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• How to trim video in Android after camera capture ?

  2 juillet 2017, par Sathwik Gangisetty

  I have an app that captures images and videos. I’m able to implement cropping picture, but I cannot implement trimming video. I tried using mp4parser and ffmpeg but I cannot make it work. Can anyone suggest any tutorial to do it or please have a look at my mainActivity.java code and suggest me what to do ? I even tried K4LvideoTrimmer but couldn’t make it work as GitHub documentation is not clear.

  Here is my MainActivity.java file.

  package com.example.sathwik.uploadtrail1;
  
  
  
  import java.io.File;
  
  import java.io.IOException;
  
  import java.io.InputStream;
  
  import java.text.SimpleDateFormat;
  
  import java.util.Date;
  
  import java.util.Locale;
  
  import android.app.Activity;
  
  import android.content.Context;
  
  import android.content.DialogInterface;
  
  import android.content.Intent;
  
  import android.content.SharedPreferences;
  
  import android.content.pm.PackageManager;
  
  import android.database.Cursor;
  
  import android.graphics.Color;
  
  import android.graphics.drawable.ColorDrawable;
  
  import android.net.Uri;
  
  import android.os.Bundle;
  
  import android.os.Environment;
  
  import android.provider.MediaStore;
  
  import android.support.annotation.NonNull;
  
  import android.support.v7.app.AppCompatActivity;
  
  import android.util.Log;
  
  import android.view.Menu;
  
  import android.view.MenuItem;
  
  import android.view.View;
  
  import android.widget.Button;
  
  import android.widget.Toast;
  
  
  
  import com.yalantis.ucrop.UCrop;
  
  
  
  import life.knowledge4.videotrimmer.K4LVideoTrimmer;
  
  
  
  import static android.R.attr.path;
  
  
  
  public class MainActivity extends AppCompatActivity {
  
      // LogCat tag
  
      private static final String TAG = MainActivity.class.getSimpleName();
  
      // Camera activity request codes
  
      private static final int CAMERA_CAPTURE_IMAGE_REQUEST_CODE = 100;
  
      private static final int CAMERA_CAPTURE_VIDEO_REQUEST_CODE = 200;
  
      public static final int MEDIA_TYPE_IMAGE = 1;
  
      public static final int MEDIA_TYPE_VIDEO = 2;
  
      final int PIC_CROP = 3;
  
      final int VIDEO_TRIM = 4;
  
      private File outputFile = null;
  
     // public static final int REQUEST_CROP = UCrop.REQUEST_CROP;
  
  
  
      private Uri fileUri; // file url to store image/video
  
     // private Uri fileUriCrop;
  
      private Button btnCapturePicture, btnRecordVideo;
  
  
  
      @Override
  
      protected void onCreate(Bundle savedInstanceState) {
  
          super.onCreate(savedInstanceState);
  
          setContentView(R.layout.activity_main);
  
  
  
          // Changing action bar background color
  
  
  
          //getActionBar().setBackgroundDrawable(new ColorDrawable(Color.parseColor(getResources().getString(R.color.action_bar))));
  
          btnCapturePicture = (Button) findViewById(R.id.btnCapturePicture);
  
          btnRecordVideo = (Button) findViewById(R.id.btnRecordVideo);
  
  
  
          /**
  
          * Capture image button click event
  
          */
  
          btnCapturePicture.setOnClickListener(new View.OnClickListener() {
  
          @Override
  
          public void onClick(View v) {
  
  
  
              captureImage();
  
           }
  
          });
  
          /**
  
            Record video button click event
  
           */
  
          btnRecordVideo.setOnClickListener(new View.OnClickListener() {
  
              @Override
  
              public void onClick(View v) {
  
              // record video
  
              recordVideo();
  
              }
  
              });
  
          // Checking camera availability
  
          if (!isDeviceSupportCamera()) {
  
          Toast.makeText(getApplicationContext(),
  
          "Sorry! Your device doesn't support camera",
  
          Toast.LENGTH_LONG).show();
  
          // will close the app if the device does't have camera
  
          finish();
  
          }
  
          }
  
      /**
  
        checking device has camera hardware or not
  
         */
  
      private boolean isDeviceSupportCamera() {
  
      if (getApplicationContext().getPackageManager().hasSystemFeature(
  
      PackageManager.FEATURE_CAMERA)) {
  
      // this device has a camera
  
      return true;
  
