├── .gitignore
├── .idea
├── gradle.xml
├── misc.xml
├── modules.xml
├── runConfigurations.xml
└── vcs.xml
├── README.md
├── app
├── .gitignore
├── build.gradle
├── proguard-rules.pro
└── src
│ ├── androidTest
│ └── java
│ │ └── com
│ │ └── baronzhang
│ │ └── ipc
│ │ └── ExampleInstrumentedTest.java
│ ├── main
│ ├── AndroidManifest.xml
│ ├── java
│ │ └── com
│ │ │ └── baronzhang
│ │ │ └── ipc
│ │ │ ├── Book.java
│ │ │ ├── client
│ │ │ └── ClientActivity.java
│ │ │ ├── proxy
│ │ │ └── Proxy.java
│ │ │ └── server
│ │ │ ├── BookManager.java
│ │ │ ├── RemoteService.java
│ │ │ └── Stub.java
│ └── res
│ │ ├── drawable-v24
│ │ └── ic_launcher_foreground.xml
│ │ ├── drawable
│ │ └── ic_launcher_background.xml
│ │ ├── layout
│ │ └── activity_client.xml
│ │ ├── mipmap-anydpi-v26
│ │ ├── ic_launcher.xml
│ │ └── ic_launcher_round.xml
│ │ ├── mipmap-hdpi
│ │ ├── ic_launcher.png
│ │ └── ic_launcher_round.png
│ │ ├── mipmap-mdpi
│ │ ├── ic_launcher.png
│ │ └── ic_launcher_round.png
│ │ ├── mipmap-xhdpi
│ │ ├── ic_launcher.png
│ │ └── ic_launcher_round.png
│ │ ├── mipmap-xxhdpi
│ │ ├── ic_launcher.png
│ │ └── ic_launcher_round.png
│ │ ├── mipmap-xxxhdpi
│ │ ├── ic_launcher.png
│ │ └── ic_launcher_round.png
│ │ └── values
│ │ ├── colors.xml
│ │ ├── strings.xml
│ │ └── styles.xml
│ └── test
│ └── java
│ └── com
│ └── baronzhang
│ └── ipc
│ └── ExampleUnitTest.java
├── build.gradle
├── gradle.properties
├── gradle
└── wrapper
│ ├── gradle-wrapper.jar
│ └── gradle-wrapper.properties
├── gradlew
├── gradlew.bat
└── settings.gradle
/.gitignore:
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1 | *.iml
2 | .gradle
3 | /local.properties
4 | /.idea/workspace.xml
5 | /.idea/libraries
6 | .DS_Store
7 | /build
8 | /captures
9 | .externalNativeBuild
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/.idea/misc.xml:
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/.idea/runConfigurations.xml:
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/.idea/vcs.xml:
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/README.md:
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1 | # HelloBinder
2 |
3 | 推荐阅读：
4 |
5 | * [写给 Android 应用工程师的 Binder 原理剖析](https://mp.weixin.qq.com/s?__biz=MzU4ODM2MjczNA==&mid=2247483735&idx=1&sn=202bcc94cc581d91e77728afe674fdfe&chksm=fddca7d6caab2ec0c1a08e25dc1acf5aaf257365f64d5c50c37aae4ead919fdbc11062575f9f&scene=38#wechat_redirect)
6 |
7 |
8 |
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/app/.gitignore:
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1 | /build
2 |
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/app/build.gradle:
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1 | apply plugin: 'com.android.application'
2 |
3 | android {
4 | compileSdkVersion 26
5 | defaultConfig {
6 | applicationId "com.baronzhang.ipc"
7 | minSdkVersion 15
8 | targetSdkVersion 26
9 | versionCode 1
10 | versionName "1.0"
11 | testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
12 | }
13 | buildTypes {
14 | release {
15 | minifyEnabled false
16 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
17 | }
18 | }
19 | }
20 |
21 | dependencies {
22 | implementation fileTree(dir: 'libs', include: ['*.jar'])
23 | implementation 'com.android.support:appcompat-v7:26.1.0'
24 | implementation 'com.android.support.constraint:constraint-layout:1.0.2'
25 | testImplementation 'junit:junit:4.12'
26 | androidTestImplementation 'com.android.support.test:runner:1.0.1'
27 | androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
28 | }
29 |
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/app/proguard-rules.pro:
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1 | # Add project specific ProGuard rules here.
2 | # You can control the set of applied configuration files using the
3 | # proguardFiles setting in build.gradle.
