cafeteria/MainActivity.java at master · akshitalodha/cafeteria · GitHub

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package com.example.abhimanyu.cafeteria;

import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.design.widget.BottomNavigationView;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.support.v7.app.AppCompatActivity;
import android.text.Html;
import android.view.MenuItem;
import android.widget.TextView;

import java.io.File;

public class MainActivity extends AppCompatActivity {

    private TextView mTextMessage;

    private BottomNavigationView.OnNavigationItemSelectedListener mOnNavigationItemSelectedListener
            = new BottomNavigationView.OnNavigationItemSelectedListener() {

        @Override
        public boolean onNavigationItemSelected(@NonNull MenuItem item) {
            FragmentManager frag=getSupportFragmentManager();
            FragmentTransaction ft=frag.beginTransaction();
            switch (item.getItemId()) {
                case R.id.navigation_home:
                    ft.replace(R.id.container,new Prices()).commit();

                    return true;
                case R.id.navigation_dashboard:
                    ft.replace(R.id.container,new Bookings()).commit();

                    return true;
                case R.id.navigation_notifications:
                    ft.replace(R.id.container,new feed()).commit();

                    return true;
            }
            return false;
        }
    };

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        getSupportActionBar().setTitle(Html.fromHtml("<font color=\"black\">" + getString(R.string.app_name) + "</font>"));


        BottomNavigationView navigation = (BottomNavigationView) findViewById(R.id.navigation);
        navigation.setOnNavigationItemSelectedListener(mOnNavigationItemSelectedListener);
        FragmentManager frag=getSupportFragmentManager();
        FragmentTransaction ft=frag.beginTransaction();
        ft.replace(R.id.container,new Prices()).commit();
        File f = new File(
                "/data/data/com.example.abhimanyu.cafeteria/shared_prefs/creds.xml");
        if (f.exists()){

        }

        else{
            Intent myIntent = new Intent(getApplicationContext(), login.class);
            startActivity(myIntent);
        }
               }

}