csvファイルを使用して通話ログのバックアップと復元を行うアプリをAndroidで作成しています。問題に直面していますが、ここで問題がどこにあるのかわかりません。エラーログです。バグの場所と修正方法を教えてください.....
04-02 16:26:10.284: E/AndroidRuntime(7030): FATAL EXCEPTION: AsyncTask #1
04-02 16:26:10.284: E/AndroidRuntime(7030): java.lang.RuntimeException: An error occured while executing doInBackground()
04-02 16:26:10.284: E/AndroidRuntime(7030): at android.os.AsyncTask$3.done(AsyncTask.java:299)
04-02 16:26:10.284: E/AndroidRuntime(7030): at java.util.concurrent.FutureTask$Sync.innerSetException(FutureTask.java:273)
04-02 16:26:10.284: E/AndroidRuntime(7030): at java.util.concurrent.FutureTask.setException(FutureTask.java:124)
04-02 16:26:10.284: E/AndroidRuntime(7030): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:307)
04-02 16:26:10.284: E/AndroidRuntime(7030): at java.util.concurrent.FutureTask.run(FutureTask.java:137)
04-02 16:26:10.284: E/AndroidRuntime(7030): at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:230)
04-02 16:26:10.284: E/AndroidRuntime(7030): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1076)
04-02 16:26:10.284: E/AndroidRuntime(7030): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:569)
04-02 16:26:10.284: E/AndroidRuntime(7030): at java.lang.Thread.run(Thread.java:856)
04-02 16:26:10.284: E/AndroidRuntime(7030): Caused by: java.lang.NullPointerException
04-02 16:26:10.284: E/AndroidRuntime(7030): at android.os.Parcel.readException(Parcel.java:1431)
04-02 16:26:10.284: E/AndroidRuntime(7030): at android.database.DatabaseUtils.readExceptionFromParcel(DatabaseUtils.java:188)
04-02 16:26:10.284: E/AndroidRuntime(7030): at android.database.DatabaseUtils.readExceptionFromParcel(DatabaseUtils.java:140)
04-02 16:26:10.284: E/AndroidRuntime(7030): at android.content.ContentProviderProxy.insert(ContentProviderNative.java:420)
04-02 16:26:10.284: E/AndroidRuntime(7030): at android.content.ContentResolver.insert(ContentResolver.java:866)
04-02 16:26:10.284: E/AndroidRuntime(7030): at com.example.androidbackuppro.Restore.RestoreCallLogs(Restore.java:396)
04-02 16:26:10.284: E/AndroidRuntime(7030): at com.example.androidbackuppro.Restore$CallLogsRestore.doInBackground(Restore.java:318)
04-02 16:26:10.284: E/AndroidRuntime(7030): at com.example.androidbackuppro.Restore$CallLogsRestore.doInBackground(Restore.java:1)
04-02 16:26:10.284: E/AndroidRuntime(7030): at android.os.AsyncTask$2.call(AsyncTask.java:287)
04-02 16:26:10.284: E/AndroidRuntime(7030): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:305)
04-02 16:26:10.284: E/AndroidRuntime(7030): ... 5 more
04-02 16:26:19.329: I/Choreographer(7030): Skipped 508 frames! The application may be doing too much work on its main thread.
