package com.example.posapp; // Palitan ayon sa iyong package name

import android.os.Bundle;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import androidx.appcompat.app.AppCompatActivity;

public class MainActivity extends AppCompatActivity {

    private WebView myWebView;
    // PALITAN ITO NG TOTOONG URL NG HOSTINGER MO (e.g., https://yourdomain.com/index.php)
    private static final String POS_URL = "https://crystalclear.masbatedev.com/driverpos/index.php"; 

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

        myWebView = findViewById(R.id.webview);

        // CONFIGURATION PARA SA OFFLINE CACHING AT INDEXEDDB
        WebSettings webSettings = myWebView.getSettings();
        
        // 1. Enable JavaScript & Storage
        webSettings.setJavaScriptEnabled(true);
        webSettings.setDomStorageEnabled(true); // KRITIKAL: Para sa IndexedDB & localStorage
        webSettings.setDatabaseEnabled(true);
        
        // 2. Enable Cache settings para sa Offline mode
        webSettings.setCacheMode(WebSettings.LOAD_DEFAULT); // Gagamitin ang cache kapag offline
        webSettings.setAppCacheEnabled(true); // Para sa mga lumang Android versions

        // Siguraduhing sa loob ng App bubukas ang links (hindi sa Chrome Browser)
        myWebView.setWebViewClient(new WebViewClient() {
            @Override
            public boolean shouldOverrideUrlLoading(WebView view, String url) {
                view.loadUrl(url);
                return true;
            }
        });

        // I-load ang POS website
        myWebView.loadUrl(POS_URL);
    }

    // Para hindi mag-close ang app agad kapag pinindot ang Back button
    @Override
    public void onBackPressed() {
        if (myWebView.canGoBack()) {
            myWebView.goBack();
        } else {
            super.onBackPressed();
        }
    }
}












<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <WebView
        android:id="@+id/webview"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />

</RelativeLayout>












<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />










<application
    android:usesCleartextTraffic="true"
    ... >
	
	
	
	
	
	
	
	
	
	
	
	<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.posapp"> <!-- Siguraduhing tugma ito sa iyong package name -->

    <!-- PERMISSIONS PARA SA INTERNET AT OFFLINE SYNC DETECT -->
    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="POS Driver App"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/Theme.AppCompat.Light.NoActionBar"
        android:usesCleartextTraffic="true"> <!-- Pinapayagan ang HTTP at HTTPS connections -->

        <activity
            android:name=".MainActivity"
            android:configChanges="orientation|screenSize|keyboardHidden"
            android:exported="true">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>

    </application>

</manifest>