How to use the same onClickListener in more than one View?

Question

I’d like to know the following, I have: ImageButton btneditarusuario; and a TextView editarusuario;, by clicking on either of the two starts the startActivity.

You can group the ImageButton with the TextView to avoid having to repeat the code?

The code:

editarusuario.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {

                    startActivity(new Intent(getApplicationContext(), EditarUsuario.class));
                }
            });

btneditarusuario.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {

                    startActivity(new Intent(getApplicationContext(), EditarUsuario.class));
                }
            });

Answer 1

Has three possibilities:

• Declare a class that implements the interface View.Onclicklistener

  private class ClickListener implements View.OnClickListener {
      @Override
      public void onClick(View v) {
  
          startActivity(new Intent(getApplicationContext(), EditarUsuario.class));
      }
  } 
  

  and pass it on to each of the setOnClickListener():

  ClickListener listener = new ClickListener();
  
  editarusuario.setOnClickListener(listener);
  btneditarusuario.setOnClickListener(listener);
  

• Get Activity to implement the interface View.Onclicklistener

  public class MainActivity extends AppCompatActivity implements View.OnClickListener {
  
      protected void onCreate(Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);
  
          .....
          .....
  
          editarusuario.setOnClickListener(this);
          btneditarusuario.setOnClickListener(this);
      }
  
      @Override
      public void onClick(View view) {
          startActivity(new Intent(getApplicationContext(), EditarUsuario.class));  
      }
  }
  

• Use the attribute android:onClick="" of the same method name, in the declaration of Imagebutton and of Textview

  <TextView
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      ....
      ....
      android:onClick="startActivityEditarUsuario" />
  
  <ImageButton
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      ....
      ....
      android:onClick="startActivityEditarUsuario" />
  

  and declare the method in the Activity

  public void startActivityEditarUsuario(View view) {
      startActivity(new Intent(getApplicationContext(), EditarUsuario.class));  
  }