The application <task name> has stopped unexpectedly

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The application <task name> has stopped unexpectedly

Postby MrSnowflake » Wed Nov 05, 2008 12:25 pm

Hello Community,

We've all seen this error: "The application <task name> has stopped unexpectedly. Please try again." With the button: "Force close". As we all know this is not a lot of information about the error. That's why there is a loggin system build in in to android. To the log Android outputs all information it has about the error, such as the java stacktrace. To access this log use this command (in the command-line interface):
Code: Select all
adb logcat

Or look in the DDMS perspective in Eclipse for the LogCat.

You can even filter the Log so you only get your own errors (though this will not give you the stacktrace).
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Postby alpesh_harsoda » Wed Dec 17, 2008 11:43 am

Thnks MrSnowFlake. :)
Regards,
Alpesh Patel,
Logistic Infotech
http://www.logisticinfotech.com
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Postby fbesoain » Sun Aug 16, 2009 1:10 am

I have tried before using adb catlog, but I cant understand well what that says, I need write some special code in my app?
for making logs?

thanks
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Re: The application <task name> has stopped unexpected

Postby Ennan » Mon Aug 31, 2009 8:54 pm

MrSnowflake wrote:Hello Community,

We've all seen this error: "The application <task name> has stopped unexpectedly. Please try again." With the button: "Force close". As we all know this is not a lot of information about the error. That's why there is a loggin system build in in to android. To the log Android outputs all information it has about the error, such as the java stacktrace. To access this log use this command (in the command-line interface):
Code: Select all
adb logcat

Or look in the DDMS perspective in Eclipse for the LogCat.

You can even filter the Log so you only get your own errors (though this will not give you the stacktrace).


Do you run the adb logcat command on the terminal under developper tools in the emulator? It says permission denied if i try that :(.
I cannot use the DDMS, because it is appareantly for 32 bits, and i run a 64 bit java...
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Postby MorbidDestiny » Fri Apr 23, 2010 11:27 am

And my application crashes when I run, and when I debug sometimes it works, but never shows any error on LogCat.

Help would be appreciated ^^
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Postby raim1312 » Wed May 05, 2010 9:42 pm

Don't forget you can also input custom log strings into your code. simply import the package:
Syntax: [ Download ] [ Hide ]
Using java Syntax Highlighting
  1. import android.util.log
Parsed in 0.029 seconds, using GeSHi 1.0.8.4


Then in your application:
Syntax: [ Download ] [ Hide ]
Using java Syntax Highlighting
  1. Log.i("tag for easy filter in logcat", "information you provide");
Parsed in 0.030 seconds, using GeSHi 1.0.8.4


Check the api here: Android Log API

I use it all the time to debug my applications
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Postby MorbidDestiny » Wed May 05, 2010 11:28 pm

I've done that already.
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Postby raim1312 » Wed May 05, 2010 11:44 pm

What are you trying to do in your application that generates the crash?
Can you provide the logcat just after it crashes?
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Postby MorbidDestiny » Thu May 06, 2010 11:10 am

I already don't know exactly what application was, since I already done some backup's and modified and done others...

But I think it was something about connecting to Twitter...

And that's the point. The LogCat came out blank.
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Re: The application <task name> has stopped unexpectedly

Postby J_R » Thu Oct 07, 2010 2:24 pm

If the LogCat is coming up blank:
1 Go to DDMS perspective
2 In the devices list click on the device who's log you want to see.

Now the LogCat view should show you what's being logged for that device. For some reason even if only one device is attached logcat view doesn't seem to attach to it.
That usually works for me.
http://www.staircase3.com
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Re: The application <task name> has stopped unexpectedly

Postby adameve24 » Thu Dec 16, 2010 10:33 am

the error - "The application <task name> has stopped unexpectedly"
is coming with calendar and music.

for music log cat entry is -
I/ActivityManager( 54): Process com.android.music (pid 216) has died.
W/ActivityManager( 54): Scheduling restart of crashed service com.android.music/.MediaPlaybackService in 11344ms

I/ActivityManager( 54): Start proc com.android.music for service com.android.music/.MediaPlaybackService: pid=273 uid=10002 gids={3003, 1015}
W/ActivityManager( 54): Activity destroy timeout for HistoryRecord{43cc6850 com.android.music/.MusicBrowserActivity}

I/ActivityManager( 54): Start proc com.android.mms for broadcast com.android.mms/.transaction.MmsSystemEventReceiver: pid=202 uid=10016 gids={3003, 1015}

tell me how to resolve it and make music application run ?

