工欲善其事必先利其器，磨刀不误砍柴工

最近打算去深读源码，感觉不画图去分析源码根本理不清，也说不清
UML是分析类和类的关系，具体的类内部貌似没有图形机制，没有条件就创造条件呗
借此机会本人自定义一套图形绘图表示规范，并恬不知耻地称为捷型图
目的为了明确各种元素的图形表示，来表述与分析源码具体运行逻辑

为了避免每张图都加个图例，这里成文统一描述一下

一、常用表示

1.访问限制类型

无形状限定，修饰中(左上角)见色如见人

访问限制类型.png

2.常见修饰符

三角形，放在左上角

常见修饰符.png

3.类相关

类相关.png

4.方法与变量

成员及方法.png

5.关联线

表述无歧义情况下箭头,数字可略

关联线.png

6.uml线

uml线.png

二.其他不常用:

1.第一组

不常用的组合1.png

//待续...

三、几个小例子说明一下

1.类例子

ActivityThread是一个public final的普通类
ApplicationThread 是一个private的内部类 , 并处于 ActivityThread中

例子.png

2.方法与变量例子

l方法与变量.png

3.sendBroadcast的第一层关系

在Activity中调用sendBroadcast，会调用ContextWrapper的sendBroadcast方法
sendBroadcast会使用ContextWrapper的成员变量mBase的sendBroadcast方法
而mBase实际上来源于ContextImpl，而ContextImpl是一个Context类，
ContextImpl的sendBroadcast方法调用ActivityManagerNative.getDefault().broadcastIntent发送广播  这样就将工作焦点指向ActivityManagerNative，可以进行第二层的绘制，也就是分析
ActivityManagerNative，上面的四行话解释和下面的图你更喜欢哪个?
成年人的世界没有单选题，当然选择都要，图文结合，更能形象说明

广播第一层.png

4.捷型图示例

下图是基于下面类绘制的图形，有什么好的意见或建议欢迎留言，
目前使用processon在线绘图工具，以后有时间开发个小软件来绘制感觉挺不错，
再加个一键生成什么的就更棒了...

