需求描述
进程A调起第三方进程B进行第三方登录 – 实现双向通信
代码（进程A）
1.目录结构
2.LoginActivity.java
public class LoginActivity extends AppCompatActivity {
private ILoginInterface iLogin;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initService();
}
private void initService() {
// 绑定进程B中的服务
Intent intent = new Intent();
intent.setAction("ACTION_B");
intent.setPackage("com.example.processs");
bindService(intent, conn, BIND_AUTO_CREATE);
}
private ServiceConnection conn = new ServiceConnection() {
@Override
public void onServiceConnected(ComponentName name, IBinder service) {
// 获取到进程B中的binder对象
iLogin = ILoginInterface.Stub.asInterface(service);
}
@Override
public void onServiceDisconnected(ComponentName name) {
}
};
/**
* 去登录
*
* @param view
*/
public void goLogin(View view) {
try {
if (iLogin != null) {
iLogin.login();
} else {
Toast.makeText(this, "未安装第三方应用啊~", Toast.LENGTH_SHORT).show();
}
} catch (RemoteException e) {
e.printStackTrace();
}
}
@Override
protected void onDestroy() {
super.onDestroy();
if (iLogin != null) {
unbindService(conn);
}
}
}
对应界面
3. ILoginInterface.aidl
// ILoginInterface.aidl
package com.example.process;
// Declare any non-default types here with import statements
interface ILoginInterface {
void login();
void loginCallback(int loginStatus, String loginUser);
}
4.LoginService.java 用于进程B登录回调的Service
public class LoginService extends Service {
@Nullable
@Override
public IBinder onBind(Intent intent) {
// 该Binder对象返回给进程B来回调
return new ILoginInterface.Stub() {
@Override
public void login() throws RemoteException {
}
@Override
public void loginCallback(int loginStatus, String loginUser) throws RemoteException {
Log.d("lichaojun123>>>", "loginCallback: " loginStatus " : " loginUser);
}
};
}
}
5.AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
package="com.example.processc">
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity android:name="com.example.process.LoginActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<service android:name="com.example.process.LoginService"
android:enabled="true" // 是否可以被系统实例化
android:exported="true" // 是否可以被其他进程隐式调用
android:process=":remote_a">
<intent-filter>
<action android:name="ACTION_A"/>
</intent-filter>
</service>
</application>
</manifest>
代码（进程B）
1.目录结构
2.LoginActivity.java
public class LoginActivity extends AppCompatActivity {
private EditText etName;
private EditText etPwd;
private ILoginInterface iLogin;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
etName = findViewById(R.id.et_name);
etPwd = findViewById(R.id.et_pwd);
initService();
}
private void initService() {
// 绑定进程A中的服务
Intent intent = new Intent();
intent.setAction("ACTION_A");
intent.setPackage("com.example.processc");
bindService(intent, conn, BIND_AUTO_CREATE);
}
private ServiceConnection conn = new ServiceConnection() {
@Override
public void onServiceConnected(ComponentName name, IBinder service) {
iLogin = ILoginInterface.Stub.asInterface(service);
}
@Override
public void onServiceDisconnected(ComponentName name) {
}
};
// 去登录
public void go_login(View view) {
if (etName.getText().toString().trim().equals("lcj")
&& etPwd.getText().toString().trim().equals("123")) {
try {
if (iLogin != null) {
// 登录成功后，通知客户端进程
iLogin.loginCallback(1, "登录成功");
finish();
}
} catch (RemoteException e) {
e.printStackTrace();
}
} else {
Toast.makeText(this, "登录失败", Toast.LENGTH_SHORT).show();
}
}
@Override
protected void onDestroy() {
super.onDestroy();
if (iLogin != null) {
unbindService(conn);
}
}
}
对应界面
3. ILoginInterface.aidl (与进程A相同)
4. LoginService.java 用于进程A调用的Service
public class LoginService extends Service {
@Nullable
@Override
public IBinder onBind(Intent intent) {
return new ILoginInterface.Stub() {
@Override
public void login() throws RemoteException {
execLogin();
}
@Override
public void loginCallback(int loginStatus, String loginUser) throws RemoteException {
}
};
}
private void execLogin() {
// 调起登录页面
Intent intent = new Intent(this, LoginActivity.class);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(intent);
}
}
5.AndroidManifest.xml
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity android:name=".LoginActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<service android:name=".LoginService"
android:enabled="true"
android:exported="true"
android:process=":remote_b">
<intent-filter>
<action android:name="ACTION_B"/>
</intent-filter>
</service>
</application>
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