title: My button doesn't work
body: <blockquote>
    <p>This is the main activity, where I click the button</p>
  </blockquote>
  
  <pre><code>    public class NewAddMarketingProg extends Activity implements OnClickListener {
      private StartAppAd startAppAd;
  
  
  
      String note_detail;
      ListView lvNote;
      String[] data;
      private int mIndex;
      private MarketingProgramsAdapter adapter;
      private Context context;
  
      @Override
      protected void onCreate(Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);
  /*      StartAppSDK.init(this, getString(R.string.account_id),
                  getString(R.string.app_id), true);*/
  
  
  
          setContentView(R.layout.newaddmarketingprog);
          context = this;
          init();
  
          lvNote.setOnItemClickListener(new AdapterView.OnItemClickListener() {
  
              @Override
              public void onItemClick(AdapterView&lt;?&gt; arg0, View arg1,
                      int position, long arg3) {
  
                  mIndex = position;
                  arg1.showContextMenu();
              }
          });
  
          registerForContextMenu(lvNote);
          startAppAd = new StartAppAd(this);
  
          startAppAd.showAd(); // show the ad
          startAppAd.loadAd(); // load the next ad
  
      }
  
      private void init() {
          MarketingPrograms.listOfMarketingPrograms.clear();
          lvNote = (ListView) findViewById(R.id.lvNotes);
          getDataFromDB();
  
          Button bAddNote = (Button) findViewById(R.id.btnAdd);
  
          bAddNote.setOnClickListener(this);
  
      }
  
      private void getDataFromDB() {
          DatabaseMarketingPrograms infoNote = new DatabaseMarketingPrograms(this);
  
          infoNote.openNote();
          infoNote.getDataNote();
          infoNote.getRowDataNote();
          infoNote.closeNote();
  
          adapter = new MarketingProgramsAdapter(context);
          lvNote.setAdapter(adapter);
  
      }
  
      @Override
      public void onClick(View v) {
  
          switch (v.getId()) {
          case R.id.bAddNote:
              Intent i = new Intent(this, AddMarketingProgram.class);
  
              i.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
              startActivity(i);
              finish();
              break;
          }
      }
  
      @Override
      public void onCreateContextMenu(ContextMenu menu, View v,
              ContextMenuInfo menuInfo) {
          MenuInflater m = getMenuInflater();
          m.inflate(R.menu.noteotions, menu);
          super.onCreateContextMenu(menu, v, menuInfo);
      }
  
      @Override
      public boolean onContextItemSelected(MenuItem item) {
          if (item.getItemId() == R.id.view) {
  
              int id = MarketingPrograms.listOfMarketingPrograms.get(mIndex).getId();
              Intent e = new Intent(this, ViewMarketingPrograms.class);
              e.putExtra("id", id);
              startActivity(e);
  
          } else if (item.getItemId() == R.id.update) {
          int id = MarketingPrograms.listOfMarketingPrograms.get(mIndex).getId();
              Intent e = new Intent(this, AddMarketingProgram.class);
              e.putExtra("mIsUpdate", true);
              e.putExtra("mIndex", mIndex);
              e.putExtra("id", id);
              startActivity(e);
  
          } else if (item.getItemId() == R.id.delete) {
              int id = MarketingPrograms.listOfMarketingPrograms.get(mIndex).getId();
              DatabaseMarketingPrograms delete = new DatabaseMarketingPrograms(NewAddMarketingProg.this);
  
              int flag = delete.deleteEntry(id);
              if (flag &gt; 0) {
                  Toast.makeText(getApplicationContext(), "Deleted",
                          Toast.LENGTH_SHORT).show();
                  MarketingPrograms.listOfMarketingPrograms.remove(mIndex);
                  adapter.notifyDataSetChanged();
              } else {
                  Toast.makeText(getApplicationContext(), "Could n't be Deleted",
                          Toast.LENGTH_SHORT).show();
              }
          }
          return super.onContextItemSelected(item);
      }
      @Override
      protected void onResume() {
  
          super.onResume();
          startAppAd.onResume();
      }
  
      @Override
      protected void onPause() {
          // TODO Auto-generated method stub
          super.onPause();
          startAppAd.onPause();
  
      }
      @Override
      public void onBackPressed() {
          startAppAd.onBackPressed();
          Intent i=new Intent(NewAddMarketingProg.this,MainActivity.class);
          startActivity(i);
          finish();
          super.onBackPressed();
      }
  
  }
  </code></pre>
  
  <blockquote>
    <p>This is the activity, which I want to open on click of the button</p>
  </blockquote>
  
