import com.sinch.android.rtc.SinchClient; //导入依赖的package包/类
@Override
public void onClientFailed(SinchClient client, SinchError error) {
    broadcastIntent.putExtra("success", false);
    broadcaster.sendBroadcast(broadcastIntent);

    sinchClient = null;
}
 

import com.sinch.android.rtc.SinchClient; //导入依赖的package包/类
@Override
public void onClientStarted(SinchClient client) {
    broadcastIntent.putExtra("success", true);
    broadcaster.sendBroadcast(broadcastIntent);

    client.startListeningOnActiveConnection();
    messageClient = client.getMessageClient();
}
 

import com.sinch.android.rtc.SinchClient; //导入依赖的package包/类
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_call);

    final SinchClient sinchClient = Sinch.getSinchClientBuilder()
        .context(this)
        .userId("current-user-id")
        .applicationKey("key")
        .applicationSecret("secret")
        .environmentHost("sandbox.sinch.com")
        .build();

    sinchClient.setSupportCalling(true);
    sinchClient.start();

    callState = (TextView) findViewById(R.id.callState);
    callButton = (Button) findViewById(R.id.callButton);

    callButton.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            if (call == null) {
                call = sinchClient.getCallClient().callPhoneNumber("+46000000000");
                call.addCallListener(new SinchCallListener());
                callButton.setText("Hang Up");
            } else {
                call.hangup();
            }
        }
    });
}
 

import com.sinch.android.rtc.SinchClient; //导入依赖的package包/类
public static SinchClient retrieveSinchClient()
{
    return sinchClient;
}
 

import com.sinch.android.rtc.SinchClient; //导入依赖的package包/类
@Override
public void onClientStopped(SinchClient client) {
    sinchClient = null;
}
 

import com.sinch.android.rtc.SinchClient; //导入依赖的package包/类
@Override
public void onRegistrationCredentialsRequired(SinchClient client, ClientRegistration clientRegistration) {
}
 

import com.sinch.android.rtc.SinchClient; //导入依赖的package包/类
@Override
public void onClientFailed(SinchClient client, SinchError error) {
    sinchClient = null;
}
 

import com.sinch.android.rtc.SinchClient; //导入依赖的package包/类
@Override
public void onClientStarted(SinchClient client) {
    client.startListeningOnActiveConnection();
    messageClient = client.getMessageClient();
}
 

import com.sinch.android.rtc.SinchClient; //导入依赖的package包/类
@Override
public void onRegistrationCredentialsRequired(SinchClient client, ClientRegistration clientRegistration) {}