Webview project

 Manifest.xml

<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

    package="com.example.webexperiment">

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

    <uses-sdk

        android:minSdkVersion="12"

        android:targetSdkVersion="27" />

    <application

        android:allowBackup="true"

        android:icon="@mipmap/ic_launcher"

        android:label="@string/app_name"

        android:supportsRtl="true"

        android:theme="@style/AppTheme">

        <activity android:name=".MainActivity">

            <intent-filter>

                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />

            </intent-filter>

        </activity>

    </application>

</manifest>

Layout > main_activity.xml

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:gravity="center"

    android:orientation="vertical">

    <WebView

        android:id="@+id/web"

        android:layout_width="match_parent"

        android:layout_height="match_parent" />

</LinearLayout>

MainActivity.java

package com.example.webexperiment;

import android.annotation.TargetApi;

import android.app.Activity;

import android.os.Build;

import android.os.Bundle;

import android.view.KeyEvent;

import android.webkit.WebResourceRequest;

import android.webkit.WebView;

import android.webkit.WebViewClient;

public class MainActivity extends Activity {

    private WebView webView;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        webView = (WebView)findViewById(R.id.web);

        webView.setWebViewClient(new WebViewClient() {

            @Override

            public boolean shouldOverrideUrlLoading(WebView view, String url) {

                return false;

            }

            @TargetApi(Build.VERSION_CODES.N)

            @Override

            public boolean shouldOverrideUrlLoading(WebView view, WebResourceRequest request) {

                return false;

            }

        });

        webView.loadUrl("http://www.google.com");

    }

    @Override

    public boolean onKeyDown(int keyCode, KeyEvent event) {

        if (event.getAction() == KeyEvent.ACTION_DOWN) {

            switch (keyCode) {

                case KeyEvent.KEYCODE_BACK:

                    if (webView.canGoBack()) {

                        webView.goBack();

                    } else {

                        finish();

                    }

                    return true;

            }

        }

        return super.onKeyDown(keyCode, event);

    }

}

Code Settings webViewClient

 shouldOverrideUrlLoading(WebView view, WebResourceRequest request) {

                return false;

            }

@Override 

public void onPageFinished(WebView view, String url) {  

super.onPageFinished(view, url); 

}

Code android get, set, put

 

getText().toString();

getUrl();

SetText();

makeText();

setBackgroundResource(R.drawable.menu);

setVisibility(View.INVISIBLE);

setVisibility(View.GONE);

Code Webview injek Js

 

String js = "javascript:"

+"Script"

+"Script";

webView.evaluateJavascript(js, null); 

webView.loadUrl("javascript:document.getElementById('convertBtn').click();");

Code Webview getSetting

 webView.getSettings().setDomStorageEnabled(true); 

webView.getSettings().setLoadWithOverviewMode(true); 

webView.getSettings().setUseWideViewPort(true); 

webView.setWebChromeClient(new WebChromeClient());

webView.getSettings().setBuiltInZoomControls(true);

webView.getSettings().setJavaScriptEnabled(true);

webview.getSettings().setUserAgentString("Mozilla/5.0 (Linux; Android 9; CPH1931) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.136 Mobile Safari/537.36");

Code Layer Main_Activity xml

 

<?xml version="1.0" encoding="utf-8"?> 

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools"

  android:layout_width="match_parent"

android:layout_height="match_parent"

android:gravity="center"

android:orientation="vertical"

tools:context="com.example.hidetitlebar.MainActivity">

<TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Hello World!" tools:context="com.example.hidetitlebar.MainActivity"/>

<Button 

android:id="@+id/mybutton" 

android:layout_width="wrap_content" android:layout_height="wrap_content" android:onClick="onClickBtn"

android:text="Klik aja"/>

<TextView 

     android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_gravity="center"

        android:text="Hello World!" />

<ToggleButton android:id="@+id/toggleButton2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginRight="60dp" android:layout_marginTop="80dp" android:text="ToggleButton" android:textOff="Off" android:textOn="On" app:layout_constraintEnd_toEndOf="parent" app:layout_constraintTop_toTopOf="parent" />

<CheckBox android:id="@+id/checkBox" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginLeft="144dp" android:layout_marginTop="68dp" android:text="Pizza" app:layout_constraintStart_toStartOf="parent" app:layout_constraintTop_toTopOf="parent" />

<Spinner android:id="@+id/spinner" android:layout_width="149dp" android:layout_height="40dp" android:layout_marginBottom="8dp" android:layout_marginEnd="8dp" android:layout_marginStart="8dp" android:layout_marginTop="8dp" app:layout_constraintBottom_toBottomOf="parent" app:layout_constraintEnd_toEndOf="parent" app:layout_constraintHorizontal_bias="0.502" app:layout_constraintStart_toStartOf="parent" app:layout_constraintTop_toTopOf="parent" app:layout_constraintVertical_bias="0.498" />

<AutoCompleteTextView android:id="@+id/autoCompleteTextView" android:layout_width="200dp" android:layout_height="wrap_content" android:layout_marginLeft="92dp" android:layout_marginTop="144dp" android:text="" app:layout_constraintStart_toStartOf="parent" app:layout_constraintTop_toTopOf="parent" />

<RatingBar android:id="@+id/ratingBar" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginLeft="72dp" android:layout_marginTop="60dp" app:layout_constraintStart_toStartOf="parent" app:layout_constraintTop_toTopOf="parent" />

<DatePicker android:id="@+id/datePicker" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_above="@+id/textView1" android:layout_centerHorizontal="true" android:layout_marginBottom="36dp" />

</LinearLayout>

Code android permission

 Permission android libs

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

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

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

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

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

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

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

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