android - SwitchPreference and Switch -


i have custom switch control class myswitch

public class myswitch extends relativelayout implements compoundbutton.oncheckedchangelistener { //private final context context; private string swkey; private integer swicoon, swicooff; switch mysw; imageview swico; sharedpreferences preferences;  public myswitch(context context) {     super(context, null); }  public myswitch(context context, attributeset attrs) {     this(context, attrs, r.layout.my_switch); }  public myswitch(context context, attributeset attrs, int defstyleattr) {     super(context, attrs, defstyleattr);     preferences = preferencemanager.getdefaultsharedpreferences(context);     layoutinflater.from(context).inflate(defstyleattr, this, true);     //view.inflate(context, defstyleattr, this);     swico = (imageview) findviewbyid(r.id.swicon);     textview mytext = (textview) findviewbyid(r.id.swtitle);     textview mysummary = (textview) findviewbyid(r.id.swsummary);     mysw = (switch) findviewbyid(r.id.mysw);      typedarray ta = context.obtainstyledattributes(attrs, r.styleable.myswitch, 0, 0);     try {         mytext.settext(ta.getstring(r.styleable.myswitch_android_title));         mysummary.settext(ta.getstring(r.styleable.myswitch_android_summary));         mysw.settexton(ta.getstring(r.styleable.myswitch_android_switchtexton));         mysw.settextoff(ta.getstring(r.styleable.myswitch_android_switchtextoff));         mysw.setoncheckedchangelistener(this);         swicoon = ta.getresourceid(r.styleable.myswitch_icoon, 0);         swicooff = ta.getresourceid(r.styleable.myswitch_icooff, 0);         swkey = ta.getstring(r.styleable.myswitch_android_key);         update();     } {         ta.recycle();     } }  @override public void oncheckedchanged(compoundbutton compoundbutton, boolean b) {     update(b);     sharedpreferences.editor editor = preferences.edit();     editor.putboolean(swkey, b);     editor.commit(); }  public void update(boolean val) {     mysw.setchecked(val);     if(val)         swico.setimageresource(swicoon);     else         swico.setimageresource(swicooff); }  public void update() {     update(preferences.getboolean(swkey, false)); }

}

i want reuse code class in switchpreference because code identical, class is

public class myswitchpref extends switchpreference{ myswitch obj; private sharedpreferences preferences; public myswitchpref(context context, attributeset attrs) {     super(context, attrs);     //setlayoutresource(r.layout.my_switch);     obj = new myswitch(context,attrs); }  @override protected void onbindview(view view) {     super.onbindview(view);     obj.update(); }

}

the issue on switchpreference icon not shown. how can icon show in switchpreference?


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