Even my calendar and mms and bluetooth are also not working
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Re: The application <task name> has stopped unexpectedly

Postby android_developper » Thu Sep 22, 2011 3:59 am

while running the android application this message appears --> The application has stopped unexpectedly. Please try again.
I have already checked the logcat ...I need help in understanding THIS

[2011-09-22 04:33:36 - Logcat]device not found
com.android.ddmlib.AdbCommandRejectedException: device not found
at com.android.ddmlib.AdbHelper.setDevice(AdbHelper.java:736)
at com.android.ddmlib.AdbHelper.executeRemoteCommand(AdbHelper.java:373)
at com.android.ddmlib.Device.executeShellCommand(Device.java:284)
at com.android.ddmuilib.logcat.LogPanel$3.run(LogPanel.java:527)
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Re: The application <task name> has stopped unexpectedly

Postby vishal.trivedi » Mon Oct 31, 2011 6:29 pm

just try restarting....
and i believe this is not from logcat but android console....
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Re: The application <task name> has stopped unexpectedly

Postby Ananya Raval » Sat Nov 05, 2011 2:19 pm

Code: Select all
package com.sysfore.SimpleCalculator;


import android.app.Activity;
import android.graphics.Color;
import android.os.Bundle;
import android.util.DisplayMetrics;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnKeyListener;
import android.widget.Button;
import android.widget.EditText;


/*
* This is the program of simple android calculator.
* This program is created using button and with its onclick
* listeners and simple maths logical operations.
*/

public class SimpleCalculatorActivity extends Activity {

   private final String SDK_VERSION = "1";
   private final int MENUITEM_CLOSE = 300;

   /*
    * Edit Text and Button object initialization for simple
    * calculator design.
    */
   private EditText txtCalc=null;
   private Button btnZero=null;
   private Button btnOne=null;
   private Button btnTwo=null;
   private Button btnThree=null;
   private Button btnFour=null;
   private Button btnFive=null;
   private Button btnSix=null;
   private Button btnSeven=null;
   private Button btnEight=null;
   private Button btnNine=null;
   private Button btnPlus=null;
   private Button btnMinus=null;
   private Button btnMultiply=null;
   private Button btnDivide=null;
   private Button btnEquals=null;
   private Button btnC=null;
   private Button btnDecimal=null;
   private Button btnMC=null;
   private Button btnMR=null;
   private Button btnMM=null;
   private Button btnMP=null;
   private Button btnBS=null;
   private Button btnPerc=null;
   private Button btnSqrRoot=null;
   private Button btnPM=null;

   private double num = 0;
   private double memNum = 0;
   private int operator = 1;
   // 0 = nothing, 1 = plus, 2 = minus, 3 =
   // multiply, 4 = divide
   private boolean readyToClear = false;
   private boolean hasChanged = false;

   /** Called when the activity is first created. */
   @Override
   public void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setTheme(android.R.style.Theme_Black);
      setContentView(R.layout.main);

      this.setTitle("SimpleCalculator " + SDK_VERSION);

      initControls();
      initScreenLayout();
      reset();
   }

   private void initScreenLayout() {
      
      /*
       * The following three command lines you can use depending
       * upon the emulator device you are using.
       */
      
      // 320 x 480 (Tall Display - HVGA-P) [default]
      // 320 x 240 (Short Display - QVGA-L)
      // 240 x 320 (Short Display - QVGA-P)

      DisplayMetrics dm = new DisplayMetrics();
      getWindowManager().getDefaultDisplay().getMetrics(dm);

