Android: Why?®SeekBar

Android: Why? ~öseekbar
Android: Why? ~öseekbar* Öð Ê Ó óó ± Ï à µ± μ? Â ¡

MainActivity. java £°
Package com. example. seekbar;


Import android. OS. Bundle;
Import android. app. Activity;
Import android. view. Menu;
Import android. widget. SeekBar;


Public class MainActivity extends Activity {


Private SeekBar mySeekBar = null;
@ Override
Protected void onCreate (Bundle savedInstanceState ){
Super. onCreate (savedInstanceState );
SetContentView (R. layout. main );

MySeekBar = (SeekBar) findViewById (R. id. mySeekBar );
// The value of É ööã SeekBar µää ø {è × î ''.
MySeekBar. setMax (100 );

// ° Ónāseekbar maid?
MySeekBar. setOnSeekBarChangeListener (new setSeekBarListener ());
}

// ''Salesman' SeekBar µää â {{{{{}}}// ''hier= ***********************************************
Class setSeekBarListener implements SeekBar. OnSeekBarChangeListener {

// μ ± ½ ø È õ µä½ ø ¶ È ¸ ä± äê ± £;» áµó Ó Ã '{?? please refer to the following link for more information: fromUser has been requested during the period of operation: £ ************************************************
// Progress ± í?¾ =%%%» ¬ **********************************************************
@ Override
Public void onProgressChanged (SeekBar seekBar, int progress,
Boolean fromUser ){
// TODO Auto-generated method stub
If (fromUser ){
System. out. println ("user change seekBar to -->" + progress );
} Else {
System. out. println ("system change seekBar to -->" + progress );
}


}


// μ ± Ö ö¶ ¿Ê ¼ ¸ ± ä± ää ø È» ¬ é µäî λ öã ± μ ÷ 'ë · ½ · â
@ Override
Public void onStartTrackingTouch (SeekBar seekBar ){
// TODO Auto-generated method stub
System. out. println ("touch start -->" + seekBar. getProgress ());
}


// μ ± Ê ö¶ ¸ ä±ä» ¬ ¿éî» öã ámímámámámámámámámámámámámámámámámām'{· ¨
@ Override
Public void onStopTrackingTouch (SeekBar seekBar ){
// TODO Auto-generated method stub
System. out. println ("touch stop -->" + seekBar. getProgress ());
}

}


@ Override
Public boolean onCreateOptionsMenu (Menu menu ){
// Inflate the menu; this adds items to the action bar if it is present.
GetMenuInflater (). inflate (R. menu. main, menu );
Return true;
}


}


Ö÷ ² ~~öî ä~~mail. xml £° Xmlns: tools = "http://schemas.android.com/tools"
Android: layout_width = "match_parent"
Android: layout_height = "match_parent"
Android: paddingBottom = "@ dimen/activity_vertical_margin"
Android: paddingLeft = "@ dimen/activity_horizontal_margin"
Android: paddingRight = "@ dimen/activity_horizontal_margin"
Android: paddingTop = "@ dimen/activity_vertical_margin"
Tools: context = ". MainActivity">


Android: id = "@ + id/myText"
Android: layout_width = "wrap_content"
Android: layout_height = "wrap_content"
Android: text = "@ string/hello_world"/>

Android: id = "@ + id/mySeekBar"
Android: layout_width = "fill_parent"
Android: layout_height = "wrap_content"
Android: layout_below = "@ id/myText"
/>





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