      } else {
  
      // no camera on this device
  
      return false;
  
      }
  
      }
  
      /**
  
            * Launching camera app to capture image
  
            */
  
      private void captureImage() {
  
          Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
  
          fileUri = getOutputMediaFileUri(MEDIA_TYPE_IMAGE);
  
          intent.putExtra(MediaStore.EXTRA_OUTPUT, fileUri);
  
          // start the image capture Intent
  
          startActivityForResult(intent, CAMERA_CAPTURE_IMAGE_REQUEST_CODE);
  
  
  
      }
  
  
  
  
  
      /**
  
            * Launching camera app to record video
  
            */
  
      private void recordVideo() {
  
          Intent intent = new Intent(MediaStore.ACTION_VIDEO_CAPTURE);
  
          fileUri = getOutputMediaFileUri(MEDIA_TYPE_VIDEO);
  
          // set video quality
  
          intent.putExtra(MediaStore.EXTRA_VIDEO_QUALITY, 1);
  
          intent.putExtra(MediaStore.EXTRA_OUTPUT, fileUri);// set the image file
  
          // name
  
          // start the video capture Intent
  
          startActivityForResult(intent, CAMERA_CAPTURE_VIDEO_REQUEST_CODE);
  
      }
  
  
  
     /* *//** Perform UCrop *//*
  
      public void performUcrop(){
  
          UCrop.of(fileUri, fileUri).start(this);
  
  
  
      }*/
  
      private void performcrop(){
  
         // UCrop.of(fileUri, fileUri).start(this);
  
          Intent cropIntent = new Intent("com.android.camera.action.CROP");
  
          cropIntent.setDataAndType(fileUri, "image/*");
  
  
  
          cropIntent.putExtra("crop", "true");
  
  
  
          cropIntent.putExtra("aspectX", 1);
  
          cropIntent.putExtra("aspectY", 1);
  
  
  
          cropIntent.putExtra("outputX", 256);
  
          cropIntent.putExtra("outputY", 256);
  
          cropIntent.putExtra("return-data", true);
  
          //cropIntent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(outputFile));
  
          startActivityForResult(cropIntent, PIC_CROP);
  
  
  
      }
  
  
  
  
  
  
  
      /**
  
                * Here we store the file url as it will be null after returning from camera
  
                * app
  
                */
  
          @Override
  
          protected void onSaveInstanceState(Bundle outState) {
  
              super.onSaveInstanceState(outState);
  
              // save file url in bundle as it will be null on screen orientation
  
              // changes
  
              outState.putParcelable("file_uri", fileUri);
  
          }
  
          @Override
  
          protected void onRestoreInstanceState (@NonNull Bundle savedInstanceState){
  
              super.onRestoreInstanceState(savedInstanceState);
  
              // get the file url
  
              fileUri = savedInstanceState.getParcelable("file_uri");
  
          }
  
          /**
  
                * Receiving activity result method will be called after closing the camera
  
                * */
  
          @Override
  
          protected void onActivityResult ( int requestCode, int resultCode, Intent data){
  
              // if the result is capturing Image
  
              if (requestCode == CAMERA_CAPTURE_IMAGE_REQUEST_CODE) {
  
                  if (resultCode == RESULT_OK) {
  
                      // successfully captured the image
  
                      //Log.d("ucrop", "error log" + fileUri);
  
                     // performUcrop();
  
                      //final Uri fileUri = UCrop.getOutput(data);
  
                      //fileUri = data.getData();
  
                      performcrop();
  
  
  
                      // launching upload activity
  
  
  
                  } else if (resultCode == RESULT_CANCELED) {
  
                      // user cancelled Image capture
  
                      Toast.makeText(getApplicationContext(),
  
                              "Sorry! Failed to capture image", Toast.LENGTH_SHORT).show();
  
                  }
  
              } else if (requestCode == CAMERA_CAPTURE_VIDEO_REQUEST_CODE) {
  
                  if (resultCode == RESULT_OK) {
  
                      // video successfully recorded
  
                      //launching upload activity
  
                      //videotrim();
  
                      launchUploadActivity(false);
  
                  } else if (resultCode == RESULT_CANCELED) {
  
                      // user cancelled recording
  
                      Toast.makeText(getApplicationContext(), "Sorry! Failed to record video", Toast.LENGTH_SHORT).show();
  
