GeoQuiz项目工程源码及运行效果截图

作者: 圈圈_勿忘初心 | 来源:发表于2017-03-22 19:51 被阅读0次

GeoQuiz项目工程源码及运行效果截图
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//CheatActivity.java

package com.bignerdranch.android.geoquiz;

import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.content.Context;
import android.content.Intent;
import android.os.Build;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.view.ViewAnimationUtils;
import android.widget.Button;
import android.widget.TextView;

public class CheatActivity extends AppCompatActivity {
    private static final String EXTRA_ANSWER_IS_TRUE="com.bignerdranch.android.geoquiz.answer_is_true";
    private static final String EXTRA_ANSWER_SHOWN="com.bignerdranch.android.geoquiz.answer_shown";

    private boolean mAnswerIsTrue;
    private TextView mAnswerTextview;
    private Button mShowAnswer;

    public static Intent newIntent(Context packageContext,boolean answerIsTrue){
        Intent i=new Intent(packageContext,CheatActivity.class);
        i.putExtra(EXTRA_ANSWER_IS_TRUE,answerIsTrue);
        return i;
    }

    public static boolean wasAnswerShown(Intent result){
        return result.getBooleanExtra(EXTRA_ANSWER_SHOWN,false);
    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_cheat);
        mAnswerIsTrue=getIntent().getBooleanExtra(EXTRA_ANSWER_IS_TRUE,false);
        mAnswerTextview=(TextView)findViewById(R.id.answer_text_view);
        mShowAnswer=(Button)findViewById(R.id.show_answer_button);
        mShowAnswer.setOnClickListener(new View.OnClickListener(){
            @Override
            public void onClick(View v){
                if(mAnswerIsTrue){
                    mAnswerTextview.setText(R.string.true_button);
                }else{
                    mAnswerTextview.setText(R.string.false_button);
                }
                setAnswerShowResult(true);

                if(Build.VERSION.SDK_INT>=Build.VERSION_CODES.LOLLIPOP) {
                    int cx = mShowAnswer.getWidth() / 2;
                    int cy = mShowAnswer.getHeight() / 2;
                    float radius = mShowAnswer.getWidth();
                    Animator anim = ViewAnimationUtils.createCircularReveal(mShowAnswer, cx, cy, radius, 0);
                    anim.addListener(new AnimatorListenerAdapter() {
                        @Override
                        public void onAnimationEnd(Animator animation) {
                            super.onAnimationEnd(animation);
                            mShowAnswer.setVisibility(View.INVISIBLE);
                        }
                    });
                    anim.start();
                }else{
                    mShowAnswer.setVisibility(View.INVISIBLE);
                }
            }
        });
    }
    private void setAnswerShowResult(boolean isAnserShown){
        Intent data=new Intent();
        data.putExtra(EXTRA_ANSWER_SHOWN,isAnserShown);
        setResult(RESULT_OK,data);
    }
}

//Question.java

package com.bignerdranch.android.geoquiz;
public class Question {
    private int mTextResId;
    private boolean mAnswerTrue;

    public int getTextResId() {
        return mTextResId;
    }

    public void setTextResId(int textResId) {
        mTextResId = textResId;
    }

    public boolean isAnswerTrue() {
        return mAnswerTrue;
    }

    public void setAnswerTrue(boolean answerTrue) {
        mAnswerTrue = answerTrue;
    }

    public Question(int textResId, boolean answerTrue){

        mTextResId=textResId;
        mAnswerTrue=answerTrue;
    }
}

//QuizActivity

package com.bignerdranch.android.geoquiz;

import android.app.Activity;
import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;

public class QuizActivity extends AppCompatActivity {
    private Button mTrueButton;
    private Button mFalseButton;
    private Button mNextButton;
    private Button mLastButton;
    private Button mCheatButton;
    private TextView mQuestionTextView;
    private static final String TAG="QuizActivity";
    private static final String KEY_INDEX="index";
    private static final int REQUEST_CODE_CHEAT=0;

    private Question[] mQuestionBank=new Question[]{
            new Question(R.string.question_oceans,true),
            new Question(R.string.question_mideast,true),
            new Question(R.string.question_africa,true),
            new Question(R.string.question_americas,true),
            new Question(R.string.question_asia,true),
    };
    private int mCurrentIndex=0;
    private boolean mIsCheater;
    private void updateQuestion(){
        int question=mQuestionBank[mCurrentIndex].getTextResId();
        mQuestionTextView.setText(question);
    }

    private void checkAnswer(boolean userPressedTrue){
        boolean answerIsTrue=mQuestionBank[mCurrentIndex].isAnswerTrue();
        int messageResId=0;
        if(mIsCheater){
            messageResId=R.string.judgment_toast;
        }else {
            if (userPressedTrue == answerIsTrue) {
                messageResId = R.string.correct_toast;
            } else {
                messageResId = R.string.incorrect_toast;
            }
        }
        Toast.makeText(this, messageResId, Toast.LENGTH_SHORT).show();
    }
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        Log.d(TAG,"onCreat(Bundle) called");
        setContentView(R.layout.activity_quize);//资源ID

        mQuestionTextView=(TextView)findViewById(R.id.question_text_view);