绘图规范.png

/** This file is auto-generated.  DO NOT MODIFY.* Original file: J:\\Java\\Android\\LeverUp\\TolyService\\app\\src\\main\\aidl\\com\\toly1994\\tolyservice\\IMusicPlayerService.aidl*/
package com.toly1994.tolyservice;
// Declare any non-default types here with import statementspublic interface IMusicPlayerService extends android.os.IInterface {/*** Local-side IPC implementation stub class.*/public static abstract class Stub extends android.os.Binder implements com.toly1994.tolyservice.IMusicPlayerService {private static final java.lang.String DESCRIPTOR = "com.toly1994.tolyservice.IMusicPlayerService";/*** Construct the stub at attach it to the interface.*/public Stub() {this.attachInterface(this, DESCRIPTOR);}/*** Cast an IBinder object into an com.toly1994.tolyservice.IMusicPlayerService interface,* generating a proxy if needed.*/public static com.toly1994.tolyservice.IMusicPlayerService asInterface(android.os.IBinder obj) {if ((obj == null)) {return null;}android.os.IInterface iin = obj.queryLocalInterface(DESCRIPTOR);if (((iin != null) && (iin instanceof com.toly1994.tolyservice.IMusicPlayerService))) {return ((com.toly1994.tolyservice.IMusicPlayerService) iin);}return new com.toly1994.tolyservice.IMusicPlayerService.Stub.Proxy(obj);}@Overridepublic android.os.IBinder asBinder() {return this;}@Overridepublic boolean onTransact(int code, android.os.Parcel data, android.os.Parcel reply, int flags) throws android.os.RemoteException {java.lang.String descriptor = DESCRIPTOR;switch (code) {case INTERFACE_TRANSACTION: {reply.writeString(descriptor);return true;}case TRANSACTION_stop: {data.enforceInterface(descriptor);this.stop();reply.writeNoException();return true;}case TRANSACTION_pause: {data.enforceInterface(descriptor);this.pause();reply.writeNoException();return true;}case TRANSACTION_start: {data.enforceInterface(descriptor);this.start();reply.writeNoException();return true;}case TRANSACTION_prev: {data.enforceInterface(descriptor);this.prev();reply.writeNoException();return true;}case TRANSACTION_next: {data.enforceInterface(descriptor);this.next();reply.writeNoException();return true;}case TRANSACTION_release: {data.enforceInterface(descriptor);this.release();reply.writeNoException();return true;}case TRANSACTION_isPlaying: {data.enforceInterface(descriptor);boolean _result = this.isPlaying();reply.writeNoException();reply.writeInt(((_result) ? (1) : (0)));return true;}case TRANSACTION_seek: {data.enforceInterface(descriptor);int _arg0;_arg0 = data.readInt();this.seek(_arg0);reply.writeNoException();return true;}case TRANSACTION_create: {data.enforceInterface(descriptor);java.util.List<java.lang.String> _arg0;_arg0 = data.createStringArrayList();this.create(_arg0);reply.writeNoException();return true;}default: {return super.onTransact(code, data, reply, flags);}}}private static class Proxy implements com.toly1994.tolyservice.IMusicPlayerService {private android.os.IBinder mRemote;Proxy(android.os.IBinder remote) {mRemote = remote;}@Overridepublic android.os.IBinder asBinder() {return mRemote;}public java.lang.String getInterfaceDescriptor() {return DESCRIPTOR;}/*** Demonstrates some basic types that you can use as parameters* and return values in AIDL.*/@Overridepublic void stop() throws android.os.RemoteException {android.os.Parcel _data = android.os.Parcel.obtain();android.os.Parcel _reply = android.os.Parcel.obtain();try {_data.writeInterfaceToken(DESCRIPTOR);mRemote.transact(Stub.TRANSACTION_stop, _data, _reply, 0);_reply.readException();} finally {_reply.recycle();_data.recycle();}}@Overridepublic void pause() throws android.os.RemoteException {android.os.Parcel _data = android.os.Parcel.obtain();android.os.Parcel _reply = android.os.Parcel.obtain();try {_data.writeInterfaceToken(DESCRIPTOR);mRemote.transact(Stub.TRANSACTION_pause, _data, _reply, 0);_reply.readException();} finally {_reply.recycle();_data.recycle();}}@Overridepublic void start() throws android.os.RemoteException {android.os.Parcel _data = android.os.Parcel.obtain();android.os.Parcel _reply = android.os.Parcel.obtain();try {_data.writeInterfaceToken(DESCRIPTOR);mRemote.transact(Stub.TRANSACTION_start, _data, _reply, 0);_reply.readException();} finally {_reply.recycle();_data.recycle();}}@Overridepublic void prev() throws android.os.RemoteException {android.os.Parcel _data = android.os.Parcel.obtain();android.os.Parcel _reply = android.os.Parcel.obtain();try {_data.writeInterfaceToken(DESCRIPTOR);mRemote.transact(Stub.TRANSACTION_prev, _data, _reply, 0);_reply.readException();} finally {_reply.recycle();_data.recycle();}}@Overridepublic void next() throws android.os.RemoteException {android.os.Parcel _data = android.os.Parcel.obtain();android.os.Parcel _reply = android.os.Parcel.obtain();try {_data.writeInterfaceToken(DESCRIPTOR);mRemote.transact(Stub.TRANSACTION_next, _data, _reply, 0);_reply.readException();} finally {_reply.recycle();_data.recycle();}}@Overridepublic void release() throws android.os.RemoteException {android.os.Parcel _data = android.os.Parcel.obtain();android.os.Parcel _reply = android.os.Parcel.obtain();try {_data.writeInterfaceToken(DESCRIPTOR);mRemote.transact(Stub.TRANSACTION_release, _data, _reply, 0);_reply.readException();} finally {_reply.recycle();_data.recycle();}}@Overridepublic boolean isPlaying() throws android.os.RemoteException {android.os.Parcel _data = android.os.Parcel.obtain();android.os.Parcel _reply = android.os.Parcel.obtain();boolean _result;try {_data.writeInterfaceToken(DESCRIPTOR);mRemote.transact(Stub.TRANSACTION_isPlaying, _data, _reply, 0);_reply.readException();_result = (0 != _reply.readInt());} finally {_reply.recycle();_data.recycle();}return _result;}@Overridepublic void seek(int pre_100) throws android.os.RemoteException {android.os.Parcel _data = android.os.Parcel.obtain();android.os.Parcel _reply = android.os.Parcel.obtain();try {_data.writeInterfaceToken(DESCRIPTOR);_data.writeInt(pre_100);mRemote.transact(Stub.TRANSACTION_seek, _data, _reply, 0);_reply.readException();} finally {_reply.recycle();_data.recycle();}}
//加in@Overridepublic void create(java.util.List<java.lang.String> filePaths) throws android.os.RemoteException {android.os.Parcel _data = android.os.Parcel.obtain();android.os.Parcel _reply = android.os.Parcel.obtain();try {_data.writeInterfaceToken(DESCRIPTOR);_data.writeStringList(filePaths);mRemote.transact(Stub.TRANSACTION_create, _data, _reply, 0);_reply.readException();} finally {_reply.recycle();_data.recycle();}}}static final int TRANSACTION_stop = (android.os.IBinder.FIRST_CALL_TRANSACTION + 0);static final int TRANSACTION_pause = (android.os.IBinder.FIRST_CALL_TRANSACTION + 1);static final int TRANSACTION_start = (android.os.IBinder.FIRST_CALL_TRANSACTION + 2);static final int TRANSACTION_prev = (android.os.IBinder.FIRST_CALL_TRANSACTION + 3);static final int TRANSACTION_next = (android.os.IBinder.FIRST_CALL_TRANSACTION + 4);static final int TRANSACTION_release = (android.os.IBinder.FIRST_CALL_TRANSACTION + 5);static final int TRANSACTION_isPlaying = (android.os.IBinder.FIRST_CALL_TRANSACTION + 6);static final int TRANSACTION_seek = (android.os.IBinder.FIRST_CALL_TRANSACTION + 7);static final int TRANSACTION_create = (android.os.IBinder.FIRST_CALL_TRANSACTION + 8);}/*** Demonstrates some basic types that you can use as parameters* and return values in AIDL.*/public void stop() throws android.os.RemoteException;public void pause() throws android.os.RemoteException;public void start() throws android.os.RemoteException;public void prev() throws android.os.RemoteException;public void next() throws android.os.RemoteException;public void release() throws android.os.RemoteException;public boolean isPlaying() throws android.os.RemoteException;public void seek(int pre_100) throws android.os.RemoteException;
//加inpublic void create(java.util.List<java.lang.String> filePaths) throws android.os.RemoteException;
}