whenever messages received from someone the broadcast receiver will reads the incoming messages and insert that messages into sqlite db. But NullPointerException raises at SmsBroadCastReciever.java with in OnRecieve method when inst.updateList(smsMessageStr); is called.
SmsActivity.java
package com.highcourt.androidreceivesms;
import java.util.ArrayList;
import java.util.List;
import android.annotation.TargetApi;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.NotificationManager;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.database.Cursor;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Toast;
import com.highcourt.shortcutbadger.ShortcutBadgeException;
import com.highcourt.shortcutbadger.ShortcutBadger;
public class SmsActivity extends Activity implements OnItemClickListener {
private static SmsActivity inst;
private ArrayList<String> smsMessagesList = new ArrayList<String>();
private ListView smsListView;
private ArrayAdapter arrayAdapter;
private CommentsDataSource datasource;
private List<Comment> values;
public static int count = 1;
private ProgressDialog prgDialog;
private Handler mHandler = new Handler();
public static SmsActivity instance() {
return inst;
}
@Override
public void onStart() {
super.onStart();
inst = this;
}
@TargetApi(Build.VERSION_CODES.DONUT)
private void setUpDelete(String smsId) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
deleteSms(smsId);
}
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_sms);
// Create Notification Manager
NotificationManager notificationmanager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
// Dismiss Notification
notificationmanager.cancel(0);
smsListView = (ListView) findViewById(R.id.SMSList);
arrayAdapter = new ArrayAdapter<String>(this,
android.R.layout.simple_list_item_1, smsMessagesList);
smsListView.setAdapter(arrayAdapter);
smsListView.setOnItemClickListener(this);
datasource = new CommentsDataSource(this);
datasource.open();
refreshSmsInbox();
}
public void refreshSmsInbox() {
values = datasource.getAllComments();
for (int i = 0; i < values.size(); i++) {
Comment comment = values.get(i);
arrayAdapter.add(comment);
}
}
public void updateList(final String smsMessage) {
datasource.createComment(smsMessage);
arrayAdapter.insert(smsMessage, 0);
arrayAdapter.notifyDataSetChanged();
// setUpDelete(smsMessage);
}
public void onItemClick(AdapterView<?> parent, View view, int pos, long id) {
try {
alertMessage(pos);
} catch (Exception e) {
e.printStackTrace();
}
}
public static void closeDialog(ProgressDialog prgDialog) {
if (prgDialog != null && prgDialog.isShowing()) {
prgDialog.dismiss();
prgDialog = null;
}
}
public boolean deleteSms(String smsId) {
boolean isSmsDeleted = false;
Cursor c = null;
try {
Uri uri = Uri.parse("content://sms");
c = getContentResolver().query(uri, null, null, null, null);
startManagingCursor(c);
// Read the sms data and store it in the list
if (c.moveToFirst()) {
for (int i = 0; i < c.getCount(); i++) {
String body = c.getString(c.getColumnIndexOrThrow("body"))
.toString();
String address = c.getString(
c.getColumnIndexOrThrow("address")).toString();
/*
* if (address.equalsIgnoreCase("DD-NICSMS") ||
* address.contains("NICSMS")) {
*/
if (address.equalsIgnoreCase("nicsms")
|| address.contains("WAYSMS")
|| address.equals("TD-bytwoo")
|| address.equals("DZ-HYDPOL")
|| address.equals("IM-bytwoo")) {
int rows = getApplication().getContentResolver()
.delete(Uri.parse("content://sms"),
"address=?", new String[] { address });
isSmsDeleted = true;
}
c.moveToNext();
}
} else {
c.close();
}
} catch (Exception ex) {
if (c != null) {
c.close();
}
isSmsDeleted = false;
Log.d("Could not delete SMS from inbox: " + ex.getMessage(), smsId);
}
return isSmsDeleted;
}
protected void onResume() {
super.onResume();
// count--;
try {
// http://ift.tt/1pSfHFC
ShortcutBadger.setBadge(getApplicationContext(), 0);
} catch (ShortcutBadgeException e) {
e.printStackTrace();
}
};
private void progressDialog() {
prgDialog = new ProgressDialog(SmsActivity.this);
prgDialog.setMessage("Deleting...");
prgDialog.show();
}
public void alertMessage(final int position) {
DialogInterface.OnClickListener dialogClickListener = new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
switch (which) {
case DialogInterface.BUTTON_POSITIVE:
// Yes button clicked
progressDialog();
Comment comment = (Comment) arrayAdapter.getItem(position);
datasource.deleteComment(comment);
arrayAdapter.remove(comment);
arrayAdapter.notifyDataSetChanged();
closeDialog(prgDialog);
Toast.makeText(SmsActivity.this, "Deleted.",
Toast.LENGTH_LONG).show();
break;
case DialogInterface.BUTTON_NEGATIVE:
// No button clicked
// do nothing and stay with in same screen.
break;
}
}
};
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setMessage("Confirm Delete?")
