Java1

package com.hwready.app;

import android.app.*;
import android.os.*;
import android.view.*;
import android.view.View.*;
import android.widget.*;
import android.content.*;
import android.content.ClipboardManager;
import android.graphics.*;
import android.media.*;
import android.net.*;
import android.text.*;
import android.util.*;
import android.webkit.*;
import java.util.*;
import java.text.*;



public class MainActivity extends Activity {




    private Intent webviewActivity = new Intent();


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        initialize();
        initializeLogic();
    }

    private void  initialize() {




    }

    private void  initializeLogic() {
        webviewActivity.setClass(getApplicationContext(), WebviewActivity.class);
        startActivity(webviewActivity);
    }




    // created automatically
    private void showMessage(String _s) {
        Toast.makeText(getApplicationContext(), _s, Toast.LENGTH_SHORT).show();
    }

    private int getRandom(int _minValue ,int _maxValue){
        Random random = new Random();
        return random.nextInt(_maxValue - _minValue + 1) + _minValue;
    }

    public ArrayList<Double> getCheckedItemPositionsToArray(ListView _list) {
        ArrayList<Double> _result = new ArrayList<Double>();
        SparseBooleanArray _arr = _list.getCheckedItemPositions();
        for (int _iIdx = 0; _iIdx < _arr.size(); _iIdx++) {
            if (_arr.valueAt(_iIdx))
                _result.add((double)_arr.keyAt(_iIdx));
        }
        return _result;
    }

}
package com.hwready.app;

import android.app.*;
import android.os.*;
import android.view.*;
import android.view.View.*;
import android.widget.*;
import android.content.*;
import android.content.ClipboardManager;
import android.graphics.*;
import android.media.*;
import android.net.*;
import android.text.*;
import android.util.*;
import android.webkit.*;
import java.util.*;
import java.text.*;



public class WebviewActivity extends Activity {

    private Switch switch1;
    private WebView webview2;


    private ArrayList<String> sites = new ArrayList<String>();

    private Intent calculator = new Intent();


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.webview);
        initialize();
        initializeLogic();
    }

    private void  initialize() {
        switch1 = (Switch) findViewById(R.id.switch1);
        webview2 = (WebView) findViewById(R.id.webview2);
        webview2.getSettings().setJavaScriptEnabled(true);
        webview2.getSettings().setSupportZoom(true);
        webview2.setWebViewClient(new WebViewClient() {
            @Override
            public void onPageStarted(WebView _view,final String _url, Bitmap _favicon) {

                super.onPageStarted(_view, _url, _favicon);
            }
            @Override
            public void onPageFinished(WebView _view,final String _url) {

                super.onPageFinished(_view, _url);
            }
        });



        switch1.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(CompoundButton _buttonView, final boolean _isChecked)  {
                calculator.setClass(getApplicationContext(), CalculatorActivity.class);
                startActivity(calculator);
            }
        });

    }

    private void  initializeLogic() {
        webview2.setVisibility(View.VISIBLE);
        sites.add("http://www.hwready.it");
        sites.add("https://www.amazon.it//ref=as_li_ss_tl?ie=UTF8&linkCode=ll2&tag=hwrandroid-21&linkId=9c2c07cbcd42df74096ca3a354d247e5");
        sites.add("https://www.facebook.com/hwready/");
        sites.add("https://m.youtube.com/channel/UCat_HI_nl3rQ8NQolhqnZiQ");
        switch1.setChecked(false);
    }

    @Override
    protected void onPostCreate(Bundle _savedInstanceState) {
        super.onPostCreate(_savedInstanceState);
                webview2.loadUrl("http://www.hwready.it");
                webview2.getSettings().setCacheMode(WebSettings.LOAD_CACHE_ELSE_NETWORK);
    }



    // created automatically
    private void showMessage(String _s) {
        Toast.makeText(getApplicationContext(), _s, Toast.LENGTH_SHORT).show();
    }

    private int getRandom(int _minValue ,int _maxValue){
        Random random = new Random();
        return random.nextInt(_maxValue - _minValue + 1) + _minValue;
    }

    public ArrayList<Double> getCheckedItemPositionsToArray(ListView _list) {
        ArrayList<Double> _result = new ArrayList<Double>();
        SparseBooleanArray _arr = _list.getCheckedItemPositions();
        for (int _iIdx = 0; _iIdx < _arr.size(); _iIdx++) {
            if (_arr.valueAt(_iIdx))
                _result.add((double)_arr.keyAt(_iIdx));
        }
        return _result;
    }