                  }
  
              }
  
  
  
              else if (requestCode == PIC_CROP) {
  
                  if (resultCode == RESULT_OK) {
  
                      //fileUri = Uri.fromFile(outputFile);
  
                      launchUploadActivity(true);
  
                  }
  
              }
  
  
  
              }
  
      private void launchUploadActivity(boolean isImage){
  
          Intent i = new Intent(MainActivity.this, UploadActivity.class);
  
          i.putExtra("filePath", fileUri.getPath());
  
          i.putExtra("isImage", isImage);
  
          startActivity(i);
  
      }
  
  
  
      /**
  
            * Creating file uri to store image/video
  
            */
  
      public Uri getOutputMediaFileUri(int type) {
  
      return Uri.fromFile(getOutputMediaFile(type));
  
      }
  
  
  
      /**
  
            * returning image / video
  
            */
  
      private static File getOutputMediaFile(int type) {
  
  
  
          // External sdcard location
  
          File mediaStorageDir = new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES),
  
                  Config.IMAGE_DIRECTORY_NAME);
  
  
  
          // Create the storage directory if it does not exist
  
          if (!mediaStorageDir.exists()) {
  
              if (!mediaStorageDir.mkdirs()) {
  
                  Log.d(TAG, "Oops! Failed create "+ Config.IMAGE_DIRECTORY_NAME + " directory");
  
                  return null;
  
              }
  
          }
  
          // Create a media file name
  
          String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss",Locale.getDefault()).format(new Date());
  
          File mediaFile;
  
          if (type == MEDIA_TYPE_IMAGE) {
  
              mediaFile = new File(mediaStorageDir.getPath() + File.separator+ "IMG_" + timeStamp + ".jpg");
  
          } else if (type == MEDIA_TYPE_VIDEO) {
  
              mediaFile = new File(mediaStorageDir.getPath() + File.separator+ "VID_" + timeStamp + ".mp4");
  
          } else {
  
              return null;
  
          }
  
          return mediaFile;
  
      }
  
  
  
      //Logout function
  
      private void logout(){
  
          //Creating an alert dialog to confirm logout
  
          android.support.v7.app.AlertDialog.Builder alertDialogBuilder = new android.support.v7.app.AlertDialog.Builder(this);
  
          alertDialogBuilder.setMessage("Are you sure you want to logout?");
  
          alertDialogBuilder.setPositiveButton("Yes",
  
                  new DialogInterface.OnClickListener() {
  
                      @Override
  
                      public void onClick(DialogInterface arg0, int arg1) {
  
  
  
                          //Getting out sharedpreferences
  
                          SharedPreferences preferences = getSharedPreferences(Config.SHARED_PREF_NAME, Context.MODE_PRIVATE);
  
                          //Getting editor
  
                          SharedPreferences.Editor editor = preferences.edit();
  
  
  
                          //Puting the value false for loggedin
  
                          editor.putBoolean(Config.LOGGEDIN_SHARED_PREF, false);
  
  
  
                          //Putting blank value to email
  
                          editor.putString(Config.EMAIL_SHARED_PREF, "");
  
  
  
                          //Saving the sharedpreferences
  
                          editor.commit();
  
  
  
                          //Starting login activity
  
                          Intent intent = new Intent(MainActivity.this, LoginActivity.class);
  
                          startActivity(intent);
  
                      }
  
                  });
  
  
  
          alertDialogBuilder.setNegativeButton("No",
  
                  new DialogInterface.OnClickListener() {
  
                      @Override
  
                      public void onClick(DialogInterface arg0, int arg1) {
  
  
  
                      }
  
                  });
  
  
  
          //Showing the alert dialog
  
          android.support.v7.app.AlertDialog alertDialog = alertDialogBuilder.create();
  
          alertDialog.show();
  
  
  
      }
  
  
  
      @Override
  
      public boolean onCreateOptionsMenu(Menu menu) {
  
          getMenuInflater().inflate(R.menu.main, menu);
  
          return true;
  
      }
  
  
  
      @Override
  
      public boolean onOptionsItemSelected(MenuItem item) {
  
          int id = item.getItemId();
  
          if (id == R.id.menuLogout) {
  
              logout();
  
          }
  
          return super.onOptionsItemSelected(item);
  
      }
  
  
  
  }

• How to create a widget – Introducing the Piwik Platform

  4 septembre 2014, par Thomas Steur — Development

  This is the next post of our blog series where we introduce the capabilities of the Piwik platform (our previous post was How to create a scheduled task in Piwik). This time you’ll learn how to create a new widget. For this tutorial you will need to have basic knowledge of PHP.

