应用程序在创建 DatePickerDialog 期间崩溃

发布于 2024-12-04 20:40:05 字数 4188 浏览 0 评论 0原文

我对 Android 平台上的编程完全陌生,但我有兴趣了解更多内容。目前我正在借助分步手册来完成此操作。只是为了让自己熟悉编程环境。我了解 Java 语言,尽管我不会说我擅长它。

至于问题,我正在创建一个适用于 Android 设备的简单问答游戏。在设置屏幕上,我使用 DatePickerDialog 作为用户的生日。仅当我在 Android 设备(Samsung Galaxy S i9000)或模拟器上运行它时,它在尝试弹出 DatePickerDialog 时崩溃。

我使用的代码是:

final TextView dob = (TextView) findViewById(R.id.TextView_DOB_Info);
DatePickerDialog dateDialog = new DatePickerDialog(this, new DatePickerDialog.OnDateSetListener() {
    public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
        Time dateOfBirth = new Time();
        dateOfBirth.set(dayOfMonth, monthOfYear, year);
        long dtDob = dateOfBirth.toMillis(true);
        dob.setText(DateFormat.format("MMMM dd, yyyy", dtDob));
        Editor editor = mGameSettings.edit();
        editor.putLong(GAME_PREFERENCES_DOB, dtDob);
        editor.commit();
    }
}, 0, 0, 0);
return dateDialog;

任何人都可以看到我在这里做错了什么吗?运行时,我在该方法中收到 IllegalArgumentException。我正在使用 Eclipse 为 Android 编程,但我对该程序也相当陌生(我更熟悉 Netbeans),我仍在尝试找出如何通过 Android 应用程序正确调试。

如果有人可以提供帮助,我们将不胜感激! 亲切的问候, Floris

编辑: 根据请求,我添加了 LogCat 行:

09-16 18:42:22.386: ERROR/AndroidRuntime(20074): FATAL EXCEPTION: main
09-16 18:42:22.386: ERROR/AndroidRuntime(20074): java.lang.IllegalArgumentException: current should be >= start and <= end
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at android.widget.NumberPicker.setCurrent(NumberPicker.java:362)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at android.widget.DatePicker.updateDaySpinner(DatePicker.java:487)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at android.widget.DatePicker.updateSpinners(DatePicker.java:471)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at android.widget.DatePicker.init(DatePicker.java:467)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at android.app.DatePickerDialog.<init>(DatePickerDialog.java:154)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at android.app.DatePickerDialog.<init>(DatePickerDialog.java:113)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at com.androidbook.triviaquiz.QuizSettingsActivity.onCreateDialog(QuizSettingsActivity.java:404)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at android.app.Activity.onCreateDialog(Activity.java:2482)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at android.app.Activity.createDialog(Activity.java:882)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at android.app.Activity.showDialog(Activity.java:2557)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at android.app.Activity.showDialog(Activity.java:2524)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at com.androidbook.triviaquiz.QuizSettingsActivity$4.onClick(QuizSettingsActivity.java:367)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at android.view.View.performClick(View.java:2538)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at android.view.View$PerformClick.run(View.java:9152)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at android.os.Handler.handleCallback(Handler.java:587)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at android.os.Handler.dispatchMessage(Handler.java:92)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at android.os.Looper.loop(Looper.java:123)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at android.app.ActivityThread.main(ActivityThread.java:3687)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at java.lang.reflect.Method.invokeNative(Native Method)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at java.lang.reflect.Method.invoke(Method.java:507)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:842)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:600)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at dalvik.system.NativeStart.main(Native Method)
09-16 18:42:22.414: ERROR/(14248): Dumpstate > /data/log/dumpstate_app_error

当我现在阅读它时,我注意到问题出在 NumberPicker 类中。只是为了确定一下,他在这里期待的数字是什么意思?

I'm completely new to programming on the Android platform but I'm interested in learning more of it. At the moment I'm doing this with the aid of a step by step handbook. Just to get myself familiar with the programming environment. I have knowledge of the Java language although I would not go as far by saying I'm good at it.

