// Monitoring fragment
all code that retrieve sensor data from the thingSpeak website using fragment on android studio
public class MonitoringFragment extends Fragment {
private static final String TAG = "MONITORINGACTIVITY";
private Button Temperature;
private Button Humidity;
private TextView t1;
private TextView t2;
private static TextView t3;
private static final String THINGSPEAK_CHANNEL_ID = "584296";
private static final String THINGSPEAK_API_KEY = "HXCLHZZKAIQGH944"; //GARBAGE KEY
private static final String THINGSPEAK_API_KEY_STRING = "HXCLHZZKAIQGH944";
/* Be sure to use the correct fields for your own app*/
private static final String THINGSPEAK_FIELD1 = "field1";
private static final String THINGSPEAK_FIELD2 = "field2";
private static final String THINGSPEAK_UPDATE_URL = "https://api.thingspeak.com/update?";
private static final String THINGSPEAK_CHANNEL_URL = "https://api.thingspeak.com/channels/";
private static final String THINGSPEAK_FEEDS_LAST = "/feeds/last?";
private ThingSpeakChannel tsChannel;
private ThingSpeakLineChart tsChart;
private LineChartView chartView;
public MonitoringFragment() {
// Required empty public constructor
}
@Nullable
@Override
public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View v = inflater.inflate(R.layout.fragment_monitoring, container, false);
t1=(TextView)v.findViewById(R.id.tempNumber);
t2=(TextView)v.findViewById(R.id.humidNumber);
Temperature = (Button) v.findViewById(R.id.btnTemperature);
Humidity = (Button) v.findViewById(R.id.btnHumidity);
Temperature.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
v.findViewById(R.id.TemperatureLayout).setVisibility(View.VISIBLE);
v.findViewById(R.id.HumidityLayout).setVisibility(View.GONE);
final LineChartView chartView = (LineChartView) v.findViewById(R.id.TempChart);
tsChart = new ThingSpeakLineChart(584296, 1);
tsChart.setListener(new ThingSpeakLineChart.ChartDataUpdateListener() {
@Override
public void onChartDataUpdated(long channelId, int fieldId, String title, LineChartData lineChartData, Viewport maxViewport, Viewport initialViewport) {
//Calendar calendar = Calendar.getInstance();
//calendar.add(Calendar.MINUTE, -5);
tsChart.setNumberOfEntries(200);
// Set value axis labels on 10-unit interval
tsChart.setValueAxisLabelInterval(10);
// Set date axis labels on 5-minute interval
tsChart.setDateAxisLabelInterval(1);
// Show the line as a cubic spline
tsChart.useSpline(true);
// Set the line color
tsChart.setLineColor(Color.parseColor("#D32F2F"));
// Set the axis color
tsChart.setAxisColor(Color.parseColor("#455a64"));
// Set the starting date (5 minutes ago) for the default viewport of the chart
//tsChart.setChartStartDate(calendar.getTime());
chartView.setLineChartData(lineChartData);
chartView.setMaximumViewport(maxViewport);
chartView.setCurrentViewport(initialViewport);
}
});
tsChart.loadChartData();
try {
new FetchThingspeakTempTask().execute();
}
catch(Exception e){
Log.e("ERROR", e.getMessage(), e);
}
}
});
Humidity.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
v.findViewById(R.id.HumidityLayout).setVisibility(View.VISIBLE);
v.findViewById(R.id.TemperatureLayout).setVisibility(View.GONE);
final LineChartView chartView = (LineChartView) v.findViewById(R.id.HumidChart);
tsChart = new ThingSpeakLineChart(584296, 2);
tsChart.setListener(new ThingSpeakLineChart.ChartDataUpdateListener() {
@Override
public void onChartDataUpdated(long channelId, int fieldId, String title, LineChartData lineChartData, Viewport maxViewport, Viewport initialViewport) {
//Calendar calendar = Calendar.getInstance();
//calendar.add(Calendar.MINUTE, -5);
tsChart.setNumberOfEntries(200);
// Set value axis labels on 10-unit interval
tsChart.setValueAxisLabelInterval(10);
// Set date axis labels on 5-minute interval
tsChart.setDateAxisLabelInterval(1);
// Show the line as a cubic spline
tsChart.useSpline(true);
// Set the line color
tsChart.setLineColor(Color.parseColor("#056604"));
// Set the axis color
tsChart.setAxisColor(Color.parseColor("#455a64"));
// Set the starting date (5 minutes ago) for the default viewport of the chart
//tsChart.setChartStartDate(calendar.getTime());
chartView.setLineChartData(lineChartData);
chartView.setMaximumViewport(maxViewport);
chartView.setCurrentViewport(initialViewport);
}
});
tsChart.loadChartData();
try {
new FetchThingspeakHumidTask().execute();
}
catch(Exception e){
Log.e("ERROR", e.getMessage(), e);
}
}
});
return v;
}
public class FetchThingspeakTempTask extends AsyncTask<Void, Void, String> {
protected void onPreExecute() {
t1.setText("Fetching Data from Server.Please Wait...");
}
protected String doInBackground(Void... urls) {
try {
URL url = new URL(THINGSPEAK_CHANNEL_URL + THINGSPEAK_CHANNEL_ID +
THINGSPEAK_FEEDS_LAST + THINGSPEAK_API_KEY_STRING + "=" +
THINGSPEAK_API_KEY + "");
HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
try {
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(urlConnection.getInputStream()));
StringBuilder stringBuilder = new StringBuilder();
String line;
while ((line = bufferedReader.readLine()) != null) {
stringBuilder.append(line).append("\n");
}
bufferedReader.close();
return stringBuilder.toString();
}
finally{
urlConnection.disconnect();
}
}
catch(Exception e) {
Log.e("ERROR", e.getMessage(), e);
return null;
}
}
protected void onPostExecute(String response) {
if(response == null) {
Toast.makeText(getActivity(), "There was an error", Toast.LENGTH_SHORT).show();
return;
}
try {
JSONObject channel = (JSONObject) new JSONTokener(response).nextValue();
