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POpassing data between activity is causing force close
 

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  1. POpassing data between activity is causing force close
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    <p>i m working on an android project it is working fine for few button like add contact or when i want to start a new activity but when i try to send sms then it force closes itself. main code are as follows</p> <pre><code>package com.example.sms; import java.util.Locale; import java.util.StringTokenizer; import android.net.Uri; import android.os.Bundle; import android.provider.ContactsContract; import android.provider.ContactsContract.CommonDataKinds.Phone; import android.app.Activity; import android.app.PendingIntent; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.database.Cursor; import android.speech.tts.TextToSpeech; import android.speech.tts.TextToSpeech.OnInitListener; import android.speech.tts.TextToSpeech.OnUtteranceCompletedListener; import android.telephony.SmsManager; import android.util.Log; import android.view.Menu; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.EditText; import android.widget.TextView; import android.widget.Toast; public class MainActivity extends Activity implements TextToSpeech.OnInitListener, OnUtteranceCompletedListener, OnClickListener{ Button btnSendSMS,record_sms,finish; EditText txtPhoneNo; EditText txtMessage; Button addcontact; EditText phonePhoneno; TextView enter_contact_no; private TextToSpeech tts; private static final int CONTACT_PICKER_RESULT = 1001; private static final String DEBUG_TAG = ""; String phoneNo=""; String phonenofromcontact=""; String finallistofnumberstosendmsg =""; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); enter_contact_no=(TextView) findViewById(R.id.txtPhoneNo1); btnSendSMS = (Button) findViewById(R.id.btnSendSMS); // txtPhoneNo = (EditText) findViewById(R.id.txtPhoneNo); txtMessage = (EditText) findViewById(R.id.txtMessage); record_sms=(Button) findViewById(R.id.button1); finish=(Button) findViewById(R.id.complete); tts = new TextToSpeech(this, this); record_sms.setOnClickListener(this); finish.setOnClickListener(this); // String str; // Log.e("test4", "ram......."); //Log.e("test3", "mmmmmmmmmmm..."); //tts.speak("enter contact number", TextToSpeech.QUEUE_FLUSH, null); // str=getIntent().getExtras().getString("username"); //Log.e("message",str); /* record_sms.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { // TODO Auto-generated method stub Intent intent=new Intent(MainActivity.this, MainActivity1.class); startActivity(intent); } });*/ //Log.e("test2", "lllllllll..."); addcontact =(Button) findViewById(R.id.addphonenofromcontact); /* Intent intent=new Intent(this,AndroidTextToSpeechActivity.class ); startActivity(intent);*/ speakOut("enter contact number"); addcontact.setOnClickListener(new View.OnClickListener() { public void onClick(View V) { Intent ContactPickerIntent = new Intent(Intent.ACTION_PICK,ContactsContract.Contacts.CONTENT_URI); ContactPickerIntent.setType(ContactsContract.CommonDataKinds.Phone.CONTENT_TYPE); startActivityForResult(ContactPickerIntent, CONTACT_PICKER_RESULT); } } ); btnSendSMS.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { // txtMessage.setText(getIntent().getExtras().getString("username")); String message = txtMessage.getText().toString(); phoneNo = txtPhoneNo.getText().toString(); String phoneNo1= phonePhoneno.getText().toString(); // Sending message to both the written and added contact... finallistofnumberstosendmsg +=phoneNo1 + phoneNo; String phoneFinal= phoneNo + finallistofnumberstosendmsg; //StringTokenizer st=new StringTokenizer(finallistofnumberstosendmsg,","); StringTokenizer st=new StringTokenizer(phoneFinal,","); while (st.hasMoreElements()) { String tempMobileNumber = (String)st.nextElement(); if(tempMobileNumber.length()&gt;0 &amp;&amp; message.trim().length()&gt;0) { sendSMS(tempMobileNumber, message); } else { Toast.makeText(getBaseContext(), "Please enter both phone number and message.", Toast.LENGTH_SHORT).show(); } } } }); } protected void onActivityResult(int requestCode, int resultCode, Intent