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Blogger/app/src/main/java/com/example/hi/blogger/MyCustomAdapter.java

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+package com.example.hi.blogger;
+
+import android.app.Dialog;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.database.Cursor;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.os.Bundle;
+import android.os.Environment;
+import android.os.Handler;
+import android.support.v7.app.ActionBar;
+import android.support.v7.app.AlertDialog;
+import android.support.v7.widget.RecyclerView;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.Window;
+import android.view.WindowManager;
+import android.view.animation.Animation;
+import android.view.animation.AnimationUtils;
+import android.widget.ImageButton;
+import android.widget.ImageView;
+import android.widget.TextView;
+import android.widget.Toast;
+
+
+import com.google.firebase.auth.FirebaseAuth;
+import com.google.firebase.database.ChildEventListener;
+import com.google.firebase.database.DataSnapshot;
+import com.google.firebase.database.DatabaseError;
+import com.google.firebase.database.DatabaseReference;
+import com.google.firebase.database.FirebaseDatabase;
+import com.google.firebase.database.ValueEventListener;
+import com.squareup.picasso.Picasso;
+
+import java.io.File;
+import java.util.ArrayList;
+
+import static android.os.Looper.getMainLooper;
+
+/**
+ * Created by HI on 18-July-17.
+ */
+public class MyCustomAdapter extends RecyclerView.Adapter<MyCustomAdapter.myviewholder> {
+
+    Context context;
+    ArrayList<Blog> list;
+    LayoutInflater inflator;
+	int lastPosition = 1;
+	boolean mprogressLike = true,mprogressview = true;
+	DatabaseReference likeDatabaseReference;
+	FirebaseAuth firebaseAuth;
+	DatabaseReference blogDatabaseReference;
+
+
+	public MyCustomAdapter(Context context, ArrayList<Blog> list,DatabaseReference likeDatabaseReference,FirebaseAuth firebaseAuth,DatabaseReference blogDatabaseReference) {
+
+        this.context=context;
+        this.list=list;
+		inflator=LayoutInflater.from(context);
+		this.likeDatabaseReference=likeDatabaseReference;
+		this.firebaseAuth=firebaseAuth;
+		this.blogDatabaseReference=blogDatabaseReference;
+    }
+
+    @Override
+    public myviewholder onCreateViewHolder(ViewGroup parent, int position) {
+        View v=inflator.inflate(R.layout.row_element,parent,false);//this view will contain appearance of each layout i.e each row..
+        myviewholder holder=new myviewholder(v);// we are passing the view of each row to the myviewholder class
+        return holder;
+    }
+
+    @Override
+    public void onBindViewHolder(final myviewholder holder, int position) {//here we will inflate datas in the widgets i.e image and title..
+        //It is called for each row..so every row is inflated here..
+
+	    final Blog p=list.get(position);
+	    holder.desc.setText(p.getDescription());
+	    holder.title.setText(p.getTitle());
+	    holder.username.setText(p.getUsername());
+	    Picasso.with(context).load(p.getUrl()).into(holder.imageview);
+	    Picasso.with(context).load(p.getImage()).into(holder.userdp);
+
+	    likeDatabaseReference.addValueEventListener(new ValueEventListener()
+	    {
+		    @Override
+		    public void onDataChange(DataSnapshot dataSnapshot)
+		    {
+
+
+				    String post_key = p.getPostkey().toString();
+				    if(dataSnapshot.child(post_key).hasChild(firebaseAuth.getCurrentUser().getUid()))
+				    {
+					    holder.likebtn.setImageResource(R.mipmap.liked);
+				    }
+				    else
+				    {
+
+					    holder.likebtn.setImageResource(R.mipmap.notliked);
+				    }
+
+		    }
+
+		    @Override
+		    public void onCancelled(DatabaseError databaseError)
+		    {
+
+		    }
+	    });
+
+	    likeDatabaseReference.addValueEventListener(new ValueEventListener()
+	    {
+		    String post_key = p.getPostkey().toString();
+
+		    @Override
+		    public void onDataChange(DataSnapshot dataSnapshot)
+		    {
+			    if(dataSnapshot.child(post_key).getChildrenCount()>1)
+			         holder.likeno.setText(dataSnapshot.child(post_key).getChildrenCount()+" "+"Likes");
+			    else
+				    holder.likeno.setText(dataSnapshot.child(post_key).getChildrenCount()+" "+"Like");
+
+		    }
+
+		    @Override
+		    public void onCancelled(DatabaseError databaseError)
+		    {
+
+		    }
+	    });
+
+	    blogDatabaseReference.addValueEventListener(new ValueEventListener()
+	    {
+		    String post_key = p.getPostkey().toString();
+
+		    @Override
+		    public void onDataChange(DataSnapshot dataSnapshot)
+		    {
+			    try
+			    {
+				    String v = dataSnapshot.child(post_key).child("views").getValue().toString();
+				    int view = Integer.parseInt(v);
+				    if (view > 0)
+				    {
+					    holder.viewbtn.setImageResource(R.mipmap.eyeviewed);
+					    holder.viewno.setText(view + " " + "views");
+				    }
+				    else
+				    {
+					    holder.viewbtn.setImageResource(R.mipmap.eye);
+					    holder.viewno.setText(view + " " + "view");
+				    }
+			    }catch (Exception e)
+			    {}
+
+		    }
+
+		    @Override
+		    public void onCancelled(DatabaseError databaseError)
+		    {
+
+		    }
+	    });
+
+    }
+
+
+
+    @Override
+    public int getItemCount() {
+        return list.size();
+    }
+
+    public class myviewholder extends RecyclerView.ViewHolder implements View.OnClickListener
+    {
+	    // It contains the elements in each row that we will inflate in the recyclerView..
