see 04/26 log

Author: Blankj

app/src/main/java/com/blankj/androidutilcode/activity/HandlerActivity.java

@@ -2,6 +2,8 @@
 
 import android.app.Activity;
 import android.os.Bundle;
+import android.os.Handler;
+import android.os.Handler.Callback;
 import android.os.Message;
 import android.view.View;
 import android.widget.TextView;
@@ -18,10 +20,9 @@
  * </pre>
  */
 public class HandlerActivity extends Activity
-        implements View.OnClickListener,
-        HandlerUtils.OnReceiveMessageListener {
+        implements View.OnClickListener, Callback {
 
-    private TextView                   tvAboutHandler;
+    private TextView tvAboutHandler;
     private HandlerUtils.HandlerHolder handlerHolder;
 
     @Override
@@ -45,7 +46,8 @@ public void onClick(View view) {
     }
 
     @Override
-    public void handlerMessage(Message msg) {
+    public boolean handleMessage(Message msg) {
         tvAboutHandler.setText("get_msg_after_3s");
+        return false;
     }
 }

update_log.md

@@ -1,3 +1,4 @@
+* 17/04/26 完善HandlerUtils使用Handler.CallBack的回调接口
 * 17/04/24 fix typos and fix StringUtils.equalsIgnoreCase
 * 17/04/23 完善README
 * 17/04/21 完善TimeUtils，发布Version1.4.0

utilcode/src/main/java/com/blankj/utilcode/util/HandlerUtils.java

@@ -20,29 +20,22 @@ private HandlerUtils() {
     }
 
     public static class HandlerHolder extends Handler {
-        WeakReference<OnReceiveMessageListener> mListenerWeakReference;
+        WeakReference<Handler.Callback> mListenerWeakReference;
 
         /**
          * 使用必读：推荐在Activity或者Activity内部持有类中实现该接口，不要使用匿名类，可能会被GC
          *
          * @param listener 收到消息回调接口
          */
-        public HandlerHolder(OnReceiveMessageListener listener) {
+        public HandlerHolder(Handler.Callback listener) {
             mListenerWeakReference = new WeakReference<>(listener);
         }
 
         @Override
         public void handleMessage(Message msg) {
             if (mListenerWeakReference != null && mListenerWeakReference.get() != null) {
-                mListenerWeakReference.get().handlerMessage(msg);
+                mListenerWeakReference.get().handleMessage(msg);
             }
         }
     }
-
-    /**
-     * 收到消息回调接口
-     */
-    public interface OnReceiveMessageListener {
-        void handlerMessage(Message msg);
-    }
 }