出现此问题是因为在Android 12中,HIDL的数量限制增加到了500,超过该限制会引起上述错误。因此,可以使用AIDL来代替HIDL。
以下是示例代码,演示如何将HIDL接口转换为AIDL接口:
1.首先,将HIDL接口转换为AIDL接口,创建相应的AIDL文件:
// MyService.aidl
package com.example.myservice;
interface MyService {
void foo();
}
2.创建一个Java类来实现AIDL接口:
// MyServiceImpl.java
public class MyServiceImpl extends Binder implements MyService {
@Override
public void foo() {
// Implement the service logic here.
}
}
3.将AIDL接口注册到系统服务中:
// MyService.java
public class MyService extends Service {
private final MyServiceImpl mBinder = new MyServiceImpl();
@Override
public IBinder onBind(Intent intent) {
return mBinder;
}
}
4.将服务注册到AndroidManifest.xml中:
5.在客户端使用AIDL:
// MyServiceConnection.java
public class MyServiceConnection implements ServiceConnection {
private MyService mService;
@Override
public void onServiceConnected(ComponentName name, IBinder service) {
mService = MyService.Stub.asInterface(service);
mService.foo(); // Call the service method.
}
@Override
public void onServiceDisconnected(ComponentName name) {
mService = null;
}
}
通过上述步骤,可以将HIDL接口转换为AIDL接口,并避免Android 12中发生