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В моем приложении я открываю активность из службы каждые 1 минуту, если в веб-службе у меня есть некоторые данные. теперь в этом моем коде я иногда получаю эту ошибку ниже. после поиска в любом документе об этой ошибке и приложении трассировки я могу найти причину этой ошибки.Активность Android ComponentInfo
полный журнал кошка:
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example/com.example.ServiceDialog}: java.lang.NullPointerException: println needs a message
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2306)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2358)
at android.app.ActivityThread.access$600(ActivityThread.java:156)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1340)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:153)
at android.app.ActivityThread.main(ActivityThread.java:5297)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:833)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:600)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.NullPointerException: println needs a message
at android.util.Log.println_native(Native Method)
at android.util.Log.e(Log.java:231)
at com.example.ServiceDialog.onCreate(ServiceDialog.java:195)
at android.app.Activity.performCreate(Activity.java:5122)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1081)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2270)
... 11 more
java.lang.NullPointerException: println needs a message
at android.util.Log.println_native(Native Method)
at android.util.Log.e(Log.java:231)
at com.example.ServiceDialog.onCreate(ServiceDialog.java:195)
at android.app.Activity.performCreate(Activity.java:5122)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1081)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2270)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2358)
at android.app.ActivityThread.access$600(ActivityThread.java:156)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1340)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:153)
at android.app.ActivityThread.main(ActivityThread.java:5297)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:833)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:600)
at dalvik.system.NativeStart.main(Native Method)
моя активность:
public class ServiceDialog extends Activity {
private Context ctx;
private String count;
private Boolean ps;
private Boolean sn;
private String mLastID;
private String mSmsNumber;
private String mMobileNumber;
private String mContactName;
private String mSmsBody;
private String mSenderName;
private String mDate;
private MediaPlayer sms_music;
private PowerManager.WakeLock wakeLock;
private TextView count_sms;
private Intent intent;
MyResultReceiver resultReceiver;
private ContentResolver contentResolver;
private boolean getCurrentActivity;
private LinearLayout open_app;
private TextView content;
private TextView title;
private TextView tv_date_time;
private TextView tv_name_family;
private TextView te_sms_text;
private TextView tv_phone_number;
private TextView title;
private LinearLayout main_window;
private Integer notify = 0;
private Integer unread_messages = 0;
@Override
public void onCreate (Bundle savedInstanceState) {
super.onCreate (savedInstanceState);
requestWindowFeature (Window.FEATURE_NO_TITLE);
getWindow().setFlags (WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
setContentView (R.layout.service_view_dialog);
ctx = getBaseContext();
G.redirect = false;
/* Set current Activity runnable with this activity class */
G.activity = this;
title = (TextView) findViewById (R.id.tv_title);
content = (TextView) findViewById (R.id.content);
count_sms = (TextView) findViewById (R.id.tv_count_new_sms);
tv_date_time = (TextView) findViewById (R.id.tv_date_time);
tv_name_family = (TextView) findViewById (R.id.tv_name_family);
tv_phone_number = (TextView) findViewById (R.id.tv_phone_number);
te_sms_text = (EditText) findViewById (R.id.te_sms_text);
title.setText (ctx.getResources().getString (R.string.count_new_sms_received));
main_window = (LinearLayout) findViewById (R.id.main_window);
int count = 0;
int unread= 0;
if (savedInstanceState == null) {
Bundle extras = getIntent().getExtras();
if (extras == null) {
count = 0;
} else {
G.config_username = extras.getString ("username");
G.config_password = extras.getString ("password");
unread_messages = extras.getInt ("unread" );
notify = extras.getInt ("notify" );
G.db = new DatabaseHandler (getBaseContext());
}
}
contentResolver = ctx.getContentResolver();
Button send_sms = (Button) findViewById (R.id.send_sms);
open_app = (LinearLayout) findViewById (R.id.open_app);
LinearLayout delete = (LinearLayout) findViewById (R.id.delete);
LinearLayout forward = (LinearLayout) findViewById (R.id.forward);
ps = Configuration.getInstance().getBoolean (getApplication(), Configuration.SharedPrefsTypes.PLAY_SOUND);
sn = Configuration.getInstance().getBoolean (getApplication(), Configuration.SharedPrefsTypes.SHOW_NOTOFICATION);
//Log.e("Notification State is : ", sn+"");
count_sms.setText(unread_messages +"");
new LongOperation().execute (unread_messages);
notification();
WindowManager.LayoutParams params = getWindow().getAttributes();
params.flags |= WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON;
params.screenBrightness = 1.0f;
getWindow().setAttributes(params);
PowerManager powermanager = ((PowerManager)ctx.getSystemService(Context.POWER_SERVICE));
wakeLock=powermanager.newWakeLock(
PowerManager.SCREEN_BRIGHT_WAKE_LOCK |
PowerManager.ACQUIRE_CAUSES_WAKEUP, "TsmsScreenOn");
wakeLock.acquire();
resultReceiver = new MyResultReceiver(null);
intent = new Intent(this, ToobaPayamakService.class);
intent.putExtra("receiver", resultReceiver);
startService(intent);
}
public void updateAndIntertDialog(Integer received_count){
Cursor cursor = G.db.getSingleRowReceivedFromDatabase(G.config_username);
if (cursor != null && cursor.getCount() != 0) {
if (cursor.moveToFirst()) {
mLastID = cursor.getString(2);
mSmsBody = cursor.getString(7);
mSenderName = cursor.getString(5);
mDate = cursor.getString (9);
mSmsNumber = cursor.getString(3);
mContactName = G.getContentNameFromContactList(mSenderName,contentResolver);
if(TextUtils.isEmpty(mContactName))
/* if contact name not exist in contact show resolve by service */
mContactName = mSenderName;
}
}
cursor.close();
//Log.e("LAST ID FOE CHECK -------------",mLastID);
tv_name_family.setText (mContactName);
tv_phone_number.setText (mSmsNumber);
tv_date_time.setText (mDate.substring(11, 16));
mMobileNumber = G.getContactMobile (mContactName);
content.setText (mSmsBody);
getCurrentActivity = Configuration.getInstance()
.getBoolean (getApplication(),
Configuration.SharedPrefsTypes.ACTIVITY_IS_RUNNING);
Log.e("Activity is : ", getCurrentActivity+"");
if(getCurrentActivity){
try{
G.fillItems (contentResolver);
}catch (Exception e){
Log.e ("Fill Items in ServiceDialog", e.getMessage());
}
}
main_window.setVisibility (View.VISIBLE);
}
private class LongOperation extends AsyncTask<Integer, Void, Integer> {
@Override
protected Integer doInBackground(Integer... params) { // params[0] is unread;
int result = 0;
try {
if(G.checkInternetConnection()) {
G.getRequestFromServer (0, params[ 0 ], contentResolver);
result = params[0];
}
} catch (JSONException e) {
e.printStackTrace();
}
return result;
}
@Override
protected void onPostExecute(Integer result) {
if(result != 0) {
updateAndIntertDialog(result);
}
}
@Override
protected void onPreExecute() {}
@Override
protected void onProgressUpdate(Void... values) {}
}
class UpdateUI implements Runnable{
String received_count;
public UpdateUI(String received_count) {
this.received_count = received_count;
}
public void run() {
new LongOperation().execute (Integer.valueOf (received_count));
}
}
class MyResultReceiver extends ResultReceiver{
public MyResultReceiver(Handler handler) {
super(handler);
}
@Override
protected void onReceiveResult(int resultCode, Bundle resultData) {
runOnUiThread(new UpdateUI(""+resultCode));
}
}
}
линия 195 является:
protected void onPreExecute() {}