0

MainActivity

package com.elitiv.myapplication2.app;

import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.RadioButton;
import android.widget.TextView;

public class MainActivity extends ActionBarActivity {


    private EditText Result;
    private String Operation;
    private EditText editYear;
    private EditText editCapacity;
    private Button calc;
    private RadioButton radioD;
    private RadioButton radioB;


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

        TextView Year = (TextView) findViewById(R.id.Year);
        TextView Capacity = (TextView) findViewById(R.id.Capacity);
        editYear = (EditText) findViewById(R.id.editYear);
        editCapacity = (EditText) findViewById(R.id.editCapacity);
        final EditText Result = (EditText) findViewById(R.id.Result);
        Button calc = (Button) findViewById(R.id.calc);
        final RadioButton radioD = (RadioButton) findViewById(R.id.radioD);
        final RadioButton radioB = (RadioButton) findViewById(R.id.radioB);
        calc.setOnClickListener(new View.OnClickListener() {
                                    @Override
                                    public void onClick(View v) {
                                        int edityear_value = Integer.parseInt(editYear.getText().toString());//Convert to intger
                                        if (radioB.isChecked()) {
                                            switch (edityear_value) {

                                                case 2004:
                                                    Operation = ("2004");
                                                    break;
                                                case 2005:
                                                    Operation = "2005";
                                                    break;
                                                case 2006:
                                                    Operation = "2006";
                                                    break;
                                                case 2007:
                                                    Operation = "2007";
                                                    break;
                                                case 2008:
                                                    Operation = "2007";
                                                    break;
                                                case 2009:
                                                    Operation = "2009";
                                                    break;
                                                case 2010:
                                                    Operation = "2010";
                                                    break;
                                                case 2011:
                                                    Operation = "2011";
                                                    break;
                                                case 2012:
                                                    Operation = "2011";
                                                    break;
                                                case 2013:
                                                    Operation = "2013";
                                                    break;
                                                case 2014:
                                                    Operation = "2013";
                                                    break;
                                            }

                                        } else if (radioD.isChecked()) {
                                            switch (edityear_value) {

                                                case 2004:
                                                    Operation = "20041";
                                                    break;
                                                case 2005:
                                                    Operation = "20051";
                                                    break;
                                                case 2006:
                                                    Operation = "20061";
                                                    break;
                                                case 2007:
                                                    Operation = "20071";
                                                    break;
                                                case 2008:
                                                    Operation = "20071";
                                                    break;
                                                case 2009:
                                                    Operation = "20091";
                                                    break;
                                                case 2010:
                                                    Operation = "20101";
                                                    break;
                                                case 2011:
                                                    Operation = "20111";
                                                    break;
                                                case 2012:
                                                    Operation = "20111";
                                                    break;
                                                case 2013:
                                                    Operation = "20131";
                                                    break;
                                                case 2014:
                                                    Operation = "20131";
                                                    break;
                                            }

                                        }
                                        Operation();
                                    }
                                }
        );


    }


    public void Operation() {

        double result = 0 ;
        int NumberCapacity = Integer.parseInt(editCapacity.getText().toString())
//Benzin
        if (NumberCapacity > 0 && NumberCapacity < 1000) {
            if (Operation.equals("2004")) {
                result = NumberCapacity * 0.52;

            }
            if (Operation.equals("2005")) {
                result = NumberCapacity * 0.50;

            }
            if (Operation.equals("2006")) {
                result = NumberCapacity * 0.47;

            }
            if (Operation.equals("2007")) {
                result = NumberCapacity * 0.44;
            }
            if (Operation.equals("2009")) {
                result = NumberCapacity * 0.43;

            }
            if (Operation.equals("2011")) {
                result = NumberCapacity * 0.42;

            }

            if (Operation.equals("2013")) {
                result = NumberCapacity * 0.40;

            }
        }
        if (NumberCapacity > 1001 && NumberCapacity < 1500) {
            if (Operation.equals("2004")) {
                result = NumberCapacity * 0.67;

