蔽点击事件
TextView textView = (TextView) view.findViewById(R.id.tv);
textView.setTextColor(Color.GRAY);
textView.setClickable(false);
textView.setEnabled(false);
}else { //设置右上角按钮可见
ImageView imgEdit = (ImageView) view.findViewById(R.id.img_edit);
if (imgEdit != null) {
imgEdit.setVisibility(View.VISIBLE);
}
}
}
}
//完成编辑
protected void cancelEditMode(RecyclerView parent) {
isEditMode = false;//更新标志
//得到item数量
int visibleChildCount = parent.getChildCount();
//遍历item的view
for (int i = 0; i < visibleChildCount; i++) {
View view = parent.getChildAt(i);
if(i == 1){ //过滤第一个，恢复点击事件
TextView textView = (TextView) view.findViewById(R.id.tv);
textView.setTextColor(Color.GRAY);
textView.setClickable(true);
textView.setEnabled(true);
}else { //设置右上角按钮不可见
ImageView imgEdit = (ImageView) view.findViewById(R.id.img_edit);
if (imgEdit != null) {
imgEdit.setVisibility(View.INVISIBLE);
}
}
}
}
//我的分页holder
public static class MyViewHolder extends RecyclerView.ViewHolder implements OnItemDragListener {
private TextView textView;
private ImageView imgEdit;
public MyViewHolder(View itemView) {
super(itemView);
textView = itemView.findViewById(R.id.tv);
imgEdit = itemView.findViewById(R.id.img_edit);
}
//item 被选中时
@Override
public void onItemSelected() {
textView.setBackgroundResource(R.drawable.bg_channel_p);
}
//item 取消选中时
@Override
public void onItemFinish() {
textView.setBackgroundResource(R.drawable.bg_channel);
}
}
//其他分页holder
public static class OtherViewHolder extends RecyclerView.ViewHolder {
private TextView textView;
public OtherViewHolder(View itemView) {
super(itemView);
textView = itemView.findViewById(R.id.tv);
}
}
//我的分页标题holder
public static class MyHeaderViewHolder extends RecyclerView.ViewHolder {
private TextView tvBtnEdit;
public MyHeaderViewHolder(View itemView) {
super(itemView);
tvBtnEdit = itemView.findViewById(R.id.tv_btn_edit);
}
}