04-02 16:26:19.724: E/SpannableStringBuilder(7030): SPAN_EXCLUSIVE_EXCLUSIVE spans cannot have a zero length
04-02 16:26:19.729: E/SpannableStringBuilder(7030): SPAN_EXCLUSIVE_EXCLUSIVE spans cannot have a zero length
04-02 16:26:19.764: W/IInputConnectionWrapper(7030): getSelectedText on inactive InputConnection
04-02 16:26:19.784: W/IInputConnectionWrapper(7030): setComposingText on inactive InputConnection
04-02 16:26:19.829: E/WindowManager(7030): Activity com.example.androidbackuppro.Restore has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@41bd7850 that was originally added here
04-02 16:26:19.829: E/WindowManager(7030): android.view.WindowLeaked: Activity com.example.androidbackuppro.Restore has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@41bd7850 that was originally added here
04-02 16:26:19.829: E/WindowManager(7030): at android.view.ViewRootImpl.<init>(ViewRootImpl.java:409)
04-02 16:26:19.829: E/WindowManager(7030): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:322)
04-02 16:26:19.829: E/WindowManager(7030): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:234)
04-02 16:26:19.829: E/WindowManager(7030): at android.view.WindowManagerImpl$CompatModeWrapper.addView(WindowManagerImpl.java:153)
04-02 16:26:19.829: E/WindowManager(7030): at android.view.Window$LocalWindowManager.addView(Window.java:559)
04-02 16:26:19.829: E/WindowManager(7030): at android.app.Dialog.show(Dialog.java:277)
04-02 16:26:19.829: E/WindowManager(7030): at com.example.androidbackuppro.Restore$CallLogsRestore.onPreExecute(Restore.java:297)
04-02 16:26:19.829: E/WindowManager(7030): at android.os.AsyncTask.executeOnExecutor(AsyncTask.java:586)
04-02 16:26:19.829: E/WindowManager(7030): at android.os.AsyncTask.execute(AsyncTask.java:534)
04-02 16:26:19.829: E/WindowManager(7030): at com.example.androidbackuppro.Restore.CallLogsRestore(Restore.java:92)
04-02 16:26:19.829: E/WindowManager(7030): at java.lang.reflect.Method.invokeNative(Native Method)
04-02 16:26:19.829: E/WindowManager(7030): at java.lang.reflect.Method.invoke(Method.java:511)
04-02 16:26:19.829: E/WindowManager(7030): at android.view.View$1.onClick(View.java:3719)
04-02 16:26:19.829: E/WindowManager(7030): at android.view.View.performClick(View.java:4261)
04-02 16:26:19.829: E/WindowManager(7030): at android.view.View$PerformClick.run(View.java:17356)
04-02 16:26:19.829: E/WindowManager(7030): at android.os.Handler.handleCallback(Handler.java:615)
04-02 16:26:19.829: E/WindowManager(7030): at android.os.Handler.dispatchMessage(Handler.java:92)
04-02 16:26:19.829: E/WindowManager(7030): at android.os.Looper.loop(Looper.java:137)
04-02 16:26:19.829: E/WindowManager(7030): at android.app.ActivityThread.main(ActivityThread.java:4921)
04-02 16:26:19.829: E/WindowManager(7030): at java.lang.reflect.Method.invokeNative(Native Method)
04-02 16:26:19.829: E/WindowManager(7030): at java.lang.reflect.Method.invoke(Method.java:511)
04-02 16:26:19.829: E/WindowManager(7030): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1038)
04-02 16:26:19.829: E/WindowManager(7030): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:805)
04-02 16:26:19.829: E/WindowManager(7030): at dalvik.system.NativeStart.main(Native Method)
ここにコードがあります
folder = new File(Environment.getExternalStorageDirectory() + File.separator + getString(R.string.app_name));
String csvFilename = folder+"/CallLogs.csv";
if(IsFileExists(csvFilename))
{
CSVReader csvReader = new CSVReader(new FileReader(csvFilename), ',', '\'', 0);
String[] row = null;
if(csvReader.readNext()!=null)
{
while((row = csvReader.readNext()) != null)
{
RestoreCallLogs(row[0],row[1],row[2],row[3],row[4]);
}
csvReader.close();
//If Restoration is successful
IsRestore="1";
}
public void RestoreCallLogs(String Name,String number,String Date,String Type,String Duration){
ContentValues values = new ContentValues();
values.put(CallLog.Calls.NUMBER, number);
values.put(CallLog.Calls.DATE, Date);
values.put(CallLog.Calls.DURATION,Duration);
values.put(CallLog.Calls.TYPE, Type);
/* if(Type=="Incoming")
values.put(CallLog.Calls.TYPE, 1);
else if(Type=="Missed")
values.put(CallLog.Calls.TYPE, 2);
else
values.put(CallLog.Calls.TYPE, 3);*/
if(Name!="Unknown")
values.put(CallLog.Calls.CACHED_NAME, Name);
getContentResolver().insert(CallLog.Calls.CONTENT_URI, values);
}