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AIDL是 Android
Interface definition language的缩写,它是一种Android内部进程通信接口的描述语言,通过它我们可以定义进程间的通信接口
1.继承Service
public class PushService extends Service{
@Nullable
@Override
public IBinder onBind(Intent intent) {
return null;
}
@Override
public boolean onUnbind(Intent intent) {
return super.onUnbind(intent);
}
}
2.在AndroidManifest.xml里注册
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="name.quanke.aidldemo">
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:name=".App"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN"/>
<category android:name="android.intent.category.LAUNCHER"/>
</intent-filter>
</activity>
<service
android:name=".PushService"
android:enabled="true"
android:process=":push"
android:exported="true">
</service>
</application>
</manifest>
|
interface IHandler {
void connect();
}aidl生成后的样子public class PushClient {
private IHandler iHandler;
private static PushClient instance = new PushClient();
public static PushClient getInstance() {
return instance;
}
public void init(Application app){
Intent binderIntent = new Intent(app,PushService.class);
app.bindService(binderIntent, serviceConnection, Context.BIND_AUTO_CREATE);
}
private ServiceConnection serviceConnection = new ServiceConnection() {
@Override
public void onServiceConnected(ComponentName name, IBinder service) {
iHandler = IHandler.Stub.asInterface(service);
//连接成功调用
}
@Override
public void onServiceDisconnected(ComponentName name) {
//断开连接调用
}
};
//通过AIDL远程调用
public void connect(){
try {
iHandler.connect();
} catch (RemoteException e) {
e.printStackTrace();
}
}
}public class LibHandler extends IHandler.Stub{
@Override
public void connect() throws RemoteException {
}
@Override
public IBinder asBinder() {
return null;
}
}public class MainActivity extends AppCompatActivity implements View.OnClickListener {
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
init();
}
private void init() {
findViewById(R.id.aidl_test).setOnClickListener(this);
}
@Override
public void onClick(View view) {
PushClient.getInstance().connect();
}
}public class Message implements Parcelable {
private long id;
private String content;
public long getId() {
return id;
}
public void setId(long id) {
this.id = id;
}
public String getContent() {
return content;
}
public void setContent(String content) {
this.content = content;
}
@Override
public String toString() {
return "Message{" +
"id=" + id +
", content='" + content + '\'' +
'}';
}
@Override
public int describeContents() {
return 0;
}
@Override
public void writeToParcel(Parcel dest, int flags) {
dest.writeLong(this.id);
dest.writeString(this.content);
}
protected Message(Parcel in) {
this.id = in.readLong();
this.content = in.readString();
}
public static final Creator<Message> CREATOR = new Creator<Message>() {
@Override
public Message createFromParcel(Parcel source) {
return new Message(source);
}
@Override
public Message[] newArray(int size) {
return new Message[size];
}
};
}interface IHandler {
void connect();
void sendMessage(Message message);
}sendMessage方法的message参数是纯粹的输入参数—这意味着是从客户端到服务器的数据,你需要在AIDL声明:void sendMessage(in Message message);如果
sendMessage方法的message参数是纯粹的输出-这意味着它的数据是通过从服务器到客户端,使用:void sendMessage(out Message message);如果
sendMessage方法的message参数是输入也是输出-客户端的值在服务可能会修改,使用:void sendMessage(inout Message message);我们这里是客户端范围服务端的数据,所以用in
interface IHandler {
void connect();
void sendMessage(in Message message);
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原文地址:http://blog.csdn.net/xiangzhihong8/article/details/52106386