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InterfaceLoader

license version

  • InterfaceLoader是Android跨进程接口调用框架,可以完美替代Android AIDL
  • 史上最好用的Android跨进程接口调用框架
  • 新增service-fetcher,可以链式连接service和调用方法,并帮你处理重连、掉线等问题

为什么要用InterfaceLoader

  1. 因为不想用AIDL!
  2. 因为不想用AIDL!!
  3. 因为不想用AIDL!!!

干掉难用的AIDL,InterfaceLoader就是这么爽:smirk:

InterfaceLoader的原理和亮点

总的来说,分为两个库:interface-loader和service-fetcher,可单独使用interface-loader,也可一起使用

interface-loader

  • 主要解决了跨进程方法调用的问题
  • 封装了跨进程通信需要的打包和拆包,让跨进程接口调用更好用
  • 相对AIDL:
    • AIDL的跨进程通信是一种典型的代理模式,由.aidl文件生成client端的proxy和server端的binder,但是我觉得生成的代码总觉得看起来很别扭,也很难用。
    • 所以interface-loader使用动态代理代替了AIDl的代码生成,非常巧妙。不仅减少了生成的代码,也让跨进程通信的使用体验更接近普通的接口调用,这就是interface-loader的奇妙之处。

service-fetcher

  • 主要解决了连接远程服务的问题
  • 链式处理服务连接和接口调用
  • 封装和处理了服务掉线、重连等异常场景

在工程中引用

interface-loader

Via Gradle:

implementation 'com.jeremyliao:interface-loader:0.0.1'

service-fetcher

Via Gradle:

implementation 'com.jeremyliao:service-fetcher-rxjava2:0.0.1'
  • 注意:service-fetcher依赖了rxjava2

快速开始

定义接口

public interface IXXX {
    ...
}

接口的实现和启动服务

  1. 定义Android Service
  2. 在onBind方法中调用InterfaceService.newService:
InterfaceService.newService()

client端接口调用

  1. 定义Activity
  2. 通过bindService获取IBinder
  3. 通过InterfaceLoader.getService调用接口的方法
InterfaceLoader.getService()

完整示例

我们以一个加减乘法的接口调用来说明这个示例

接口定义

public interface ILoaderDemo {

    int plus(int a, int b);

    int minus(int a, int b);

    int multi(int a, int b);
}

接口实现和启动服务

定义一个service:

public class LoaderDemoService extends Service {

    public static final String ACTION = "intent.action.loader";


    @Override
    public void onCreate() {
        super.onCreate();
    }

    @Override
    public void onDestroy() {
        super.onDestroy();
    }

    @Override
    public IBinder onBind(Intent intent) {
        return InterfaceService.newService(ILoaderDemo.class, new ILoaderDemo() {
            @Override
            public int plus(int a, int b) {
                return a + b;
            }

            @Override
            public int minus(int a, int b) {
                return a - b;
            }

            @Override
            public int multi(int a, int b) {
                return a * b;
            }
        });
    }
}
  1. 关键点是在onBind中调用InterfaceService.newService
  2. 当然还需要在androidManifests中注册服务

连接服务和接口调用

用ServiceFetcher连接服务
Intent intent = new Intent(LoaderDemoService.ACTION);
intent.setPackage(getPackageName());
serviceFetcher = new ServiceFetcher(this, intent);
serviceFetcher.bindService();
用ServiceFetcher链式的连接服务
用InterfaceLoader调用接口
disposable.add(serviceFetcher.getService()
        .map(new Function<IBinder, Integer>() {
            @Override
            public Integer apply(IBinder binder) throws Exception {
                return InterfaceLoader.getService(ILoaderDemo.class, binder)
                        .plus(10, 20);
            }
        })
        .map(new Function<Integer, String>() {
            @Override
            public String apply(Integer result) throws Exception {
                return "result: " + result;
            }
        })
        .subscribe(new Consumer<String>() {
            @Override
            public void accept(String result) throws Exception {
                binding.tvContent.setText(result);
            }
        }));
别忘了activity退出的时候断开连接
serviceFetcher.unbindService();
完整的客服端代码
public class MainActivity extends AppCompatActivity {

    ActivityMainBinding binding;
    ServiceFetcher serviceFetcher;
    final CompositeDisposable disposable = new CompositeDisposable();

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        binding = DataBindingUtil.setContentView(this, R.layout.activity_main);
        binding.setHandler(this);
        binding.setLifecycleOwner(this);
        Intent intent = new Intent(LoaderDemoService.ACTION);
        intent.setPackage(getPackageName());
        serviceFetcher = new ServiceFetcher(this, intent);
        serviceFetcher.bindService();
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        serviceFetcher.unbindService();
        if (!disposable.isDisposed()) {
            disposable.dispose();
        }
    }

    public void remotePlus() {
        disposable.add(serviceFetcher.getService()
                .map(new Function<IBinder, Integer>() {
                    @Override
                    public Integer apply(IBinder binder) throws Exception {
                        return InterfaceLoader.getService(ILoaderDemo.class, binder)
                                .plus(10, 20);
                    }
                })
                .map(new Function<Integer, String>() {
                    @Override
                    public String apply(Integer result) throws Exception {
                        return "result: " + result;
                    }
                })
                .subscribe(new Consumer<String>() {
                    @Override
                    public void accept(String result) throws Exception {
                        binding.tvContent.setText(result);
                    }
                }));
    }

    public void remoteMinus() {
        disposable.add(serviceFetcher.getService()
                .map(new Function<IBinder, Integer>() {
                    @Override
                    public Integer apply(IBinder binder) throws Exception {
                        return InterfaceLoader.getService(ILoaderDemo.class, binder)
                                .minus(10, 20);
                    }
                })
                .map(new Function<Integer, String>() {
                    @Override
                    public String apply(Integer result) throws Exception {
                        return "result: " + result;
                    }
                })
                .subscribe(new Consumer<String>() {
                    @Override
                    public void accept(String result) throws Exception {
                        binding.tvContent.setText(result);
                    }
                }));
    }

    public void remoteMulti() {
        disposable.add(serviceFetcher.getService()
                .map(new Function<IBinder, Integer>() {
                    @Override
                    public Integer apply(IBinder binder) throws Exception {
                        return InterfaceLoader.getService(ILoaderDemo.class, binder)
                                .multi(10, 20);
                    }
                })
                .map(new Function<Integer, String>() {
                    @Override
                    public String apply(Integer result) throws Exception {
                        return "result: " + result;
                    }
                })
                .subscribe(new Consumer<String>() {
                    @Override
                    public void accept(String result) throws Exception {
                        binding.tvContent.setText(result);
                    }
                }));
    }
}

示例代码直达

妈妈再也不用担心我使用AIDL了:sunglasses::sunglasses:

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