4 | #
5 | # For more details, see
6 | # http://developer.android.com/guide/developing/tools/proguard.html
7 |
8 | # If your project uses WebView with JS, uncomment the following
9 | # and specify the fully qualified class name to the JavaScript interface
10 | # class:
11 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
12 | # public *;
13 | #}
14 |
15 | # Uncomment this to preserve the line number information for
16 | # debugging stack traces.
17 | #-keepattributes SourceFile,LineNumberTable
18 |
19 | # If you keep the line number information, uncomment this to
20 | # hide the original source file name.
21 | #-renamesourcefileattribute SourceFile
22 |
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/app/src/androidTest/java/com/baronzhang/ipc/ExampleInstrumentedTest.java:
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1 | package com.baronzhang.ipc;
2 |
3 | import android.content.Context;
4 | import android.support.test.InstrumentationRegistry;
5 | import android.support.test.runner.AndroidJUnit4;
6 |
7 | import org.junit.Test;
8 | import org.junit.runner.RunWith;
9 |
10 | import static org.junit.Assert.*;
11 |
12 | /**
13 | * Instrumented test, which will execute on an Android device.
14 | *
15 | * @see Testing documentation
16 | */
17 | @RunWith(AndroidJUnit4.class)
18 | public class ExampleInstrumentedTest {
19 | @Test
20 | public void useAppContext() throws Exception {
21 | // Context of the app under test.
22 | Context appContext = InstrumentationRegistry.getTargetContext();
23 |
24 | assertEquals("com.baronzhang.ipc", appContext.getPackageName());
25 | }
26 | }
27 |
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/app/src/main/AndroidManifest.xml:
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/app/src/main/java/com/baronzhang/ipc/Book.java:
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1 | package com.baronzhang.ipc;
2 |
3 | import android.os.Parcel;
4 | import android.os.Parcelable;
5 |
6 | /**
7 | * @author baronzhang (baron[dot]zhanglei[at]gmail[dot]com)
8 | * 2017/10/17
9 | */
10 | public class Book implements Parcelable {
11 |
12 | private int price;
13 | private String name;
14 |
15 | public int getPrice() {
16 | return price;
17 | }
18 |
19 | public void setPrice(int price) {
20 | this.price = price;
21 | }
22 |
23 | public String getName() {
24 | return name;
25 | }
26 |
27 | public void setName(String name) {
28 | this.name = name;
29 | }
30 |
31 | @Override
32 | public int describeContents() {
33 | return 0;
34 | }
35 |
36 | @Override
37 | public void writeToParcel(Parcel dest, int flags) {
38 | dest.writeInt(this.price);
39 | dest.writeString(this.name);
40 | }
41 |
42 | public Book() {
43 | }
44 |
45 | protected Book(Parcel in) {
46 | this.price = in.readInt();
47 | this.name = in.readString();
48 | }
49 |
50 | public static final Creator CREATOR = new Creator() {
51 | @Override
52 | public Book createFromParcel(Parcel source) {
53 | return new Book(source);
54 | }
55 |
56 | @Override
57 | public Book[] newArray(int size) {
58 | return new Book[size];
59 | }
60 | };
61 |
62 | @Override
63 | public String toString() {
64 | return "Book{" +
65 | "price=" + price +
66 | ", name='" + name + '\'' +
67 | '}';
68 | }
69 | }
70 |
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/app/src/main/java/com/baronzhang/ipc/client/ClientActivity.java:
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1 | package com.baronzhang.ipc.client;
2 |
3 | import android.content.ComponentName;
4 | import android.content.Context;
5 | import android.content.Intent;
6 | import android.content.ServiceConnection;
7 | import android.os.IBinder;
8 | import android.os.RemoteException;
9 | import android.support.v7.app.AppCompatActivity;
10 | import android.os.Bundle;
11 | import android.util.Log;
12 | import android.view.View;
13 | import android.widget.Button;
14 |
15 | import com.baronzhang.ipc.Book;
16 | import com.baronzhang.ipc.R;
17 | import com.baronzhang.ipc.server.BookManager;
18 | import com.baronzhang.ipc.server.RemoteService;
19 | import com.baronzhang.ipc.server.Stub;
20 |
21 | import java.util.List;
22 |
23 | public class ClientActivity extends AppCompatActivity {
24 |
25 | private BookManager bookManager;
