I searched for it and found the answer.

1- you can use **F2** and **SHIFT+F2** shortcut to navigate between errors in your document. if there is no error you will be navigated to the warnings.

2- another way that most of us know is to click on the red areas on the scrollbar.

[here is the the link to the **intelliJ IDEA** help documents][1] which is the base of **Android Studio**.


you can even press **F2** in project window of Android Studio and it will select the files containing errors.

Also if there are no more errors it will point to warnings.

  [1]: https://www.jetbrains.com/help/idea/2016.2/navigating-to-next-previous-error.html

**F2** is shortcut key to jump on next error line in java file. 
**SHIFT+F2** shortcut to navigate between errors in your document. if there is no error you will be navigated to the warnings.


I have another approach, Make Project by press(Ctrl-F9), you can find the errors in Gradle Console(if error exists), just click the red messages will bring you to the error of line directly. 

You can use below shortcuts for compilation errors:

- Moving to next / previous highlighted error: `F2`/`Shift + F2`

- Show descriptions of error at caret: `Ctrl + F1`

None of the above solutions worked for me. 

A work-around in windows I use is ALT+N+N (Menu ➔ N̲avigate ➔ N̲ext Highlighted Error).

You can also assign a shortcut for **Next Highlighted Error** in Keymap.

I have a Jupyter notebook that I plan to run repeatedly. It has functions in it, the structure of the code is this:

    def construct_url(data):
        ...
        return url

    def scrape_url(url):
        ... # fetch url, extract data
        return parsed_data

    for i in mylist: 
        url = construct_url(i)
        data = scrape_url(url)
        ... #&#160;use the data to do analysis

I&#39;d like to write tests for `construct_url` and `scrape_url`. What&#39;s the most sensible way to do this?

Some approaches I&#39;ve considered:

 - Move the functions out into a utility file, and write tests for that utility file in some standard Python testing library. Possibly the best option, though it means that not all of the code is visible in the notebook.
 - Write asserts within the notebook itself, using test data (adds noise to the notebook).
 - Use specialised Jupyter testing to test the content of the cells (don&#39;t think this works, because the content of the cells is going to change). 


Unit tests for functions in a Jupyter notebook?

Is there a vscode key binding for &quot;goto next search result on the search results pane&quot;?

I could not find it in the keybindings json or on http://code.visualstudio.com/docs/customization/keybindings, but the descriptions are not always that great and I might have missed it!

vscode key binding for &quot;goto next search result on the search results pane&quot;?

How can I navigate to the error lines in a java file? 

Isn&#39;t there any better way than scrolling to them?

How to navigate to error lines in Android Studio by shortcut?

<p>How can I navigate to the error lines in a java file?</p>
<p>Isn't there any better way than scrolling to them?</p>


After updating Android Studio to version 2.2 (on Windows 10) and somehow next morning I received such error when gradle built on any project: 

&gt;  Write access is allowed from event dispatch thread only

Despite that gradlew -build command worked and completed successfully. 
I tried typical Android dev&#39;s of WTF repairing set: clean build, invalidate caches, removing build folders, removing .gradle folder, tried different gradle settings, even reinstalling Android Studio and nothing helped.

I&#39;ve created this question only to share my experience with community, because I wasted two hours on it. 

Gradle error: Write access is allowed from event dispatch thread only in Android Studio

I have followed this [link](https://firebase.google.com/docs/admob/android/quick-start) to integrate ads in my app. But it shows this error:

![error image][1]