As for the problem, what I'm creating is a simple trivia game for Android devices. On a settings screen I am using a DatePickerDialog for the users birthday. Only when I run it on my Android device (Samsung Galaxy S i9000) or an emulator it crashes when trying to popup the DatePickerDialog.

The code I use is:

final TextView dob = (TextView) findViewById(R.id.TextView_DOB_Info);
DatePickerDialog dateDialog = new DatePickerDialog(this, new DatePickerDialog.OnDateSetListener() {
    public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
        Time dateOfBirth = new Time();
        dateOfBirth.set(dayOfMonth, monthOfYear, year);
        long dtDob = dateOfBirth.toMillis(true);
        dob.setText(DateFormat.format("MMMM dd, yyyy", dtDob));
        Editor editor = mGameSettings.edit();
        editor.putLong(GAME_PREFERENCES_DOB, dtDob);
        editor.commit();
    }
}, 0, 0, 0);
return dateDialog;

Can anyone see if I'm doing something wrong here? When running I get an IllegalArgumentException in that method. I'm using Eclipse to program for Android, but I'm also fairly new to the program (I'm more familiar with Netbeans), I'm still trying to figure out how to properly debug through the Android app.

If anyone can help it will be greatly appreciated!
Kind Regards,
Floris

EDIT: As per request I added the LogCat lines:

09-16 18:42:22.386: ERROR/AndroidRuntime(20074): FATAL EXCEPTION: main
09-16 18:42:22.386: ERROR/AndroidRuntime(20074): java.lang.IllegalArgumentException: current should be >= start and <= end
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at android.widget.NumberPicker.setCurrent(NumberPicker.java:362)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at android.widget.DatePicker.updateDaySpinner(DatePicker.java:487)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at android.widget.DatePicker.updateSpinners(DatePicker.java:471)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at android.widget.DatePicker.init(DatePicker.java:467)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at android.app.DatePickerDialog.<init>(DatePickerDialog.java:154)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at android.app.DatePickerDialog.<init>(DatePickerDialog.java:113)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at com.androidbook.triviaquiz.QuizSettingsActivity.onCreateDialog(QuizSettingsActivity.java:404)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at android.app.Activity.onCreateDialog(Activity.java:2482)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at android.app.Activity.createDialog(Activity.java:882)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at android.app.Activity.showDialog(Activity.java:2557)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at android.app.Activity.showDialog(Activity.java:2524)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at com.androidbook.triviaquiz.QuizSettingsActivity$4.onClick(QuizSettingsActivity.java:367)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at android.view.View.performClick(View.java:2538)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at android.view.View$PerformClick.run(View.java:9152)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at android.os.Handler.handleCallback(Handler.java:587)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at android.os.Handler.dispatchMessage(Handler.java:92)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at android.os.Looper.loop(Looper.java:123)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at android.app.ActivityThread.main(ActivityThread.java:3687)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at java.lang.reflect.Method.invokeNative(Native Method)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at java.lang.reflect.Method.invoke(Method.java:507)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:842)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:600)
09-16 18:42:22.386: ERROR/AndroidRuntime(20074):     at dalvik.system.NativeStart.main(Native Method)
09-16 18:42:22.414: ERROR/(14248): Dumpstate > /data/log/dumpstate_app_error

As I'm reading through it now I notice the problem is in the NumberPicker class. Just to be sure, what is the meaning of the number he is expecting here?

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轻拂→两袖风尘 2024-12-11 20:40:05

我从未使用过 DatePickerDialog 但据我所知,您使用 0, 0, 0 作为年、月和日参数。将这些设置为符合逻辑的内容,例如 2011, 9, 16 并看看是否有帮助。

编辑实际上,您可能必须使用 10 表示 9 月,因为我认为它符合 Calendar 使用的 0-11 个月数字。

I've never used DatePickerDialog but as far as I can tell, you're using 0, 0, 0 as the year, month of year and day of month parameters. Set these to be something logical like 2011, 9, 16 and see if that helps.

EDIT Actually you may have to use 10 for September as I think it conforms to the 0-11 month numbers used by Calendar.

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