}
package com.hwready.app;

import android.app.*;
import android.os.*;
import android.view.*;
import android.view.View.*;
import android.widget.*;
import android.content.*;
import android.content.ClipboardManager;
import android.graphics.*;
import android.media.*;
import android.net.*;
import android.text.*;
import android.util.*;
import android.webkit.*;
import java.util.*;
import java.text.*;



public class CalculatorActivity extends Activity {

    private TextView textview2;
    private EditText edittext1;
    private TextView textview3;
    private CheckBox checkbox1;
    private CheckBox checkbox2;
    private CheckBox checkbox3;
    private CheckBox checkbox4;
    private Button button1;
    private TextView textview4;
    private TextView textview5;

    private String type = "";
    private double finaltext = 0;


    private Intent calculator = new Intent();


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.calculator);
        initialize();
        initializeLogic();
    }

    private void  initialize() {
        textview2 = (TextView) findViewById(R.id.textview2);
        edittext1 = (EditText) findViewById(R.id.edittext1);
        textview3 = (TextView) findViewById(R.id.textview3);
        checkbox1 = (CheckBox) findViewById(R.id.checkbox1);
        checkbox2 = (CheckBox) findViewById(R.id.checkbox2);
        checkbox3 = (CheckBox) findViewById(R.id.checkbox3);
        checkbox4 = (CheckBox) findViewById(R.id.checkbox4);
        button1 = (Button) findViewById(R.id.button1);
        textview4 = (TextView) findViewById(R.id.textview4);
        textview5 = (TextView) findViewById(R.id.textview5);



        checkbox1.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(CompoundButton _buttonView, final boolean _isChecked)  {
                checkbox1.setChecked(true);
            }
        });
        checkbox2.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(CompoundButton _buttonView, final boolean _isChecked)  {
                checkbox2.setChecked(true);
            }
        });
        checkbox3.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(CompoundButton _buttonView, final boolean _isChecked)  {
                checkbox3.setChecked(true);
            }
        });
        checkbox4.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(CompoundButton _buttonView, final boolean _isChecked)  {
                checkbox4.setChecked(true);
            }
        });
        edittext1.addTextChangedListener(new TextWatcher() {
            @Override
            public void beforeTextChanged(CharSequence _text, int _start, int _count, int _after) {
            }
            @Override
            public void onTextChanged(final CharSequence _charSeq, int _start, int _before, int _count) {
                type = edittext1.getText().toString();
            }
            @Override
            public void afterTextChanged(Editable _text) {
            }
        });
        button1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View _v) {
                if (checkbox1.isChecked()) {
                    finaltext = Double.parseDouble(type) % 70;
                    textview5.setText(String.valueOf(finaltext));
                    if (checkbox2.isChecked()) {
                        finaltext = Double.parseDouble(type) * 1.33d;
                        textview5.setText(String.valueOf(finaltext));
                        if (checkbox3.isChecked()) {
                            finaltext = Double.parseDouble(type) * 1.20d;
                            textview5.setText(String.valueOf(finaltext));
                            if (checkbox4.isChecked()) {
                                finaltext = Double.parseDouble(type) * 1.13d;
                                textview5.setText(String.valueOf(finaltext));
                            }
                        }
                    }
                }
                else {
                    showMessage("Seleziona almeno una casella!");
                }
            }
        });

    }

    private void  initializeLogic() {
        checkbox1.setChecked(false);
        checkbox2.setChecked(false);
        checkbox3.setChecked(false);
        checkbox4.setChecked(false);
    }