      // this.showAlert(dm.widthPixels +" "+ dm.heightPixels, dm.widthPixels
      // +" "+ dm.heightPixels, dm.widthPixels +" "+ dm.heightPixels, false);

      int height = dm.heightPixels;
      int width = dm.widthPixels;

      if (height < 400 || width < 300) {
         txtCalc.setTextSize(20);
      }

      if (width < 300) {
         btnMC.setTextSize(18);
         btnMR.setTextSize(18);
         btnMP.setTextSize(18);
         btnMM.setTextSize(18);
         btnBS.setTextSize(18);
         btnDivide.setTextSize(18);
         btnPlus.setTextSize(18);
         btnMinus.setTextSize(18);
         btnMultiply.setTextSize(18);
         btnEquals.setTextSize(18);
         btnPM.setTextSize(18);
         btnPerc.setTextSize(18);
         btnC.setTextSize(18);
         btnSqrRoot.setTextSize(18);
         btnNine.setTextSize(18);
         btnEight.setTextSize(18);
         btnSeven.setTextSize(18);
         btnSix.setTextSize(18);
         btnFive.setTextSize(18);
         btnFour.setTextSize(18);
         btnThree.setTextSize(18);
         btnTwo.setTextSize(18);
         btnOne.setTextSize(18);
         btnZero.setTextSize(18);
         btnDecimal.setTextSize(18);
      }

      btnZero.setTextColor(Color.MAGENTA);
      btnOne.setTextColor(Color.MAGENTA);
      btnTwo.setTextColor(Color.MAGENTA);
      btnThree.setTextColor(Color.MAGENTA);
      btnFour.setTextColor(Color.MAGENTA);
      btnFive.setTextColor(Color.MAGENTA);
      btnSix.setTextColor(Color.MAGENTA);
      btnSeven.setTextColor(Color.MAGENTA);
      btnEight.setTextColor(Color.MAGENTA);
      btnNine.setTextColor(Color.MAGENTA);
      btnPM.setTextColor(Color.MAGENTA);
      btnDecimal.setTextColor(Color.MAGENTA);

      btnMP.setTextColor(Color.BLUE);
      btnMM.setTextColor(Color.BLUE);
      btnMR.setTextColor(Color.BLUE);
      btnMC.setTextColor(Color.BLUE);
      btnBS.setTextColor(Color.BLUE);
      btnC.setTextColor(Color.RED);
      btnPerc.setTextColor(Color.BLACK);
      btnSqrRoot.setTextColor(Color.BLACK);
   }

   private void initControls() {
      txtCalc = (EditText) findViewById(R.id.txtCalc);
      btnZero = (Button) findViewById(R.id.btnZero);
      btnOne = (Button) findViewById(R.id.btnOne);
      btnTwo = (Button) findViewById(R.id.btnTwo);
      btnThree = (Button) findViewById(R.id.btnThree);
      btnFour = (Button) findViewById(R.id.btnFour);
      btnFive = (Button) findViewById(R.id.btnFive);
      btnSix = (Button) findViewById(R.id.btnSix);
      btnSeven = (Button) findViewById(R.id.btnSeven);
      btnEight = (Button) findViewById(R.id.btnEight);
      btnNine = (Button) findViewById(R.id.btnNine);
      btnPlus = (Button) findViewById(R.id.btnPlus);
      btnMinus = (Button) findViewById(R.id.btnMinus);
      btnMultiply = (Button) findViewById(R.id.btnMultiply);
      btnDivide = (Button) findViewById(R.id.btnDivide);
      btnEquals = (Button) findViewById(R.id.btnEquals);
      btnC = (Button) findViewById(R.id.btnC);
      btnDecimal = (Button) findViewById(R.id.btnDecimal);
      btnMC = (Button) findViewById(R.id.btnMC);
      btnMR = (Button) findViewById(R.id.btnMR);
      btnMM = (Button) findViewById(R.id.btnMM);
      btnMP = (Button) findViewById(R.id.btnMP);
      btnBS = (Button) findViewById(R.id.btnBS);
      btnPerc = (Button) findViewById(R.id.btnPerc);
      btnSqrRoot = (Button) findViewById(R.id.btnSqrRoot);
      btnPM = (Button) findViewById(R.id.btnPM);

