2011-09-14-gdd-2011-devquiz-android_sample_activity.java

// import は省略
public class MainActivity extends Activity {
    TextView mTextView;
    Button mButton;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        mTextView = (TextView) findViewById(R.id.hello);
        mButton = (Button) findViewById(R.id.startservice);
        // ボタンにリスナーを設定
        mButton.setOnClickListener(new startClickListener());
    }

    // リスナー
    public class startClickListener implements View.OnClickListener {
        @Override
        public void onClick(View v) {
            // bindService()をコール
            serviceConnect();
        }
    }

    public void serviceConnect() {
        // public abstract boolean bindService (Intent service, ServiceConnection conn, int flags)
        bindService(new Intent(com.google.android.apps.gddquiz.IQuizService.class.getName()), // Intent
                conn, // ServiceConnection
                BIND_AUTO_CREATE); // int:automatically create the service as long as the binding exists.
    }

    // 以下はServiceにバインドするとき、バインドして何がしたいのかの設定
    IQuizService mQuizService;
    Boolean mStartedService = false;
    private ServiceConnection conn = new ServiceConnection() {
        @Override
        public void onServiceConnected(ComponentName name, IBinder service) {
            Log.d("ServiceConnection", "onServiceConnected Start");
            mQuizService = com.google.android.apps.gddquiz.IQuizService.Stub.asInterface(service);
            mStartedService = true;
            getStringInQuizService();
        }

        @Override
        public void onServiceDisconnected(ComponentName name) {
            mQuizService = null;
            mStartedService = false;
        }
    };

    public void getStringInQuizService() {
        super.onResume();
        if (mQuizService != null) {
            try {
                String ans = mQuizService.getCode().toString();
                mTextView.setText((String) ans);
                Log.d("AnsCode", ans); // 答えをLogCatに出力
                //Toast.makeText(this, ans, Toast.LENGTH_LONG).show(); // 先にToast表示したけど、コピペできないじゃん。。。
            } catch (RemoteException e) {
            }
        }
    }
}