This is my build.gradle:

    apply plugin: &#39;com.android.application&#39;
    apply plugin: &#39;com.google.gms.google-services&#39;
    android {
    compileSdkVersion 24
    buildToolsVersion &quot;24.0.2&quot;





    defaultConfig {
        applicationId &quot;com.example.personal.numbermania&quot;
        minSdkVersion 10
        targetSdkVersion 24
        versionCode 1
        versionName &quot;1.0&quot;
    }
    buildTypes {
        debug
                {
                    debuggable true
                }
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile(&#39;proguard-android.txt&#39;), &#39;proguard-rules.pro&#39;
        }
    }


    dependencies {
        compile fileTree(include: [&#39;*.jar&#39;], dir: &#39;libs&#39;)
        testCompile &#39;junit:junit:4.12&#39;
        compile &#39;com.android.support:appcompat-v7:24.2.1&#39;
        compile &#39;com.android.support:design:24.2.1&#39;
        compile &#39;com.google.firebase:firebase-ads:9.6.0&#39;

    }

    }

ads are not showing up in real device.please help me
This is my error after i updated classpath 
[error ][2]


  [1]: http://i.stack.imgur.com/V1RZN.png
  [2]: http://i.stack.imgur.com/XY6JO.png

Plugin with id &#39;com.google.gms.google-services&#39; not found

I&#39;m developing an app that requires user to select date(dd/mm/yyyy).
I want to show a dialog box with DatePicker on button click.
once date is selected it must show in EditText.

I&#39;m using Android Studio 2.2, project with min sdk is 23.

Kindly help me to do required code.

How to show DatePickerDialog on Button click?

What is this error ? How can I fix this? My app is running but can&#39;t load data. And this is my Error: Use JsonReader.setLenient(true) to accept malformed JSON at line 1 column 1 path $ 

This is my fragment : 

    public class news extends Fragment {


    private RecyclerView recyclerView;
    private ArrayList&lt;Deatails&gt; data;
    private DataAdapter adapter;
    private View myFragmentView;



    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {

        myFragmentView = inflater.inflate(R.layout.news, container, false);
        initViews();
        return myFragmentView;

    }


    private void initViews() {
        recyclerView = (RecyclerView) myFragmentView.findViewById(R.id.card_recycler_view);
        RecyclerView.LayoutManager layoutManager = new LinearLayoutManager(getActivity().getApplicationContext());
        recyclerView.setHasFixedSize(true);
        recyclerView.setLayoutManager(layoutManager);
        data = new ArrayList&lt;Deatails&gt;();
        adapter = new DataAdapter(getActivity(), data);
        recyclerView.setAdapter(adapter);

        new Thread()
        {
            public void run()
            {
                getActivity().runOnUiThread(new Runnable() {
                    @Override
                    public void run() {
                        loadJSON();
                    }
                });

            }
        }
        .start();
    }

    private void loadJSON() {
        if (isNetworkConnected()){

            HttpLoggingInterceptor interceptor = new HttpLoggingInterceptor();
            interceptor.setLevel(HttpLoggingInterceptor.Level.BODY);
            OkHttpClient client = new OkHttpClient.Builder()
                    .addInterceptor(interceptor)
                    .retryOnConnectionFailure(true)
                    .connectTimeout(15, TimeUnit.SECONDS)
                    .build();

            Gson gson = new GsonBuilder()
                    .setLenient()
                    .create();
            
            Retrofit retrofit = new Retrofit.Builder()
                    .baseUrl(&quot;http://www.memaraneha.ir/&quot;)
                    .client(client)
                    .addConverterFactory(GsonConverterFactory.create(gson))
                    .build();
            
