问题描述
这个活动有一些问题，这很奇怪，因为我在另一个片段中运行相同的代码，它工作得很好，但由于某种原因，在这个活动上向上滚动时它真的断断续续。此时我不确定该怎么做，然后尝试重新编码活动以找到问题的根源。扩展布局管理器以提前加载 15 个视图是一种帮助，因为我不必加载它，但它与适配器有关以及它回收视图的方式
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_view_profile_posts);
mHostId = getIntent().getStringExtra("hostId");
mHostName = getIntent().getStringExtra("hostName");
mGroupId = getIntent().getExtras().getString("groupId");
mFirebaseStoragePosts = FirebaseStorage.getInstance("gs://enchanted-files");
mFirebaseStorageUserImg = FirebaseStorage.getInstance();
mFirebaseDatabase = FirebaseDatabase.getInstance();
mFirebaseFireStore = FirebaseFirestore.getInstance();
mTitle = (TextView) findViewById(R.id.ID_home_following_seePost_Title);
mTitle.setText("Announcements");
mGoBack = (ImageButton) findViewById(R.id.ID_home_following_seePost_goBack);
mGoBack.setonClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
finish();
}
});
mloadingLayout = (RelativeLayout) findViewById(R.id.ID_home_following_seePost_loadingView);
mnothingToShowLayout = (RelativeLayout) findViewById(R.id.ID_home_following_seePost_nothingToShowLayout);
mRecyclerView = (RecyclerView) findViewById(R.id.ID_seePost_recyclerView);
linearlayoutmanager linearlayoutmanager = new linearlayoutmanager(Group_Announcements_Activity.this);
linearlayoutmanager.setItemPrefetchEnabled(true);
linearlayoutmanager.setinitialPrefetchItemCount(15);
mRecyclerView.setLayoutManager(linearlayoutmanager);
getGroupAnnouncements();
}
`
public class AnnouncementAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
Context mContext;
List<Post> listofPost;
LayoutInflater mInflater;
public static final int withPic = 1;
public static final int withnopic = 2;
public static final int withnopic_byHost = 3;
public static final int withPic_byHost = 4;
private static final int withVideo = 5;
private static final int withVideoByHost = 6;
public AnnouncementAdapter(Context context,List<Post> list) {
mContext = context;
mInflater = LayoutInflater.from(mContext);
listofPost = new ArrayList<>(list);
}
@Override
public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent,int viewType) {
switch (viewType) {
case withPic:
View viewWithPic = mInflater.inflate(R.layout.recyclerview_item_post_with_pic,parent,false);
return new PostWithPicViewHolder(viewWithPic);
case withnopic:
View viewWithnopic = mInflater.inflate(R.layout.recyclerview_item_post_with_no_pic,false);
return new PlainTextViewHolder(viewWithnopic);
case withPic_byHost:
View viewWithPicByHost = mInflater.inflate(R.layout.recyclerview_item_post_with_pic_by_host,false);
return new PostWithPicByHostViewHolder(viewWithPicByHost);
case withnopic_byHost:
View viewWithnopicByHost = mInflater.inflate(R.layout.recyclerview_item_post_with_no_pic_by_host,false);
return new PlainTextByHostViewHolder(viewWithnopicByHost);
}
return null;
}
@Override
public void onBindViewHolder(RecyclerView.ViewHolder holder,int position) {
holder.setIsRecyclable(false);
switch (holder.getItemViewType()) {
case withPic:
PostWithPicViewHolder holderWithPic = (PostWithPicViewHolder) holder;
holderWithPic.onBind(listofPost.get(position));
break;
case withnopic:
PlainTextViewHolder holderWithnopic = (PlainTextViewHolder) holder;
holderWithnopic.onBind(listofPost.get(position));
break;
case withPic_byHost:
PostWithPicByHostViewHolder holderWithPicByHost = (PostWithPicByHostViewHolder) holder;
holderWithPicByHost.onBind(listofPost.get(position));
break;
case withnopic_byHost:
PlainTextByHostViewHolder holderWithnopicByHost = (PlainTextByHostViewHolder) holder;
holderWithnopicByHost.onBind(listofPost.get(position));
break;
}
}
@Override
public int getItemCount() {
return listofPost.size();
}
public void removePost(int pos) {
listofPost.remove(pos);
notifyItemRemoved(pos);
}
@Override
public int getItemViewType(int position) {
//if (position % 10 = 0 ) show AD
String type = listofPost.get(position).getType();
switch (type) {
case "withPic":
return withPic;
case "withnopic":
return withnopic;
case "withnopic_byHost":
return withnopic_byHost;
case "withPic_byHost":
return withPic_byHost;
}
return 0;
