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package com.jamesfroggatt.geoquiz.app;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;


public class QuizActivity extends Activity {


    private Button mTrueButton;
    private Button mFalseButton;


    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        //setContentView INFLATES a layout and puts it on the screen
        // each widget in the layout view is instantiated as defined
        // by its attributes in activity_quiz.xml
        // R.layout.activity_quiz refers to the generated R.java class
        setContentView(R.layout.activity_quiz);

        // we can now get a reference to an inflated widget by calling
        // the findViewById method. This method accepts a resource ID of
        // a widget and returns a View object
        mTrueButton = (Button)findViewById(R.id.true_button);
        mFalseButton = (Button)findViewById(R.id.false_button);

        
        // set up onClickListener for the True Button
        // the setOnClickListener(OnClickListener) method takes a
        // listener as an argument, it takes an object that implements
        // OnClickListener. This listener is implemented as an anonymous
        // inner class.
       
        mTrueButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                // Do a toast
                Toast.makeText(QuizActivity.this,
                        R.string.incorrect_toast,Toast.LENGTH_SHORT).show();
            }
        });
        // set listener for the mFalseButton
        mFalseButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                // Do a toast
                Toast.makeText(QuizActivity.this,
                        R.string.correct_toast,Toast.LENGTH_SHORT).show();
            }
        });

        // A note on Context: to make Toast (above), we call the following method
        // from the Toast class
        // public static Toast makeText(Context context, int resId, int Duration)
        // The Context is typically an instance of Activity (Activity is the
        // subclass of Context).
        // After we have created toast, we call Toast.show() on it to get it on screen
        

    }
    /*
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.activity_quiz, menu);
        return true;
    }*/
}

layout/activity_quiz.xml

<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" >
    <!-- "@string/question_text" we are referencing a string -->
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:padding="24dp"
        android:text="@string/question_text" />
    <LinearLayout
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="horizontal" >
        <!-- "@+id/true_button" we are CREATING the IDs hence the + -->
        <Button
            android:id="@+id/true_button"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/true_button" />
        <!-- "@+id/false_button" we are CREATING the IDs hence the + -->
        <Button
            android:id="@+id/false_button"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/false_button" />
    </LinearLayout>
</LinearLayout>

values/strings.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <string name="title">James</string>
    <string name="app_name">GeoQuiz</string>
    <string name="question_text">Constantinople is the largest city in Turkey.</string>
    <string name="true_button">True</string>
    <string name="false_button">False</string>
    <string name="menu_settings">Settings</string>
    <string name="correct_toast">Correct!</string>
    <string name="incorrect_toast">Incorrect!</string>

</resources>

AndroidManifest.xml

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

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name="com.jamesfroggatt.geoquiz.app.QuizActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

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

</manifest>

QuizActivity.java