GraphView

java.lang.Object
- View
- - com.jjoe64.graphview.GraphView

Direct Known Subclasses:

GraphViewXML
```
public class GraphView
extends View
```

Field Summary

Fields
Modifier and Type Field and Description

protected SecondScale mSecondScale
feature to have a second scale e.g.

Fields
Modifier and Type	Field and Description
`protected SecondScale`	`mSecondScale` feature to have a second scale e.g.

Constructor Summary

Constructors
Constructor and Description
`GraphView(Context context)` Initialize the GraphView view
`GraphView(Context context, AttributeSet attrs)` Initialize the GraphView view.
`GraphView(Context context, AttributeSet attrs, int defStyle)` Initialize the GraphView view

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`addSeries(Series s)` Add a new series to the graph.
`void`	`clearSecondScale()` clears the second scale
`void`	`computeScroll()`
`protected void`	`drawGraphElements(Canvas canvas)` draw all the stuff on canvas
`protected void`	`drawTitle(Canvas canvas)` Draws the Graphs title that will be shown above the viewport.
`CursorMode`	`getCursorMode()`
`int`	`getGraphContentHeight()`
`int`	`getGraphContentLeft()`
`int`	`getGraphContentTop()`
`int`	`getGraphContentWidth()`
`GridLabelRenderer`	`getGridLabelRenderer()`
`LegendRenderer`	`getLegendRenderer()`
`SecondScale`	`getSecondScale()` creates the second scale logic and returns it
`java.util.List<Series>`	`getSeries()` important: do not do modifications on the list object that will be returned.
`java.lang.String`	`getTitle()`
`int`	`getTitleColor()`
`protected int`	`getTitleHeight()` Calculates the height of the title.
`float`	`getTitleTextSize()`
`Viewport`	`getViewport()`
`protected void`	`init()` initialize the internal objects.
`boolean`	`isCursorMode()`
`protected void`	`loadStyles()` loads the font
`void`	`onDataChanged(boolean keepLabelsSize, boolean keepViewport)` call this to let the graph redraw and recalculate the viewport.
`protected void`	`onDraw(Canvas canvas)` will be called from Android system.
`protected void`	`onSizeChanged(int w, int h, int oldw, int oldh)` Called by Android system if the size of the view was changed.
`boolean`	`onTouchEvent(MotionEvent event)` will be called from Android system.
`void`	`removeAllSeries()` Removes all series of the graph.
`void`	`removeSeries(Series<?> series)` Remove a specific series of the graph.
`void`	`setCursorMode(boolean b)`
`void`	`setLegendRenderer(LegendRenderer mLegendRenderer)` use a specific legend renderer
`void`	`setTitle(java.lang.String mTitle)` Set the title of the graph that will be shown above the graph's viewport.
`void`	`setTitleColor(int titleColor)` Set the title's font color
`void`	`setTitleTextSize(float titleTextSize)` Set the title's font size
`Bitmap`	`takeSnapshot()` takes a snapshot and return it as bitmap
`void`	`takeSnapshotAndShare(Context context, java.lang.String imageName, java.lang.String title)` takes a snapshot, stores it and open the share dialog.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - mSecondScale
```
protected SecondScale mSecondScale
```
    feature to have a second scale e.g. on the right side
- Constructor Detail
  - GraphView
```
public GraphView(Context context)
```
    Initialize the GraphView view
    
    Parameters:
    
    context -
  - GraphView
```
public GraphView(Context context,
                 AttributeSet attrs)
```
    Initialize the GraphView view.
    
    Parameters:
    
    context -
    
    attrs -
  - GraphView
```
public GraphView(Context context,
                 AttributeSet attrs,
                 int defStyle)
```
    Initialize the GraphView view
    
    Parameters:
    
    context -
    
    attrs -
    
    defStyle -
- Method Detail
  - init
```
protected void init()
```
    initialize the internal objects. This method has to be called directly in the constructors.
  - loadStyles
```
protected void loadStyles()
```
    loads the font
  - getGridLabelRenderer
```
public GridLabelRenderer getGridLabelRenderer()
```
    Returns:
    
    the renderer for the grid and labels
  - addSeries
```
public void addSeries(Series s)
```
    Add a new series to the graph. This will automatically redraw the graph.
    
    Parameters:
    
    s - the series to be added
  - getSeries
```
public java.util.List<Series> getSeries()
```
    important: do not do modifications on the list object that will be returned. Use removeSeries(com.jjoe64.graphview.series.Series) and addSeries(com.jjoe64.graphview.series.Series)
    
    Returns:
    
    all series
  - onDataChanged
```
public void onDataChanged(boolean keepLabelsSize,
                          boolean keepViewport)
```
    call this to let the graph redraw and recalculate the viewport. This will be called when a new series was added or removed and when data was appended via BaseSeries.appendData(com.jjoe64.graphview.series.DataPointInterface, boolean, int) or BaseSeries.resetData(com.jjoe64.graphview.series.DataPointInterface[]).
    
    Parameters:
    
    keepLabelsSize - true if you don't want to recalculate the size of the labels. It is recommended to use "true" because this will improve performance and prevent a flickering.
    
    keepViewport - true if you don't want that the viewport will be recalculated. It is recommended to use "true" for performance.
  - drawGraphElements
```
protected void drawGraphElements(Canvas canvas)
```
    draw all the stuff on canvas
    
    Parameters:
    
    canvas -
  - onDraw
```
protected void onDraw(Canvas canvas)
```
    will be called from Android system.
    