    @Override
    public void onBackPressed() {
                finish();
    }



    // created automatically
    private void showMessage(String _s) {
        Toast.makeText(getApplicationContext(), _s, Toast.LENGTH_SHORT).show();
    }

    private int getRandom(int _minValue ,int _maxValue){
        Random random = new Random();
        return random.nextInt(_maxValue - _minValue + 1) + _minValue;
    }

    public ArrayList<Double> getCheckedItemPositionsToArray(ListView _list) {
        ArrayList<Double> _result = new ArrayList<Double>();
        SparseBooleanArray _arr = _list.getCheckedItemPositions();
        for (int _iIdx = 0; _iIdx < _arr.size(); _iIdx++) {
            if (_arr.valueAt(_iIdx))
                _result.add((double)_arr.keyAt(_iIdx));
        }
        return _result;
    }

}
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    >
</LinearLayout>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    >
    <Switch
        android:id="@+id/switch1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:padding="8dp"
        android:text="Switch to calc"
        android:textSize="12sp"
        android:textColor="#000000"
        />
    <WebView
        android:id="@+id/webview2"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        />
</LinearLayout>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    >
    <TextView
        android:id="@+id/textview2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="50dp"
        android:padding="8dp"
        android:gravity="left|right|top|bottom"
        android:text="Calcolatrice per oggetti usati"
        android:textSize="20sp"
        android:textColor="#000000"
        android:layout_gravity="center_horizontal"
        />
    <EditText
        android:id="@+id/edittext1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:padding="8dp"
        android:textSize="16sp"
        android:textColor="#000000"
        android:hint="Prezzo nuovo piú basso"
        android:textColorHint="#607D8B"
        android:lines="1"
        android:inputType="numberDecimal"
        android:layout_gravity="center_horizontal"
        />
    <TextView
        android:id="@+id/textview3"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="10dp"
        android:padding="8dp"
        android:text="Seleziona le caselle in base alla richiesta."
        android:textSize="14sp"
        android:textColor="#000000"
        android:layout_gravity="center_horizontal"
        />
    <CheckBox
        android:id="@+id/checkbox1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:padding="8dp"
        android:text="È rotto\?"
        android:textSize="12sp"
        android:textColor="#000000"
        android:layout_gravity="center_horizontal"
        />
    <CheckBox
        android:id="@+id/checkbox2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:padding="8dp"
        android:text="Ha la garanzia\?"
        android:textSize="12sp"
        android:textColor="#000000"
        android:layout_gravity="center_horizontal"
        />
    <CheckBox
        android:id="@+id/checkbox3"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:padding="8dp"
        android:text="Comprende il bundle\?"
        android:textSize="12sp"
        android:textColor="#000000"
        android:layout_gravity="center_horizontal"
        />
    <CheckBox
        android:id="@+id/checkbox4"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:padding="8dp"
        android:text="Ha segni d'usura\?"
        android:textSize="12sp"
        android:textColor="#000000"
        android:layout_gravity="center_horizontal"
        />
    <Button
        android:id="@+id/button1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:padding="8dp"
        android:text="CALCOLA"
        android:textSize="12sp"
        android:textColor="#000000"
        android:layout_gravity="center_horizontal"
        />
    <TextView
        android:id="@+id/textview4"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="20dp"
        android:padding="8dp"
        android:text="Prezzo calcolato:"
        android:textSize="16sp"
        android:textColor="#000000"
        android:layout_gravity="center_horizontal"
        />
    <TextView
        android:id="@+id/textview5"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:padding="8dp"
        android:textSize="16sp"
        android:textColor="#000000"
        android:layout_gravity="center_horizontal"
        />
</LinearLayout>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
        package="com.hwready.app">

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

    <application android:allowBackup="true"
        android:label="HWReady App"
        android:icon="@drawable/app_icon"
        android:name=".SketchApplication"
        android:theme="@style/AppTheme">

            <activity
                android:name=".MainActivity"
                android:configChanges="orientation|screenSize"
                android:screenOrientation="portrait"
                >
                <intent-filter>
                    <action android:name="android.intent.action.MAIN"/>
                    <category android:name="android.intent.category.LAUNCHER"/>
                </intent-filter>
            </activity>
            <activity
                android:name=".WebviewActivity" android:configChanges="orientation|screenSize"
                android:screenOrientation="portrait" />
            <activity
                android:name=".CalculatorActivity" android:configChanges="orientation|screenSize"
                android:screenOrientation="portrait" />
            <activity android:name=".DebugActivity" android:screenOrientation="portrait"/>
    </application>

</manifest>