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我正在嘗試創建一個測驗遊戲，該測驗遊戲將在活動結束時顯示用戶的分數。我有50個問題，但每次用戶播放時只會顯示10個問題。我遇到了麻煩，因爲無法保存用戶的分數。如何在用戶每次玩時隨機化問題
，以下是我的java 代碼假設Q1.java和Q2.java是我的java類。 Whoami.java是用戶開始測驗的代碼，score.java顯示得分。請幫助我們！提前致謝！
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_question1);
TextView q1 = (TextView) findViewById(R.id.q1);
q1.setText("I am an amphibian who has undergone metamorphosis. I have slippery skin, and spend most of my time in or near water. I breathe with lungs now, but when I was a tadpole I had gills.");
}
@Override
public void onClick(View arg0)
{
// TODO Auto-generated method stub
int cnt = 0;
final Animation animScale = AnimationUtils.loadAnimation(this, R.animator.anim_scale);
final Animation animAlpha = AnimationUtils.loadAnimation(this, R.animator.anim_alphas);
Button btn1 = (Button) findViewById(R.id.btnopt1_a);
Button btn2 = (Button) findViewById(R.id.btnopt1_b);
Button btn3 = (Button) findViewById(R.id.btnopt1_c);
ImageView img1 = (ImageView) findViewById(R.id.imageView1);
ImageView img2 = (ImageView) findViewById(R.id.imageView2);
ImageView img3 = (ImageView) findViewById(R.id.imageView3);
img1.setOnClickListener(new ImageView.OnClickListener()
{
@Override
public void onClick(View arg0) {
arg0.startAnimation(animScale);
}});
img2.setOnClickListener(new ImageView.OnClickListener()
{
@Override
public void onClick(View arg0) {
arg0.startAnimation(animAlpha);
}});
img3.setOnClickListener(new ImageView.OnClickListener()
{
@Override
public void onClick(View arg0) {
arg0.startAnimation(animAlpha);
}});
if(btn1.isClickable())
{
img1.startAnimation(animScale);
cnt++;
Intent i = new Intent(this,Q2.class);
i.putExtra("score",cnt);
startActivity(i);
}
else if (btn2.isClickable())
{
img2.startAnimation(animAlpha);
}
else if (btn3.isClickable())
{
img3.startAnimation(animAlpha);
}
}
@Override
protected void onPause() {
// TODO Auto-generated method stub
super.onPause();
finish();
}
}
那麼這是我的其他類名Q2.java
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_question2);
TextView q2 = (TextView) findViewById(R.id.q2);
q2.setText("I am a bird that has wings, but does not fly. I spend most of my time in the water. I am known to live in colder regions like Antarctica.");
}
@Override
public void onClick(View arg0)
{
// TODO Auto-generated method stub
int cnt = 0;
final Animation animScale = AnimationUtils.loadAnimation(this, R.animator.anim_scale);
final Animation animAlpha = AnimationUtils.loadAnimation(this, R.animator.anim_alphas);
Button btn1 = (Button) findViewById(R.id.btnopt2_a);
Button btn2 = (Button) findViewById(R.id.btnopt2_b);
Button btn3 = (Button) findViewById(R.id.btnopt2_c);
ImageView img1 = (ImageView) findViewById(R.id.imageView1);
ImageView img2 = (ImageView) findViewById(R.id.imageView2);
ImageView img3 = (ImageView) findViewById(R.id.imageView3);
img1.setOnClickListener(new ImageView.OnClickListener()
{
@Override
public void onClick(View arg0) {
arg0.startAnimation(animScale);
}});
img2.setOnClickListener(new ImageView.OnClickListener()
{
@Override
public void onClick(View arg0) {
arg0.startAnimation(animAlpha);
}});
img3.setOnClickListener(new ImageView.OnClickListener()
{
@Override
public void onClick(View arg0) {
arg0.startAnimation(animAlpha);
}});
if(btn1.isClickable())
{
img1.startAnimation(animScale);
cnt++;
Intent i = new Intent(this,Q3.class);
i.putExtra("score",cnt);
startActivity(i);
}
