WeatherStationActivity.java

WeatherStationActivity.java

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        Log.d(TAG, "Weather Station Started");

        try {
            mDisplay = RainbowHat.openDisplay();
            mDisplay.setEnabled(true);
            mDisplay.display("OK  ");
            Log.d(TAG, "Initialized I2C Display");
        } catch (IOException e) {
            throw new RuntimeException("Error initializing display", e);
        }

        try {
            if(ledstrip != null)
            {
                ledstrip.close();
            }
        } catch (IOException e) {
            Log.d(TAG,e.toString());
        }

        final FirebaseDatabase database = FirebaseDatabase.getInstance();

        final DatabaseReference reference = database.getReference("googlehome").child("word");
        reference.addValueEventListener(new ValueEventListener() {
            @Override
            public void onDataChange(DataSnapshot dataSnapshot) {
                String str = dataSnapshot.getValue(String.class);
                if (TextUtils.equals(str, "party")) {
                    try {
                        int[] rainbow = new int[7];

                        ledstrip = RainbowHat.openLedStrip();
                        ledstrip.setBrightness(1);

                        for (int i = 0; i < rainbow.length; i++) {
                            rainbow[i] = Color.HSVToColor(255, new float[]{i * 360.f / rainbow.length, 1.0f, 1.0f});
                        }
                        ledstrip.write(rainbow);

                    } catch (IOException e) {
                        Log.d(TAG,e.toString());
                    }
                    Log.d("party!", str);
                }
            }

            @Override
            public void onCancelled(DatabaseError databaseError) {}
        });
    }
}