      btnZero.setOnClickListener(new Button.OnClickListener() {
         public void onClick(View v) {
            handleNumber(0);
         }
      });
      btnOne.setOnClickListener(new Button.OnClickListener() {
         public void onClick(View v) {
            handleNumber(1);
         }
      });
      btnTwo.setOnClickListener(new Button.OnClickListener() {
         public void onClick(View v) {
            handleNumber(2);
         }
      });
      btnThree.setOnClickListener(new Button.OnClickListener() {
         public void onClick(View v) {
            handleNumber(3);
         }
      });
      btnFour.setOnClickListener(new Button.OnClickListener() {
         public void onClick(View v) {
            handleNumber(4);
         }
      });
      btnFive.setOnClickListener(new Button.OnClickListener() {
         public void onClick(View v) {
            handleNumber(5);
         }
      });
      btnSix.setOnClickListener(new Button.OnClickListener() {
         public void onClick(View v) {
            handleNumber(6);
         }
      });
      btnSeven.setOnClickListener(new Button.OnClickListener() {
         public void onClick(View v) {
            handleNumber(7);
         }
      });
      btnEight.setOnClickListener(new Button.OnClickListener() {
         public void onClick(View v) {
            handleNumber(8);
         }
      });
      btnNine.setOnClickListener(new Button.OnClickListener() {
         public void onClick(View v) {
            handleNumber(9);
         }
      });
      btnPlus.setOnClickListener(new Button.OnClickListener() {
         public void onClick(View v) {
            handleEquals(1);
         }
      });
      btnMinus.setOnClickListener(new Button.OnClickListener() {
         public void onClick(View v) {
            handleEquals(2);
         }
      });
      btnMultiply.setOnClickListener(new Button.OnClickListener() {
         public void onClick(View v) {
            handleEquals(3);
         }
      });
      btnDivide.setOnClickListener(new Button.OnClickListener() {
         public void onClick(View v) {
            handleEquals(4);
         }
      });
      btnEquals.setOnClickListener(new Button.OnClickListener() {
         public void onClick(View v) {
            handleEquals(0);
         }
      });
      btnC.setOnClickListener(new Button.OnClickListener() {
         public void onClick(View v) {
            reset();
         }
      });
      btnDecimal.setOnClickListener(new Button.OnClickListener() {
         public void onClick(View v) {
            handleDecimal();
         }
      });
      btnPM.setOnClickListener(new Button.OnClickListener() {
         public void onClick(View v) {
            handlePlusMinus();
         }
      });
      btnMC.setOnClickListener(new Button.OnClickListener() {
         public void onClick(View v) {
            memNum = 0;
         }
      });
      btnMR.setOnClickListener(new Button.OnClickListener() {
         public void onClick(View v) {
            setValue(Double.toString(memNum));
         }
      });
      btnMM.setOnClickListener(new Button.OnClickListener() {
         public void onClick(View v) {
            memNum = memNum
                  - Double.parseDouble(txtCalc.getText().toString());
            operator = 0;
         }
      });
      btnMP.setOnClickListener(new Button.OnClickListener() {
         public void onClick(View v) {
            memNum = memNum
                  + Double.parseDouble(txtCalc.getText().toString());
            operator = 0;
         }
      });
      btnBS.setOnClickListener(new Button.OnClickListener() {
         public void onClick(View v) {
            handleBackspace();
         }
      });
      btnSqrRoot.setOnClickListener(new Button.OnClickListener() {
         public void onClick(View v) {
            setValue(Double.toString(Math.sqrt(Double.parseDouble(txtCalc
                  .getText().toString()))));
         }
      });
      btnPerc.setOnClickListener(new Button.OnClickListener() {
         public void onClick(View v) {
            setValue(Double.toString(num
                  * (0.01 * Double.parseDouble(txtCalc.getText()
                        .toString()))));
         }
      });

      txtCalc.setOnKeyListener(new OnKeyListener() {
         public boolean onKey(View v, int i, android.view.KeyEvent e) {
            if (e.getAction() == KeyEvent.ACTION_DOWN) {
               int keyCode = e.getKeyCode();

               // txtCalc.append("["+Integer.toString(keyCode)+"]");

               switch (keyCode) {
               case KeyEvent.KEYCODE_0:
                  handleNumber(0);
                  break;

               case KeyEvent.KEYCODE_1:
                  handleNumber(1);
                  break;

               case KeyEvent.KEYCODE_2:
                  handleNumber(2);
                  break;

               case KeyEvent.KEYCODE_3:
                  handleNumber(3);
                  break;

               case KeyEvent.KEYCODE_4:
                  handleNumber(4);
                  break;

               case KeyEvent.KEYCODE_5:
                  handleNumber(5);
                  break;

               case KeyEvent.KEYCODE_6:
                  handleNumber(6);
                  break;

               case KeyEvent.KEYCODE_7:
                  handleNumber(7);
                  break;

               case KeyEvent.KEYCODE_8:
                  handleNumber(8);
                  break;

               case KeyEvent.KEYCODE_9:
                  handleNumber(9);
                  break;

