Re: Android crash when app is high score menu opened - Android Discussion Boards

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He
I am new to android programming. I tried to execute a app from one of the tutorials and it is showing runtime error. If it runs highscores menu. Application closed. Below are the error messages from logcat and the activity file. Appreciate your help. Thanks in advance.

Error

12-15 03:49:51.124: I/HighScores(1115): getScores() called
12-15 03:49:51.154: I/HighScores(1115): getScores() no scores found
12-15 03:49:51.354: I/Reversi, RevHSCustAd getView called(1115): position = 0
12-15 03:49:51.444: I/Reversi, RevHSCustAd getView called(1115): position = 0
12-15 03:49:51.454: D/AndroidRuntime(1115): Shutting down VM
12-15 03:49:51.454: W/dalvikvm(1115): threadid=1: thread exiting with uncaught exception (group=0xb2a40ba8)
12-15 03:49:51.594: D/dalvikvm(1115): GC_FOR_ALLOC freed 447K, 11% free 4353K/4880K, paused 89ms, total 100ms
12-15 03:49:51.714: E/AndroidRuntime(1115): FATAL EXCEPTION: main
12-15 03:49:51.714: E/AndroidRuntime(1115): Process: uk.co.flumeland.reversi, PID: 1115
12-15 03:49:51.714: E/AndroidRuntime(1115): java.lang.NullPointerException
12-15 03:49:51.714: E/AndroidRuntime(1115): at uk.co.flumeland.reversi.RevHighScoreAdapter.getView(RevHighScoreAdapter.java:68)
12-15 03:49:51.714: E/AndroidRuntime(1115): at android.widget.AbsListView.obtainView(AbsListView.java:2263)
12-15 03:49:51.714: E/AndroidRuntime(1115): at android.widget.ListView.measureHeightOfChildren(ListView.java:1263)
12-15 03:49:51.714: E/AndroidRuntime(1115): at android.widget.ListView.onMeasure(ListView.java:1175)
12-15 03:49:51.714: E/AndroidRuntime(1115): at android.view.View.measure(View.java:16497)
12-15 03:49:51.714: E/AndroidRuntime(1115): at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5125)
12-15 03:49:51.714: E/AndroidRuntime(1115): at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1404)
12-15 03:49:51.714: E/AndroidRuntime(1115): at android.widget.LinearLayout.measureVertical(LinearLayout.java:695)
12-15 03:49:51.714: E/AndroidRuntime(1115): at android.widget.LinearLayout.onMeasure(LinearLayout.java:588)
12-15 03:49:51.714: E/AndroidRuntime(1115): at android.view.View.measure(View.java:16497)
12-15 03:49:51.714: E/AndroidRuntime(1115): at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5125)
12-15 03:49:51.714: E/AndroidRuntime(1115): at android.widget.FrameLayout.onMeasure(FrameLayout.java:310)
12-15 03:49:51.714: E/AndroidRuntime(1115): at android.view.View.measure(View.java:16497)
12-15 03:49:51.714: E/AndroidRuntime(1115): at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5125)
12-15 03:49:51.714: E/AndroidRuntime(1115): at com.android.internal.widget.ActionBarOverlayLayout.onMeasure(ActionBarOverlayLayout.java:327)
12-15 03:49:51.714: E/AndroidRuntime(1115): at android.view.View.measure(View.java:16497)
12-15 03:49:51.714: E/AndroidRuntime(1115): at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5125)
12-15 03:49:51.714: E/AndroidRuntime(1115): at android.widget.FrameLayout.onMeasure(FrameLayout.java:310)
12-15 03:49:51.714: E/AndroidRuntime(1115): at com.android.internal.policy.impl.PhoneWindow$DecorView.onMeasure(PhoneWindow.java:2291)
12-15 03:49:51.714: E/AndroidRuntime(1115): at android.view.View.measure(View.java:16497)
12-15 03:49:51.714: E/AndroidRuntime(1115): at android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:1916)
12-15 03:49:51.714: E/AndroidRuntime(1115): at android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:1113)
12-15 03:49:51.714: E/AndroidRuntime(1115): at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1295)
12-15 03:49:51.714: E/AndroidRuntime(1115): at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1000)
12-15 03:49:51.714: E/AndroidRuntime(1115): at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5670)
12-15 03:49:51.714: E/AndroidRuntime(1115): at android.view.Choreographer$CallbackRecord.run(Choreographer.java:761)
12-15 03:49:51.714: E/AndroidRuntime(1115): at android.view.Choreographer.doCallbacks(Choreographer.java:574)
12-15 03:49:51.714: E/AndroidRuntime(1115): at android.view.Choreographer.doFrame(Choreographer.java:544)
12-15 03:49:51.714: E/AndroidRuntime(1115): at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:747)
12-15 03:49:51.714: E/AndroidRuntime(1115): at android.os.Handler.handleCallback(Handler.java:733)
12-15 03:49:51.714: E/AndroidRuntime(1115): at android.os.Handler.dispatchMessage(Handler.java:95)
12-15 03:49:51.714: E/AndroidRuntime(1115): at android.os.Looper.loop(Looper.java:136)
12-15 03:49:51.714: E/AndroidRuntime(1115): at android.app.ActivityThread.main(ActivityThread.java:5017)
12-15 03:49:51.714: E/AndroidRuntime(1115): at java.lang.reflect.Method.invokeNative(Native Method)
12-15 03:49:51.714: E/AndroidRuntime(1115): at java.lang.reflect.Method.invoke(Method.java:515)
12-15 03:49:51.714: E/AndroidRuntime(1115): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)
12-15 03:49:51.714: E/AndroidRuntime(1115): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)
12-15 03:49:51.714: E/AndroidRuntime(1115): at dalvik.system.NativeStart.main(Native Method)
12-15 03:49:51.864: W/CursorWrapperInner(1115): Cursor finalized without prior close()
12-15 03:49:54.184: I/Process(1115): Sending signal. PID: 1115 SIG: 9

