This framework can be used to build graphical chart views that can be added to a view group into a given layout.
See the screenshot below for an example.

Also, it can be used to generate intents that can be used to start an activity. In this case, the graphical chart will be displayed on the entire activity screen. All the screenshots below show examples of such usage.
The average monthly temperature for 4 Greek islands (Crete, Corfu, Thassos and Skiathos) is displayed as a line chart. This is a good example of usage of a multiple series in a line chart. A different point style was used for each series.

  

The monthly sales chart for the last two years for a given product can be displayed as a bar chart. This example shows the usage of a multiple series in a bar chart.

  

The graph of the sin and cos trigonometric functions is displayed as a line chart. This is another example of usage of a multiple series in a line chart.

  
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An example of usage of a multiple series in a scatter chart using randomly generated values. A different point style was used for each series.

  

The monthly sales chart for the last two years for a given product can also be displayed as a line chart. Also, an area chart is used to display the monthly sales difference between the the lasy year and the previous one.

  

The status of a software development project can be displayed using a time chart. One line displays the number of new tickets (issues) at a given moment in time, while the other one displays the number of fixed tickets at the same moment.

  

The sales growth between January 1995 and December 2000 is displayed as a time chart. A user defined date format pattern was used for displaying the X axis labels.

  

The budget comparison for several projects is displayed as a pie chart.