Category : methods

decibelChart.postDelayed(new Runnable() { @Override public void run() { int chartValue; decibelChart.setNoDataText("Drawing Decibel Chart Error !"); decibelChart.setDragEnabled(false); decibelChart.setScaleEnabled(false); decibelChart.setDrawGridBackground(false); decibelChart.setPinchZoom(false); decibelChart.setBackgroundColor(Color.TRANSPARENT); decibelChart.setData(lineData); if (mediaRecorderForDB != null) { chartValue = mediaRecorderForDB.getMaxAmplitude(); } else if (mediaRecorder != null) { chartValue = mediaRecorder.getMaxAmplitude(); } else chartValue = 0; LineData myData = decibelChart.getData(); if (myData != null) { ILineDataSet set ..

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@override Widget build(BuildContext context) { return FutureBuilder( future: postsRef .document(userId) .collection("usersPosts") .document(postId) .get(), builder: (context, snapshot) { if (!snapshot.hasData) { return circularProgress(); } Post post = Post.fromDocument(snapshot.data); return Center( child: Scaffold( appBar: header(context, titleText: post.description), body: ListView( children: [ Container( child: post, ) ], ), ), ); }, ); } also this my error The ..

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I have tried to create a class that make a specific calculation. The variables shall be taken from Main Activity and result shall be taken from class and a text field shall be set by an on-click method in Main Activity. However from the error message I understand that app is crashed because on-click method ..

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I used ResponseBody from the okhttp3 package and retrofit to make a post-request to my webserver from Android. To send data back (it’s a login system), I tried to create a method to get the data (webserver(php)->app(java in Android Studio)) in a file called ApiResponse.java: @SerializedName("status") private String status; public String getStatus() { return status; ..

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The application should count the moments of inertia and moments of resistance of the profiles, and output the value of the selected profile in the TextView. Application work: The user enters the value of loads, deflection, length Selects the required profile via radoiButton Clicks on the "Execute calculation" button The application reads and displays the ..

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i am trying to call a method in string from sharedpreference but when i am calling i am facing method invocation getText may produce ‘nullpointerexception’ warning public class RetrofitClient { Sharedpreference sharedpreference; private final String token = sharedpreference.getTEXT(); following is my sharedpreference code from where i am calling my method getText where i returning a ..

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