所以我在我正在制作的应用程序中有一个java类，其中包含我随机选择的项目数组，并将所选项目的位置存储在 int 中然后我想要检查int的值但是当我运行应用程序时，我在手机上收到此消息：不幸的是，NAME OF APP已停止。当代码尝试在每个复选框中显示文本时（每个复选框的ID为easyLevel1Check），我收到错误。有关详细信息，请参阅下面的代码。
public class easyLevel1 extends AppCompatActivity {
Random r = new Random();
int ranNumReadyText = (r.nextInt(99999 - 10000) + 10000);
int setOthers = (r.nextInt(99999 - 10000) + 10000);
int timer = 10;
int myCheck;
Boolean isRunning = false;
CountDownTimer time;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_easy_level1);
final Button easyLevel1Val = (Button)findViewById(R.id.easyLevel1Val);
final TextView easyLevel1Timer = (TextView)findViewById(R.id.easyLevel1Timer);
final TextView easyLevel1ReadyText = (TextView)findViewById(R.id.easyLevel1ReadyText);
final Button easyLevel1StartBtn = (Button)findViewById(R.id.easyLevel1StartBtn);
final TextView easyLevel1Rules = (TextView)findViewById(R.id.easyLevel1Rules);
final CheckBox easyLevel1Check1 = (CheckBox)findViewById(R.id.easyLevel1Check1);
final CheckBox easyLevel1Check2 = (CheckBox)findViewById(R.id.easyLevel1Check2);
final CheckBox easyLevel1Check3 = (CheckBox)findViewById(R.id.easyLevel1Check3);
final CheckBox easyLevel1Check4 = (CheckBox)findViewById(R.id.easyLevel1Check4);
final Button easyLevel1Next = (Button)findViewById(R.id.easyLevel1Next);
final Button easyLevel1TryAgain = (Button)findViewById(R.id.easyLevel1TryAgain);
final MediaPlayer blop = MediaPlayer.create(this, R.raw.blop);
final MediaPlayer cheer = MediaPlayer.create(this, R.raw.cheer);
final MediaPlayer drumroll = MediaPlayer.create(this, R.raw.drumroll);
final MediaPlayer buzzer = MediaPlayer.create(this, R.raw.buzzer);
final CheckBox[] checks = {easyLevel1Check1, easyLevel1Check2, easyLevel1Check3, easyLevel1Check4};
myCheck = (r.nextInt(checks.length));
easyLevel1StartBtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(final View view) {
blop.start();
easyLevel1Val.setVisibility(View.VISIBLE);
easyLevel1ReadyText.setVisibility(View.VISIBLE);
easyLevel1StartBtn.setVisibility(View.INVISIBLE);
final CountDownTimer put = new CountDownTimer(1000, 1000) {
@Override
public void onTick(long l) {
}
@Override
public void onFinish() {
easyLevel1ReadyText.setText(String.valueOf(ranNumReadyText));
checks[myCheck].setText(easyLevel1ReadyText.getText());
CountDownTimer take = new CountDownTimer(2000, 2000) {
@Override
public void onTick(long l) {
}
@Override
public void onFinish() {
switch (myCheck) {
case 0:
easyLevel1Check2.setText(setOthers);
easyLevel1Check3.setText(setOthers);
easyLevel1Check4.setText(setOthers);
break;
case 1:
easyLevel1Check1.setText(setOthers);
easyLevel1Check3.setText(setOthers);
easyLevel1Check4.setText(setOthers);
break;
case 2:
easyLevel1Check1.setText(setOthers);
easyLevel1Check2.setText(setOthers);
easyLevel1Check4.setText(setOthers);
break;
case 3:
easyLevel1Check1.setText(setOthers);
easyLevel1Check2.setText(setOthers);
easyLevel1Check3.setText(setOthers);
break;
}
easyLevel1ReadyText.setText("");
easyLevel1ReadyText.setVisibility(View.INVISIBLE);
easyLevel1Check1.setVisibility(View.VISIBLE);
easyLevel1Check1.setEnabled(true);
easyLevel1Check2.setVisibility(View.VISIBLE);
easyLevel1Check2.setEnabled(true);
easyLevel1Check3.setVisibility(View.VISIBLE);
easyLevel1Check3.setEnabled(true);
easyLevel1Check4.setVisibility(View.VISIBLE);
easyLevel1Check4.setEnabled(true);
easyLevel1Rules.setText("When you're done, press validate");
time = new CountDownTimer(11000, 1000) {
@Override
public void onTick(long l) {
isRunning = true;
timer--;
easyLevel1Timer.setText("Time Left: " + timer);
}
@Override
public void onFinish() {
isRunning = false;
buzzer.start();
easyLevel1Check1.setEnabled(false);
easyLevel1Check2.setEnabled(false);
easyLevel1Check3.setEnabled(false);
easyLevel1Check4.setEnabled(false);
easyLevel1Next.setEnabled(false);
easyLevel1TryAgain.setEnabled(true);
easyLevel1TryAgain.setBackgroundColor(Color.RED);
easyLevel1TryAgain.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
blop.start();
Intent easyLevel1TryAgain = new Intent(easyLevel1.this, easyLevel1.class);
finish();
startActivity(easyLevel1TryAgain);
}
});
}
}.start();
}
}.start();
}
}.start();
easyLevel1Next.setVisibility(View.VISIBLE);
easyLevel1TryAgain.setVisibility(View.VISIBLE);
}
});
}
}