  What is a widget in Piwik ?

  Widgets can be added to your dashboards or exported via a URL to embed it on any page. Most widgets in Piwik represent a report but a widget can display anything. For instance a RSS feed of your corporate news. If you prefer to have most of your business relevant data in one dashboard why not display the number of offline sales, the latest stock price, or other key metrics together with your analytics data ?

  Getting started

  In this series of posts, we assume that you have already set up your development environment. If not, visit the Piwik Developer Zone where you’ll find the tutorial Setting up Piwik.

  To summarize the things you have to do to get setup :

  • Install Piwik (for instance via git).
  • Activate the developer mode : ./console development:enable --full.
  • Generate a plugin : ./console generate:plugin --name="MyWidgetPlugin". There should now be a folder plugins/MyWidgetPlugin.
  • And activate the created plugin under Settings => Plugins.

  Let’s start creating a widget

  We start by using the Piwik Console to create a widget template :

  ./console generate:widget

  The command will ask you to enter the name of the plugin the widget should belong to. I will simply use the above chosen plugin name “MyWidgetPlugin”. It will ask you for a widget category as well. You can select any existing category, for instance “Visitors”, “Live !” or “Actions”, or you can define a new category, for instance your company name. There should now be a file plugins/MyWidgetPlugin/Widgets.php which contains already some examples to get you started easily :

  class Widgets extends \Piwik\Plugin\Widgets
  {
      /**
       * Here you can define the category the widget belongs to. You can reuse any existing widget category or define your own category.
       * @var string
       */
      protected $category = 'ExampleCompany';
   
      /**
       * Here you can add one or multiple widgets. You can add a widget by calling the method "addWidget()" and pass the name of the widget as well as a method name that should be called to render the widget. The method can be defined either directly here in this widget class or in the controller in case you want to reuse the same action for instance in the menu etc.
       */
      protected function init()
      {
          $this->addWidget('Example Widget Name', $method = 'myExampleWidget');
          $this->addWidget('Example Widget 2',    $method = 'myExampleWidget', $params = array('myparam' => 'myvalue'));
      }
   
      /**
       * This method renders a widget as defined in "init()". It's on you how to generate the content of the widget. As long as you return a string everything is fine. You can use for instance a "Piwik\View" to render a twig template. In such a case don't forget to create a twig template (eg. myViewTemplate.twig) in the "templates" directory of your plugin.
       *
       * @return string
       */
      public function myExampleWidget()
      {
          $view = new View('@MyWidgetPlugin/myViewTemplate');
          return $view->render();
      }
  }
  Télécharger

  As you might have noticed in the generated template we put emphasis on adding comments to explain you directly how to continue and where to get more information. Ideally this saves you some time and you don’t even have to search for more information on our developer pages. The category is defined in the property $category and can be changed at any time. Starting from Piwik 2.6.0 the generator will directly create a translation key if necessary to make it easy to translate the category into any language. Translations will be a topic in one of our future posts until then you can explore this feature on our Internationalization guide.

  A simple example

  We can define one or multiple widgets in the init method by calling addWidget($widgetName, $methodName). To do so we define the name of a widget which will be seen by your users as well as the name of the method that shall render the widget.

  protected $category = 'Example Company';
  
  
  
  public function init()
  
  {
  
      // Registers a widget named 'News' under the category 'Example Company'. 
  
      // The method 'myCorporateNews' will be used to render the widget.
  
      $this->addWidget('News', $method = 'myCorporateNews'); 
  
  }
  
  
  
  public function myCorporateNews()
  
  {
  
      return file_get_contents('http://example.com/news');
  
  }

  This example would display the content of the specified URL within the widget as defined in the method myCorporateNews. It’s on you how to generate the content of the widget. Any string returned by this method will be displayed within the widget. You can use for example a View to render a Twig template. For simplification we are fetching the content from another site. A more complex version would cache this content for faster performance. Caching and views will be covered in one of our future posts as well.

  

  Did you know ? To make your life as a developer as stress-free as possible the platform checks whether the registered method actually exists and whether the method is public. If not, Piwik will display a notification in the UI and advice you with the next step.

