public class

ZoomButton

extends ImageButton
implements View.OnLongClickListener
java.lang.Object
   ↳ android.view.View
     ↳ android.widget.ImageView
       ↳ android.widget.ImageButton
         ↳ android.widget.ZoomButton

Summary

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Inherited XML Attributes
From class android.widget.ImageView
From class android.view.View
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Inherited Constants
From class android.view.View
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Inherited Fields
From class android.view.View
Public Constructors
ZoomButton(Context context)
ZoomButton(Context context, AttributeSet attrs)
ZoomButton(Context context, AttributeSet attrs, int defStyle)
Public Methods
boolean dispatchUnhandledMove(View focused, int direction)
This method is the last chance for the focused view and its ancestors to respond to an arrow key.
boolean onKeyUp(int keyCode, KeyEvent event)
Default implementation of KeyEvent.Callback.onKeyUp(): perform clicking of the view when KEYCODE_DPAD_CENTER or KEYCODE_ENTER is released.
boolean onLongClick(View v)
Called when a view has been clicked and held.
boolean onTouchEvent(MotionEvent event)
Implement this method to handle touch screen motion events.
void setEnabled(boolean enabled)
Set the enabled state of this view.
void setZoomSpeed(long speed)
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Inherited Methods
From class android.widget.ImageButton
From class android.widget.ImageView
From class android.view.View
From class java.lang.Object
From interface android.graphics.drawable.Drawable.Callback
From interface android.view.KeyEvent.Callback
From interface android.view.View.OnLongClickListener
From interface android.view.accessibility.AccessibilityEventSource

Public Constructors

public ZoomButton (Context context)

Since: API Level 1

public ZoomButton (Context context, AttributeSet attrs)

Since: API Level 1

public ZoomButton (Context context, AttributeSet attrs, int defStyle)

Since: API Level 1

Public Methods

public boolean dispatchUnhandledMove (View focused, int direction)

Since: API Level 1

This method is the last chance for the focused view and its ancestors to respond to an arrow key. This is called when the focused view did not consume the key internally, nor could the view system find a new view in the requested direction to give focus to.

Parameters
focused The currently focused view.
direction The direction focus wants to move. One of FOCUS_UP, FOCUS_DOWN, FOCUS_LEFT, and FOCUS_RIGHT.
Returns
  • True if the this view consumed this unhandled move.

public boolean onKeyUp (int keyCode, KeyEvent event)

Since: API Level 1

Default implementation of KeyEvent.Callback.onKeyUp(): perform clicking of the view when KEYCODE_DPAD_CENTER or KEYCODE_ENTER is released.

Parameters
keyCode A key code that represents the button pressed, from KeyEvent.
event The KeyEvent object that defines the button action.
Returns
  • If you handled the event, return true. If you want to allow the event to be handled by the next receiver, return false.

public boolean onLongClick (View v)

Since: API Level 1

Called when a view has been clicked and held.

Parameters
v The view that was clicked and held.
Returns
  • true if the callback consumed the long click, false otherwise.

public boolean onTouchEvent (MotionEvent event)

Since: API Level 1

Implement this method to handle touch screen motion events.

Parameters
event The motion event.
Returns
  • True if the event was handled, false otherwise.

public void setEnabled (boolean enabled)

Since: API Level 1

Set the enabled state of this view. The interpretation of the enabled state varies by subclass.

Parameters
enabled True if this view is enabled, false otherwise.

public void setZoomSpeed (long speed)

Since: API Level 1