#06 백그라운드

AndMainActivity.java

// ... import 생략

public class MainActivity3 extends AppCompatActivity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main3);
        ConstraintLayout c = (ConstraintLayout) findViewById(R.id.main3);
        ResultReceiver mRecevier = new ResultReceiver(new Handler()){
            @Override
            protected void onReceiveResult(int resultCode, Bundle resultData) {
                super.onReceiveResult(resultCode, resultData);
                Log.d("DOY", resultData.getString("key"));
            }
        };
        Button backButton = new Button(this.getApplicationContext());
        backButton.setText("백그라운드 서비스(HTTP)");
        final Intent intent = new Intent(this, MyIntentService.class);
        intent.putExtra("INTENT_KEY_RECEIVER",mRecevier);
        View.OnClickListener backButtonListener = new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Log.d("DOY", "CLICK?");
                startService(intent);
            }
        };
        backButton.setOnClickListener(backButtonListener);
        c.addView(backButton);
    }
}