        mTrueButton=(Button)findViewById(R.id.true_button);
        mTrueButton.setOnClickListener(new View.OnClickListener(){
            @Override
            public void onClick(View v){
                checkAnswer(true);
            }
        });
        mFalseButton=(Button)findViewById(R.id.false_button);
        mFalseButton.setOnClickListener(new View.OnClickListener(){
            @Override
            public void onClick(View v){
                checkAnswer(false);
            }
        });

        mNextButton=(Button)findViewById(R.id.next_button);
        mNextButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                mCurrentIndex=(mCurrentIndex+1)%mQuestionBank.length;
                mIsCheater=false;
                updateQuestion();
            }
        });

        mLastButton=(Button)findViewById(R.id.last_button);
        mLastButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                mCurrentIndex=(mCurrentIndex+mQuestionBank.length-1)%mQuestionBank.length;
                updateQuestion();
            }
        });

        mCheatButton=(Button)findViewById(R.id.cheat_button);
        mCheatButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                //Start
                boolean answerIsTrue=mQuestionBank[mCurrentIndex].isAnswerTrue();
                Intent i=CheatActivity.newIntent(QuizActivity.this,answerIsTrue);
                startActivityForResult(i,REQUEST_CODE_CHEAT);
            }
        });

        if(savedInstanceState!=null){
            mCurrentIndex=savedInstanceState.getInt(KEY_INDEX,0);
        }

        updateQuestion();
    }

    @Override
    protected void onActivityResult(int requestCode,int resultCode,Intent data){
        if(resultCode!= Activity.RESULT_OK){
            return;
        }
        if(requestCode==REQUEST_CODE_CHEAT){
            if(data==null){
                return;
            }
            mIsCheater=CheatActivity.wasAnswerShown(data);
        }
    }

    @Override
    public void onSaveInstanceState(Bundle savedInstanceState){
        super.onSaveInstanceState(savedInstanceState);
        Log.i(TAG,"onSaveInstanceState");
        savedInstanceState.putInt(KEY_INDEX,mCurrentIndex);
    }

    @Override
    public void onStart(){
        super.onStart();
        Log.d(TAG,"onStart() called");
    }
    @Override
    public void onPause(){
        super.onPause();
        Log.d(TAG,"onPause() called");
    }
    @Override
    public void onResume(){
        super.onResume();
        Log.d(TAG,"onResume() called");
    }
    @Override
    public void onStop(){
        super.onStop();
        Log.d(TAG,"onStop() called");
    }

    @Override
    public void onDestroy(){
        super.onDestroy();
        Log.d(TAG,"onDestroy() called");
    }
}

//strings.xml

<resources>
    <string name="app_name">GeoQuiz</string>
    <string name="true_button">正确</string>
    <string name="false_button">错误</string>
    <string name="next_button">下一题</string>
    <string name="last_button">上一题</string>
    <string name="correct_toast">回答正确</string>
    <string name="incorrect_toast">回答错误</string>
    <string name="question_oceans">问题1.答案正确</string>
    <string name="question_mideast">问题2.....</string>
    <string name="question_africa">问题3.....</string>
    <string name="question_americas">问题4......</string>
    <string name="question_asia">问题5......</string>
    <string name="warning_text">确定操作？</string>
    <string name="show_answer_button">查看答案</string>
    <string name="cheat_button">作弊</string>
    <string name="judgment_toast">作弊是不对的</string>
</resources>

//activity_cheat.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    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:gravity="center"
    android:orientation="vertical"
    tools:context="com.bignerdranch.android.geoquiz.CheatActivity">

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:padding="24dp"
        android:text="@string/warning_text"/>

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/answer_text_view"
        android:padding="24dp"
        tools:text="Answer"/>

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/show_answer_button"
        android:text="@string/show_answer_button"/>

</LinearLayout>

//layout\activity_quize.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">
    <TextView
        android:id="@+id/question_text_view"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:padding="24dp"
        />

    <LinearLayout
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="horizontal">

        <Button
            android:id="@+id/true_button"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/true_button"/>

        <Button
            android:id="@+id/false_button"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/false_button"/>

    </LinearLayout>

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/cheat_button"
        android:text="@string/cheat_button"/>

    <LinearLayout
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center_vertical|center_horizontal"
        android:orientation="horizontal">

        <Button
            android:id="@+id/last_button"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/last_button"/>



        <Button
            android:id="@+id/next_button"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/next_button"/>

    </LinearLayout>
</LinearLayout>

//land\activity_quize.xml

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
             android:layout_width="match_parent"
             android:layout_height="match_parent">
    <TextView
        android:id="@+id/question_text_view"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center_horizontal"
        android:padding="24dp"
        />

    <LinearLayout
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center_vertical|center_horizontal"
        android:orientation="horizontal">

        <Button
            android:id="@+id/true_button"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/true_button"/>

        <Button
            android:id="@+id/false_button"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/false_button"/>

    </LinearLayout>

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@id/cheat_button"
        android:layout_gravity="center_horizontal|bottom"
        android:text="@string/cheat_button"/>

    <Button
        android:id="@+id/last_button"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="left|bottom"
        android:text="@string/last_button"/>

    <Button
        android:id="@+id/next_button"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="right|bottom"
        android:text="@string/next_button"/>

</FrameLayout>

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