关于更改网格视图以链接xml布局显示logcat错误



我用新错误更改了日志猫。日志猫错误再次显示相同的错误,模拟器在日历中点击日期后强制关闭。。。我甚至已经在清单中声明了所有活动,然后错误也在继续。。。。请帮助

12-11 11:31:05.745: W/dalvikvm(483): threadid=1: thread exiting with uncaught exception (group=0x40015560)
12-11 11:31:05.755: E/AndroidRuntime(483): FATAL EXCEPTION: main
12-11 11:31:05.755: E/AndroidRuntime(483): android.content.ActivityNotFoundException: Unable to find explicit activity class {com.examples.android.calendar/android.util.EventLog$Event}; have you declared this activity in your AndroidManifest.xml?
12-11 11:31:05.755: E/AndroidRuntime(483):  at android.app.Instrumentation.checkStartActivityResult(Instrumentation.java:1405)
12-11 11:31:05.755: E/AndroidRuntime(483):  at android.app.Instrumentation.execStartActivity(Instrumentation.java:1379)
12-11 11:31:05.755: E/AndroidRuntime(483):  at android.app.Activity.startActivityForResult(Activity.java:2827)
12-11 11:31:05.755: E/AndroidRuntime(483):  at android.app.Activity.startActivity(Activity.java:2933)
12-11 11:31:05.755: E/AndroidRuntime(483):  at com.examples.android.calendar.CalendarView$4.onItemClick(CalendarView.java:104)
12-11 11:31:05.755: E/AndroidRuntime(483):  at android.widget.AdapterView.performItemClick(AdapterView.java:284)
12-11 11:31:05.755: E/AndroidRuntime(483):  at android.widget.AbsListView$PerformClick.run(AbsListView.java:1812)
12-11 11:31:05.755: E/AndroidRuntime(483):  at android.os.Handler.handleCallback(Handler.java:587)
12-11 11:31:05.755: E/AndroidRuntime(483):  at android.os.Handler.dispatchMessage(Handler.java:92)
12-11 11:31:05.755: E/AndroidRuntime(483):  at android.os.Looper.loop(Looper.java:123)
12-11 11:31:05.755: E/AndroidRuntime(483):  at android.app.ActivityThread.main(ActivityThread.java:3683)
12-11 11:31:05.755: E/AndroidRuntime(483):  at java.lang.reflect.Method.invokeNative(Native Method)
12-11 11:31:05.755: E/AndroidRuntime(483):  at java.lang.reflect.Method.invoke(Method.java:507)
12-11 11:31:05.755: E/AndroidRuntime(483):  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
12-11 11:31:05.755: E/AndroidRuntime(483):  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
12-11 11:31:05.755: E/AndroidRuntime(483):  at dalvik.system.NativeStart.main(Native Method)
12-11 11:31:08.927: I/Process(483): Sending signal. PID: 483 SIG: 9

在点击监听器的网格视图中包含错误的代码如下所示。

gridview.setOnItemClickListener(new OnItemClickListener() {
                    public void onItemClick(AdapterView<?> parent, View v, int position, long id) {
                        TextView date = (TextView)v.findViewById(R.id.date);
                         LayoutInflater inflate = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
                        if(date instanceof TextView && !date.getText().equals("")) {
                     //    Intent intent;
                            String day = date.getText().toString();
                            if(day.length()==1) {
                                day = "0"+day;
                            }
                            // return chosen date as string format 
                        /** intent.putExtra("date", android.text.format.DateFormat.format("yyyy-MM", month)+"-"+day);
                            setResult(RESULT_OK, intent);
                            finish();
                            */
                            //Intent intent = new Intent(v.getContext(), Event.class);
                           Intent intent = (new Intent(CalendarView.this, Event.class));               
                           startActivity(intent);

                               // RelativeLayout layoutLeft = (RelativeLayout) inflate.inflate(
                                 //   R.layout.event, null);

                        }
                    }
                });
            }

这是我的项目清单文件,我已经更新了一些更改。。。。。

清单文件

    <application android:icon="@drawable/icon" 
            android:label="@string/app_name"> 
            <activity android:name=".CalendarViewSampleActivity" 
            android:label="@string/app_name">
         <intent-filter> 
            <action android:name="android.intent.action.MAIN" />
            <category android:name="android.intent.category.LAUNCHER" />
         </intent-filter>
             </activity>
         <activity android:name="com.examples.android.calendar.CalendarView"
              android:label="com.examples.android.calendar.CalendarView"> </activity>
         <activity android:name="com.examples.android.calendar.CalendarAdapter"
            android:label="com.examples.android.calendar.CalendarAdapter" > </activity>
         </application>