}
}
public class PostWithPicByHostViewHolder extends RecyclerView.ViewHolder {
//user info
private String postedBy;
private ImageView profileImg;
private TextView profileName;
//post
private String postId;
private TextView postedOn;
private String postText;
private TextView postTextView;
private String postImgPath;
private ImageView postImg;
private TextView likedCount;
private ImageButton commentImg;
private TextView commentCount;
private ImageView optionsBtn;
private long CommentsCount;
private Options_Group_Announcement_Post_ByHost_Dialog dialog;
public PostWithPicByHostViewHolder(View itemView) {
super(itemView);
postedOn = (TextView) itemView.findViewById(R.id.ID_recyclerView_postWithPic_timeStamp_by_host);
profileImg = (ImageView) itemView.findViewById(R.id.ID_recyclerView_postWithPic_hostimage_by_host);
profileImg.setonClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
UserProfile_Dialog dialog = UserProfile_Dialog.getDialogFragment(mHostId,mHostName,postedBy);
dialog.show(getSupportFragmentManager(),"");
}
});
profileName = (TextView) itemView.findViewById(R.id.ID_recyclerView_postWithPic_hostName_by_host);
profileName.setonClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
UserProfile_Dialog dialog = UserProfile_Dialog.getDialogFragment(mHostId,"");
}
});
postTextView = (TextView) itemView.findViewById(R.id.ID_recyclerView_postWithPic_postText_by_host);
postImg = (ImageView) itemView.findViewById(R.id.ID_recyclerView_postWithPic_postimage_by_host);
optionsBtn = (ImageView) itemView.findViewById(R.id.ID_recyclerView_postWitPic_postOptions_by_host);
optionsBtn.setonClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
dialog.show(getSupportFragmentManager(),"");
}
});
likedCount = (TextView) itemView.findViewById(R.id.ID_recyclerView_postWithPic_likeCount_TextView_by_host);
commentCount = (TextView) itemView.findViewById(R.id.ID_recyclerView_postWithPic_commentCount_textView_by_host);
commentImg = (ImageButton) itemView.findViewById(R.id.ID_recyclerView_postWithPic_commentImgView_by_host);
commentImg.setonClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(Group_Announcements_Activity.this,Group_Announcement_Comments_Activity.class);
intent.putExtra("hostId",mHostId);
intent.putExtra("hostName",mHostName);
intent.putExtra("groupId",mGroupId);
intent.putExtra("postId",postId);
startActivity(intent);
}
});
}
public void onBind(Post post) {
String nameStr = post.getPostProfileName();
String name = nameStr.substring(0,1).toupperCase() + nameStr.substring(1);
profileName.setText(name);
postId = post.getPostId();
postedOn.setText(post.getPostedDate());
postedBy = post.getPostedBy();
postTextView.setText(post.getPostText());
postImgPath = post.getPostimagePath();
likedCount.setText(Integer.toString(post.getLikedCount()));
String postString = post.getPostText();
if (postString != null) {
postText = postString;
} else {
postText = "";
}
getPostLikes(new FireBaseCallback() {
@Override
public void callBack(Map map) {
likedCount.setText(CompactNumberConverter.formatValue((long) map.get("likesCount")));
}
});
getCommentsCount(new FireBaseCallback() {
@Override
public void callBack(Map map) {
commentCount.setText(CompactNumberConverter.formatValue((long) map.get("totalComments")));
}
});
getimages();
dialog = Options_Group_Announcement_Post_ByHost_Dialog.getDialogFragment(mHostId,mGroupId,postId,postImgPath,postText,"imagePost");
dialog.setdismissListener(new Dialog_dismiss_Listener() {
@Override
public void simpleClose() {
}
@Override
public void updateList_and_Close() {
mAdapter.removePost(getAdapterPosition());
Toast.makeText(Group_Announcements_Activity.this,"Post was removed",Toast.LENGTH_LONG).show();
}
@Override
public void updateText_and_Close(String newText) {
if (newText != null && !newText.isEmpty()) {
Toast.makeText(Group_Announcements_Activity.this,"Post Updated",Toast.LENGTH_LONG).show();
postTextView.setVisibility(View.VISIBLE);
postTextView.setText(newText);
reConfigureEditDialog(newText);
} else {
Toast.makeText(Group_Announcements_Activity.this,Toast.LENGTH_LONG).show();