RevHighScoreAdapter.java

Java

package uk.co.flumeland.reversi;

import java.util.ArrayList;
import java.lang.String;

import android.app.Activity;
import android.content.Context;
import android.net.Uri;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;

public class RevHighScoreAdapter extends ArrayAdapter {

    private Score[] scores;
    private Context context;

// Constructor
public RevHighScoreAdapter(Context context, Score[] score){
        super(context, 0);
        scores = score;
        this.context = context;
        }


    @Override
    public int getCount() {
        // length of list
        return scores.length;
    }

    @Override
    public Object getItem(int position) {
        // length of list
        return position;
    }

    @Override
    public long getItemId(int position) {
        return position;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        View row = convertView;
        Log.i("Reversi, RevHSCustAd getView called", "position = " + position );

        if (row == null) {
            LayoutInflater inflater = ((Activity) context).getLayoutInflater();
            row = inflater.inflate(R.layout.high_scores_listview_row, parent, false);
        }
        TextView nameTV = (TextView) row.findViewById(R.id.hs_player_name_lv);
        ImageView photoIV = (ImageView) row.findViewById(R.id.hs_player_image_lv);
        TextView scoreTV = (TextView) row.findViewById(R.id.hs_score_lv);
        Log.i("Reversi, RevHSCustAd getView called", "position = " + position );

        //if (scores[position].getPhotolink() != null) {
            //photoIV.setImageURI(Uri.parse(scores[position].getPhotolink()));
        //} else {
            //photoIV.setImageResource(R.drawable.social_add_person);
        //}
            nameTV.setText(scores[position].getName());
            Log.i("Reversi, RevHSCustAd getView called", "position = " + position );
            scoreTV.setText(String.valueOf(scores[position].getScore()));

        return row;
    }
}

HighScores.java

Java

package uk.co.flumeland.reversi;

import java.util.ArrayList;

import android.app.Activity;
import android.content.ContentResolver;
import android.content.Intent;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.graphics.Typeface;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.TextView;

public class HighScores extends Activity {

    private Score[] score = new Score[10];
    private ListView scoreList;
    private ContentResolver cr;
    private RevHighScoreAdapter rHSad;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_high_scores_screen);
        TextView title = (TextView) findViewById(R.id.title_textview);
        scoreList = (ListView) findViewById(R.id.high_score_list);
        Typeface tf = Typeface.createFromAsset(getAssets(),
                "fonts/tattoowoo_naughty-nights/Naughty Nights.ttf");
        title.setTypeface(tf);
        getScores();
        loadScores();
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.menu, menu);
        return true;
    }