    Parameters:
    
    canvas - Canvas
  - drawTitle
```
protected void drawTitle(Canvas canvas)
```
    Draws the Graphs title that will be shown above the viewport. Will be called by GraphView.
    
    Parameters:
    
    canvas - Canvas
  - getTitleHeight
```
protected int getTitleHeight()
```
    Calculates the height of the title.
    
    Returns:
    
    the actual size of the title. if there is no title, 0 will be returned.
  - getViewport
```
public Viewport getViewport()
```
    Returns:
    
    the viewport of the Graph.
    
    See Also:
    
    Viewport
  - onSizeChanged
```
protected void onSizeChanged(int w,
                             int h,
                             int oldw,
                             int oldh)
```
    Called by Android system if the size of the view was changed. Will recalculate the viewport and labels.
    
    Parameters:
    
    w -
    
    h -
    
    oldw -
    
    oldh -
  - getGraphContentLeft
```
public int getGraphContentLeft()
```
    Returns:
    
    the space on the left side of the view from the left border to the beginning of the graph viewport.
  - getGraphContentTop
```
public int getGraphContentTop()
```
    Returns:
    
    the space on the top of the view from the top border to the beginning of the graph viewport.
  - getGraphContentHeight
```
public int getGraphContentHeight()
```
    Returns:
    
    the height of the graph viewport.
  - getGraphContentWidth
```
public int getGraphContentWidth()
```
    Returns:
    
    the width of the graph viewport.
  - onTouchEvent
```
public boolean onTouchEvent(MotionEvent event)
```
    will be called from Android system.
    
    Parameters:
    
    event -
    
    Returns:
  - computeScroll
```
public void computeScroll()
```
  - getLegendRenderer
```
public LegendRenderer getLegendRenderer()
```
    Returns:
    
    the legend renderer.
    
    See Also:
    
    LegendRenderer
  - setLegendRenderer
```
public void setLegendRenderer(LegendRenderer mLegendRenderer)
```
    use a specific legend renderer
    
    Parameters:
    
    mLegendRenderer - the new legend renderer
  - getTitle
```
public java.lang.String getTitle()
```
    Returns:
    
    the title that will be shown above the graph.
  - setTitle
```
public void setTitle(java.lang.String mTitle)
```
    Set the title of the graph that will be shown above the graph's viewport.
    
    Parameters:
    
    mTitle - the title
    
    See Also:
    
    to set the font color, to set the font size
  - getTitleTextSize
```
public float getTitleTextSize()
```
    Returns:
    
    the title font size
  - setTitleTextSize
```
public void setTitleTextSize(float titleTextSize)
```
    Set the title's font size
    
    Parameters:
    
    titleTextSize - font size
    
    See Also:
    
    setTitle(String)
  - getTitleColor
```
public int getTitleColor()
```
    Returns:
    
    font color of the title
  - setTitleColor
```
public void setTitleColor(int titleColor)
```
    Set the title's font color
    
    Parameters:
    
    titleColor - font color of the title
    
    See Also:
    
    setTitle(String)
  - getSecondScale
```
public SecondScale getSecondScale()
```
    creates the second scale logic and returns it
    
    Returns:
    
    second scale object
  - clearSecondScale
```
public void clearSecondScale()
```
    clears the second scale
  - removeAllSeries
```
public void removeAllSeries()
```
    Removes all series of the graph.
  - removeSeries
```
public void removeSeries(Series<?> series)
```
    Remove a specific series of the graph. This will also re-draw the graph, but without recalculating the viewport and label sizes. If you want this, you have to call onDataChanged(boolean, boolean) manually.
    
    Parameters:
    
    series -
  - takeSnapshot
```
public Bitmap takeSnapshot()
```
    takes a snapshot and return it as bitmap
    
    Returns:
    
    snapshot of graph
  - takeSnapshotAndShare
```
public void takeSnapshotAndShare(Context context,
                                 java.lang.String imageName,
                                 java.lang.String title)
```
    takes a snapshot, stores it and open the share dialog. Notice that you need the permission android.permission.WRITE_EXTERNAL_STORAGE
    
    Parameters:
    
    context -
    
    imageName -
    
    title -
  - setCursorMode
```
public void setCursorMode(boolean b)
```
  - getCursorMode
```
public CursorMode getCursorMode()
```
  - isCursorMode
```
public boolean isCursorMode()
```

Class GraphView

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

mSecondScale

Constructor Detail

GraphView

GraphView

GraphView

Method Detail

init

loadStyles

getGridLabelRenderer

addSeries

getSeries

onDataChanged

drawGraphElements

onDraw

drawTitle

getTitleHeight

getViewport

onSizeChanged

getGraphContentLeft

getGraphContentTop

getGraphContentHeight

getGraphContentWidth

onTouchEvent

computeScroll

getLegendRenderer

setLegendRenderer

getTitle

setTitle

getTitleTextSize

setTitleTextSize

getTitleColor

setTitleColor

getSecondScale

clearSecondScale

removeAllSeries

removeSeries

takeSnapshot

takeSnapshotAndShare

setCursorMode

getCursorMode

isCursorMode