postTextView.setVisibility(View.GONE);
reConfigureEditDialog(newText);
}
}
});
}
private void reConfigureEditDialog(String newText2) {
dialog = null;
dialog = Options_Group_Announcement_Post_ByHost_Dialog.getDialogFragment(mHostId,newText2,Toast.LENGTH_LONG).show();
}
@Override
public void updateText_and_Close(String newText) {
if (!newText.isEmpty()) {
Toast.makeText(Group_Announcements_Activity.this,Toast.LENGTH_LONG).show();
postTextView.setVisibility(View.GONE);
reConfigureEditDialog(newText);
}
}
});
}
public void getimages() {
mFirebaseDatabase.getReference().child("Profile_main_picture").child(postedBy).addListenerForSingleValueEvent(new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
if (dataSnapshot.exists()) {
StorageReference imgRef = mFirebaseStorageUserImg.getReference().child((String) dataSnapshot.child("imagePath").getValue());
Glide.with(Group_Announcements_Activity.this)
.load(imgRef)
.apply(new RequestOptions()
.placeholder(R.drawable.ic_hour_glass)
.error(R.drawable.ic_person)
.dontAnimate())
.into(profileImg);
} else {
// user has no profile image
Glide.with(Group_Announcements_Activity.this)
.load(R.drawable.ic_person)
.apply(new RequestOptions()
.placeholder(R.drawable.ic_hour_glass)
.error(R.drawable.ic_person)
.dontAnimate())
.into(profileImg);
}
}
@Override
public void onCancelled(DatabaseError databaseError) {
}
});
StorageReference imageRef = mFirebaseStoragePosts.getReference().child(postImgPath);
Glide.with(Group_Announcements_Activity.this)
.load(imageRef)
.apply(new RequestOptions()
.dontAnimate()
.skipMemoryCache(true)
.diskCacheStrategy(diskCacheStrategy.RESOURCE)
.placeholder(R.drawable.ic_hour_glass))
.into(postImg);
}
private void getPostLikes(final FireBaseCallback fireBaseCallback) {
DatabaseReference postLikesRef = mFirebaseDatabase.getReference().child("group_announcement_likes").child(mGroupId).child(postId);
postLikesRef.addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
String likedBy;
long countLong = dataSnapshot.getChildrenCount();
Map<String,Object> likesMap = new HashMap<>();
likesMap.put("likesCount",countLong);
fireBaseCallback.callBack(likesMap);
}
@Override
public void onCancelled(DatabaseError databaseError) {
}
});
}
private void getCommentsCount(final FireBaseCallback firebaseCallback) {
DatabaseReference commentsRef = mFirebaseDatabase.getReference().child("group_announcement_comments").child(mGroupId).child(postId);
commentsRef.addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
CommentsCount = dataSnapshot.getChildrenCount();
Map<String,Object> commentsMap = new HashMap<>();
commentsMap.put("totalComments",CommentsCount);
firebaseCallback.callBack(commentsMap);
}
@Override
public void onCancelled(DatabaseError databaseError) {
}
});
}
}
public class PlainTextByHostViewHolder extends RecyclerView.ViewHolder {
//userInfo
private String postedBy;
private ImageView profileImg;
private TextView profileName;
//post
private String postId;
private TextView postedOn;
private String postText;
private TextView postTextView;
private TextView likedCount;
private TextView commentCount;
private ImageButton commentImg;
private ImageView optionsBtn;
private long CommentsCount;
private Options_Group_Announcement_Post_ByHost_Dialog dialog;
public PlainTextByHostViewHolder(View itemView) {
super(itemView);
postedOn = (TextView) itemView.findViewById(R.id.ID_recyclerView_postWithnopic_timeStamp_by_host);
profileImg = (ImageView) itemView.findViewById(R.id.ID_recyclerView_postWithnopic_profileImage_by_host);
profileImg.setonClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
UserProfile_Dialog dialog = UserProfile_Dialog.getDialogFragment(mHostId,"");
}
});
profileName = (TextView) itemView.findViewById(R.id.ID_recyclerView_postWithnopic_profileName_by_host);
profileName.setonClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
UserProfile_Dialog dialog = UserProfile_Dialog.getDialogFragment(mHostId,"");
}
});
postTextView = (TextView) itemView.findViewById(R.id.ID_recyclerView_postWithnopic_postText_by_host);
