| void | dispatchMessage(
                 Message msg) 
                 Handle system messages here.
                 | 
 
               
               | final void | dump(
                 Printer pw, 
                 String prefix) | 
 
               
               | final 
                 Looper | getLooper() | 
 
               
               | String | getMessageName(
                 Message message) 
                 Returns a string representing the name of the specified message.
                 | 
 
               
               | void | handleMessage(
                 Message msg) 
                 Subclasses must implement this to receive messages.
                 | 
 
               
               | final boolean | hasMessages(int what, 
                 Object object) 
                 Check if there are any pending posts of messages with code 'what' and whose obj is 'object' in the message queue.
                 | 
 
               
               | final boolean | hasMessages(int what) 
                 Check if there are any pending posts of messages with code 'what' in the message queue.
                 | 
 
               
               | final 
                 Message | obtainMessage(int what, int arg1, int arg2) 
                 Same as 
                  obtainMessage(), except that it also sets the what, arg1 and arg2 members of the returned Message.
                 | 
 
               
               | final 
                 Message | obtainMessage() 
                 Returns a new 
                  Message from the global message pool.
                 | 
 
               
               | final 
                 Message | obtainMessage(int what, int arg1, int arg2, 
                 Object obj) 
                 Same as 
                  obtainMessage(), except that it also sets the what, obj, arg1,and arg2 values on the returned Message.
                 | 
 
               
               | final 
                 Message | obtainMessage(int what) 
                 Same as 
                  obtainMessage(), except that it also sets the what member of the returned Message.
                 | 
 
               
               | final 
                 Message | obtainMessage(int what, 
                 Object obj) 
                 Same as 
                  obtainMessage(), except that it also sets the what and obj members of the returned Message.
                 | 
 
               
               | final boolean | post(
                 Runnable r) 
                 Causes the Runnable r to be added to the message queue.
                 | 
 
               
               | final boolean | postAtFrontOfQueue(
                 Runnable r) 
                 Posts a message to an object that implements Runnable.
                 | 
 
               
               | final boolean | postAtTime(
                 Runnable r, 
                 Object token, long uptimeMillis) 
                 Causes the Runnable r to be added to the message queue, to be run at a specific time given by 
                 uptimeMillis.
                 | 
 
               
               | final boolean | postAtTime(
                 Runnable r, long uptimeMillis) 
                 Causes the Runnable r to be added to the message queue, to be run at a specific time given by 
                 uptimeMillis.
                 | 
 
               
               | final boolean | postDelayed(
                 Runnable r, long delayMillis) 
                 Causes the Runnable r to be added to the message queue, to be run after the specified amount of time elapses.
                 | 
 
               
               | final void | removeCallbacks(
                 Runnable r) 
                 Remove any pending posts of Runnable r that are in the message queue.
                 | 
 
               
               | final void | removeCallbacks(
                 Runnable r, 
                 Object token) 
                 Remove any pending posts of Runnable 
                 r with Object 
                 token that are in the message queue.
                 | 
 
               
               | final void | removeCallbacksAndMessages(
                 Object token) 
                 Remove any pending posts of callbacks and sent messages whose 
                 obj is 
                 token.
                 | 
 
               
               | final void | removeMessages(int what) 
                 Remove any pending posts of messages with code 'what' that are in the message queue.
                 | 
 
               
               | final void | removeMessages(int what, 
                 Object object) 
                 Remove any pending posts of messages with code 'what' and whose obj is 'object' that are in the message queue.
                 | 
 
               
               | final boolean | sendEmptyMessage(int what) 
                 Sends a Message containing only the what value.
                 | 
 
               
               | final boolean | sendEmptyMessageAtTime(int what, long uptimeMillis) 
                 Sends a Message containing only the what value, to be delivered at a specific time.
                 | 
 
               
               | final boolean | sendEmptyMessageDelayed(int what, long delayMillis) 
                 Sends a Message containing only the what value, to be delivered after the specified amount of time elapses.
                 | 
 
               
               | final boolean | sendMessage(
                 Message msg) 
                 Pushes a message onto the end of the message queue after all pending messages before the current time.
                 | 
 
               
               | final boolean | sendMessageAtFrontOfQueue(
                 Message msg) 
                 Enqueue a message at the front of the message queue, to be processed on the next iteration of the message loop.
                 | 
 
               
               | boolean | sendMessageAtTime(
                 Message msg, long uptimeMillis) 
                 Enqueue a message into the message queue after all pending messages before the absolute time (in milliseconds) 
                 uptimeMillis.
                 | 
 
               
               | final boolean | sendMessageDelayed(
                 Message msg, long delayMillis) 
                 Enqueue a message into the message queue after all pending messages before (current time + delayMillis).
                 | 
 
               
               | String | toString() 
                 Returns a string containing a concise, human-readable description of this object.
                 |