Android Monitor soft keyboard to be closed and open

Reference: http://toughcoder.net/blog/2015/10/09/android-trick-detect-soft-keyboard-show-slash-hide/

1  PackageXiamai.testidea;2 3 Importandroid.app.Activity;4 ImportAndroid.graphics.Rect;5 ImportAndroid.os.Bundle;6 ImportAndroid.util.DisplayMetrics;7 ImportAndroid.view.View;8 ImportAndroid.view.ViewGroup;9 ImportAndroid.view.ViewTreeObserver;Ten  One /** A * Created by Administrator on 2016/6/15. -  */ -  Public classBaseactivityextendsActivity the { -     PrivateOnkeyboardlistener KeyboardListener; -     Private BooleanKeyboardvisible =false; -     PrivateViewtreeobserver.ongloballayoutlistener Globallayoutlistener =NewViewtreeobserver.ongloballayoutlistener () +     { - @Override +          Public voidongloballayout () A         { at             if(Keyboardisvisible (Getrootview ())) -             { -                 if(!keyboardvisible) -                 { -Keyboardvisible =true; - keyboardlistener.onkeyboardshow (); in                 } -             } to             Else +             { -                 if(keyboardvisible) the                 { *Keyboardvisible =false; $ Keyboardlistener.onkeyboardhidden ();Panax Notoginseng                 } -             } the         } +     }; A  the      PublicView Getrootview () +     { -         return((ViewGroup) Findviewbyid (Android. r.id.content)). Getchildat (0); $     } $  -     protected voidSetonkeyboardlistener (Onkeyboardlistener keyboardlistener) -     { the          This. KeyboardListener =KeyboardListener; - Getrootview (). Getviewtreeobserver (). Addongloballayoutlistener (Globallayoutlistener);Wuyi     } the  -     Private Booleankeyboardisvisible (View rootview) Wu     { -         Final intSoftkeyboardheight = 100; AboutRect r =NewRect (); $ Rootview.getwindowvisibledisplayframe (r); -Displaymetrics DM =rootview.getresources (). Getdisplaymetrics (); -         intHeightdiff = Rootview.getbottom ()-R.bottom; -         returnHeightdiff > Softkeyboardheight *dm.density; A     } +  the      Public InterfaceOnkeyboardlistener -     { $         voidonkeyboardshow (); the         voidOnkeyboardhidden (); the     } the}

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1  PackageXiamai.testidea;2 3 ImportAndroid.os.Bundle;4 ImportAndroid.util.Log;5 6 /**7 * Created by Administrator on 2016/7/11.8  */9  Public classKeyboardtestactivityextendsbaseactivityTen     ImplementsBaseactivity.onkeyboardlistener One { A @Override -     protected voidonCreate (Bundle savedinstancestate) -     { the         Super. OnCreate (savedinstancestate); - Setcontentview (r.layout.root_activity); -Setonkeyboardlistener ( This); -     } +  - @Override +      Public voidonkeyboardshow () A     { atLOG.E ("KeyboardEvent", "Keyboard Open"); -     } -  - @Override -      Public voidOnkeyboardhidden () -     { inLOG.E ("KeyboardEvent", "Keyboard Off"); -     } to}

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Android Monitor soft keyboard to be closed and open