else if (btn2.isClickable())
{
img2.startAnimation(animAlpha);
}
else if (btn3.isClickable())
{
img3.startAnimation(animAlpha);
}
}
@Override
protected void onPause() {
// TODO Auto-generated method stub
super.onPause();
finish();
}
}
這裏是我的Score.java
@Override
public void onCreate(Bundle savedInstanceState)
{
try
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_score);
Intent intent = getIntent();
int score = intent.getIntExtra("score",0);
Button btnok = (Button)findViewById(R.id.btnok);
btnok.setOnClickListener(this);
TextView txtscore = (TextView) findViewById(R.id.txtscore);
txtscore.setText("Your score is : " + score +"/10");
}
catch(Exception e)
{
try {
throw e;
} catch (Exception e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
}
}
@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
switch (arg0.getId())
{
case R.id.btnok:
Intent i = new Intent (this,MainMenu.class);
startActivity(i);
default:
break;
}
}
@Override
protected void onPause() {
// TODO Auto-generated method stub
super.onPause();
finish();
}
}
，最後我Whoami.java類
public class Whoami extends Activity{
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_whoami);
Button bplay =(Button) findViewById(R.id.bplay);
bplay.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View arg0) {
Random random = new Random();
switch(random.nextInt(50))
{
case 0:
Intent newActivity1 = new Intent(Whoami.this,Q1.class);
startActivity (newActivity1);
break;
case 1:
Intent newActivity2 = new Intent(Whoami.this,Q2.class);
startActivity(newActivity2);
break;
case 2:
Intent newActivity3 = new Intent(Whoami.this,Q3.class);
startActivity(newActivity3);
break;
case 3:
Intent newActivity4 = new Intent(Whoami.this,Q4.class);
startActivity(newActivity4);
break;
case 4:
Intent newActivity5 = new Intent(Whoami.this,Q5.class);
startActivity(newActivity5);
break;
case 5:
Intent newActivity6 = new Intent(Whoami.this,Q6.class);
startActivity(newActivity6);
break;
case 6:
Intent newActivity7 = new Intent(Whoami.this,Q7.class);
startActivity(newActivity7);
break;
case 7:
Intent newActivity8 = new Intent(Whoami.this,Q8.class);
startActivity(newActivity8);
break;
case 8:
Intent newActivity9 = new Intent(Whoami.this,Q9.class);
startActivity(newActivity9);
break;
case 9:
Intent newActivity10 = new Intent(Whoami.this,Q10.class);
startActivity(newActivity10);
break;
case 10:
Intent newActivity11 = new Intent(Whoami.this,Q11.class);
startActivity(newActivity11);
break;
case 11:
Intent newActivity12 = new Intent(Whoami.this,Q12.class);
startActivity(newActivity12);
break;
case 12:
Intent newActivity13 = new Intent(Whoami.this,Q13.class);
startActivity(newActivity13);
break;
case 13:
Intent newActivity14 = new Intent(Whoami.this,Q14.class);
startActivity(newActivity14);
break;
case 14:
Intent newActivity15 = new Intent(Whoami.this,Q15.class);
startActivity(newActivity15);
break;
case 15:
Intent newActivity16 = new Intent(Whoami.this,Q16.class);
startActivity(newActivity16);
break;
case 16:
Intent newActivity17 = new Intent(Whoami.this,Q17.class);
startActivity (newActivity17);
break;
case 17:
Intent newActivity18 = new Intent(Whoami.this,Q18.class);
startActivity(newActivity18);
break;
case 18:
Intent newActivity19 = new Intent(Whoami.this,Q19.class);
startActivity(newActivity19);
break;
case 19:
Intent newActivity20 = new Intent(Whoami.this,Q20.class);
startActivity(newActivity20);
break;
case 20:
Intent newActivity21 = new Intent(Whoami.this,Q21.class);
startActivity(newActivity21);
break;
case 21:
Intent newActivity22 = new Intent(Whoami.this,Q22.class);
startActivity(newActivity22);
break;
case 22:
Intent newActivity23 = new Intent(Whoami.this,Q23.class);
startActivity(newActivity23);
break;
case 23:
Intent newActivity24 = new Intent(Whoami.this,Q24.class);
startActivity(newActivity24);
break;
case 24:
Intent newActivity25 = new Intent(Whoami.this,Q25.class);
startActivity(newActivity25);
break;
case 25:
Intent newActivity26 = new Intent(Whoami.this,Q26.class);
startActivity(newActivity26);
break;
case 26:
Intent newActivity27 = new Intent(Whoami.this,Q27.class);
startActivity(newActivity27);
break;
case 27:
Intent newActivity28 = new Intent(Whoami.this,Q28.class);
startActivity(newActivity28);
break;
case 28:
Intent newActivity29 = new Intent(Whoami.this,Q29.class);
startActivity(newActivity29);
break;
case 29:
Intent newActivity30 = new Intent(Whoami.this,Q30.class);
startActivity(newActivity30);
break;
case 30:
Intent newActivity31 = new Intent(Whoami.this,Q31.class);
startActivity(newActivity31);
break;
case 31:
Intent newActivity32 = new Intent(Whoami.this,Q32.class);
startActivity(newActivity32);
break;
case 32:
Intent newActivity33 = new Intent(Whoami.this,Q33.class);
startActivity(newActivity33);
break;
case 33:
Intent newActivity34 = new Intent(Whoami.this,Q34.class);
startActivity(newActivity34);
break;
case 34:
Intent newActivity35 = new Intent(Whoami.this,Q35.class);
startActivity(newActivity35);
break;
case 35:
Intent newActivity36 = new Intent(Whoami.this,Q36.class);
startActivity(newActivity36);
break;
case 36:
Intent newActivity37 = new Intent(Whoami.this,Q37.class);
startActivity(newActivity37);
break;
case 37:
Intent newActivity38 = new Intent(Whoami.this,Q38.class);
startActivity(newActivity38);
break;
case 38:
Intent newActivity39 = new Intent(Whoami.this,Q39.class);
startActivity(newActivity39);
break;
case 39:
Intent newActivity40 = new Intent(Whoami.this,Q40.class);
startActivity(newActivity40);
break;
case 40:
Intent newActivity41 = new Intent(Whoami.this,Q41.class);
startActivity(newActivity41);
break;
case 41:
Intent newActivity42 = new Intent(Whoami.this,Q42.class);
startActivity(newActivity42);
break;
case 42:
Intent newActivity43 = new Intent(Whoami.this,Q43.class);
startActivity(newActivity43);
break;
case 43:
Intent newActivity44 = new Intent(Whoami.this,Q44.class);
startActivity(newActivity44);
break;
case 44:
Intent newActivity45 = new Intent(Whoami.this,Q45.class);
startActivity(newActivity45);
break;
case 45:
Intent newActivity46 = new Intent(Whoami.this,Q46.class);
startActivity(newActivity46);
break;
case 46:
Intent newActivity47 = new Intent(Whoami.this,Q47.class);
startActivity(newActivity47);
break;
case 47:
Intent newActivity48 = new Intent(Whoami.this,Q48.class);
startActivity (newActivity48);
break;
case 48:
Intent newActivity49 = new Intent(Whoami.this,Q49.class);
startActivity(newActivity49);
break;
case 49:
Intent newActivity50 = new Intent(Whoami.this,Q50.class);
startActivity(newActivity50);
break;
}
}
});
}
@Override
protected void onPause() {
// TODO Auto-generated method stub
super.onPause();
finish();
}
}
您的標題問如何隨機化問題，在你寫這個問題的文字是你無法保存用戶評分。請只問一個具體問題（每個問題），因爲這個網站不是_here是我的代碼，請修復它的地方。如果您解釋您的問題並向我們展示您的代碼的相關部分，我們將很樂意提供幫助。 – jlordo
你爲什麼要爲每個問題創建1個活動？嘗試保留一項活動，只更新該活動的問題。 – R9J
如果您有1000個問題，該怎麼辦？你會寫1000分支的交換機嗎？ –