title: I dont understand what this error means
body: <p><a href="https://i.stack.imgur.com/ZKRiA.png" rel="nofollow noreferrer">My calculator app error msg</a></p>
  
  <p>I tried looking online but I only just started learning about Android Studio and the information given is too abstract.</p>
  
  <p>Can someone translate this to English please?</p>
  
  <p>Alright so I tried a couple things and now this is my issue...
  <a href="https://i.stack.imgur.com/rOSei.png" rel="nofollow noreferrer">AnotherNullPointer</a></p>
  
  <p>This method seems to be my problem. Line 194 is the content of my "else".</p>
  
  <pre><code>private void compute(){
          if(!Float.isNaN(value1)){
              value2 = Float.parseFloat(resultView.getText().toString());
              switch(Action){
                  case Addition:
                      value1 = value1 + value2;
                      break;
                  case Subtraction:
                      value1 = value1 - value2;
                      break;
                  case Multiply:
                      value1 = value1 * value2;
                      break;
                  case Divide:
                      value1 = value1 / value2;
                      break;
                  case Eq:
                      break;
              }
          }
          else{
              value1 = Float.parseFloat(resultView.getText().toString());
          }
      }
  </code></pre>