    /**
     * Loads scores into the score ArrayList
     */
    public void getScores() {
        Log.i("HighScores", "getScores() called");
        cr = getContentResolver();
        Cursor c = cr.query(HighScoresData.CONTENT_URI, null, null, null,
                HighScoresData.KEY_SCORE + " DESC");
        // looping through all rows and adding to list
        int numScores = c.getCount();
        int i = 0;
        if (c != null && c.getCount() > 0) {
            c.moveToFirst();
            do {
                Log.i("HighScores", "getScores() = "
                                + c.getString(HighScoresData.NAME_COLUMN) + " " 
                                + c.getString(HighScoresData.PHOTO_COLUMN) + " "
                                + c.getInt(HighScoresData.SCORE_COLUMN) + " " + i);
                score[i] = new Score(c.getString(HighScoresData.NAME_COLUMN),
                        c.getString(HighScoresData.PHOTO_COLUMN),
                        c.getInt(HighScoresData.SCORE_COLUMN));
                //score[i] = sc;
                i++;
            } while (c.moveToNext() && i < 10);
        } else {
            Log.i("HighScores", "getScores() no scores found");
        }
    }

    private void loadScores() {
    rHSad = new RevHighScoreAdapter(this, score);
    // Set the Adapter to GridView
    scoreList.setAdapter(rHSad);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
        case R.id.action_settings:
            startActivity(new Intent(this, Settings.class));
            return true;
        case R.id.action_how_to:
            startActivity(new Intent(this, HowTo.class));
            return true;
        case R.id.action_high_scores:
            startActivity(new Intent(this, HighScores.class));
            return true;
        }
        return false;
    }

    @Override
    protected void onPause() {
        // TODO Auto-generated method stub
        super.onPause();
        finish();
    }

}

The error log is telling you what the problem is, and where it occurs:

12-15 03:49:51.714: E/AndroidRuntime(1115): java.lang.NullPointerException
12-15 03:49:51.714: E/AndroidRuntime(1115): at uk.co.flumeland.reversi.RevHighScoreAdapter.getView(RevHighScoreAdapter.java:68)

Step through with your debugger and you should see what is null and why.

RevHighScoreAdapter.java

Java

package uk.co.flumeland.reversi;

import java.util.ArrayList;
import java.lang.String;

import android.app.Activity;
import android.content.Context;
import android.net.Uri;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;

public class RevHighScoreAdapter extends ArrayAdapter {

    private Score[] scores;
    private Context context;

// Constructor
public RevHighScoreAdapter(Context context, Score[] score){
        super(context, 0);
        scores = score;
        this.context = context;
        }


    @Override
    public int getCount() {
        // length of list
        return scores.length;
    }

    @Override
    public Object getItem(int position) {
        // length of list
        return position;
    }

    @Override
    public long getItemId(int position) {
        return position;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        View row = convertView;
        Log.i("Reversi, RevHSCustAd getView called", "position = " + position );

        if (row == null) {
            LayoutInflater inflater = ((Activity) context).getLayoutInflater();
            row = inflater.inflate(R.layout.high_scores_listview_row, parent, false);
        }
        TextView nameTV = (TextView) row.findViewById(R.id.hs_player_name_lv);
        ImageView photoIV = (ImageView) row.findViewById(R.id.hs_player_image_lv);
        TextView scoreTV = (TextView) row.findViewById(R.id.hs_score_lv);
        Log.i("Reversi, RevHSCustAd getView called", "position = " + position );

        //if (scores[position].getPhotolink() != null) {
            //photoIV.setImageURI(Uri.parse(scores[position].getPhotolink()));
        //} else {
            //photoIV.setImageResource(R.drawable.social_add_person);
        //}
            nameTV.setText(scores[position].getName());
            Log.i("Reversi, RevHSCustAd getView called", "position = " + position );
            scoreTV.setText(String.valueOf(scores[position].getScore()));

        return row;
    }
}

Error code? How do I fix it ?

C#

nameTV.setText(scores[position].getName());
            Log.i("Reversi, RevHSCustAd getView called", "position = " + position );
            scoreTV.setText(String.valueOf(scores[position].getScore()));

Member 11360501 wrote:
How do I fix it ?