26 | private boolean isConnection = false;
27 |
28 | @Override
29 | protected void onCreate(Bundle savedInstanceState) {
30 | super.onCreate(savedInstanceState);
31 | setContentView(R.layout.activity_client);
32 |
33 | Button btn = findViewById(R.id.btn);
34 | btn.setOnClickListener(new View.OnClickListener() {
35 | @Override
36 | public void onClick(View view) {
37 | if (!isConnection) {
38 | attemptToBindService();
39 | return;
40 | }
41 |
42 | if (bookManager == null)
43 | return;
44 |
45 | try {
46 | Book book = new Book();
47 | book.setPrice(101);
48 | book.setName("编码");
49 | bookManager.addBook(book);
50 |
51 | Log.d("ClientActivity", bookManager.getBooks().toString());
52 | } catch (RemoteException e) {
53 | e.printStackTrace();
54 | }
55 |
56 | }
57 | });
58 | }
59 |
60 | private void attemptToBindService() {
61 |
62 | Intent intent = new Intent(this, RemoteService.class);
63 | intent.setAction("com.baronzhang.ipc.server");
64 | bindService(intent, serviceConnection, Context.BIND_AUTO_CREATE);
65 | }
66 |
67 | private ServiceConnection serviceConnection = new ServiceConnection() {
68 | @Override
69 | public void onServiceConnected(ComponentName name, IBinder service) {
70 | isConnection = true;
71 | bookManager = Stub.asInterface(service);
72 | if (bookManager != null) {
73 | try {
74 | List books = bookManager.getBooks();
75 | Log.d("ClientActivity", books.toString());
76 | } catch (RemoteException e) {
77 | e.printStackTrace();
78 | }
79 | }
80 | }
81 |
82 | @Override
83 | public void onServiceDisconnected(ComponentName name) {
84 | isConnection = false;
85 | }
86 | };
87 |
88 | @Override
89 | protected void onStart() {
90 | super.onStart();
91 | if (!isConnection) {
92 | attemptToBindService();
93 | }
94 | }
95 |
96 | @Override
97 | protected void onStop() {
98 | super.onStop();
99 | if (isConnection) {
100 | unbindService(serviceConnection);
101 | }
102 | }
103 | }
104 |
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/app/src/main/java/com/baronzhang/ipc/proxy/Proxy.java:
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1 | package com.baronzhang.ipc.proxy;
2 |
3 | import android.os.IBinder;
4 | import android.os.Parcel;
5 | import android.os.RemoteException;
6 |
7 | import com.baronzhang.ipc.Book;
8 | import com.baronzhang.ipc.server.BookManager;
9 | import com.baronzhang.ipc.server.Stub;
10 |
11 | import java.util.List;
12 |
13 | /**
14 | * @author baronzhang (baron[dot]zhanglei[at]gmail[dot]com)
15 | * 05/01/2018
16 | */
17 | public class Proxy implements BookManager {
18 |
19 | private static final String DESCRIPTOR = "com.baronzhang.ipc.server.BookManager";
20 |
21 | private IBinder remote;
22 |
23 | public Proxy(IBinder remote) {
24 |
25 | this.remote = remote;
26 | }
27 |
28 | public String getInterfaceDescriptor() {
29 | return DESCRIPTOR;
30 | }
31 |
32 | @Override
33 | public List getBooks() throws RemoteException {
34 | Parcel data = Parcel.obtain();
35 | Parcel replay = Parcel.obtain();
36 | List result;
37 |
38 | try {
39 | data.writeInterfaceToken(DESCRIPTOR);
40 | remote.transact(Stub.TRANSAVTION_getBooks, data, replay, 0);
41 | replay.readException();
42 | result = replay.createTypedArrayList(Book.CREATOR);
43 | } finally {
44 | replay.recycle();
45 | data.recycle();
46 | }
47 | return result;
48 | }
49 |
50 | @Override
51 | public void addBook(Book book) throws RemoteException {
52 |
53 | Parcel data = Parcel.obtain();
54 | Parcel replay = Parcel.obtain();
55 |
56 | try {
57 | data.writeInterfaceToken(DESCRIPTOR);
58 | if (book != null) {
59 | data.writeInt(1);
60 | book.writeToParcel(data, 0);
61 | } else {
62 | data.writeInt(0);
63 | }
64 | remote.transact(Stub.TRANSAVTION_addBook, data, replay, 0);
65 | replay.readException();
66 | } finally {
67 | replay.recycle();
68 | data.recycle();
69 | }
70 | }
71 |
72 | @Override
73 | public IBinder asBinder() {
74 | return remote;
75 | }
76 | }
77 |
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/app/src/main/java/com/baronzhang/ipc/server/BookManager.java:
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1 | package com.baronzhang.ipc.server;
2 |
3 | import android.os.IInterface;
4 | import android.os.RemoteException;
5 |
6 | import com.baronzhang.ipc.Book;