我已经添加了我项目的完整代码,请验证代码。从gridview调用新xml布局的onclick事件显示了一个错误。

查看日历这里是代码。

CalenderView.java文件

        package com.examples.android.calendar;
        public class CalendarView extends Activity {
            public Calendar month;
            public CalendarAdapter adapter;
            public Handler handler;
            public Context context;
            public ArrayList<String> items; // container to store some random calendar items
            public void onCreate(Bundle savedInstanceState) {
                super.onCreate(savedInstanceState);
                setContentView(R.layout.calendar);
                month = Calendar.getInstance();
                onNewIntent(getIntent());
                items = new ArrayList<String>();
                adapter = new CalendarAdapter(this, month);
                GridView gridview = (GridView) findViewById(R.id.gridview);
                gridview.setAdapter(adapter);
                handler = new Handler();
                handler.post(calendarUpdater);
                TextView title  = (TextView) findViewById(R.id.title);
                title.setText(android.text.format.DateFormat.format("MMMM yyyy", month));
                TextView previous  = (TextView) findViewById(R.id.previous);
                previous.setOnClickListener(new OnClickListener() {
                    @Override
                    public void onClick(View v) {
                        if(month.get(Calendar.MONTH)== month.getActualMinimum(Calendar.MONTH)) {                
                            month.set((month.get(Calendar.YEAR)-1),month.getActualMaximum(Calendar.MONTH),1);
                        } else {
                            month.set(Calendar.MONTH,month.get(Calendar.MONTH)-1);
                        }
                        refreshCalendar();
                    }
                });
                TextView next  = (TextView) findViewById(R.id.next);
                next.setOnClickListener(new OnClickListener() {
                    @Override
                    public void onClick(View v) {
                        if(month.get(Calendar.MONTH)== month.getActualMaximum(Calendar.MONTH)) {                
                            month.set((month.get(Calendar.YEAR)+1),month.getActualMinimum(Calendar.MONTH),1);
                        } else {
                            month.set(Calendar.MONTH,month.get(Calendar.MONTH)+1);
                        }
                        refreshCalendar();
                    }
                });

                gridview.setOnItemClickListener(new OnItemClickListener() {
                    public void onItemClick(AdapterView<?> parent, View v, int position, long id) {
                        TextView date = (TextView)v.findViewById(R.id.date);
                         LayoutInflater inflate = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
                        if(date instanceof TextView && !date.getText().equals("")) {
                        //  Intent intent = new Intent();
                            String day = date.getText().toString();
                            if(day.length()==1) {
                                day = "0"+day;
                            }
                            // return chosen date as string format 
                        /** intent.putExtra("date", android.text.format.DateFormat.format("yyyy-MM", month)+"-"+day);
                            setResult(RESULT_OK, intent);
                            finish();
                            */
                            //Intent intent = new Intent(v.getContext(), Event.class);
                        Intent intent = (new Intent(CalendarView.this, Event.class));             
                         startActivity(intent);

                               // RelativeLayout layoutLeft = (RelativeLayout) inflate.inflate(
                                 //   R.layout.event, null);

                        }
                    }
                });
            }
            public void refreshCalendar()
            {
                TextView title  = (TextView) findViewById(R.id.title);
                adapter.refreshDays();
                adapter.notifyDataSetChanged();             
                handler.post(calendarUpdater); // generate some random calendar items               
                title.setText(android.text.format.DateFormat.format("MMMM yyyy", month));
            }
            public void onNewIntent(Intent intent) {
                String date = intent.getStringExtra("date");
                String[] dateArr = date.split("-"); // date format is yyyy-mm-dd
                month.set(Integer.parseInt(dateArr[0]), Integer.parseInt(dateArr[1]), Integer.parseInt(dateArr[2]));
            }
            public Runnable calendarUpdater = new Runnable() {
                @Override
                public void run() {
                    items.clear();
                    // format random values. You can implement a dedicated class to provide real values
                    for(int i=0;i<31;i++) {
                        Random r = new Random();
                        if(r.nextInt(10)>6)
                        {
                            items.add(Integer.toString(i));
                        }
                    }
                    adapter.setItems(items);
                    adapter.notifyDataSetChanged();
                }
            };
        }

