我使用以下代碼在onClick方法中顯示DatePickerDialog。當用戶選擇日期時,我將其設置爲textview。該錯誤發生在調用DatePickerDialog的5行上。我試過調試它,錯誤是在確切的線上,我無法弄清楚。當顯示DatePickerDialog時,應用程序崩潰
@Override
public void onClick(View view) {
if (view.getId() == R.id.startDate_et) {
final java.util.Calendar c = java.util.Calendar.getInstance();
mYear = c.get(java.util.Calendar.YEAR);
mMonth = c.get(java.util.Calendar.MONTH);
mDay = c.get(java.util.Calendar.DAY_OF_MONTH);
DatePickerDialog datePickerDialog = new DatePickerDialog(this,
new DatePickerDialog.OnDateSetListener() {
@Override
public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
startDateEt.setText(dayOfMonth + "-" + (monthOfYear + 1) + "-" + year);
}
}, mYear, mMonth, mDay);
datePickerDialog.show();
}
但是,當該方法被稱爲應用程序崩潰與以下消息。
FATAL EXCEPTION: main
Process: com.example.bisma.calendar_analyzer, PID: 3882
android.view.InflateException: Binary XML file line #20: Binary XML file
line #20: Error inflating class <unknown>
at android.view.LayoutInflater.inflate(LayoutInflater.java:539)
at android.view.LayoutInflater.inflate(LayoutInflater.java:423)
at android.view.LayoutInflater.inflate(LayoutInflater.java:374)
at android.app.DatePickerDialog.<init>(DatePickerDialog.java:112)
at android.app.DatePickerDialog.<init>(DatePickerDialog.java:82)
at com.example.bisma.calendar_analyzer.ui.CreateEventActivity.onClick(CreateEventActivity.java:100)
at android.view.View.performClick(View.java:5204)
at android.view.View$PerformClick.run(View.java:21153)
at android.os.Handler.handleCallback(Handler.java:739)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:5417)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
Caused by: android.view.InflateException: Binary XML file line #20: Error inflating class <unknown>
at android.view.LayoutInflater.createView(LayoutInflater.java:645)
at com.android.internal.policy.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:58)
at android.view.LayoutInflater.onCreateView(LayoutInflater.java:694)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:762)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:704)
at android.view.LayoutInflater.inflate(LayoutInflater.java:492)
at android.view.LayoutInflater.inflate(LayoutInflater.java:423)
at android.view.LayoutInflater.inflate(LayoutInflater.java:374)
at android.app.DatePickerDialog.<init>(DatePickerDialog.java:112)
at android.app.DatePickerDialog.<init>(DatePickerDialog.java:82)
at com.example.bisma.calendar_analyzer.ui.CreateEventActivity.onClick(CreateEventActivity.java:100)
at android.view.View.performClick(View.java:5204)
at android.view.View$PerformClick.run(View.java:21153)
at android.os.Handler.handleCallback(Handler.java:739)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:5417)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
Caused by: java.lang.reflect.InvocationTargetException
at java.lang.reflect.Constructor.newInstance(Native Method)
at android.view.LayoutInflater.createView(LayoutInflater.java:619)
at com.android.internal.policy.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:58)
at android.view.LayoutInflater.onCreateView(LayoutInflater.java:694)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:762)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:704)
at android.view.LayoutInflater.inflate(LayoutInflater.java:492)
at android.view.LayoutInflater.inflate(LayoutInflater.java:423)
at android.view.LayoutInflater.inflate(LayoutInflater.java:374)
at android.app.DatePickerDialog.<init>(DatePickerDialog.java:112)
at android.app.DatePickerDialog.<init>(DatePickerDialog.java:82)
at com.example.bisma.calendar_analyzer.ui.CreateEventActivity.onClick(CreateEventActivity.java:100)
at android.view.View.performClick(View.java:5204)
at android.view.View$PerformClick.run(View.java:21153)
at android.os.Handler.handleCallback(Handler.java:739)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:5417)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
Caused by: android.content.res.Resources$NotFoundException: File res/color/mcv_text_date_dark.xml from drawable resource ID #0x7f0c006c
at android.content.res.Resources.loadDrawableForCookie(Resources.java:2640)
at android.content.res.Resources.loadDrawable(Resources.java:2540)
at android.content.res.TypedArray.getDrawable(TypedArray.java:870)
at android.widget.DatePickerCalendarDelegate.<init>(DatePickerCalendarDelegate.java:155)
at android.widget.DatePicker.createCalendarUIDelegate(DatePicker.java:160)
at android.widget.DatePicker.<init>(DatePicker.java:140)
at android.widget.DatePicker.<init>(DatePicker.java:126)
at android.widget.DatePicker.<init>(DatePicker.java:122)
