S E S K İ >>> blog: 2015

27 Aralık 2015 Pazar

Android, URL adresinden text dosya okumak

new Thread() {
            @Override
            public void run() {
                String path ="http://host.com/info.txt";
                URL u = null;
                try {
                    u = new URL(path);
                    HttpURLConnection c = (HttpURLConnection) u.openConnection();
                    c.setRequestMethod("GET");
                    c.connect();
                    InputStream in = c.getInputStream();
                    final ByteArrayOutputStream bo = new ByteArrayOutputStream();
                    byte[] buffer = new byte[1024];
                    in.read(buffer); // Read from Buffer.
                    bo.write(buffer); // Write Into Buffer.

                    runOnUiThread(new Runnable() {
                        @Override
                        public void run() {
                            TextView text = (TextView) findViewById(R.id.TextView1);
                            text.setText(bo.toString());
                            try {
                                bo.close();
                            } catch (IOException e) {
                                e.printStackTrace();
                            }
                        }
                    });

                } catch (MalformedURLException e) {
                    e.printStackTrace();
                } catch (ProtocolException e) {
                    e.printStackTrace();
                } catch (IOException e) {
                    e.printStackTrace();
                }

            }
        }.start();

25 Mayıs 2015 Pazartesi

AppInventor ile IOIO LDR Analog Voltaj Okuma :

AppInventor ile IOIO LDR Analog Voltaj Okuma :

Devre :

Ekran Tasarımı :

Blok Diyagram :

Çıktı :

Ön Bilgi için örnek : App Inventor ile IOIO kullanımı

11 Mayıs 2015 Pazartesi

IOIO LDR Analog Voltaj Okuma

IOIO LDR Analog Voltaj Okuma :

AndroidManifest.xml :

<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.BLUETOOTH" />

MainActivity.java :

public class MainActivity extends IOIOActivity {
    ToggleButton button_;
    TextView tv_;

    @Override    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        button_ = (ToggleButton) findViewById(R.id.toggleButton);
        tv_ = (TextView) findViewById(R.id.textView2);
    }
    class Looper extends BaseIOIOLooper {
        private DigitalOutput led_;
        private AnalogInput a_in;
        @Override        
        protected void setup() throws ConnectionLostException {
            led_ = ioio_.openDigitalOutput(0, true);
            a_in = ioio_.openAnalogInput(40);
        }
        @Override        
        public void loop() throws ConnectionLostException, InterruptedException {
            led_.write(!button_.isChecked());
            runOnUiThread(new Runnable() {
                @Override                public void run() {
                    try {
                        tv_.setText(String.format("%f", a_in.getVoltage()));
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    } catch (ConnectionLostException e) {
                        e.printStackTrace();
                    }
                }
            });
        }
    }
    protected IOIOLooper createIOIOLooper() {
        return new Looper();
    }
}