此事件fle将由gridview调用。此文件必须在日历中单击日期后显示。。。。event.xml文件

        <?xml version="1.0" encoding="utf-8"?>
        <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
            android:id="@+id/RelativeLayout1"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="vertical" >
            <TableLayout
                android:layout_width="wrap_content"
                android:layout_height="wrap_content" >
                <TableRow
                    android:id="@+id/tableRow1"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content" >
                    <TextView
                        android:id="@+id/textView1"
                        android:layout_width="120dp"
                        android:layout_height="wrap_content"
                        android:text="Event Date"
                        android:textAppearance="?android:attr/textAppearanceMedium" />
                    <android.widget.Space
                        android:id="@+id/space1"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content" />
                    <TextView
                        android:id="@+id/textView2"
                        android:layout_width="200dp"
                        android:layout_height="wrap_content"
                        android:text="Event Discription"
                        android:textAppearance="?android:attr/textAppearanceMedium" />
                </TableRow>
                <TableRow
                    android:id="@+id/tableRow2"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content" >
                </TableRow>
            </TableLayout>
        </RelativeLayout>

Emulator被强制停止,显示此java文件中的错误CalenderViewSampleActivity.java文件

        package com.examples.android.calendar;
        import android.app.Activity;
        import android.content.Intent;
        import android.os.Bundle;
        import android.view.View;
        import android.view.View.OnClickListener;
        import android.widget.Button;
        import android.widget.DatePicker;
        import android.widget.Toast;
        public class CalendarViewSampleActivity extends Activity {
            /** Called when the activity is first created. */
            static final int DATE_DIALOG_ID = 0;
            static final int PICK_DATE_REQUEST = 1;
            @Override
            public void onCreate(Bundle savedInstanceState) {
                super.onCreate(savedInstanceState);
                setContentView(R.layout.main);
                Button openButton = (Button)findViewById(R.id.openButton);
                openButton.setOnClickListener(new OnClickListener() {
                    @Override
                    public void onClick(View v) {
                        DatePicker dp = (DatePicker)findViewById(R.id.datePicker1);
                        Intent intent = new Intent(v.getContext(),CalendarView.class);
                        intent.putExtra("date", dp.getYear()+"-"+dp.getMonth()+"-"+dp.getDayOfMonth());
                        startActivityForResult(intent, PICK_DATE_REQUEST);              
                    }
                });
            }
            @Override
            protected void onActivityResult(int requestCode, int resultCode, Intent data) {
                super.onActivityResult(requestCode, resultCode, data);
                if (requestCode == PICK_DATE_REQUEST) {
                    if (resultCode == RESULT_OK) {
                        Toast.makeText(getApplicationContext(), data.getStringExtra("date"), Toast.LENGTH_SHORT).show();
                        String[] dateArr = data.getStringExtra("date").split("-");
                        DatePicker dp = (DatePicker)findViewById(R.id.datePicker1);
                        dp.updateDate(Integer.parseInt(dateArr[0]), Integer.parseInt(dateArr[1]), Integer.parseInt(dateArr[2]));
                    }
                }
            }
        }

CalenderAdapter.java文件

        package com.examples.android.calendar;
        import java.util.ArrayList;
        import java.util.Calendar;
        import android.content.Context;
        import android.view.LayoutInflater;
        import android.view.View;
        import android.view.ViewGroup;
        import android.widget.BaseAdapter;
        import android.widget.GridView;
        import android.widget.ImageView;
        import android.widget.TextView;
        public class CalendarAdapter extends BaseAdapter {
            static final int FIRST_DAY_OF_WEEK =0; // Sunday = 0, Monday = 1

            private Context mContext;
            private java.util.Calendar month;
            private Calendar selectedDate;
            private ArrayList<String> items;
            public CalendarAdapter(Context c, Calendar monthCalendar) {
                month = monthCalendar;
                selectedDate = (Calendar)monthCalendar.clone();
                mContext = c;
                month.set(Calendar.DAY_OF_MONTH, 1);
                this.items = new ArrayList<String>();
                refreshDays();
            }
            public void setItems(ArrayList<String> items) {
                for(int i = 0;i != items.size();i++){
                    if(items.get(i).length()==1) {
                    items.set(i, "0" + items.get(i));
                    }
                }
                this.items = items;
            }

