StatusActivity.java

package org.colibrisoft.colibri;

import android.app.ProgressDialog;
import android.content.Intent;
import android.support.annotation.NonNull;
import android.support.design.widget.TextInputLayout;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.Toolbar;

import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
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.auth.FirebaseUser;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;


public class StatusActivity extends AppCompatActivity {

    private Toolbar mToolbar;
    private TextInputLayout mStatus;
    private DatabaseReference mStatusDatabase;
    private FirebaseUser mCurrentUser;

    private ProgressDialog mProgress;





    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_status);



        mCurrentUser = FirebaseAuth.getInstance().getCurrentUser();
        String current_uid = mCurrentUser.getUid();

        mStatusDatabase = FirebaseDatabase.getInstance().getReference().child("Users").child(current_uid);

        mToolbar = (Toolbar) findViewById(R.id.status_appBar);
        setSupportActionBar(mToolbar);
        getSupportActionBar().setTitle("Your Status");
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);

        mToolbar.setNavigationOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                finish();
            }
        });

        String status_value = getIntent().getStringExtra("status_value");


        mStatus = (TextInputLayout) findViewById(R.id.status_input);

        mStatus.getEditText().setText(status_value);
        mStatus.getEditText().setCursorVisible(true);
        mStatus.getEditText().setSelection(mStatus.getEditText().length());


    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.

        getMenuInflater().inflate(R.menu.menu_tick_btn, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        super.onOptionsItemSelected(item);

        if (item.getItemId() == R.id.action_settings){

            mProgress = new ProgressDialog(StatusActivity.this);
            mProgress.setMessage("Uploading...");
            mProgress.setCanceledOnTouchOutside(false);
            mProgress.show();

            String status = mStatus.getEditText().getText().toString();

            mStatusDatabase.child("status").setValue(status).addOnCompleteListener(new OnCompleteListener<Void>() {
                @Override
                public void onComplete(@NonNull Task<Void> task) {

                    if (task.isSuccessful()){

                        mProgress.dismiss();

                    } else {

                        Toast.makeText(getApplicationContext(), "Your changes were not saved. Please try later.", Toast.LENGTH_SHORT).show();

                    }

                }
            });

        }

        return true;
    }


}