Class ViewInjectorImpl

xutils/src/main/java/org/xutils/view/ViewInjectorImpl.java:35–213

import java.util.HashSet;

public final class ViewInjectorImpl implements ViewInjector {

    private static final HashSet<Class<?>> IGNORED = new HashSet<Class<?>>();

    static {
        IGNORED.add(Object.class);
        IGNORED.add(Activity.class);
        IGNORED.add(android.app.Fragment.class);
        try {
            IGNORED.add(Class.forName("android.support.v4.app.Fragment"));
            IGNORED.add(Class.forName("android.support.v4.app.FragmentActivity"));
        } catch (Throwable ignored) {
        }
    }

    private static final Object lock = new Object();
    private static volatile ViewInjectorImpl instance;

    private ViewInjectorImpl() {
    }

    public static void registerInstance() {
        if (instance == null) {
            synchronized (lock) {
                if (instance == null) {
                    instance = new ViewInjectorImpl();
                }
            }
        }
        x.Ext.setViewInjector(instance);
    }

    @Override
    public void inject(View view) {
        injectObject(view, view.getClass(), new ViewFinder(view));
    }

    @Override
    public void inject(Activity activity) {
        //获取Activity的ContentView的注解
        Class<?> handlerType = activity.getClass();
        try {
            ContentView contentView = findContentView(handlerType);
            if (contentView != null) {
                int viewId = contentView.value();
                if (viewId > 0) {
                    activity.setContentView(viewId);
                }
            }
        } catch (Throwable ex) {
            LogUtil.e(ex.getMessage(), ex);
        }

        injectObject(activity, handlerType, new ViewFinder(activity));
    }

    @Override
    public void inject(Object handler, View view) {