at java.lang.reflect.Constructor.newInstance(Native Method)
at android.view.LayoutInflater.createView(LayoutInflater.java:619)
at com.android.internal.policy.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:58)
at android.view.LayoutInflater.onCreateView(LayoutInflater.java:694)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:762)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:704)
at android.view.LayoutInflater.inflate(LayoutInflater.java:492)
at android.view.LayoutInflater.inflate(LayoutInflater.java:423)
at android.view.LayoutInflater.inflate(LayoutInflater.java:374)
at android.app.DatePickerDialog.<init>(DatePickerDialog.java:112)
at android.app.DatePickerDialog.<init>(DatePickerDialog.java:82)
at com.example.bisma.calendar_analyzer.ui.CreateEventActivity.onClick(CreateEventActivity.java:100)
at android.view.View.performClick(View.java:5204)
at android.view.View$PerformClick.run(View.java:21153)
at android.os.Handler.handleCallback(Handler.java:739)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:5417)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
Caused by: org.xmlpull.v1.XmlPullParserException: Binary XML file line #7: <item> tag requires a 'drawable' attribute or child tag defining a drawable
at android.graphics.drawable.StateListDrawable.inflateChildElements(StateListDrawable.java:182)
at android.graphics.drawable.StateListDrawable.inflate(StateListDrawable.java:115)
at android.graphics.drawable.Drawable.createFromXmlInner(Drawable.java:1215)
at android.graphics.drawable.Drawable.createFromXml(Drawable.java:1124)
at android.content.res.Resources.loadDrawableForCookie(Resources.java:2630)
at android.content.res.Resources.loadDrawable(Resources.java:2540)
at android.content.res.TypedArray.getDrawable(TypedArray.java:870)
at android.widget.DatePickerCalendarDelegate.<init>(DatePickerCalendarDelegate.java:155)
at android.widget.DatePicker.createCalendarUIDelegate(DatePicker.java:160)
at android.widget.DatePicker.<init>(DatePicker.java:140)
at android.widget.DatePicker.<init>(DatePicker.java:126)
at android.widget.DatePicker.<init>(DatePicker.java:122)
at java.lang.reflect.Constructor.newInstance(Native Method)
at android.view.LayoutInflater.createView(LayoutInflater.java:619)
at com.android.internal.policy.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:58)
at android.view.LayoutInflater.onCreateView(LayoutInflater.java:694)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:762)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:704)
at android.view.LayoutInflater.inflate(LayoutInflater.java:492)
at android.view.LayoutInflater.inflate(LayoutInflater.java:423)
at android.view.LayoutInflater.inflate(LayoutInflater.java:374)
at android.app.DatePickerDialog.<init>(DatePickerDialog.java:112)
at android.app.DatePickerDialog.<init>(DatePickerDialog.java:82)
at com.example.bisma.calendar_analyzer.ui.CreateEventActivity.onClick(CreateEventActivity.java:100)
at android.view.View.performClick(View.java:5204)
at android.view.View$PerformClick.run(View.java:21153)
at android.os.Handler.handleCallback(Handler.java:739)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:5417)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
下面是完整的XML
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:padding="16dp"
tools:context="com.example.bisma.calendar_analyzer.ui.CreateEventActivity">
<EditText
android:id="@+id/eventTitle_et"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:hint="Event Title" />
<EditText
android:id="@+id/description_et"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@+id/eventTitle_et"
android:layout_marginTop="10dp"
android:hint="Description" />
<TextView
android:id="@+id/startDate_et"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@+id/description_et"
android:layout_marginTop="10dp"
android:background="@drawable/round_field"
android:hint="Start Date/Time"
android:padding="10dp"
android:textColor="@color/white"
android:textColorHint="@color/white" />
<TextView
android:id="@+id/endDate_et"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@+id/startDate_et"
android:layout_marginTop="10dp"
android:background="@drawable/round_field"
android:hint="End Date/Time"
android:padding="10dp"
android:textColor="@color/white"
android:textColorHint="@color/white" />
<Button
android:id="@+id/create_event_btn"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@+id/endDate_et"
android:layout_marginTop="10dp"
android:text="Create Event" />
顯示你的XML請 –
沒有與XML沒有問題(我反正更新的問題)......當我在onClick做其他事情時,它工作正常。並且DatePickerDialog沒有XML – AwaisMajeed
請更新完整的xml –