            }
            if (Operation.equals("2005")) {
                result = NumberCapacity * 0.63;
            }
            if (Operation.equals("2006")) {
                result = NumberCapacity * 0.60;
            }
            if (Operation.equals("2007")) {
                result = NumberCapacity * 0.56;
            }
            if (Operation.equals("2009")) {
                result = NumberCapacity * 0.55;
            }
            if (Operation.equals("2011")) {
                result = NumberCapacity * 0.54;
            }
            if (Operation.equals("2013")) {
                result = NumberCapacity * 0.52;
            }
        }
        if (NumberCapacity > 1501 && NumberCapacity < 2000) {
            if (Operation.equals("2004")) {
                result = NumberCapacity * 1.00;
            }
            if (Operation.equals("2005")) {
                result = NumberCapacity * 0.95;
            }
            if (Operation.equals("2006")) {
                result = NumberCapacity * 0.89;
            }
            if (Operation.equals("2007")) {
                result = NumberCapacity * 0.84;
            }
            if (Operation.equals("2009")) {
                result = NumberCapacity * 0.83;
            }
            if (Operation.equals("2011")) {
                result = NumberCapacity * 0.82;
            }
            if (Operation.equals("2013")) {
                result = NumberCapacity * 0.80;
            }
        }
        if (NumberCapacity > 2001 && NumberCapacity < 3000) {
            if (Operation.equals("2004")) {
                result = NumberCapacity * 1.59;
            }
            if (Operation.equals("2005")) {
                result = NumberCapacity * 1.52;
            }
            if (Operation.equals("2006")) {
                result = NumberCapacity * 1.44;
            }
            if (Operation.equals("2007")) {
                result = NumberCapacity * 1.36;
            }
            if (Operation.equals("2009")) {
                result = NumberCapacity * 1.35;
            }
            if (Operation.equals("2011")) {
                result = NumberCapacity * 1.34;
            }
            if (Operation.equals("2013")) {
                result = NumberCapacity * 1.32;
            }
        }
        if (NumberCapacity > 3000) {
            if (Operation.equals("2004")) {
                result = NumberCapacity * 3.57;
            }
            if (Operation.equals("2005")) {
                result = NumberCapacity * 3.56;
            }
            if (Operation.equals("2006")) {
                result = NumberCapacity * 3.55;
            }
            if (Operation.equals("2007")) {
                result = NumberCapacity * 3.54;
            }
            if (Operation.equals("2009")) {
                result = NumberCapacity * 3.53;
            }
            if (Operation.equals("2011")) {
                result = NumberCapacity * 3.52;
            }
            if (Operation.equals("2013")) {
                result = NumberCapacity * 3.50;
            }
        }

//Diesel
        if (NumberCapacity < 1500) {
            if (Operation.equals("20041")) {
                result = NumberCapacity * 1.67;
            }
            if (Operation.equals("20051")) {
                result = NumberCapacity * 1.63;
            }
            if (Operation.equals("20061")) {
                result = NumberCapacity * 1.60;
            }
            if (Operation.equals("20071")) {
                result = NumberCapacity * 1.56;
            }
            if (Operation.equals("20091")) {
                result = NumberCapacity * 1.55;
            }
            if (Operation.equals("20111")) {
                result = NumberCapacity * 1.54;
            }
            if (Operation.equals("20131")) {
                result = NumberCapacity * 1.52;
            }
        }
        if (NumberCapacity > 1501 && NumberCapacity < 2500) {
            if (Operation.equals("20041")) {
                result = NumberCapacity * 1.59;
            }
            if (Operation.equals("20051")) {
                result = NumberCapacity * 1.52;
            }
            if (Operation.equals("20061")) {
                result = NumberCapacity * 1.44;
            }
            if (Operation.equals("20071")) {
                result = NumberCapacity * 1.36;
            }
            if (Operation.equals("20091")) {
                result = NumberCapacity * 1.35;
            }
            if (Operation.equals("20111")) {
                result = NumberCapacity * 1.34;
            }
            if (Operation.equals("20131")) {
                result = NumberCapacity * 1.32;
            }
        }
        if (NumberCapacity > 2501) {
            if (Operation.equals("20041")) {
                result = NumberCapacity * 3.57;
            }
            if (Operation.equals("20051")) {
                result = NumberCapacity * 3.56;
            }
            if (Operation.equals("20061")) {
                result = NumberCapacity * 3.55;
            }
            if (Operation.equals("20071")) {
                result = NumberCapacity * 3.54;
            }
            if (Operation.equals("20091")) {
                result = NumberCapacity * 3.53;
            }
            if (Operation.equals("20111")) {
                result = NumberCapacity * 3.52;
            }
            if (Operation.equals("20131")) {
                result = NumberCapacity * 3.50;

