HSE-Observation-Android-App/app/src/main/java/com/utopiaindustries/hseobservationsapp/activities/DashboardActivity.java

package com.utopiaindustries.hseobservationsapp.activities;

import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.graphics.Color;
import android.graphics.drawable.ColorDrawable;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;

import androidx.activity.EdgeToEdge;
import androidx.appcompat.app.AlertDialog;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.graphics.Insets;
import androidx.core.view.ViewCompat;
import androidx.core.view.WindowInsetsCompat;
import androidx.viewpager.widget.ViewPager;

import com.google.android.material.tabs.TabLayout;
import com.utopiaindustries.hseobservationsapp.R;
import com.utopiaindustries.hseobservationsapp.adapters.PagerAdapter;
import com.utopiaindustries.hseobservationsapp.helper.Helper;
import com.utopiaindustries.hseobservationsapp.helper.Preference;
import com.utopiaindustries.hseobservationsapp.utils.StorageManager.StorageManager;

public class DashboardActivity extends AppCompatActivity {

    TabLayout tabLayout;
    ViewPager viewPager;

    PagerAdapter pagerAdapter;

    ImageView imgLogout;
    ImageView img_back;

    public int[] tabIcons = {
            R.drawable.icon_tab_home,
            R.drawable.icon_tab_drafts
    };


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        EdgeToEdge.enable(this);
        setContentView(R.layout.activity_dashboard);
        ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.main), (v, insets) -> {
            Insets systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars());
            v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom);
            return insets;
        });

        initializeLayout();

        imgLogout.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                alertLogOut(DashboardActivity.this);
            }
        });

        img_back.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if (getSupportFragmentManager().getBackStackEntryCount() > 0) {
                    getSupportFragmentManager().popBackStack(); // Go back to the previous fragment
                } else {
                    finish();
                }
            }
        });

    }

    public void initializeLayout() {
        img_back = findViewById(R.id.img_back);
        imgLogout = findViewById(R.id.img_logout);

        setAppVersion();

        viewPager = (ViewPager) findViewById(R.id.viewpager);
        pagerAdapter = new PagerAdapter(getSupportFragmentManager(), DashboardActivity.this);
        viewPager.setAdapter(pagerAdapter);

        tabLayout = (TabLayout) findViewById(R.id.tab_layout);
        tabLayout.setupWithViewPager(viewPager);

        tabLayout.getTabAt(0).setIcon(tabIcons[0]);
        tabLayout.getTabAt(1).setIcon(tabIcons[1]);

        for (int i = 0; i < tabLayout.getTabCount(); i++) {
            TabLayout.Tab tab = tabLayout.getTabAt(i);
            tab.setCustomView(pagerAdapter.getTabView(i));
        }
    }

    public void setAppVersion() {
        PackageManager packageManager = getPackageManager();
        try {
            PackageInfo info = packageManager.getPackageInfo( getPackageName(), 0 );

            String currentVersion = String.format("v-%s", String.valueOf(info.versionName));
            StorageManager.getInstance().setAppVersion(currentVersion);

        } catch ( Exception e ) {
            e.printStackTrace();
        }
    }

    public void alertLogOut(Context con) {
        ViewGroup viewGroup = findViewById(android.R.id.content);

        TextView dialogOkBtn, dialogCancelBtn;

        AlertDialog.Builder builder = new AlertDialog.Builder(con);
        View view1 = LayoutInflater.from(con).inflate(R.layout.custom_layout_for_logout, viewGroup, false);
        builder.setCancelable(false);
        builder.setView(view1);

        dialogOkBtn = view1.findViewById(R.id.dialogOkBtn);
        dialogCancelBtn = view1.findViewById(R.id.dialogCancelBtn);

        AlertDialog alertDialog = builder.create();
        alertDialog.getWindow().setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));

        dialogOkBtn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {

                alertDialog.dismiss();

                Preference.setMyBooleanPref(Helper.project_file, "isLoggedIn", getApplicationContext(), false);
                Preference.setMyStringPref(Helper.project_file, Helper.firstTimeApiCall, getApplicationContext(), "false");

                Intent i = new Intent(DashboardActivity.this, LoginActivity.class);
                i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_NEW_TASK);
                i.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK | Intent.FLAG_ACTIVITY_NEW_TASK);
                startActivity(i);
                finish();
                overridePendingTransition(R.anim.slide_in_right, R.anim.slide_out_left);

            }
        });

        dialogCancelBtn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {

                alertDialog.dismiss();
                //Toast.makeText(con, "Cancel", Toast.LENGTH_SHORT).show();

            }
        });

        alertDialog.show();
    }
}