[mimoon]

transition effects를 제외한 이상적인 설정

package com.mimoonchurch.powerbible;
import androidx.appcompat.app.AlertDialog;
import android.content.DialogInterface;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.view.KeyEventDispatcher;

import android.app.Activity;
import android.app.ProgressDialog;
import android.view.KeyEvent;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;

import android.os.Bundle;
import android.webkit.WebChromeClient;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.LinearLayout;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

    WebView web;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        LinearLayout layout = new LinearLayout(this);
        layout.setOrientation(LinearLayout.VERTICAL);
        web = new WebView(this);
        WebSettings webSettings = web.getSettings();
        webSettings.setJavaScriptEnabled(true);
        webSettings.setUseWideViewPort(true);
        web.getSettings().setLoadsImagesAutomatically(true);
        web.getSettings().setUseWideViewPort(true);
        web.getSettings().setLoadWithOverviewMode(true);
        webSettings.setBuiltInZoomControls(false);
        webSettings.setAllowUniversalAccessFromFileURLs(true);
        webSettings.setJavaScriptCanOpenWindowsAutomatically(true);
        webSettings.setSupportMultipleWindows(true);
        webSettings.setSaveFormData(true);
        webSettings.setSavePassword(true);
        webSettings.setDomStorageEnabled(true);

        webSettings.setJavaScriptEnabled(true);
        webSettings.setAppCacheEnabled(true);
        webSettings.setDatabaseEnabled(true);

        web.getSettings().setAppCacheEnabled(false);
        webSettings.setLayoutAlgorithm(WebSettings.LayoutAlgorithm.SINGLE_COLUMN);
        web.setWebChromeClient(new WebChromeClient());
        web.getSettings().setAppCacheEnabled(true);
        web.setWebViewClient(new WebViewClient());

        web.loadUrl("https://mimoonchurch.net");
        layout.addView(web);
        setContentView(layout);
    }

    private long backBtnTime = 0;
    @Override
    public void onBackPressed() {
        long curTime = System.currentTimeMillis();
        long gapTime = curTime - backBtnTime;
        if (web.canGoBack()) {
            web.goBack();
        } else if (0 <= gapTime && 2000 >= gapTime) {
            super.onBackPressed();
        } else {
            backBtnTime = curTime;
            Toast.makeText(this, "한번 더 누르면 종료됩니다.", Toast.LENGTH_SHORT).show();
        }
    }

}

[mimoon]

이상적 소스 (그러나 느림)
activity_main.xml 내용

<?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"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent" tools:context=".MainActivity">

    <WebView
        android:id="@+id/wvLayout"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        tools:ignore="MissingConstraints" />
</androidx.constraintlayout.widget.ConstraintLayout>

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.mimoonchurch.powerbible">
    <uses-permission android:name="android.permission.INTERNET"/>
    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/Theme.Powerbible">
        <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>

strings.xml 내용에:

<resources>
    <string name="app_name">파워바이블</string>
</resources>

themes.xml 내용에:

<resources xmlns:tools="http://schemas.android.com/tools">
    <!-- Base application theme. -->
    <style name="Theme.Powerbible" parent="Theme.AppCompat.Light.NoActionBar">
        <!-- Primary brand color. -->
        <item name="colorPrimary">@color/purple_500</item>
        <item name="colorPrimaryVariant">@color/purple_700</item>
        <item name="colorOnPrimary">@color/white</item>
        <!-- Secondary brand color. -->
        <item name="colorSecondary">@color/teal_200</item>
        <item name="colorSecondaryVariant">@color/teal_700</item>
        <item name="colorOnSecondary">@color/black</item>
        <!-- Status bar color. -->
        <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
        <!-- Customize your theme here. -->
    </style>
</resources>

MainActivity.java 내용에

package com.mimoonchurch.powerbible;
import android.app.Activity;
import android.app.ProgressDialog;
import android.os.Bundle;
import android.view.KeyEvent;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.webkit.WebView;
import android.webkit.WebViewClient;

public class MainActivity extends Activity {
    ProgressDialog mProgressDialog;

    private class HelloWebViewClient extends WebViewClient {
        @Override
        public boolean shouldOverrideUrlLoading(WebView view, String url) {
            view.setVisibility(View.GONE);
            mProgressDialog.setTitle("Loading");
            mProgressDialog.show();
            mProgressDialog.setMessage("Loading " + url);
            return false;
        }

        @Override
        public void onPageFinished(WebView view, String url) {
            mProgressDialog.dismiss();
            animate(view);
            view.setVisibility(View.VISIBLE);
            super.onPageFinished(view, url);
        }
    }

    private void animate(final WebView view) {
        Animation anim = AnimationUtils.loadAnimation(getBaseContext(),
                android.R.anim.slide_in_left);
        view.startAnimation(anim);
    }

    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        WebView view = (WebView) findViewById(R.id.wvLayout);
        if ((keyCode == KeyEvent.KEYCODE_BACK) && view.canGoBack()) {
            view.goBack();
            return true;
        }
        return super.onKeyDown(keyCode, event);
    }

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        mProgressDialog = new ProgressDialog(this);
        WebView webView = (WebView) findViewById(R.id.wvLayout);
        webView.setVerticalScrollBarEnabled(false);
        webView.setHorizontalScrollBarEnabled(false);
        webView.getSettings().setJavaScriptEnabled(true);
        webView.loadUrl("https://mimoonchurch.net/");
        webView.setWebViewClient(new HelloWebViewClient());
    }
}

[mimoon]

창 전환 효과 부분:

  ProgressDialog mProgressDialog;

    private class HelloWebViewClient extends WebViewClient {
        @Override
        public boolean shouldOverrideUrlLoading(WebView view, String url) {
            view.setVisibility(View.GONE);
            mProgressDialog.setTitle("Loading");
            mProgressDialog.show();
            mProgressDialog.setMessage("페이지를 불러옵니다");
            return false;
        }

        @Override
        public void onPageFinished(WebView view, String url) {
            mProgressDialog.dismiss();
            animate(view);
            view.setVisibility(View.VISIBLE);
            super.onPageFinished(view,url);
        }
    }

    private void animate(final WebView view) {
        Animation anim = AnimationUtils.loadAnimation(getBaseContext(),
                android.R.anim.slide_in_left);
        view.startAnimation(anim);
    }

[글쓴이]

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