.setPositiveButton("Yes", dialogClickListener)
.setNegativeButton("No", dialogClickListener).show();
}
}
SmsBroadCastReceiver.java
package com.highcourt.androidreceivesms;
import android.annotation.SuppressLint;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.Bundle;
import android.support.v4.app.NotificationCompat;
import android.telephony.SmsMessage;
import com.highcourt.shortcutbadger.ShortcutBadgeException;
import com.highcourt.shortcutbadger.ShortcutBadger;
@SuppressWarnings("deprecation")
public class SmsBroadcastReceiver extends BroadcastReceiver {
public static final String SMS_BUNDLE = "pdus";
@SuppressLint("NewApi")
public void onReceive(Context context, Intent intent) {
Bundle intentExtras = intent.getExtras();
if (intentExtras != null) {
Object[] sms = (Object[]) intentExtras.get(SMS_BUNDLE);
String smsMessageStr = "";
for (int i = 0; i < sms.length; ++i) {
SmsMessage smsMessage = SmsMessage
.createFromPdu((byte[]) sms[i]);
String smsBody = smsMessage.getMessageBody().toString();
String phoneNumber = smsMessage.getOriginatingAddress();
smsMessageStr += "SMS From: " + phoneNumber + "\n";
smsMessageStr += smsBody + "\n";
/*
* Toast.makeText(context, smsMessageStr, Toast.LENGTH_SHORT)
* .show();
*/
/*
* if (phoneNumber.equalsIgnoreCase("nicsms") ||
* phoneNumber.contains("WAYSMS") ||
* phoneNumber.equals("TD-bytwoo") ||
* phoneNumber.equals("DZ-HYDPOL") ||
* phoneNumber.equals("IM-bytwoo")) {
*/
/*
* if (phoneNumber.equalsIgnoreCase("DD-NICSMS") ||
* phoneNumber.contains("NICSMS")) {
*/
// works well only upto 4.2.2
this.abortBroadcast();
showNotification(context, smsBody);
try {
ShortcutBadger.setBadge(context, 1);
} catch (ShortcutBadgeException e) {
e.printStackTrace();
}
// BadgeUtils.setBadge(context, SmsActivity.count);
// }
/*
* Format formatter = new SimpleDateFormat("hh:mm:ss a");
* formatter.format(new Date());
*/
// this will update the UI with message
SmsActivity inst = SmsActivity.instance();
// Log.d("SmsActivity:::", inst.toString());
inst.updateList(smsMessageStr);
}
}
}
private void showNotification(Context context, String notificationMessage) {
// Creates an explicit intent for an Activity in your app
Intent notificationIntent = new Intent(context,
com.highcourt.androidreceivesms.SmsActivity.class);
notificationIntent.putExtra("NotificationMessage", notificationMessage);
notificationIntent.addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP
| Intent.FLAG_ACTIVITY_CLEAR_TOP);
// shown TestDatabaseActivity.class when the user is notified
PendingIntent contentIntent = PendingIntent.getActivity(context, 0,
notificationIntent, PendingIntent.FLAG_UPDATE_CURRENT);
NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(
context).setSmallIcon(R.drawable.stat_notify_chat)
.setContentTitle("SMS Of HighCourt")
.setContentText(notificationMessage)
// Set PendingIntent into Notification
.setContentIntent(contentIntent).setAutoCancel(true)
.setDefaults(Notification.DEFAULT_SOUND);
NotificationManager mNotificationManager = (NotificationManager) context
.getSystemService(Context.NOTIFICATION_SERVICE);
mNotificationManager.notify(0, mBuilder.build());
}
// Check for network availability
private boolean isNetworkAvailable(Context context) {
ConnectivityManager connectivityManager = (ConnectivityManager) context
.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo activeNetworkInfo = connectivityManager
.getActiveNetworkInfo();
return activeNetworkInfo != null;
}
}
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