  Checking permissions

  Often you do not want to have the content of a widget visible to everyone. You can check for permissions by using one of our many convenient methods which all start with \Piwik\Piwik::checkUser*. Just to introduce some of them :

  // Make sure the current user has super user access
  
  \Piwik\Piwik::checkUserHasSuperUserAccess(); 
  
  
  
  // Make sure the current user is logged in and not anonymous
  
  \Piwik\Piwik::checkUserIsNotAnonymous(); 

  And here is an example how you can use it within your widget :

  public function myCorporateNews()
  
  {
  
      // Make sure there is an idSite URL parameter
  
      $idSite = Common::getRequestVar('idSite', null, 'int');
  
  
  
      // Make sure the user has at least view access for the specified site. This is useful if you want to display data that is related to the specified site.
  
      Piwik::checkUserHasViewAccess($idSite); 
  
  
  
      $siteUrl = \Piwik\Site::getMainUrlFor($idSite);
  
  
  
      return file_get_contents($siteUrl . '/news');
  
  }

  In case any condition is not met an exception will be thrown and an error message will be presented to the user explaining that he does not have enough permissions. You’ll find the documentation for those methods in the Piwik class reference.

  How to test a widget

  After you have created your widgets you are surely wondering how to test it. First, you should write a unit or integration test which we will cover in one of our future blog posts. Just one hint : You can use the command ./console generate:test to create a test. To manually test a widget you can add a widget to a dashboard or export it.

  Publishing your Plugin on the Marketplace

  In case you want to share your widgets with other Piwik users you can do this by pushing your plugin to a public GitHub repository and creating a tag. Easy as that. Read more about how to distribute a plugin.

  Advanced features

  Isn’t it easy to create a widget ? We never even created a file ! Of course, based on our API design principle “The complexity of our API should never exceed the complexity of your use case.” you can accomplish more if you want : You can clarify parameters that will be passed to your widget, you can create a method in the Controller instead of the Widget class to make the same method also reusable for adding it to the menu, you can assign different categories to different widgets, you can remove any widgets that were added by the Piwik core or other plugins and more.

  Would you like to know more about widgets ? Go to our Widgets class reference in the Piwik Developer Zone.

  If you have any feedback regarding our APIs or our guides in the Developer Zone feel free to send it to us.

• How to create a widget – Introducing the Piwik Platform

  4 septembre 2014, par Thomas Steur — Development

  This is the next post of our blog series where we introduce the capabilities of the Piwik platform (our previous post was How to create a scheduled task in Piwik). This time you’ll learn how to create a new widget. For this tutorial you will need to have basic knowledge of PHP.

  What is a widget in Piwik ?

  Widgets can be added to your dashboards or exported via a URL to embed it on any page. Most widgets in Piwik represent a report but a widget can display anything. For instance a RSS feed of your corporate news. If you prefer to have most of your business relevant data in one dashboard why not display the number of offline sales, the latest stock price, or other key metrics together with your analytics data ?

  Getting started

  In this series of posts, we assume that you have already set up your development environment. If not, visit the Piwik Developer Zone where you’ll find the tutorial Setting up Piwik.

  To summarize the things you have to do to get setup :

  • Install Piwik (for instance via git).
  • Activate the developer mode : ./console development:enable --full.
  • Generate a plugin : ./console generate:plugin --name="MyWidgetPlugin". There should now be a folder plugins/MyWidgetPlugin.
  • And activate the created plugin under Settings => Plugins.

  Let’s start creating a widget

  We start by using the Piwik Console to create a widget template :

  ./console generate:widget

  The command will ask you to enter the name of the plugin the widget should belong to. I will simply use the above chosen plugin name “MyWidgetPlugin”. It will ask you for a widget category as well. You can select any existing category, for instance “Visitors”, “Live !” or “Actions”, or you can define a new category, for instance your company name. There should now be a file plugins/MyWidgetPlugin/Widgets.php which contains already some examples to get you started easily :

  class Widgets extends \Piwik\Plugin\Widgets
  {
      /**
       * Here you can define the category the widget belongs to. You can reuse any existing widget category or define your own category.
       * @var string
       */
      protected $category = 'ExampleCompany';
   
      /**
       * Here you can add one or multiple widgets. You can add a widget by calling the method "addWidget()" and pass the name of the widget as well as a method name that should be called to render the widget. The method can be defined either directly here in this widget class or in the controller in case you want to reuse the same action for instance in the menu etc.
       */
      protected function init()
      {
          $this->addWidget('Example Widget Name', $method = 'myExampleWidget');
          $this->addWidget('Example Widget 2',    $method = 'myExampleWidget', $params = array('myparam' => 'myvalue'));
      }
   