double v1 = channel.getDouble(THINGSPEAK_FIELD1);
String field1 = Double.toString(v1);
t1.setText(field1);
} catch (JSONException e) {
e.printStackTrace();
}
}
}
public class FetchThingspeakHumidTask extends AsyncTask<Void, Void, String> {
protected void onPreExecute() {
t2.setText("Fetching Data from Server.Please Wait...");
}
protected String doInBackground(Void... urls) {
try {
URL url = new URL(THINGSPEAK_CHANNEL_URL + THINGSPEAK_CHANNEL_ID +
THINGSPEAK_FEEDS_LAST + THINGSPEAK_API_KEY_STRING + "=" +
THINGSPEAK_API_KEY + "");
HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
try {
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(urlConnection.getInputStream()));
StringBuilder stringBuilder = new StringBuilder();
String line;
while ((line = bufferedReader.readLine()) != null) {
stringBuilder.append(line).append("\n");
}
bufferedReader.close();
return stringBuilder.toString();
}
finally{
urlConnection.disconnect();
}
}
catch(Exception e) {
Log.e("ERROR", e.getMessage(), e);
return null;
}
}
protected void onPostExecute(String response) {
if(response == null) {
Toast.makeText(getActivity(), "There was an error", Toast.LENGTH_SHORT).show();
return;
}
try {
JSONObject channel = (JSONObject) new JSONTokener(response).nextValue();
double v2 = channel.getDouble(THINGSPEAK_FIELD2);
String field2 = Double.toString(v2);
t2.setText(field2);
} catch (JSONException e) {
e.printStackTrace();
}
}
}
// fragment_monitorong.xml
fragment layout, android studio,
<android.support.constraint.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.example.mymonitoring.MonitoringFragment">
<fragment
android:id="@+id/fragment"
android:name="com.example.mymonitoring.MonitoringFragment"
android:layout_width="match_parent"
android:layout_height="match_parent">
</fragment>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_anchor="@+id/fragment"
app:layout_anchorGravity="top|center">
<RelativeLayout
android:id="@+id/statsLayoutToolbar"
android:layout_width="match_parent"
android:layout_height="50dp"
android:background="@color/colorOrange">
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar_stats"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:titleTextColor="@color/colorWhite">
</android.support.v7.widget.Toolbar>
</RelativeLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@+id/statsLayoutToolbar"
android:orientation="horizontal"
android:weightSum="100">
<Button
android:id="@+id/btnTemperature"
android:layout_width="130dp"
android:layout_height="70dp"
android:layout_gravity="center"
android:layout_weight="0"
android:gravity="center"
android:text="Temperature" />
<Button
android:id="@+id/btnHumidity"
android:layout_width="130dp"
android:layout_height="70dp"
android:layout_gravity="center"
android:layout_weight="0"
android:gravity="center"
android:text="Humidity" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="449dp"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:layout_alignParentTop="true"
android:layout_marginTop="118dp"
android:orientation="vertical">
<RelativeLayout
android:id="@+id/TemperatureLayout"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<include layout="@layout/tempdisplay" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center"
android:orientation="vertical">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="300dp"
android:text="Current Temperature :"
android:textColor="@color/colorBlack" />
<TextView
android:id="@+id/tempNumber"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="........"
android:textColor="@color/colorBlack" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:text="Suggestion:"
android:textColor="@color/colorBlack" />
<TextView
android:id="@+id/suggestionTemp"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="........"
android:textColor="@color/colorBlack" />
</LinearLayout>
</RelativeLayout>
<RelativeLayout
android:id="@+id/HumidityLayout"
android:layout_width="match_parent"
android:layout_height="match_parent">
<include layout="@layout/humiddisplay" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center"
android:orientation="vertical">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="300dp"
android:text="Current Humidity :"
android:textColor="@color/colorBlack" />
<TextView
android:id="@+id/humidNumber"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="........"
android:textColor="@color/colorBlack" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:text="Suggestion:"
android:textColor="@color/colorBlack" />
<TextView
android:id="@+id/suggestionHumid"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="........"
android:textColor="@color/colorBlack" />
</LinearLayout>
</RelativeLayout>
</LinearLayout>
</RelativeLayout>
// My Logcat
when i run, then click on monitoring sub menu, the app will stop and go back to the login layout
10-08 10:37:25.561 2899-2899/com.example.safwan.mymonitoring E/JavaBinder
!!! FAILED BINDER TRANSACTION !!!
10-08 10:37:25.562 2899-2899/com.example.safwan.mymonitoring
E/AndroidRuntime: Error reporting crash
android.os.TransactionTooLargeException
at android.os.BinderProxy.transactNative(Native Method)
at android.os.BinderProxy.transact(Binder.java:496)
at android.app.ActivityManagerProxy.handleApplicationCrash(ActivityManagerNative.java:4164)
at com.android.internal.os.RuntimeInit$UncaughtHandler.uncaughtException(RuntimeInit.java:89)
at java.lang.ThreadGroup.uncaughtException(ThreadGroup.java:693)
at java.lang.ThreadGroup.uncaughtException(ThreadGroup.java:690)