optionsBtn = (ImageView) itemView.findViewById(R.id.ID_recyclerView_postWithnopic_postOptions_by_host);
optionsBtn.setonClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
dialog.show(getSupportFragmentManager(),"");
}
});
likedCount = (TextView) itemView.findViewById(R.id.ID_recyclerView_postWithnopic_likeCount_TextView_by_host);
commentCount = (TextView) itemView.findViewById(R.id.ID_recyclerView_postWithnopic_commentCount_textView_by_host);
commentImg = (ImageButton) itemView.findViewById(R.id.ID_recyclerView_postWithnopic_commentImgView_by_host);
commentImg.setonClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(Group_Announcements_Activity.this,1).toupperCase() + nameStr.substring(1);
profileName.setText(name);
postId = post.getPostId();
postedOn.setText(post.getPostedDate());
postedBy = post.getPostedBy();
postTextView.setText(post.getPostText());
postTextView.setTextSize(21f);
likedCount.setText(Integer.toString(post.getLikedCount()));
String postString = post.getPostText();
if (postString != null) {
postText = postString;
} else {
postText = "";
}
getCommentsCount(new FireBaseCallback() {
@Override
public void callBack(Map map) {
commentCount.setText(CompactNumberConverter.formatValue((long) map.get("totalComments")));
}
});
getPostLikes(new FireBaseCallback() {
@Override
public void callBack(Map map) {
likedCount.setText(CompactNumberConverter.formatValue((long) map.get("likesCount")));
}
});
getimages();
dialog = Options_Group_Announcement_Post_ByHost_Dialog.getDialogFragment(mHostId,null,"plainText");
dialog.setdismissListener(new Dialog_dismiss_Listener() {
@Override
public void simpleClose() {
}
@Override
public void updateList_and_Close() {
mAdapter.removePost(getAdapterPosition());
Toast.makeText(Group_Announcements_Activity.this,Toast.LENGTH_LONG).show();
postTextView.setVisibility(View.VISIBLE);
postTextView.setText(newText);
reConfigureEditDialog(newText);
}
}
});
}
private void reConfigureEditDialog(String newText2) {
dialog = null;
dialog = Options_Group_Announcement_Post_ByHost_Dialog.getDialogFragment(mHostId,Toast.LENGTH_LONG).show();
postTextView.setVisibility(View.VISIBLE);
postTextView.setText(newText);
reConfigureEditDialog(newText);
}
}
});
}
public void getimages() {
mFirebaseDatabase.getReference().child("Profile_main_picture").child(postedBy).addListenerForSingleValueEvent(new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
if (dataSnapshot.exists()) {
StorageReference imgRef = mFirebaseStorageUserImg.getReference().child((String) dataSnapshot.child("imagePath").getValue());
Glide.with(Group_Announcements_Activity.this)
.load(imgRef)
.apply(new RequestOptions()
.placeholder(R.drawable.ic_hour_glass)
.error(R.drawable.ic_person)
.dontAnimate())
.into(profileImg);
} else {
// user has no profile image
Glide.with(Group_Announcements_Activity.this)
.load(R.drawable.ic_person)
.apply(new RequestOptions()
.placeholder(R.drawable.ic_hour_glass)
.error(R.drawable.ic_person)
.dontAnimate())
.into(profileImg);
}
}
@Override
public void onCancelled(DatabaseError databaseError) {
}
});
}
private void getPostLikes(final FireBaseCallback fireBaseCallback) {
DatabaseReference postLikesRef = mFirebaseDatabase.getReference().child("group_announcement_likes").child(mGroupId).child(postId);
postLikesRef.addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
long countLong = dataSnapshot.getChildrenCount();
Map<String,countLong);
fireBaseCallback.callBack(likesMap);
}
@Override
public void onCancelled(DatabaseError databaseError) {
}
});
}
private void getCommentsCount(final FireBaseCallback firebaseCallback) {
DatabaseReference commentsRef = mFirebaseDatabase.getReference().child("group_announcement_comments").child(mGroupId).child(postId);
commentsRef.addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
CommentsCount = dataSnapshot.getChildrenCount();
Map<String,CommentsCount);
firebaseCallback.callBack(commentsMap);
}
@Override
public void onCancelled(DatabaseError databaseError) {
}
});
}
}
解决方法
暂无找到可以解决该程序问题的有效方法，小编努力寻找整理中！
如果你已经找到好的解决方法，欢迎将解决方案带上本链接一起发送给小编。
小编邮箱:dio#foxmail.com (将#修改为@）