            public int getCount() {
                return days.length;
            }
            public Object getItem(int position) {
                return null;
            }
            public long getItemId(int position) {
                return 0;
            }
            // create a new view for each item referenced by the Adapter
            public View getView(int position, View convertView, ViewGroup parent) {
                View v = convertView;
                TextView dayView;
                if (convertView == null) {  // if it's not recycled, initialize some attributes
                    LayoutInflater vi = (LayoutInflater)mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
                    v = vi.inflate(R.layout.calendar_item, null);
                }
                dayView = (TextView)v.findViewById(R.id.date);
                // disable empty days from the beginning
                if(days[position].equals("")) {
                    dayView.setClickable(false);
                    dayView.setFocusable(false);
                }
                else {
                    // mark current day as focused
                    if(month.get(Calendar.YEAR)== selectedDate.get(Calendar.YEAR) && month.get(Calendar.MONTH)== selectedDate.get(Calendar.MONTH) && days[position].equals(""+selectedDate.get(Calendar.DAY_OF_MONTH))) {
                        v.setBackgroundResource(R.drawable.item_background_focused);
                    }
                    else {
                        v.setBackgroundResource(R.drawable.list_item_background);
                    }
                }
                dayView.setText(days[position]);
                // create date string for comparison
                String date = days[position];
                if(date.length()==1) {
                    date = "0"+date;
                }
                String monthStr = ""+(month.get(Calendar.MONTH)+1);
                if(monthStr.length()==1) {
                    monthStr = "0"+monthStr;
                }
                // show icon if date is not empty and it exists in the items array
                return v;
            }

// refresh days of month .

            public void refreshDays()
            {
                // clear items
                items.clear();
                int lastDay = month.getActualMaximum(Calendar.DAY_OF_MONTH);
                int firstDay = (int)month.get(Calendar.DAY_OF_WEEK);
                // figure size of the array
                if(firstDay==1){
                    days = new String[lastDay+(FIRST_DAY_OF_WEEK*6)];
                }
                else {
                    days = new String[lastDay+firstDay-(FIRST_DAY_OF_WEEK+1)];
                }
                int j=FIRST_DAY_OF_WEEK;
                // populate empty days before first real day
                if(firstDay>1) {
                    for(j=0;j<firstDay-FIRST_DAY_OF_WEEK;j++) {
                        days[j] = "";
                    }
                }
                else {
                    for(j=0;j<FIRST_DAY_OF_WEEK*6;j++) {
                        days[j] = "";
                    }
                    j=FIRST_DAY_OF_WEEK*6+1; // sunday => 1, monday => 7
                }
                // populate days
                int dayNumber = 1;
                for(int i=j-1;i<days.length;i++) {
                    days[i] = ""+dayNumber;
                    dayNumber++;
                }
            }
            // references to our items
            public String[] days;
        }

android.content.ActivityNotFoundException: Unable to find explicit activity class {com.examples.android.calendar/android.util.EventLog$Event}; have you declared this activity in your AndroidManifest.xml?

您可能会在网格视图中单击鼠标打开另一个活动。您的logcat显示您忘记在清单文件中注册活动。请确保您已在清单文件中声明了您的活动。

编辑:

您正在重定向到onItemClicklistener上的Event类,并且尚未在清单文件中声明您的Event活动。已在清单文件中声明。

<application android:icon="@drawable/icon" 
        android:label="@string/app_name"> 
        <activity android:name=".CalendarViewSampleActivity" 
        android:label="@string/app_name">
     <intent-filter> 
        <action android:name="android.intent.action.MAIN" />
        <category android:name="android.intent.category.LAUNCHER" />
     </intent-filter>
         </activity>
     <activity android:name=".Event"> </activity> //Declared this line in your manifest.
     </application>

还要删除您在清单中声明的Adapter类。<activity android:name="com.examples.android.calendar.CalendarAdapter"> </activity>适配器从不在清单中声明。

您有"android.content.ActivityNotFoundException"Excpetion。。。这意味着你还没有把你的活动放在清单中。。。

即使您拒绝了,也要尝试以正确的方式放置,。

我认为您已经在application标签之外声明了您的活动

我认为它会起作用的。。

 <application android:icon="@drawable/icon" 
    android:label="@string/app_name"> 
    <activity android:name=".CalendarViewSampleActivity" 
    android:label="@string/app_name">
 <intent-filter> 
    <action android:name="android.intent.action.MAIN" />
    <category android:name="android.intent.category.LAUNCHER" />
 </intent-filter>
     </activity>
 <activity android:name="com.examples.android.calendar.CalendarView"
      android:label="com.examples.android.calendar.CalendarView"> </activity>
 <activity android:name="com.examples.android.calendar.CalendarAdapter"
    android:label="com.examples.android.calendar.CalendarAdapter" > </activity>
 </application>

最新更新