[Android] mobile guard custom combination control

set focus

New settingactivity

Set click events for GridView entries

Call setonitemclicklistener() method of GridView object, parameter: onitemclicklistener object

Anonymous inner class implementation, override the onitemclick() method, and pass in the following parameters:

Parent is the GridView object, view is the current view object, and position is the current index

Switch judges that when setting the index of the center, it jumps to the setting center

Setting center interface

Use relative layout, right< Check@R_ 898_ 2419 @ / > on the right side of the parent control, vertically centered

set up Check@R_ 898_ 2419 @ click forbidden, Android: clickable = "false"

Set vertical center, Android: Layout_ centerVeritical=”true”

Draw a black line

Add a < view / > control with a height of 0.2dp, a black background color and a left-right margin of 5dp, which is located at the bottom of the parent control

Custom combination view

For reuse, we put these into a combined layout file

In the UI package, create a new class, settingitemview, which inherits the relativelayout of the system

Implement the three construction methods of this class, and initialize the view object in these three methods

Call the view. Inflate () method to load the layout file into the settingitemview. Parameters: context, resource file, current object, this

Click anywhere on the composite control, Check@R_ 898_ 2419 @ the control shows different states

Get three control objects, textview Check@R_ 898_ 2419@

Define method isChecked (), check whether the combination control is selected, and invoke. Check@R_ 898_ 2419 @ ischecked() method of object, return result

Define the method setchecked(), set the selected state of the composite control, and call Check@R_ 898_ 2419 @ setchecked (Boolean) method of object, parameter: Boolean

Define the method setdesc(), set the description information of the combined control, and call the settext() method of the textview object. Parameter: text

Set to turn off automatic updates

Gets the setingitemview control object

Call the setonclicklistener() method of the setingitemview object to set the click event in the overridden onclick method

Call the ischecked () method of the setingitemview object to judge whether it is selected

Call setchecked() method of setingitemview object to set status. Parameter: Boolean value

SettingActivity.java

SettingItemView.java

setting_ item_ view.xml