Fix what? You still have not explained what the error is.

it is showing runtime error. If it runs highscores menu. Application closed.

Error Log

Java

12-15 03:49:51.124: I/HighScores(1115): getScores() called
12-15 03:49:51.154: I/HighScores(1115): getScores() no scores found
12-15 03:49:51.354: I/Reversi, RevHSCustAd getView called(1115): position = 0
12-15 03:49:51.444: I/Reversi, RevHSCustAd getView called(1115): position = 0
12-15 03:49:51.454: D/AndroidRuntime(1115): Shutting down VM
12-15 03:49:51.454: W/dalvikvm(1115): threadid=1: thread exiting with uncaught exception (group=0xb2a40ba8)
12-15 03:49:51.594: D/dalvikvm(1115): GC_FOR_ALLOC freed 447K, 11% free 4353K/4880K, paused 89ms, total 100ms
12-15 03:49:51.714: E/AndroidRuntime(1115): FATAL EXCEPTION: main
12-15 03:49:51.714: E/AndroidRuntime(1115): Process: uk.co.flumeland.reversi, PID: 1115
12-15 03:49:51.714: E/AndroidRuntime(1115): java.lang.NullPointerException
12-15 03:49:51.714: E/AndroidRuntime(1115):     at uk.co.flumeland.reversi.RevHighScoreAdapter.getView(RevHighScoreAdapter.java:68)
12-15 03:49:51.714: E/AndroidRuntime(1115):     at android.widget.AbsListView.obtainView(AbsListView.java:2263)
12-15 03:49:51.714: E/AndroidRuntime(1115):     at android.widget.ListView.measureHeightOfChildren(ListView.java:1263)
12-15 03:49:51.714: E/AndroidRuntime(1115):     at android.widget.ListView.onMeasure(ListView.java:1175)
12-15 03:49:51.714: E/AndroidRuntime(1115):     at android.view.View.measure(View.java:16497)
12-15 03:49:51.714: E/AndroidRuntime(1115):     at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5125)
12-15 03:49:51.714: E/AndroidRuntime(1115):     at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1404)
12-15 03:49:51.714: E/AndroidRuntime(1115):     at android.widget.LinearLayout.measureVertical(LinearLayout.java:695)
12-15 03:49:51.714: E/AndroidRuntime(1115):     at android.widget.LinearLayout.onMeasure(LinearLayout.java:588)
12-15 03:49:51.714: E/AndroidRuntime(1115):     at android.view.View.measure(View.java:16497)
12-15 03:49:51.714: E/AndroidRuntime(1115):     at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5125)
12-15 03:49:51.714: E/AndroidRuntime(1115):     at android.widget.FrameLayout.onMeasure(FrameLayout.java:310)
12-15 03:49:51.714: E/AndroidRuntime(1115):     at android.view.View.measure(View.java:16497)
12-15 03:49:51.714: E/AndroidRuntime(1115):     at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5125)
12-15 03:49:51.714: E/AndroidRuntime(1115):     at com.android.internal.widget.ActionBarOverlayLayout.onMeasure(ActionBarOverlayLayout.java:327)
12-15 03:49:51.714: E/AndroidRuntime(1115):     at android.view.View.measure(View.java:16497)
12-15 03:49:51.714: E/AndroidRuntime(1115):     at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5125)
12-15 03:49:51.714: E/AndroidRuntime(1115):     at android.widget.FrameLayout.onMeasure(FrameLayout.java:310)
12-15 03:49:51.714: E/AndroidRuntime(1115):     at com.android.internal.policy.impl.PhoneWindow$DecorView.onMeasure(PhoneWindow.java:2291)
12-15 03:49:51.714: E/AndroidRuntime(1115):     at android.view.View.measure(View.java:16497)
12-15 03:49:51.714: E/AndroidRuntime(1115):     at android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:1916)
12-15 03:49:51.714: E/AndroidRuntime(1115):     at android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:1113)
12-15 03:49:51.714: E/AndroidRuntime(1115):     at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1295)
12-15 03:49:51.714: E/AndroidRuntime(1115):     at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1000)
12-15 03:49:51.714: E/AndroidRuntime(1115):     at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5670)
12-15 03:49:51.714: E/AndroidRuntime(1115):     at android.view.Choreographer$CallbackRecord.run(Choreographer.java:761)
12-15 03:49:51.714: E/AndroidRuntime(1115):     at android.view.Choreographer.doCallbacks(Choreographer.java:574)
12-15 03:49:51.714: E/AndroidRuntime(1115):     at android.view.Choreographer.doFrame(Choreographer.java:544)
12-15 03:49:51.714: E/AndroidRuntime(1115):     at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:747)
12-15 03:49:51.714: E/AndroidRuntime(1115):     at android.os.Handler.handleCallback(Handler.java:733)
12-15 03:49:51.714: E/AndroidRuntime(1115):     at android.os.Handler.dispatchMessage(Handler.java:95)
12-15 03:49:51.714: E/AndroidRuntime(1115):     at android.os.Looper.loop(Looper.java:136)
12-15 03:49:51.714: E/AndroidRuntime(1115):     at android.app.ActivityThread.main(ActivityThread.java:5017)
12-15 03:49:51.714: E/AndroidRuntime(1115):     at java.lang.reflect.Method.invokeNative(Native Method)
12-15 03:49:51.714: E/AndroidRuntime(1115):     at java.lang.reflect.Method.invoke(Method.java:515)
12-15 03:49:51.714: E/AndroidRuntime(1115):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)
12-15 03:49:51.714: E/AndroidRuntime(1115):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)
12-15 03:49:51.714: E/AndroidRuntime(1115):     at dalvik.system.NativeStart.main(Native Method)
12-15 03:49:51.864: W/CursorWrapperInner(1115): Cursor finalized without prior close()
12-15 03:49:54.184: I/Process(1115): Sending signal. PID: 1115 SIG: 9

