Add files via upload

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

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+package com.example.hi.blogger;
+
+import android.content.Intent;
+import android.support.annotation.NonNull;
+import android.support.v7.app.ActionBar;
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.text.TextUtils;
+import android.view.MenuItem;
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.ImageView;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import com.google.android.gms.tasks.OnCompleteListener;
+import com.google.android.gms.tasks.Task;
+import com.google.firebase.auth.FirebaseAuth;
+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;
+
+public class SinglePost extends AppCompatActivity
+{
+
+	ImageView postpic,displaypic;
+	EditText title,desc;
+	TextView username,title1,desc1;
+	Button remove,update;
+	String post_key;
+
+	ActionBar actionBar;
+
+	DatabaseReference databaseReference;
+	FirebaseAuth firebaseAuth;
+
+	@Override
+	protected void onCreate(Bundle savedInstanceState)
+	{
+		super.onCreate(savedInstanceState);
+		setContentView(R.layout.activity_single_post);
+
+		actionBar=getSupportActionBar();
+		actionBar.setHomeButtonEnabled(true);
+		actionBar.setDisplayHomeAsUpEnabled(true);
+
+
+		databaseReference = FirebaseDatabase.getInstance().getReference().child("Blog");
+		firebaseAuth = FirebaseAuth.getInstance();
+
+		postpic = (ImageView) findViewById(R.id.postImage);
+		displaypic = (ImageView) findViewById(R.id.userdp);
+
+		title = (EditText) findViewById(R.id.posttitle);
+		desc = (EditText) findViewById(R.id.postdesc);
+		title1 = (TextView) findViewById(R.id.posttitle1);
+		desc1 = (TextView) findViewById(R.id.postdesc1);
+		username = (TextView) findViewById(R.id.username);
+
+		remove = (Button) findViewById(R.id.removepost);
+		update = (Button) findViewById(R.id.updatepost);
+
+		Bundle b = getIntent().getExtras();
+		post_key = b.getString("post_key");
+
+		databaseReference.addValueEventListener(new ValueEventListener()
+		{
+			@Override
+			public void onDataChange(DataSnapshot dataSnapshot)
+			{
+				try{
+					title.setText(dataSnapshot.child(post_key).child("title").getValue().toString());
+					desc.setText(dataSnapshot.child(post_key).child("description").getValue().toString());
+					title1.setText(dataSnapshot.child(post_key).child("title").getValue().toString());
+					desc1.setText(dataSnapshot.child(post_key).child("description").getValue().toString());
+					username.setText(dataSnapshot.child(post_key).child("username").getValue().toString());
+
+					String url =dataSnapshot.child(post_key).child("url").getValue().toString();
+					Picasso.with(SinglePost.this).load(url).into(postpic);
+
+					url =dataSnapshot.child(post_key).child("image").getValue().toString();
+					Picasso.with(SinglePost.this).load(url).into(displaypic);
+
+					if(firebaseAuth.getCurrentUser().getUid().toString().equals(dataSnapshot.child(post_key).child("uid").getValue().toString()))
+					{
+						remove.setVisibility(View.VISIBLE);
+						update.setVisibility(View.VISIBLE);
+						title1.setVisibility(View.GONE);
+						desc1.setVisibility(View.GONE);
+					}
+					else
+					{
+
+						title.setVisibility(View.GONE);
+						desc.setVisibility(View.GONE);
+					}
+				}
+				catch (Exception e)
+				{}
+
+			}
+
+			@Override
+			public void onCancelled(DatabaseError databaseError)
+			{
+
+			}
+		});
+
+		remove.setOnClickListener(new View.OnClickListener()
+		{
+			@Override
+			public void onClick(View view)
+			{
+				databaseReference.child(post_key).removeValue();
+				MainActivity.loaded = true;
+				Intent i = new Intent(SinglePost.this,MainActivity.class);
+				i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
+				startActivity(i);
+			}
+		});
+
+		update.setOnClickListener(new View.OnClickListener()
+		{
+			@Override
+			public void onClick(View view)
+			{
+				String t=title.getText().toString();
+				String d=desc.getText().toString();
+				if(!TextUtils.isEmpty(t) && !TextUtils.isEmpty(d))
+				{
+					databaseReference.child(post_key).child("title").setValue(t);
+					databaseReference.child(post_key).child("description").setValue(d).addOnCompleteListener(new OnCompleteListener<Void>()
+					{
+						@Override
+						public void onComplete(@NonNull Task<Void> task)
+						{
+							if(task.isSuccessful())
+							{
+								Toast.makeText(SinglePost.this,"post updated..",Toast.LENGTH_SHORT).show();
+								MainActivity.loaded = true;
+								Intent i = new Intent(SinglePost.this,MainActivity.class);
+								i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
+								startActivity(i);
+							}
+						}
+					});
+				}
+				else
+				{
+					Toast.makeText(SinglePost.this,"enter all fields",Toast.LENGTH_SHORT).show();
+				}
+			}
+		});
+
+	}
+
+	@Override
+	public boolean onOptionsItemSelected(MenuItem item) {
+		switch (item.getItemId()) {
+			case android.R.id.home:
+				onBackPressed();
+				return true;
+			default:
+				return super.onOptionsItemSelected(item);
+		}
+	}
+
+
+}