            }

        }
            Result.setText(String.valueOf(result));

    }
}

ActivityMainn_Layout

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    android:paddingBottom="@dimen/activity_vertical_margin"
    tools:context="com.elitiv.myapplication2.app.MainActivity">


    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textAppearance="?android:attr/textAppearanceLarge"
        android:text="Anul Autovehicolului"
        android:id="@+id/Year"
        android:layout_marginTop="25dp"
        android:layout_alignParentTop="true"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true" />

    <EditText
        android:layout_width="200dp"
        android:layout_height="wrap_content"
        android:id="@+id/editYear"
        android:layout_alignTop="@+id/Year"
        android:layout_toRightOf="@+id/Year"
        android:layout_marginLeft="27dp" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textAppearance="?android:attr/textAppearanceLarge"
        android:text="capacitatea"
        android:id="@+id/Capacity"
        android:layout_alignParentBottom="true"
        android:layout_toLeftOf="@+id/editYear"
        android:layout_marginBottom="175dp" />

    <EditText
        android:layout_width="200dp"
        android:layout_height="wrap_content"
        android:id="@+id/editCapacity"
        android:layout_alignBottom="@+id/Capacity"
        android:layout_alignLeft="@+id/editYear"
        android:layout_alignStart="@+id/editYear" />
<RadioGroup
    android:layout_width="300dp"
    android:layout_height="wrap_content"
    android:gravity="center_horizontal"
    android:layout_alignTop="@id/Year">
    <RadioButton
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="B"
        android:id="@+id/radioB"
        android:layout_marginTop="83dp"
        android:checked="true"
        android:layout_marginRight="77dp" />

    <RadioButton
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="D"
        android:id="@+id/radioD"
        android:checked="false"

         />

</RadioGroup>
    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Calc"
        android:id="@+id/calc"
        android:layout_below="@+id/editCapacity"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="25dp" />

    <EditText
        android:layout_width="200dp"
        android:layout_height="wrap_content"
        android:id="@+id/Result"
        android:layout_below="@+id/calc"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="31dp" />

</RelativeLayout>

LogCat

05-07 08:22:37.058    1986-1986/com.elitiv.myapplication2.app I/Process﹕ Sending signal. PID: 1986 SIG: 9
05-07 08:24:46.850    2105-2105/com.elitiv.myapplication2.app D/dalvikvm﹕ GC_FOR_ALLOC freed 83K, 9% free 2877K/3156K, paused 228ms, total 230ms
05-07 08:24:49.880    2105-2105/com.elitiv.myapplication2.app D/gralloc_goldfish﹕ Emulator without GPU emulation detected.
05-07 08:26:16.212    2105-2105/com.elitiv.myapplication2.app D/AndroidRuntime﹕ Shutting down VM
05-07 08:26:16.212    2105-2105/com.elitiv.myapplication2.app W/dalvikvm﹕ threadid=1: thread exiting with uncaught exception (group=0xb0e82648)
05-07 08:26:16.282    2105-2105/com.elitiv.myapplication2.app E/AndroidRuntime﹕ FATAL EXCEPTION: main
    java.lang.NullPointerException
            at com.elitiv.myapplication2.app.MainActivity.Operation(MainActivity.java:327)
            at com.elitiv.myapplication2.app.MainActivity$1.onClick(MainActivity.java:117)
            at android.view.View.performClick(View.java:4240)
            at android.view.View$PerformClick.run(View.java:17721)
            at android.os.Handler.handleCallback(Handler.java:730)
            at android.os.Handler.dispatchMessage(Handler.java:92)
            at android.os.Looper.loop(Looper.java:137)
            at android.app.ActivityThread.main(ActivityThread.java:5103)
            at java.lang.reflect.Method.invokeNative(Native Method)
            at java.lang.reflect.Method.invoke(Method.java:525)
            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:737)
            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
            at dalvik.system.NativeStart.main(Native Method)

So basicly the problem is, that i cannot show the calculated result in the EditText field 3 with id of Result

2
Contributors
1
Reply
11
Views
3 Years
Discussion Span
Last Post by pritaeas
0

Operation (the string) may not have a value set, so check for null in your Operation() method (BTW that naming is confusing).

This topic has been dead for over six months. Start a new discussion instead.
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