@Override
public void onItemClick(AdapterView<?> parent, View view, int pos, long id) {
  // start the activity
  Intent intent = new Intent(view.getContext(), <your java classname>.class);
  intent.putExtra(pid, ID);
  view.getContext().startActivity(intent);
}

import android.app.Application;
   
public class GlobalExampleClass extends Application {
  private String globalName;
  private String globalEmail;
       
  public String getName() {
      return globalName;
  }
       
  public void setName(String aName) {
      globalName = aName;    
  }
      
  public String getEmail() {
      return globalEmail;
  }
       
  public void setEmail(String aEmail) {
      globalEmail = aEmail;
  }
}

// Activity
public class <your activity1> extends Activity {
  private <yourapplicationname> globarVar;

  @Override
  public void onCreate(Bundle savedInstanceState) {
    final GlobalExampleClass globalExampleVariable = (GlobalExampleClass) getApplicationContext();
      
    // 여기서 이름과 이메일을 설정하고, 다른 Activity에서 reuse 가능
    globalExampleVariable.setName("getApplicationContext example");
    globalExampleVariable.setEmail("xxxxxx@gmail.com");
}