Android Studio – Fix the WebView error “The webpage could not be loaded because: net::ERR_CACHE_MISS”

This video shows how to fix the error “The webpage could not be loaded because: net::ERR_CACHE_MISS” in WebView.

It shows how simply adding the below INTERNET permission in the manifest file solves the issue:

I hope you like this video. For any questions, suggestions or appreciation please contact us at: https://programmerworld.co/contact/ or email at: programmerworld1990@gmail.com

Complete source code and other details:

package com.programmerworld.webview_error;

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

public class MainActivity extends AppCompatActivity {

private WebView webView;

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

webView = findViewById(R.id.webView);
webView.loadUrl("https://programmerworld.co");
}
}

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">

<WebView
android:id="@+id/webView"
android:layout_width="288dp"
android:layout_height="572dp"
android:layout_marginStart="61dp"
android:layout_marginTop="97dp"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
</androidx.constraintlayout.widget.ConstraintLayout>

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools" >

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

<application
android:allowBackup="true"
android:dataExtractionRules="@xml/data_extraction_rules"
android:fullBackupContent="@xml/backup_rules"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:supportsRtl="true"
android:theme="@style/Theme.WebView_Error"
tools:targetApi="31" >
<activity
android:name=".MainActivity"
android:exported="true" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />

<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>

</manifest>

Issue/ Error:

“The webpage could not be loaded because: net::ERR_CACHE_MISS”

Solution:

Add the below permission line in Manifest file:

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

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