7 |
8 | import java.util.List;
9 |
10 | /**
11 | * 这个类用来定义服务端 RemoteService 具备什么样的能力
12 | *
13 | * @author baronzhang (baron[dot]zhanglei[at]gmail[dot]com)
14 | * 05/01/2018
15 | */
16 | public interface BookManager extends IInterface {
17 |
18 | List getBooks() throws RemoteException;
19 |
20 | void addBook(Book book) throws RemoteException;
21 | }
22 |
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/app/src/main/java/com/baronzhang/ipc/server/RemoteService.java:
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1 | package com.baronzhang.ipc.server;
2 |
3 | import android.app.Service;
4 | import android.content.Intent;
5 | import android.os.IBinder;
6 | import android.os.RemoteException;
7 | import android.util.Log;
8 |
9 | import com.baronzhang.ipc.Book;
10 |
11 | import java.util.ArrayList;
12 | import java.util.List;
13 |
14 | public class RemoteService extends Service {
15 |
16 | private List books = new ArrayList<>();
17 |
18 | public RemoteService() {
19 | }
20 |
21 | @Override
22 | public void onCreate() {
23 | super.onCreate();
24 |
25 | Book book = new Book();
26 | book.setName("三体");
27 | book.setPrice(88);
28 | books.add(book);
29 | }
30 |
31 | @Override
32 | public IBinder onBind(Intent intent) {
33 | return bookManager;
34 | }
35 |
36 | private final Stub bookManager = new Stub() {
37 | @Override
38 | public List getBooks() throws RemoteException {
39 | synchronized (this) {
40 | if (books != null) {
41 | return books;
42 | }
43 | return new ArrayList<>();
44 | }
45 | }
46 |
47 | @Override
48 | public void addBook(Book book) throws RemoteException {
49 | synchronized (this) {
50 | if (books == null) {
51 | books = new ArrayList<>();
52 | }
53 |
54 | if (book == null)
55 | return;
56 |
57 | book.setPrice(book.getPrice() * 2);
58 | books.add(book);
59 |
60 | Log.e("Server", "books: " + book.toString());
61 | }
62 | }
63 | };
64 | }
65 |
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/app/src/main/java/com/baronzhang/ipc/server/Stub.java:
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1 | package com.baronzhang.ipc.server;
2 |
3 | import android.os.Binder;
4 | import android.os.IBinder;
5 | import android.os.IInterface;
6 | import android.os.Parcel;
7 | import android.os.RemoteException;
8 |
9 | import com.baronzhang.ipc.Book;
10 | import com.baronzhang.ipc.proxy.Proxy;
11 |
12 | import java.util.List;
13 |
14 | /**
15 | * @author baronzhang (baron[dot]zhanglei[at]gmail[dot]com)
16 | * 05/01/2018
17 | */
18 | public abstract class Stub extends Binder implements BookManager {
19 |
20 | private static final String DESCRIPTOR = "com.baronzhang.ipc.server.BookManager";
21 |
22 | public Stub() {
23 | this.attachInterface(this, DESCRIPTOR);
24 | }
25 |
26 | public static BookManager asInterface(IBinder binder) {
27 | if (binder == null)
28 | return null;
29 | IInterface iin = binder.queryLocalInterface(DESCRIPTOR);
30 | if (iin != null && iin instanceof BookManager)
31 | return (BookManager) iin;
32 | return new Proxy(binder);
33 | }
34 |
35 | @Override
36 | public IBinder asBinder() {
37 | return this;
38 | }
39 |
40 | @Override
41 | protected boolean onTransact(int code, Parcel data, Parcel reply, int flags) throws RemoteException {
42 | switch (code) {
43 |
44 | case INTERFACE_TRANSACTION:
45 | reply.writeString(DESCRIPTOR);
46 | return true;
47 |
48 | case TRANSAVTION_getBooks:
49 | data.enforceInterface(DESCRIPTOR);
50 | List result = this.getBooks();
51 | reply.writeNoException();
52 | reply.writeTypedList(result);
53 | return true;
54 |
55 | case TRANSAVTION_addBook:
56 | data.enforceInterface(DESCRIPTOR);
57 | Book arg0 = null;
58 | if (data.readInt() != 0) {
59 | arg0 = Book.CREATOR.createFromParcel(data);
60 | }
61 | this.addBook(arg0);
62 | reply.writeNoException();
63 | return true;
64 |
65 | }
66 | return super.onTransact(code, data, reply, flags);
67 | }
68 |
69 | public static final int TRANSAVTION_getBooks = IBinder.FIRST_CALL_TRANSACTION;
70 | public static final int TRANSAVTION_addBook = IBinder.FIRST_CALL_TRANSACTION + 1;
71 | }
72 |
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/app/src/main/res/drawable-v24/ic_launcher_foreground.xml:
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