title: Logcat says - The application may be doing too much work on its main thread and error message says - StringtoReal.invalidReal(string.boolean)line:63
body: <p>Whenever I running my app in emulator, 
  Logcat says - The application may be doing too much work on its main thread and 
  error message says - StringtoReal.invalidReal(string.boolean)line:63
  here, i am trying to add values of 3 textviews and show their total in another textview using tick on checbox(es)</p>
  
  <pre><code>10-12 17:23:21.074: W/ActivityThread(700): 
  Application com.suvendu.tutorial.cb is waiting for the debugger on port 8100...
  10-12 17:23:21.134: I/System.out(700): Sending WAIT chunk
  10-12 17:23:21.143: I/dalvikvm(700): Debugger is active
  10-12 17:23:21.334: I/System.out(700): Debugger has connected
  10-12 17:23:21.334: I/System.out(700): waiting for debugger to settle...
  10-12 17:23:21.545: I/System.out(700): waiting for debugger to settle...
  10-12 17:23:21.744: I/System.out(700): waiting for debugger to settle...
  10-12 17:23:21.943: I/System.out(700): waiting for debugger to settle...
  10-12 17:23:22.155: I/System.out(700): waiting for debugger to settle...
  10-12 17:23:22.353: I/System.out(700): waiting for debugger to settle...
  10-12 17:23:22.554: I/System.out(700): waiting for debugger to settle...
  10-12 17:23:22.754: I/System.out(700): waiting for debugger to settle...
  10-12 17:23:22.954: I/System.out(700): waiting for debugger to settle...
  10-12 17:23:23.164: I/System.out(700): debugger has settled (1368)
  10-12 17:23:25.243: I/Choreographer(700): Skipped 46 frames!  
  The application may be  doing too much work on its main thread.
  10-12 17:23:25.533: D/gralloc_goldfish(700): Emulator without GPU emulation detected.
  </code></pre>
  
  <p>Activity Code:-</p>
  
  <pre><code>OnClickListener checkBoxListener;
  @Override
  public void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.main);
  
      text_regular_code=(TextView)findViewById(R.id.text_regular);
      text_small_code=(TextView)findViewById(R.id.text_small);
      text_large_code=(TextView)findViewById(R.id.text_large);
  
      text_check_regular_code=(TextView)findViewById(R.id.text_check_regular);
      text_check_small_code=(TextView)findViewById(R.id.text_check_small);
      text_check_large_code=(TextView)findViewById(R.id.text_check_large);
  
      text_price_regular_code=(TextView)findViewById(R.id.text_price_regular);
      text_price_small_code=(TextView)findViewById(R.id.text_price_small);
      text_price_large_code=(TextView)findViewById(R.id.text_price_large);
  
  
  
      edit_qty_regular_code=(EditText)findViewById(R.id.edit_qty_regular);
      edit_qty_small_code=(EditText)findViewById(R.id.edit_qty_small);
      edit_qty_large_code=(EditText)findViewById(R.id.edit_qty_large);
  
  
  
      chk_regular_code=(CheckBox)findViewById(R.id.chk_regular);
      chk_small_code=(CheckBox)findViewById(R.id.chk_small);
      chk_large_code=(CheckBox)findViewById(R.id.chk_large);
  
  
  
      checkBoxListener =new OnClickListener() {
  
          public void onClick(View v) {
  
              if(chk_regular_code.isChecked())
              {
                  text_price_regular_code.setText
                  (text_regular_code.getText().toString());
                  text_check_regular_code.setText
                  (chk_regular_code.getText().toString());
  
              }
              else {
                  text_price_regular_code.setText("");
                  text_check_regular_code.setText("");
                  edit_qty_regular_code.setText("");
              }
  
  
              if(chk_small_code.isChecked())
              {
                  text_price_small_code.setText
                  (text_small_code.getText().toString());
                  text_check_small_code.setText
                  (chk_small_code.getText().toString());
  
              }
              else {
                  text_price_small_code.setText("");
                  text_check_small_code.setText("");
                  edit_qty_small_code.setText("");
              }
  
              if(chk_large_code.isChecked())
              {
                  text_price_large_code.setText
                  (text_large_code.getText().toString());
                  text_check_large_code.setText
                  (chk_large_code.getText().toString());
  
              }
              else {
                  text_price_large_code.setText("");
                  text_check_large_code.setText("");
                  edit_qty_large_code.setText("");
              }
              // whenever i use below code getting error "start"
  
              x=Double.parseDouble
                      (text_price_regular_code.getText().toString());
              y=Double.parseDouble
                      (text_price_small_code.getText().toString());
              z=Double.parseDouble
                      (text_price_large_code.getText().toString());           
              a=x+y+z;
              text_total_code.setText(Double.toString(a));
              // whenever i use below code getting error "end"
          }
      };
  
      chk_regular_code.setOnClickListener(checkBoxListener);
      chk_small_code.setOnClickListener(checkBoxListener);
      chk_large_code.setOnClickListener(checkBoxListener);
  }
  </code></pre>