It is no use repeatedly posting the same data. I already explained that you need to use your debugger to trap where the error occurs and establish which variable is the null pointer, and what it is supposed to refer to.

thanks I will use debugger I sent information you

This is your error

12-15 03:49:51.124: I/HighScores(1115): getScores() called
12-15 03:49:51.154: I/HighScores(1115): getScores() no scores found

So because is not finding any scores, it is returning a null value that is not handled

12-15 03:49:51.714: E/AndroidRuntime(1115):     at uk.co.flumeland.reversi.RevHighScoreAdapter.getView(RevHighScoreAdapter.java:68)

so just adding some error handling will fix your problem, easy

I want to die like my grandfather- asleep, not like the passengers in his car, screaming!

Look at line 68 of RevHighScoreAdapter.java.

"One man's wage rise is another man's price increase." - Harold Wilson

"Fireproof doesn't mean the fire will never come. It means when the fire comes that you will be able to withstand it." - Michael Simmons

"You can easily judge the character of a man by how he treats those who can do nothing for him." - James D. Miles

How to make android device to detect the HID (keyboard,mouse)Devices?
I read Lot of artical saying that "HID devices doesnot kick off USB_ATTACHED intent".
I need to detect the mouse.
Could you tell me please how could I detect the HID devices?

Hi and Happy New Year! Smile | :)

I'm using ksoap2 to call webservice's method and get exception when bilding envelope:

org.xmlpull.v1.XmlPullParserException: expected: START_TAG {http://schemas.xmlsoap.org/soap/envelope/}Envelope (position:START_TAG <definitions name="WebService" targetnamespace="http://93.174.51.130:7000/WebService">@10:58 in java.io.InputStreamReader@b3e83c10)

Name space in WSDL is "http://93.174.51.130:7000/WebService"

and namespace in code too, what problem, help me please!

I used search but can't find exactly answer

WSDL and code below, Thanks

WSDL: http://93.174.51.130:7000/db1c_rt-lt/ws/WebService.1cws?wsdl

private static final String SOAP_ACTION="http://93.174.51.130:7000/WebService#WebService:Authentication";
    private static final String SOAP_METHOD_NAME="Authentication";
    private static final String URL = "http://93.174.51.130:7000/db1c_rt-lt/ws/WebService.1cws?wsdl";
    private static final String NAMESPACE="http://93.174.51.130:7000/WebService";

    public void ExecuteRequest(){
        SoapObject Request = new SoapObject(NAMESPACE, SOAP_METHOD_NAME);

