Android Automotive是为车载嵌入式系统设计的Android操作系统版本,而Android Auto是连接手机与车载娱乐系统的应用程序。手机版Android是标准的Android操作系统,可以在智能手机等移动设备上运行。
下面是一些基本代码示例,演示如何在Android应用程序中实现相应的功能:
//在车载娱乐系统上运行Android Automotive示例代码: public class MainActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); } }
//连接车载娱乐系统与手机Android Auto示例代码: public class MainActivity extends Activity implements ConnectionCallbacks, OnConnectionFailedListener { private GoogleApiClient mGoogleApiClient;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//建立Google API客户端连接
mGoogleApiClient = new GoogleApiClient.Builder(this)
.addApi(Places.GEO_DATA_API)
.addApi(Places.PLACE_DETECTION_API)
.addConnectionCallbacks(this)
.addOnConnectionFailedListener(this)
.build();
}
@Override
public void onConnected(Bundle bundle) {
//连接成功后执行相关操作
}
@Override
public void onConnectionSuspended(int i) {
//连接挂起时执行相关操作
}
@Override
public void onConnectionFailed(ConnectionResult connectionResult) {
//连接失败时执行相关操作
}
}
//在智能手机等移动设备上运行标准的Android示例代码: public class MainActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); } }