day15
IntentService
main
public class MainActivity extends AppCompatActivity {
private Intent receiver;
private MyReceiver myReceiver;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
IntentFilter intentFilter = new IntentFilter();
intentFilter.addAction("day15");
myReceiver = new MyReceiver();
registerReceiver(myReceiver, intentFilter);
receiver=new Intent(this,MyIntentService.class);
startService(receiver);
}
@Override
protected void onDestroy() {
super.onDestroy();
unregisterReceiver(myReceiver);
stopService(receiver);
}
}
MyService
public class MyService extends Service {
public MyService() {
}
@Override
public void onCreate() {
super.onCreate();
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
Notification.Builder builder = new Notification.Builder(this);
builder.setSmallIcon(R.mipmap.ic_launcher);
builder.setContentTitle("标题");
RemoteViews views = new RemoteViews(getPackageName(),R.layout.item);
builder.setCustomContentView(views);
Notification build = builder.build();
startForeground(10,build);
return super.onStartCommand(intent, flags, startId);
}
@Override
public void onDestroy() {
super.onDestroy();
}
@Override
public IBinder onBind(Intent intent) {
// TODO: Return the communication channel to the service.
throw new UnsupportedOperationException("Not yet implemented");
}
}
MyReceiver
public class MyReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if(action.equals("day15")){
Bundle bundle = intent.getExtras();
String json = bundle.getString("json", "");
Toast.makeText(context, json, Toast.LENGTH_SHORT).show();
}
}
}
MyIntentService
public class MyIntentService extends IntentService {
// TODO: Rename actions, choose action names that describe tasks that this
// IntentService can perform, e.g. ACTION_FETCH_NEW_ITEMS
private static final String ACTION_FOO = "com.example.day15.action.FOO";
private static final String ACTION_BAZ = "com.example.day15.action.BAZ";
// TODO: Rename parameters
private static final String EXTRA_PARAM1 = "com.example.day15.extra.PARAM1";
private static final String EXTRA_PARAM2 = "com.example.day15.extra.PARAM2";
public MyIntentService() {
super("MyIntentService");
}
/** * Starts this service to perform action Foo with the given parameters. If * the service is already performing a task this action will be queued. * * @see IntentService */
// TODO: Customize helper method
public static void startActionFoo(Context context, String param1, String param2) {
Intent intent = new Intent(context, MyIntentService.class);
intent.setAction(ACTION_FOO);
intent.putExtra(EXTRA_PARAM1, param1);
intent.putExtra(EXTRA_PARAM2, param2);
context.startService(intent);
}
/** * Starts this service to perform action Baz with the given parameters. If * the service is already performing a task this action will be queued. * * @see IntentService */
// TODO: Customize helper method
public static void startActionBaz(Context context, String param1, String param2) {
Intent intent = new Intent(context, MyIntentService.class);
intent.setAction(ACTION_BAZ);
intent.putExtra(EXTRA_PARAM1, param1);
intent.putExtra(EXTRA_PARAM2, param2);
context.startService(intent);
}
@Override
protected void onHandleIntent(Intent intent) {
StringBuffer sb=new StringBuffer();
InputStream stream=null;
HttpURLConnection connection=null;
try {
URL url = new URL("http://www.qubaobei.com/ios/cf/dish_list.php?stage_id=1&limit=20&page=1");
connection = (HttpURLConnection) url.openConnection();
connection.setRequestMethod("GET");
connection.setConnectTimeout(5000);
connection.setReadTimeout(5000);
if(connection.getResponseCode()==200){
stream = connection.getInputStream();
byte[] b = new byte[1024];
int len=0;
while ((len=stream.read(b))!=-1){
sb.append(new String(b,0,len));
}
Intent intent1 = new Intent();
intent1.setAction("day15");
Bundle bundle = new Bundle();
bundle.putString("json",sb.toString());
intent1.putExtras(bundle);
sendBroadcast(intent1);
}
} catch (Exception e) {
e.printStackTrace();
}finally{
if(stream!=null){
try {
stream.close();
} catch (IOException e) {
e.printStackTrace();
}
}
if(connection!=null){
connection.disconnect();
}
}
}
/** * Handle action Foo in the provided background thread with the provided * parameters. */
private void handleActionFoo(String param1, String param2) {
// TODO: Handle action Foo
throw new UnsupportedOperationException("Not yet implemented");
}
/** * Handle action Baz in the provided background thread with the provided * parameters. */
private void handleActionBaz(String param1, String param2) {
// TODO: Handle action Baz
throw new UnsupportedOperationException("Not yet implemented");
}
}
aidl
server
aidlService
public class aidlService extends Service {
public aidlService() {
}
IBinder iBinder=new IMyAidlInterface.Stub() {
@Override
public int add(int a, int b) throws RemoteException {
return a+b;
}
};
@Override
public IBinder onBind(Intent intent) {
return iBinder;
}
}
IMyAidlInterface
interface IMyAidlInterface {
/** * Demonstrates some basic types that you can use as parameters * and return values in AIDL. */
int add(int a,int b);
}
client
main
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ServiceConnection connection = new ServiceConnection() {
@Override
public void onServiceConnected(ComponentName name, IBinder service) {
IMyAidlInterface anInterface = IMyAidlInterface.Stub.asInterface(service);
try {
int i = anInterface.add(6, 6);
Toast.makeText(MainActivity.this, i+"", Toast.LENGTH_SHORT).show();
} catch (RemoteException e) {
e.printStackTrace();
}
}
@Override
public void onServiceDisconnected(ComponentName name) {
}
};
Intent aidl = new Intent().setAction("aidl");
aidl.setPackage("com.example.aidl_server");
bindService(aidl,connection,BIND_AUTO_CREATE);
}
}