      /**
       * This method renders a widget as defined in "init()". It's on you how to generate the content of the widget. As long as you return a string everything is fine. You can use for instance a "Piwik\View" to render a twig template. In such a case don't forget to create a twig template (eg. myViewTemplate.twig) in the "templates" directory of your plugin.
       *
       * @return string
       */
      public function myExampleWidget()
      {
          $view = new View('@MyWidgetPlugin/myViewTemplate');
          return $view->render();
      }
  }
  Télécharger

  As you might have noticed in the generated template we put emphasis on adding comments to explain you directly how to continue and where to get more information. Ideally this saves you some time and you don’t even have to search for more information on our developer pages. The category is defined in the property $category and can be changed at any time. Starting from Piwik 2.6.0 the generator will directly create a translation key if necessary to make it easy to translate the category into any language. Translations will be a topic in one of our future posts until then you can explore this feature on our Internationalization guide.

  A simple example

  We can define one or multiple widgets in the init method by calling addWidget($widgetName, $methodName). To do so we define the name of a widget which will be seen by your users as well as the name of the method that shall render the widget.

  protected $category = 'Example Company';
  
  
  
  public function init()
  
  {
  
      // Registers a widget named 'News' under the category 'Example Company'. 
  
      // The method 'myCorporateNews' will be used to render the widget.
  
      $this->addWidget('News', $method = 'myCorporateNews'); 
  
  }
  
  
  
  public function myCorporateNews()
  
  {
  
      return file_get_contents('http://example.com/news');
  
  }

  This example would display the content of the specified URL within the widget as defined in the method myCorporateNews. It’s on you how to generate the content of the widget. Any string returned by this method will be displayed within the widget. You can use for example a View to render a Twig template. For simplification we are fetching the content from another site. A more complex version would cache this content for faster performance. Caching and views will be covered in one of our future posts as well.

  

  Did you know ? To make your life as a developer as stress-free as possible the platform checks whether the registered method actually exists and whether the method is public. If not, Piwik will display a notification in the UI and advice you with the next step.

  Checking permissions

  Often you do not want to have the content of a widget visible to everyone. You can check for permissions by using one of our many convenient methods which all start with \Piwik\Piwik::checkUser*. Just to introduce some of them :

  // Make sure the current user has super user access
  
  \Piwik\Piwik::checkUserHasSuperUserAccess(); 
  
  
  
  // Make sure the current user is logged in and not anonymous
  
  \Piwik\Piwik::checkUserIsNotAnonymous(); 

  And here is an example how you can use it within your widget :

  public function myCorporateNews()
  
  {
  
      // Make sure there is an idSite URL parameter
  
      $idSite = Common::getRequestVar('idSite', null, 'int');
  
  
  
      // Make sure the user has at least view access for the specified site. This is useful if you want to display data that is related to the specified site.
  
      Piwik::checkUserHasViewAccess($idSite); 
  
  
  
      $siteUrl = \Piwik\Site::getMainUrlFor($idSite);
  
  
  
      return file_get_contents($siteUrl . '/news');
  
  }

  In case any condition is not met an exception will be thrown and an error message will be presented to the user explaining that he does not have enough permissions. You’ll find the documentation for those methods in the Piwik class reference.

  How to test a widget

  After you have created your widgets you are surely wondering how to test it. First, you should write a unit or integration test which we will cover in one of our future blog posts. Just one hint : You can use the command ./console generate:test to create a test. To manually test a widget you can add a widget to a dashboard or export it.

  Publishing your Plugin on the Marketplace

  In case you want to share your widgets with other Piwik users you can do this by pushing your plugin to a public GitHub repository and creating a tag. Easy as that. Read more about how to distribute a plugin.

  Advanced features

  Isn’t it easy to create a widget ? We never even created a file ! Of course, based on our API design principle “The complexity of our API should never exceed the complexity of your use case.” you can accomplish more if you want : You can clarify parameters that will be passed to your widget, you can create a method in the Controller instead of the Widget class to make the same method also reusable for adding it to the menu, you can assign different categories to different widgets, you can remove any widgets that were added by the Piwik core or other plugins and more.

  Would you like to know more about widgets ? Go to our Widgets class reference in the Piwik Developer Zone.

  If you have any feedback regarding our APIs or our guides in the Developer Zone feel free to send it to us.