title: Cannot resolve symbol 'onClickListener'
body: <p>When trying to open a new activity with a button press im getting the error "Cannot resolve symbol 'onclickListener'" and Cannot resolve constructor intent.</p>
  
  <p>My code is:</p>
  
  <pre><code>package uk.co.ryanmoss.computingrevision;
  
      import android.app.Activity;
      import android.content.Intent;
      import android.os.Bundle;
      import android.view.Menu;
      import android.view.MenuItem;
      import android.view.View;
      import android.widget.Button;
      import android.view.View.OnClickListener;
  
  
      public class MainActivity extends Activity{
  
  
  
  
          @Override
          protected void onCreate(Bundle savedInstanceState) {
              super.onCreate(savedInstanceState);
              setContentView(R.layout.activity_main);
  
              Button ASButton = (Button) findViewById(R.id.asButton);
              ASButton.setOnClickListener(new View.onClickListener() {
                  public void onClick(View v) {
                      Intent intent = new Intent(this, ASLevelActivity.class);
                      startActivity(intent);
                  }
              });
  
  
  
          }
  
  
  
          @Override
          public boolean onCreateOptionsMenu(Menu menu) {
              // Inflate the menu; this adds items to the action bar if it is present.
              getMenuInflater().inflate(R.menu.menu_main, menu);
              return true;
          }
  
          @Override
          public boolean onOptionsItemSelected(MenuItem item) {
              // Handle action bar item clicks here. The action bar will
              // automatically handle clicks on the Home/Up button, so long
              // as you specify a parent activity in AndroidManifest.xml.
              int id = item.getItemId();
  
              //noinspection SimplifiableIfStatement
              if (id == R.id.action_settings) {
                  return true;
              }
  
              return super.onOptionsItemSelected(item);
          }
  
  
      }
  </code></pre>