android interface service,Android Service的思考（4）

最新推荐文章于 2021-07-14 17:59:08 发布

转载最新推荐文章于 2021-07-14 17:59:08 发布 · 239 阅读

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该博客内容展示了Android中一个名为IMusicService的接口定义，主要用于控制音乐播放。接口包含了play、pause和stop三个方法，用于播放、暂停和停止音乐播放。此外，还详细描述了接口的实现类Stub及其实现的onTransact方法，用于处理 Binder 通信。

/**

* IMusicService.aidl

* com.androidtest.service.mediaplayer

* Function： TODO

* ver date author

* ──────────────────────────────────

* 2011-5-19 Leon

package com.androidtest.service.mediaplayer;

/**

* ClassName:IMusicService

* Function: TODO ADD FUNCTION

* Reason: TODO ADD REASON

* @author Leon

* @version

* @since Ver 1.1

* @Date 2011-5-19

interface IMusicService{

void play();

void pause();

void stop();

}

* This file is auto-generated. DO NOT MODIFY.

* Original file: D:\\Backup\\�ҵ��ĵ�\\Dropbox\\investment\\A8\\workspace\\androidtest\\src\\com\\androidtest\\service\\mediaplayer\\IMusicService.aidl

package com.androidtest.service.mediaplayer;

/**

* ClassName:IMusicService Function: TODO ADD FUNCTION Reason: TODO ADD REASON

* @author Leon

* @version

* @since Ver 1.1

* @Date 2011-5-19

public interface IMusicService extends android.os.IInterface {

/** Local-side IPC implementation stub class. */

public static abstract class Stub extends android.os.Binder implements

com.androidtest.service.mediaplayer.IMusicService {

private static final java.lang.StringDESCRIPTOR="com.androidtest.service.mediaplayer.IMusicService";

/** Construct the stub at attach it to the interface. */

public Stub() {

this.attachInterface(this, DESCRIPTOR);

}

/**

* Cast an IBinder object into an

* com.androidtest.service.mediaplayer.IMusicService interface,

* generating a proxy if needed.

public static com.androidtest.service.mediaplayer.IMusicService asInterface(

android.os.IBinder obj) {

if ((obj== null)) {

return null;

}

android.os.IInterfaceiin= (android.os.IInterface) obj

.queryLocalInterface(DESCRIPTOR);

if (((iin != null) && (iin instanceof com.androidtest.service.mediaplayer.IMusicService))) {

return ((com.androidtest.service.mediaplayer.IMusicService) iin);

}

return new com.androidtest.service.mediaplayer.IMusicService.Stub.Proxy(

obj);

}

public android.os.IBinder asBinder() {

return this;

}

@Override

public boolean onTransact(int code, android.os.Parcel data,

android.os.Parcel reply, int flags)

throws android.os.RemoteException {

switch (code) {

case INTERFACE_TRANSACTION: {

reply.writeString(DESCRIPTOR);

return true;

}

case TRANSACTION_play: {

data.enforceInterface(DESCRIPTOR);

this.play();

reply.writeNoException();

return true;

}

case TRANSACTION_pause: {

data.enforceInterface(DESCRIPTOR);

this.pause();

reply.writeNoException();

return true;

}

case TRANSACTION_stop: {

data.enforceInterface(DESCRIPTOR);

this.stop();

reply.writeNoException();

return true;

}

return super.onTransact(code, data, reply, flags);

}

private static class Proxy implements

com.androidtest.service.mediaplayer.IMusicService {

private android.os.IBinder mRemote;

Proxy(android.os.IBinder remote) {

mRemote=remote;

}

public android.os.IBinder asBinder() {

return mRemote;

}

public java.lang.String getInterfaceDescriptor() {

return DESCRIPTOR;

}

public void play() 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_play, _data, _reply, 0);

_reply.readException();

} finally {

_reply.recycle();

_data.recycle();

}

public 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();

}

public 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();

}

static final intTRANSACTION_play= (android.os.IBinder.FIRST_CALL_TRANSACTION + 0);

static final intTRANSACTION_pause= (android.os.IBinder.FIRST_CALL_TRANSACTION + 1);

static final intTRANSACTION_stop= (android.os.IBinder.FIRST_CALL_TRANSACTION + 2);

}

public void play() throws android.os.RemoteException;

public void pause() throws android.os.RemoteException;

public void stop() throws android.os.RemoteException;

}