  <pre><code>public class AddMarketingProgram extends Activity implements OnClickListener {
  TextView /* tvDate, */tvSelectDate;
  EditText etName,etBudget;
  Button btnSave;
  boolean mIsUpdate = false;
  Context context;
  private int id;
  private int mIndex;
  private DatePickerDialog fromDatePickerDialog;
  private SimpleDateFormat dateFormatter;
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
  
      setContentView(R.layout.addmarketingprograms);
      context = this;
  
      etName = (EditText) findViewById(R.id.etName);
      etBudget = (EditText) findViewById(R.id.etBudget);
      tvSelectDate = (TextView) findViewById(R.id.tvSelectDate);
      tvSelectDate.setOnClickListener(this);
  
      btnSave = (Button) findViewById(R.id.btnSave);
      btnSave.setOnClickListener(this);
  
      Bundle bundle = getIntent().getExtras();
      if (bundle != null) {
          mIsUpdate = bundle.getBoolean("mIsUpdate", false);
          if (mIsUpdate) {
  
              mIndex = bundle.getInt("mIndex");
              MarketingPrograms note = MarketingPrograms.listOfMarketingPrograms.get(mIndex);
              String name = note.getName();
              String date = note.getDate();
              int budget=note.getBudget();
              etName.setText(name);
              tvSelectDate.setText(date);
              etBudget.setText(String.valueOf(budget));
  
              btnSave.setText("Update");
  
          }
      }
  
      // Get Current Date and time
      Calendar c = Calendar.getInstance();
      dateFormatter = new SimpleDateFormat("dd,MMM yyyy");
      tvSelectDate.setText(dateFormatter.format(c.getTime()));
  
      // Initrialize date picker
      setDateTimeField();
  }
  
  @Override
  public void onBackPressed() {
      Intent i = new Intent(context, NewAddClassNotes.class);
      startActivity(i);
      finish();
  }
  
  @Override
  public void onClick(View arg0) {
      switch (arg0.getId()) {
      case R.id.btnSave:
          if (mIsUpdate) {
              updateNote();
  
          } else {
              saveNote();
          }
          break;
      case R.id.tvSelectDate:
          fromDatePickerDialog.show();
      }
  }
  
  private void updateNote() {
  
      DatabaseMarketingPrograms update = new DatabaseMarketingPrograms(context);
      update.openNote();
      String name = etName.getText().toString();
      String date = tvSelectDate.getText().toString();
      int Budget=Integer.parseInt(etBudget.getText().toString());
  
      boolean flag = update.editEntry(name, Budget, date, MarketingPrograms.listOfMarketingPrograms.get(mIndex).getId());
      update.closeNote();
      if (flag) {
          Toast.makeText(getApplicationContext(), "Update Successfully",
                  Toast.LENGTH_LONG).show();
          onBackPressed();
      } else {
          Toast.makeText(getApplicationContext(), "Unable to update.",
                  Toast.LENGTH_LONG).show();
      }
  }
  
  private void saveNote() {
      try {
          String name = etName.getText().toString();
          int budget=Integer.parseInt(etBudget.getText().toString());   
          String date = tvSelectDate.getText().toString();
          DatabaseMarketingPrograms entry = new DatabaseMarketingPrograms(context);
  
          entry.openNote();
          long flag = entry.createEntryNote(name, budget, date);
  
          entry.closeNote();
  
          if (flag &gt; 0) {
              Toast.makeText(getApplicationContext(), "Save Successfully",
                      Toast.LENGTH_LONG).show();
              onBackPressed();
          } else {
              Toast.makeText(getApplicationContext(), "Unable to Save.",
                      Toast.LENGTH_LONG).show();
          }
      } catch (Exception e) {
          Toast.makeText(getApplicationContext(), "Unable to Save.",
                  Toast.LENGTH_LONG).show();
      }
  }
  
  private void setDateTimeField() {
  
      Calendar newCalendar = Calendar.getInstance();
      fromDatePickerDialog = new DatePickerDialog(this,
              new OnDateSetListener() {
  
                  public void onDateSet(DatePicker view, int year,
                          int monthOfYear, int dayOfMonth) {
                      Calendar newDate = Calendar.getInstance();
                      newDate.set(year, monthOfYear, dayOfMonth);
                      tvSelectDate.setText(dateFormatter.format(newDate
                              .getTime()));
                  }
              }, newCalendar.get(Calendar.YEAR),
              newCalendar.get(Calendar.MONTH),
              newCalendar.get(Calendar.DAY_OF_MONTH));
  }
  </code></pre>
  
  <p>}</p>