        // here you form body of your SOAP-request
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        Request.addProperty("Password", "ddI334_H23");
        Request.addProperty("appGUID", UUID.randomUUID().toString());

        SoapSerializationEnvelope soapEnvelope = new SoapSerializationEnvelope(SoapEnvelope.VER12);
        soapEnvelope.dotNet = false;

        soapEnvelope.setAddAdornments(false);
        soapEnvelope.encodingStyle = SoapSerializationEnvelope.ENC;
        soapEnvelope.env=SoapSerializationEnvelope.ENV;
        soapEnvelope.implicitTypes = true;

        // here you form additional header's data for your SOAP request
        /*soapEnvelope.headerOut = new Element[1];
        soapEnvelope.headerOut[0] = Form_Header(Security_Header);

        soapEnvelope.setOutputSoapObject(Request);*/

        HttpTransportSE aht = new HttpTransportSE(URL);
        //HttpTransportSE aht = new HttpTransportBasicAuthSE(URL, "WebUser", "1");
        aht.debug = true;

        try
        {
            aht.call(SOAP_ACTION, soapEnvelope);
            SoapPrimitive resultString = ( SoapPrimitive)soapEnvelope.getResponse();
            //TODO: appropriate parsing and processing routine for resultString
            Log.i("Check_Soap_Service", "resultString -  " + resultString);
        }
        catch (Exception e)
        {
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        }
        finally
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I have following code for detection of attached USB.
{
UsbManager manager;
@Override
public void onReceive(Context context, Intent intent) {
Toast.makeText(context, "Broadcast Receiver", Toast.LENGTH_SHORT)
.show();
onNewIntent(intent,context);
}

private void onNewIntent(Intent intent, Context context) {
String intentAction = intent.getAction();
Toast.makeText(context,"Action :" + intentAction, Toast.LENGTH_SHORT).show();
if(intentAction.equalsIgnoreCase("android.hardware.usb.action.USB_DEVICE_ATTACHED"))
{
Toast.makeText(context,"Dveice Attached", Toast.LENGTH_SHORT).show();
handleDevice(intent,context);
}
else if(intentAction.equalsIgnoreCase("android.hardware.usb.action.USB_DEVICE_ATTACHED"))
{
Toast.makeText(context,"Dveice Detached", Toast.LENGTH_SHORT).show();
}
else
{

}

}

private void handleDevice(Intent intent,Context context) {

manager = (UsbManager) context.getSystemService(UsbManager.EXTRA_DEVICE);
HashMap<string,usbdevice> list = manager.getDeviceList();
Iterator<usbdevice> it = list.values().iterator();
while(it.hasNext())
{
UsbDevice device = it.next();
openDevice(device);
}

}

private void openDevice(UsbDevice device) {
UsbDeviceConnection connection = manager.openDevice(device);
int fd = connection.getFileDescriptor();
Log.d("Fd :"+fd,"Text");
}
not firing the USB_DEVICE_ATTACHED event.

See http://stackoverflow.com/questions/6163856/usb-device-attached-intent-not-firing[^].

You need to handle device attached event itself in launcher activity.On the other hand If you want to handle detached event you need to have a broadcast receiver.

Really Interesting..!!!

Can any body help me to make android application stape by stape.

I don't Know,

Learn from these winning articles on Beginner's Guide To Developing Android[^]

I've written a few articles on CodeProject that may help, including an introductory article.

Introduction to Xamarin.Android[^]

"There are two ways of constructing a software design: One way is to make it so simple that there are obviously no deficiencies, and the other way is to make it so complicated that there are no obvious deficiencies. The first method is far more difficult." - C.A.R. Hoare

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i have a code which get contacts from vcf file and ask user where to save these contact like phone,SIM,google account but i want to directly insert contacts into phonebook with any dialog for asking to save.My code is :-

C#

String tmptype = mime.getMimeTypeFromExtension("vcf");
          final File file = new File(Environment.getExternalStorageDirectory().toString()
                            + "/contacts.vcf");

Intent i = new Intent();
i.setAction(android.content.Intent.ACTION_VIEW);

C#

i.setDataAndType(Uri.fromFile(file), "text/x-vcard");
         startActivity(i);

I am searching on net net but did not get any answer.Please help me to find out solution

modified 23-Dec-14 0:18am.