update

Proxy/app/src/main/java/com/wangyz/proxy/EventType.java

@@ -0,0 +1,20 @@
+package com.wangyz.proxy;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * @author wangyz
+ * @time 2020/4/30 8:58
+ * @description EventType
+ */
+@Target(ElementType.ANNOTATION_TYPE)
+@Retention(RetentionPolicy.RUNTIME)
+public @interface EventType {
+
+    Class listenerType();
+
+    String listenerSetter();
+}

Proxy/app/src/main/java/com/wangyz/proxy/InjectHelper.java

@@ -3,6 +3,7 @@
 import android.app.Activity;
 import android.view.View;
 
+import java.lang.annotation.Annotation;
 import java.lang.reflect.InvocationHandler;
 import java.lang.reflect.Method;
 import java.lang.reflect.Proxy;
@@ -20,35 +21,48 @@ public static void inject(final Activity target) {
         }
         Class<? extends Activity> clz = target.getClass();
         Method[] declaredMethods = clz.getDeclaredMethods();
-        for (final Method method : declaredMethods) {
-            if (method.isAnnotationPresent(OnClick.class)) {
-                OnClick annotation = method.getAnnotation(OnClick.class);
-                int[] resIds = annotation.value();
-                for (int resId : resIds) {
-                    final View view = target.findViewById(resId);
-                    final Object proxyInstance = Proxy.newProxyInstance(InjectHelper.class.getClassLoader(), new Class[]{View.OnClickListener.class}, new InvocationHandler() {
-                        @Override
-                        public Object invoke(Object proxy, Method m, Object[] args) throws Throwable {
-                            return method.invoke(target, view);
+        for (Method method : declaredMethods) {
+            Annotation[] annotations = method.getAnnotations();
+            for (Annotation annotation : annotations) {
+                Class<? extends Annotation> annotationType = annotation.annotationType();
+                if (annotationType.isAnnotationPresent(EventType.class)) {
+                    EventType eventType = annotationType.getAnnotation(EventType.class);
+                    Class listenerType = eventType.listenerType();
+                    String listenerSetter = eventType.listenerSetter();
+                    try {
+                        Method valueMethod = annotationType.getDeclaredMethod("value");
+                        int[] ids = (int[]) valueMethod.invoke(annotation);
+                        method.setAccessible(true);
+                        ListenerInvocationHandler invocationHandler = new ListenerInvocationHandler(method, target);
+                        Object proxyInstance = Proxy.newProxyInstance(target.getClassLoader(), new Class[]{listenerType}, invocationHandler);
+                        for (int id : ids) {
+                            View view = target.findViewById(id);
+                            Method setter = view.getClass().getMethod(listenerSetter, listenerType);
+                            setter.invoke(view, proxyInstance);
                         }
-                    });
-                    view.setOnClickListener((View.OnClickListener) proxyInstance);
-                }
-            } else if (method.isAnnotationPresent(OnLongClick.class)) {
-                OnLongClick annotation = method.getAnnotation(OnLongClick.class);
-                int[] resIds = annotation.value();
-                for (int resId : resIds) {
-                    final View view = target.findViewById(resId);
-                    final Object proxyInstance = Proxy.newProxyInstance(InjectHelper.class.getClassLoader(), new Class[]{View.OnLongClickListener.class}, new InvocationHandler() {
-                        @Override
-                        public Object invoke(Object proxy, Method m, Object[] args) throws Throwable {
-                            return method.invoke(target, view);
-                        }
-                    });
-                    view.setOnLongClickListener((View.OnLongClickListener) proxyInstance);
+                    } catch (Exception e) {
+
+                    }
                 }
             }
         }
     }
 
+    static class ListenerInvocationHandler<T> implements InvocationHandler {
+
+        private Method method;
+
+        private T target;
+
+        public ListenerInvocationHandler(Method method, T target) {
+            this.method = method;
+            this.target = target;
+        }
+
+        @Override
+        public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
+            return this.method.invoke(target, args);
+        }
+    }
+
 }

Proxy/app/src/main/java/com/wangyz/proxy/MainActivity.java

@@ -12,19 +12,6 @@ public class MainActivity extends AppCompatActivity {
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
-
-        Player player = new PlayerImpl();
-        Player proxy = new ProxyImpl(player);
-        proxy.play();
-
-        DynamicProxy dynamicProxy = new DynamicProxy(player);
-        Player proxy2 = dynamicProxy.getProxy();
-        proxy2.play();
-
-        OtherPlayerImpl player2 = new OtherPlayerImpl();
-        dynamicProxy.setPlayer(player2);
-        proxy2.play();
-
         InjectHelper.inject(this);
     }
 

Proxy/app/src/main/java/com/wangyz/proxy/OnClick.java

@@ -1,5 +1,7 @@
 package com.wangyz.proxy;
 
+import android.view.View;
+
 import androidx.annotation.IdRes;
 
 import java.lang.annotation.ElementType;
@@ -12,6 +14,7 @@
  * @time 2020/4/29 8:57
  * @description OnClick
  */
+@EventType(listenerType = View.OnClickListener.class,listenerSetter = "setOnClickListener")
 @Target(ElementType.METHOD)
 @Retention(RetentionPolicy.RUNTIME)
 public @interface OnClick {

Proxy/app/src/main/java/com/wangyz/proxy/OnLongClick.java

@@ -1,5 +1,7 @@
 package com.wangyz.proxy;
 
+import android.view.View;
+
 import androidx.annotation.IdRes;
 
 import java.lang.annotation.ElementType;
@@ -12,6 +14,7 @@
  * @time 2020/4/29 8:57
  * @description OnClick
  */
+@EventType(listenerType = View.OnLongClickListener.class, listenerSetter = "setOnLongClickListener")
 @Target(ElementType.METHOD)
 @Retention(RetentionPolicy.RUNTIME)
 public @interface OnLongClick {