               case 43:
                  handleEquals(1);
                  break;

               case KeyEvent.KEYCODE_EQUALS:
                  handleEquals(0);
                  break;

               case KeyEvent.KEYCODE_MINUS:
                  handleEquals(2);
                  break;

               case KeyEvent.KEYCODE_PERIOD:
                  handleDecimal();
                  break;

               case KeyEvent.KEYCODE_C:
                  reset();
                  break;

               case KeyEvent.KEYCODE_SLASH:
                  handleEquals(4);
                  break;

               case KeyEvent.KEYCODE_DPAD_DOWN:
                  return false;
               }
            }

            return true;
         }
      });
   }

   @Override
   public boolean onCreateOptionsMenu(Menu menu) {
      menu.add(0,1, MENUITEM_CLOSE, "Close");

      return super.onCreateOptionsMenu(menu);
   }

   @Override
   public boolean onOptionsItemSelected(MenuItem item) {
      switch (item.getItemId()) {
      case MENUITEM_CLOSE:
         finish();
         break;
      }

      return super.onOptionsItemSelected(item);
   }

   private void handleEquals(int newOperator) {
      if (hasChanged) {
         switch (operator) {
         case 1:
            num = num + Double.parseDouble(txtCalc.getText().toString());
            break;
         case 2:
            num = num - Double.parseDouble(txtCalc.getText().toString());
            break;
         case 3:
            num = num * Double.parseDouble(txtCalc.getText().toString());
            break;
         case 4:
            num = num / Double.parseDouble(txtCalc.getText().toString());
            break;
         }

         String txt = Double.toString(num);
         txtCalc.setText(txt);
         txtCalc.setSelection(txt.length());

         readyToClear = true;
         hasChanged = false;
      }

      operator = newOperator;
   }

   private void handleNumber(int num) {
      if (operator == 0)
         reset();

      String txt = txtCalc.getText().toString();
      if (readyToClear) {
         txt = "";
         readyToClear = false;
      } else if (txt.equals("0"))
         txt = "";

      txt = txt + Integer.toString(num);

      txtCalc.setText(txt);
      txtCalc.setSelection(txt.length());

      hasChanged = true;
   }

   private void setValue(String value) {
      if (operator == 0)
         reset();

      if (readyToClear) {
         readyToClear = false;
      }

      txtCalc.setText(value);
      txtCalc.setSelection(value.length());

      hasChanged = true;
   }

   private void handleDecimal() {
      if (operator == 0)
         reset();

      if (readyToClear) {
         txtCalc.setText("0.");
         txtCalc.setSelection(2);
         readyToClear = false;
         hasChanged = true;
      } else {
         String txt = txtCalc.getText().toString();

         if (!txt.contains(".")) {
            txtCalc.append(".");
            hasChanged = true;
         }
      }
   }

   private void handleBackspace() {
      if (!readyToClear) {
         String txt = txtCalc.getText().toString();
         if (txt.length() > 0) {
            txt = txt.substring(0, txt.length() - 1);
            if (txt.equals(""))
               txt = "0";

            txtCalc.setText(txt);
            txtCalc.setSelection(txt.length());
         }
      }
   }

   private void handlePlusMinus() {
      if (!readyToClear) {
         String txt = txtCalc.getText().toString();
         if (!txt.equals("0")) {
            if (txt.charAt(0) == '-')
               txt = txt.substring(1, txt.length());
            else
               txt = "-" + txt;

            txtCalc.setText(txt);
            txtCalc.setSelection(txt.length());
         }
      }
   }

   private void reset() {
      num = 0;
      txtCalc.setText("0");
      txtCalc.setSelection(1);
      operator = 1;
   }
}


I am getting an error -
The Appplication <name> has stopped unexpectedly.

It has a "force Close" button.
Please tell me what is wrong with this code.
Ananya Raval
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Posts: 2
Joined: Sat Nov 05, 2011 10:00 am

Re: The application <task name> has stopped unexpectedly

Postby abe_android » Sat Nov 19, 2011 5:11 pm

I have the same problem..

I already looking for the logcat and I know the some problems.

the error is : "request time failed:java.net.Socketexception: Address family not supported by protocol".
but, I don't know how to fix the problem.

anybody can help me?
abe_android
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Posts: 1
Joined: Sat Nov 19, 2011 5:04 pm

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