            RequestInterface request = retrofit.create(RequestInterface.class);
            Call&lt;JSONResponse&gt; call = request.getJSON();
            final ProgressDialog progressDialog = new ProgressDialog(getActivity());
            progressDialog.show();
            call.enqueue(new Callback&lt;JSONResponse&gt;() {
                @Override
                public void onResponse(Call&lt;JSONResponse&gt; call, Response&lt;JSONResponse&gt; response) {
                    progressDialog.dismiss();
                    JSONResponse jsonResponse = response.body();
                    data.addAll(Arrays.asList(jsonResponse.getAndroid()));
                    adapter.notifyDataSetChanged();
                }
                @Override
                public void onFailure(Call&lt;JSONResponse&gt; call, Throwable t) {
                    progressDialog.dismiss();
                    Log.d(&quot;Error&quot;, t.getMessage());
                }
            });
        }
        else {
            Toast.makeText(getActivity().getApplicationContext(), &quot;Internet is disconnected&quot;, Toast.LENGTH_LONG).show();}
    }
    private boolean isNetworkConnected() {
        ConnectivityManager cm = (ConnectivityManager) getActivity().getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo ni = cm.getActiveNetworkInfo();
        if (ni == null) {
            // There are no active networks.
            return false;
        } else
            return true;
    }
    }

RequestInterface :

    public interface RequestInterface {

    @GET(&quot;Erfan/news.php&quot;)
    Call&lt;JSONResponse&gt; getJSON();
    }

[![a][1]][1]


  [1]: https://i.stack.imgur.com/QQaa8.jpg










UPDATE  (read below text and find your problem)
----------------------------------------------

 - most of the time, this error isn&#39;t about your json but it could be a 
incorrect http request such as a missing or a incorrect header, first check your request with postman to verify the servers response and servers response headers. if nothing is wrong then the error mostly came from your programmed http request, also it could because the servers response is not json (in some cases response could be html).



Use JsonReader.setLenient(true) to accept malformed JSON at line 1 column 1 path $

I am trying to make a database via 000webhost.com. I keep getting this message showing in the event log whenever I run the app from android studio. Does anyone knows how to solve this problem? Much appreciated! 

No Network Security Config specified, using platform default - Android Log

How to select multiple places in code in Android Studio ?

I want to insert the same text in multiple places in my source code. Like a have more than one mouse cursor. I used to do it in VS2012 so easily though not sure how to do it in Android Studio ?

How to select multiple places (sublime) in code in Android Studio?

I have already seen [this][1] question.
But that&#39;s for Mac OS. I am using windows. Every time I create a new project or try to `build/rebuild` the project it  freezes!! I have  installed the latest version(9/10/2016). But things are getting worse. I want to completely remove it and install it as if I would be installing it for the first time. Any help be Appreciated. 

  [1]: https://stackoverflow.com/questions/17625622/how-to-completely-uninstall-android-studio?noredirect=1&amp;lq=1

How to completely uninstall Android Studio from windows(v10)?

I have an app which I am compiling against API level 21:
[![enter image description here][1]][1]


and then debug it on a real device with API level 23:

[![enter image description here][2]][2]

The problem is when I try debugging through the Android OS&#39;s own classes, I get &#39;Source code does not match the bytecode&#39;. Why is this happening? The test device the app is running on is API level 23, and the source file being debugged is level 23 as well.
[![*enter image description here*][3]][3]

I am really confused. Can anyone explain why I am seeing this message and how I can fix it?


  [1]: https://i.stack.imgur.com/jv1qz.png
  [2]: https://i.stack.imgur.com/yhZpK.png
  [3]: https://i.stack.imgur.com/trwgp.png

Content Type	Original Author	Original Content on Stackoverflow
Question	Amir Ziarati	View Question on Stackoverflow
Solution 1 - Android	Amir Ziarati	View Answer on Stackoverflow
Solution 2 - Android	The EasyLearn Academy	View Answer on Stackoverflow
Solution 3 - Android	Chris Ho	View Answer on Stackoverflow
Solution 4 - Android	Manishoaham	View Answer on Stackoverflow
Solution 5 - Android	Kishore	View Answer on Stackoverflow

How to navigate to error lines in Android Studio by shortcut?

Android Problem Overview

Android Solutions

Solution 1 - Android

Solution 2 - Android

Solution 3 - Android

Solution 4 - Android

Solution 5 - Android

vscode key binding for "goto next search result on the search results pane"?

Unit tests for functions in a Jupyter notebook?

Attributions