data) { if (resultCode == RESULT_OK) { switch (requestCode) { case CONTACT_PICKER_RESULT: Cursor cursor=null; try { Uri result = data.getData(); Log.v(DEBUG_TAG, "Got a contact result: " + result.toString()); // get the contact id from the Uri String id = result.getLastPathSegment(); // query for everything contact number cursor = getContentResolver().query( Phone.CONTENT_URI, null, Phone._ID + "=?", new String[]{id}, null); cursor.moveToFirst(); int phoneIdx = cursor.getColumnIndex(Phone.NUMBER); if (cursor.moveToFirst()) { phonenofromcontact = cursor.getString(phoneIdx); finallistofnumberstosendmsg +=","+phonenofromcontact; Log.v(DEBUG_TAG, "Got phone no : " + phonenofromcontact); } else { Log.w(DEBUG_TAG, "No results"); } } catch(Exception e) { Log.e(DEBUG_TAG, "Failed to get contact number", e); } finally { if (cursor != null) { cursor.close(); } } phonePhoneno= (EditText)findViewById(R.id.phonenofromcontact); phonePhoneno.setText(finallistofnumberstosendmsg); //phonePhoneno.setText(phonenofromcontact); if(phonenofromcontact.length()==0) { Toast.makeText(this, "No contact number found for this contact", Toast.LENGTH_LONG).show(); } break; } } else { Log.w(DEBUG_TAG, "Warning: activity result not ok"); } } private void sendSMS(String phoneNumber, String message) { String SENT = "SMS_SENT"; String DELIVERED = "SMS_DELIVERED"; PendingIntent sentPI = PendingIntent.getBroadcast(this, 0, new Intent(SENT), 0); PendingIntent deliveredPI = PendingIntent.getBroadcast(this, 0, new Intent(DELIVERED), 0); //---when the SMS has been sent--- registerReceiver(new BroadcastReceiver(){ public void onReceive(Context arg0, Intent arg1) { switch (getResultCode()) { case Activity.RESULT_OK: Toast.makeText(getBaseContext(), "SMS sent", Toast.LENGTH_SHORT).show(); break; case SmsManager.RESULT_ERROR_GENERIC_FAILURE: Toast.makeText(getBaseContext(), "Generic failure", Toast.LENGTH_SHORT).show(); break; case SmsManager.RESULT_ERROR_NO_SERVICE: Toast.makeText(getBaseContext(), "No service", Toast.LENGTH_SHORT).show(); break; case SmsManager.RESULT_ERROR_NULL_PDU: Toast.makeText(getBaseContext(), "Null PDU", Toast.LENGTH_SHORT).show(); break; case SmsManager.RESULT_ERROR_RADIO_OFF: Toast.makeText(getBaseContext(), "Radio off", Toast.LENGTH_SHORT).show(); break; } } },new IntentFilter(SENT)); //---when the SMS has been delivered--- registerReceiver(new BroadcastReceiver(){ @Override public void onReceive(Context arg0, Intent arg1) { switch (getResultCode()) { case Activity.RESULT_OK: Toast.makeText(getBaseContext(), "SMS delivered", Toast.LENGTH_SHORT).show(); break; case Activity.RESULT_CANCELED: Toast.makeText(getBaseContext(), "SMS not delivered", Toast.LENGTH_SHORT).show(); break; } } }, new IntentFilter(DELIVERED)); SmsManager sms = SmsManager.getDefault(); sms.sendTextMessage(phoneNumber, null, message, sentPI, deliveredPI); } @SuppressWarnings("deprecation") public void onInit(int status) { // TODO Auto-generated method stub if (status == TextToSpeech.SUCCESS) { int result = tts.setLanguage(Locale.US); // tts.setPitch(5); // set pitch level // tts.setSpeechRate(2); // set speech speed rate if (result == TextToSpeech.LANG_MISSING_DATA || result == TextToSpeech.LANG_NOT_SUPPORTED) { Log.e("TTS", "Language is not supported"); } else { //btnSpeak.setEnabled(true); String text=enter_contact_no.getText().toString(); //tts.speak("enter contact number", TextToSpeech.QUEUE_FLUSH, null); speakOut(text); Log.e("test", "hhhhhhhhhhhhhhhhh"); /* @Deprecated int listenerResult = tts.setOnUtteranceCompletedListener(new OnUtteranceCompletedListener() { public void onUtteranceCompleted(String utteranceId) { // callWithResult.onDone(utteranceId); Log.e("TAG2", "failed to add utterance completed listener"); } }); if (listenerResult != TextToSpeech.SUCCESS) { Log.e("TAG", "failed to add utterance completed listener"); } */ Intent ContactPickerIntent = new Intent(Intent.ACTION_PICK,ContactsContract.Contacts.CONTENT_URI); ContactPickerIntent.setType(ContactsContract.CommonDataKinds.Phone.CONTENT_TYPE); startActivityForResult(ContactPickerIntent, CONTACT_PICKER_RESULT); } } else { Log.e("TTS", "Initilization Failed"); } } private void speakOut(String text) { //String