+	    TextView title,desc,username,likeno,viewno;
+	    ImageView imageview,userdp;
+	    ImageButton likebtn,viewbtn;
+
+	    public myviewholder(View itemView)
+	    {
+		    super(itemView);
+		    title = (TextView) itemView.findViewById(R.id.posttitle);//here we link with the elements of each view i.e each row and
+		    desc = (TextView) itemView.findViewById(R.id.postdesc);//here we link with the elements of each view i.e each row and
+		    username = (TextView) itemView.findViewById(R.id.username);
+		    viewno = (TextView) itemView.findViewById(R.id.viewno);
+		    likeno = (TextView) itemView.findViewById(R.id.likeno);
+		    userdp = (ImageView) itemView.findViewById(R.id.userdp);
+		    imageview = (ImageView) itemView.findViewById(R.id.postImage);//here we link with the elements of each view i.e each row and
+			likebtn = (ImageButton)itemView.findViewById(R.id.likebtn);
+		    viewbtn = (ImageButton)itemView.findViewById(R.id.viewbtn);
+
+
+		    likebtn.setOnClickListener(new View.OnClickListener()
+		    {
+			    @Override
+			    public void onClick(View view)
+			    {
+					mprogressLike = true;
+				    likeDatabaseReference.addValueEventListener(new ValueEventListener()
+				    {
+					    @Override
+					    public void onDataChange(DataSnapshot dataSnapshot)
+					    {
+						    if(mprogressLike)
+						    {
+							    Blog b = list.get(getAdapterPosition());
+							    String post_key = b.getPostkey().toString();
+							    if(dataSnapshot.child(post_key).hasChild(firebaseAuth.getCurrentUser().getUid()))
+							    {
+								    likeDatabaseReference.child(post_key).child(firebaseAuth.getCurrentUser().getUid()).removeValue();
+								    mprogressLike = false;
+
+							    }
+							    else
+							    {
+								    likeDatabaseReference.child(post_key).child(firebaseAuth.getCurrentUser().getUid()).setValue("default");
+								    mprogressLike = false;
+
+							    }
+						    }
+					    }
+
+					    @Override
+					    public void onCancelled(DatabaseError databaseError)
+					    {
+
+					    }
+				    });
+			    }
+		    });
+
+	        itemView.setOnClickListener(this);
+	      }
+
+
+	    @Override
+	    public void onClick(View view)
+	    {
+		    mprogressview = true;
+		   int pos = getAdapterPosition();
+		    Blog b = list.get(pos);
+		   final DatabaseReference viewReference = blogDatabaseReference.child(b.getPostkey().toString());
+
+		    viewReference.addValueEventListener(new ValueEventListener()
+		    {
+			    @Override
+			    public void onDataChange(DataSnapshot dataSnapshot)
+			    {
+				    try
+				    {
+					    if (mprogressview && !(dataSnapshot.child("uid").getValue().toString().equals(firebaseAuth.getCurrentUser().getUid().toString())))
+					    {
+
+						    String v = dataSnapshot.child("views").getValue().toString();
+						    int view = Integer.parseInt(v);
+						    viewReference.child("views").setValue(view + 1);
+						    mprogressview = false;
+					    }
+				    }
+				    catch (Exception e)
+				    {}
+			    }
+
+			    @Override
+			    public void onCancelled(DatabaseError databaseError)
+			    {
+
+			    }
+		    });
+		    Intent intent = new Intent(context,SinglePost.class);
+		    Bundle bundle = new Bundle();
+		    bundle.putString("post_key",b.getPostkey().toString());
+		    intent.putExtras(bundle);
+		    context.startActivity(intent);
+	    }
+
+
+    }
+
+
+
+	public void  filterList(ArrayList<Blog> newList)
+    {
+	    list=newList;
+	    notifyDataSetChanged();
+    }
+
+}