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main_java_com_example_harsh_freechat_UsersActivity.java
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main_java_com_example_harsh_freechat_UsersActivity.java
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package com.example.harsh.freechat;
import android.content.Context;
import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.Toolbar;
import android.view.View;
import android.widget.TextView;
import com.firebase.ui.database.FirebaseRecyclerAdapter;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;
import com.squareup.picasso.Picasso;
import de.hdodenhof.circleimageview.CircleImageView;
public class UsersActivity extends AppCompatActivity {
private Toolbar mToolbar;
private RecyclerView mUsersList;
private DatabaseReference mUsersDatabase;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_users);
mToolbar=findViewById(R.id.users_appBar);
setSupportActionBar(mToolbar);
getSupportActionBar().setTitle("All Users");
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
mUsersDatabase= FirebaseDatabase.getInstance().getReference().child("Users");
mUsersList=findViewById(R.id.users_list);
mUsersList.setHasFixedSize(true);
mUsersList.setLayoutManager(new LinearLayoutManager(this));
}
@Override
protected void onStart() {
super.onStart();
FirebaseRecyclerAdapter<Users, UsersViewHolder> firebaseRecyclerAdapter=new FirebaseRecyclerAdapter<Users, UsersViewHolder>(
Users.class,
R.layout.users_single_layout,
UsersViewHolder.class,
mUsersDatabase
) {
@Override
protected void populateViewHolder(UsersViewHolder viewHolder, Users users, int position) {
UsersViewHolder.setName(users.getName());
UsersViewHolder.setUserStatus(users.getStatus());
UsersViewHolder.setUserImage(users.getThumb_image(),getApplicationContext());
final String user_id= getRef(position).getKey();
UsersViewHolder.mView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Intent profile_Intent=new Intent(UsersActivity.this,ProfileActivity.class);
profile_Intent.putExtra("user_id", user_id);
startActivity(profile_Intent);
}
});
}
};
mUsersList.setAdapter(firebaseRecyclerAdapter);
}
public static class UsersViewHolder extends RecyclerView.ViewHolder{
static View mView;
public UsersViewHolder(View itemView) {
super(itemView);
mView=itemView;
}
public static void setName(String name){
TextView userNameView=mView.findViewById(R.id.users_single_name);
userNameView.setText(name);
}
public static void setUserStatus(String status){
TextView userStatusView=mView.findViewById(R.id.users_single_status);
userStatusView.setText(status);
}
public static void setUserImage(String thumb_image, Context ctx)
{
CircleImageView userImageView=mView.findViewById(R.id.users_single_image);
Picasso.with(ctx).load(thumb_image).placeholder(R.drawable.avatar).into(userImageView);
}
}
}