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POCalculate score for a quiz on android
 

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    <p>I am doing a <code>quiz</code>, in that I have 3 activities <code>Question1</code>, <code>Question2</code>, <code>Question3</code>,and on each there is 4 possible answers (buttons), only one button is correct. I must calculate and display the score of the user at the end of the quiz.</p> <p>I have done some research and <code>SHAREDPREFERENECES</code> seem to be the solution. But i dont know how to use it can anyone help please. <code>Question1.java</code> code is below: Assume that <code>btnAnswer1a</code> is the correct answer, how do i save the data and then display it in a <code>textview</code> in the last activity.</p> <pre><code> Button Answer1, Answer2, Answer3, Answer4; public static final String PREFS_NAME = "MyPrefsFile"; static SharedPreferences settings; SharedPreferences.Editor editor; int ScoreCount; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.answer1); settings = getSharedPreferences(PREFS_NAME, 0); editor = settings.edit(); ScoreCount = settings.getInt("ScoreCount", 10); Answer1 = (Button) findViewById(R.id.btnAnswer1a); Answer2 = (Button) findViewById(R.id.btnAnswer1b); Answer3 = (Button) findViewById(R.id.btnAnswer1c); Answer4 = (Button) findViewById(R.id.btnAnswer1d); Answer1.setOnClickListener(this); Answer2.setOnClickListener(this); Answer3.setOnClickListener(this); Answer4.setOnClickListener(this); } @Override public void onClick(View arg0) { // TODO Auto-generated method stub switch (arg0.getId()) { case R.id.btnAnswer1a: Intent Screen1 = new Intent(Answer1.this, Color2.class); Answer1.this.startActivity(Screen1); editor.putInt("ScoreCount", 6); editor.commit(); break; case R.id.btnAnswer1b: Intent Screen = new Intent(Answer1.this, Color2.class); Answer1.this.startActivity(Screen); break; case R.id.btnAnswer1c: Intent Screen3 = new Intent(Answer1.this, Color2.class); Answer1.this.startActivity(Screen3); break; case R.id.btnAnswer1d: Intent Screen2 = new Intent(Answer1.this, Color2.class); Answer1.this.startActivity(Screen2); break; } </code></pre>
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