Java 在内部类中访问变量需要宣布为最终

如何解决Java 在内部类中访问变量需要宣布为最终

如果您不想使其最终确定，则始终可以将其设为全局变量。

解决方法

因此标题说明了一切。我的内出现编译错误onClick。

这是代码。

public class fieldsActivity extends Activity {

Button addSiteButton;
Button cancelButton;
Button signInButton;


/**
 * Called when the activity is first created.
 */
@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    // to create a custom title bar for activity window
    requestWindowFeature(Window.FEATURE_CUSTOM_TITLE);

    setContentView(R.layout.fields);
    // use custom layout title bar
    getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE,R.layout.topbar);

    Pager adapter = new Pager();
    ViewPager mPager = (ViewPager) findViewById(R.id.fieldspager);
    mPager.setAdapter(adapter);
    mPager.setCurrentItem(1);



    addSiteButton = (Button) findViewById(R.id.addSiteButton);
    addSiteButton.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
           mPager.setCurrentItem(2,true); //Compilation error happens here.
        }


    });


    cancelButton = (Button) findViewById(R.id.cancel_button);
    signInButton = (Button) findViewById(R.id.sign_in_button);

}