text = txtText.getText().toString(); tts.speak(text, TextToSpeech.QUEUE_FLUSH, null); } public void onUtteranceCompleted(String utteranceId) { // TODO Auto-generated method stub } public void onClick(View v) { // TODO Auto-generated method stub if(v.getId()==R.id.button1) { Intent intent=new Intent(MainActivity.this, MainActivity1.class); String str=phonePhoneno.getText().toString(); intent.putExtra("phoneno", str); startActivity(intent); } if(v.getId()==R.id.complete) { Intent intent=getIntent(); String str,str1; str=intent.getExtras().getString("phoneno"); phonePhoneno.setText(str); //str1=intent.getStringExtra("username"); //txtMessage.setText("str1"); } } /*public void onInit(int status) { // TODO Auto-generated method stub }*/ </code></pre> <p>}</p> <p>in the above code sendsms and finish button is causing force close. what changes should i make in order to make app run correctly.</p> <p>code of second activity</p> <pre><code> package com.example.sms; import java.util.ArrayList; import android.app.Activity; import android.content.ActivityNotFoundException; import android.content.Intent; import android.os.Bundle; import android.speech.RecognizerIntent; import android.support.v4.view.ViewGroupCompat; import android.view.Menu; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.EditText; import android.widget.ImageButton; import android.widget.TextView; import android.widget.Toast; public class MainActivity1 extends Activity implements OnClickListener { protected static final int RESULT_SPEECH = 1; private ImageButton btnSpeak; private TextView txtText; //EditText msg; Button b; String phoneno; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main1); txtText = (TextView) findViewById(R.id.txtText); btnSpeak = (ImageButton) findViewById(R.id.btnSpeak); // msg=(EditText) findViewById(R.id.txtMessage); //b=(Button) findViewById(R.id.main_act); b=(Button) findViewById(R.id.main_act); btnSpeak.setOnClickListener(this); b.setOnClickListener(this); Intent intent =getIntent(); phoneno=intent.getExtras().getString("phoneno"); } @Override public boolean onCreateOptionsMenu(Menu menu) { getMenuInflater().inflate(R.menu.activity_main, menu); return true; } public void onClick(View v) { // TODO Auto-generated method stub if(v.getId()==R.id.btnSpeak) { Intent intent = new Intent( RecognizerIntent.ACTION_RECOGNIZE_SPEECH); intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, "en-US"); try { startActivityForResult(intent, RESULT_SPEECH); txtText.setText(""); } catch (ActivityNotFoundException a) { Toast t = Toast.makeText(getApplicationContext(), "Ops! Your device doesn't support Speech to Text", Toast.LENGTH_SHORT); t.show(); } } if(v.getId()==R.id.main_act) { String str=txtText.getText().toString(); Intent intent=new Intent(getApplicationContext(), MainActivity.class); intent.putExtra("username",str); intent.putExtra("phoneno", phoneno); startActivity(intent); } } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); switch (requestCode) { case RESULT_SPEECH: { if (resultCode == RESULT_OK &amp;&amp; null != data) { ArrayList&lt;String&gt; text = data .getStringArrayListExtra(RecognizerIntent.EXTRA_RESULTS); String text1; text1=text.get(0); txtText.setText(text.get(0)); /* if(text1=="call"||text1=="cal"||text1=="phone") { txtText.setText("call module"+text1); } else if(text1=="message"||text1=="massage"||text1=="sms") { txtText.setText("message module"+text1); } else { txtText.setText("invalid word!! please try again"+text1); } */ // msg.setText(text1); // Intent intent=new Intent(this, MainActivity.class); // startActivity(intent); } break; } } } } </code></pre>
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    1. COshow crash stacktrace!
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    2. COClean your code and only show what is relevant. Then show the stack trace from LogCat as @WebnetMobile suggested.
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    3. COi have found error it was due to null pointer exception returned by intent .how it should be handled. send sms was force closing because of ininitialised variable i have corrected that part.
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