android - Bottom Sheet not opening with the NavigationDrawer click -
i have 2 navigation drawers , bottom sheet in app. want expand bottom sheet click item navigation drawer. navigation drawers work fine.
updated xml....
<?xml version="1.0" encoding="utf-8"?> <android.support.v4.widget.drawerlayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:id="@+id/drawer_layout_widget" android:layout_width="match_parent" android:layout_height="match_parent" android:clickable="true" android:focusableintouchmode="true"> <android.support.design.widget.coordinatorlayout xmlns:app="http://schemas.android.com/apk/res-auto" android:layout_width="match_parent" android:layout_height="match_parent"> <relativelayout android:layout_width="match_parent" android:layout_height="match_parent" android:background="@color/bg_register" app:layout_behavior="@string/appbar_scrolling_view_behavior" tools:context="com.ceatkelanisrilanka.dushanmadushanka.ceat.ceatmainactivity" tools:showin="@layout/activity_ceat_main"> <include android:id="@+id/app_bar" layout="@layout/app_toolbar_welcome_menu"></include> <com.rey.material.widget.progressview android:id="@+id/pviewew" cpd_strokecolor="@android:color/holo_red_dark" cpd_strokesecondarycolor="@android:color/holo_blue_bright" cpd_strokesize="25dp" android:layout_width="50dp" android:layout_height="50dp" android:layout_aligntop="@+id/txtmonthsn" android:layout_centerhorizontal="true" app:pv_autostart="true" app:pv_circular="true" app:pv_progressmode="indeterminate" app:pv_progressstyle="@style/material.drawable.circularprogress" /> <textview android:id="@+id/txtmonth" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignleft="@+id/app_bar" android:layout_alignstart="@+id/app_bar" android:layout_below="@+id/app_bar" android:layout_margintop="2dp" android:paddingleft="10dp" android:text="month" android:textcolor="#ffffff" android:textsize="24sp" /> <textview android:id="@+id/txtmonthsn" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignparentend="true" android:layout_alignparentright="true" android:layout_aligntop="@+id/txtmonth" android:paddingright="10dp" android:text="monthsn" android:textcolor="#ffffff" android:textsize="24sp" /> <textview android:id="@+id/yeartextv" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignend="@+id/txtmonth" android:layout_alignright="@+id/txtmonth" android:layout_below="@+id/txtmonth" android:text="year" android:textappearance="?android:attr/textappearancesmall" android:textcolor="#ffffff" /> <relativelayout android:id="@+id/relativelayout2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_above="@+id/relativelayout" android:layout_marginbottom="18dp"> <com.github.lzyzsd.circleprogress.arcprogress android:id="@+id/arc_progress" android:layout_width="220dp" android:layout_height="220dp" android:layout_alignparentleft="true" android:layout_alignparentstart="true" android:layout_alignparenttop="true" android:layout_marginleft="20dp" android:layout_marginstart="20dp" android:padding="5dp" /> </relativelayout> <!-- <com.github.lzyzsd.circleprogress.arcprogress android:id="@+id/arc_progress_two" android:layout_width="100dp" android:layout_height="100dp" android:layout_alignparentend="true" android:layout_alignparentright="true" android:layout_centervertical="true" android:layout_marginend="20dp" android:layout_marginright="20dp" android:padding="5dp" app:arc_bottom_text="precentage" />--> <linearlayout android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignbottom="@+id/relativelayout2" android:layout_alignparentend="true" android:layout_alignparentright="true" android:layout_marginbottom="22dp" android:layout_marginend="20dp" android:layout_marginright="20dp" android:gravity="center" android:orientation="vertical"> <com.hookedonplay.decoviewlib.decoview android:id="@+id/dynamicarcview" android:layout_width="100dp" android:layout_height="100dp" android:padding="5dp" /> <textview android:id="@+id/pview" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="0 %" android:textcolor="#4b73c4" android:textsize="20sp" /> <textview android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="precentage" android:textcolor="#4b73c4" android:textsize="15sp" /> </linearlayout> <relativelayout android:id="@+id/relativelayout" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_alignparentbottom="true" android:layout_alignparentleft="true" android:layout_alignparentstart="true" android:layout_marginbottom="23dp" android:paddingleft="5dp" android:paddingright="5dp"> <textview android:id="@+id/txtmtar" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignparentleft="true" android:layout_alignparentstart="true" android:layout_aligntop="@+id/txttarget" android:padding="5dp" android:text="monthly target" android:textappearance="?android:attr/textappearancemedium" android:textcolor="#ffffff" /> <textview android:id="@+id/txtpre" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignparentleft="true" android:layout_alignparentstart="true" android:layout_below="@+id/txtmach" android:layout_margintop="40dp" android:padding="5dp" android:text="percentage" android:textappearance="?android:attr/textappearancemedium" android:textcolor="#ffffff" /> <textview android:id="@+id/txtmach" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignparentleft="true" android:layout_alignparentstart="true" android:layout_margintop="80dp" android:padding="5dp" android:text="achievment" android:textappearance="?android:attr/textappearancemedium" android:textcolor="#ffffff" /> <textview android:id="@+id/txttarget" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_above="@+id/txtachievement" android:layout_alignleft="@+id/txtachievement" android:layout_alignstart="@+id/txtachievement" android:layout_marginbottom="35dp" android:padding="5dp" android:text="m" android:textappearance="?android:attr/textappearancemedium" android:textcolor="#ffffff" /> <textview android:id="@+id/txtachievement" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_above="@+id/txtpre" android:layout_centerhorizontal="true" android:padding="5dp" android:text="m" android:textappearance="?android:attr/textappearancemedium" android:textcolor="#ffffff" /> <textview android:id="@+id/txtcollection" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignbottom="@+id/txtpre" android:layout_alignleft="@+id/txtachievement" android:layout_alignstart="@+id/txtachievement" android:padding="5dp" android:text="m" android:textappearance="?android:attr/textappearancemedium" android:textcolor="#ffffff" /> <button android:id="@+id/bvalue" style="?android:attr/buttonstylesmall" android:layout_width="120dp" android:layout_height="wrap_content" android:layout_alignbaseline="@+id/txtachievement" android:layout_alignbottom="@+id/txtachievement" android:layout_alignleft="@+id/bton" android:layout_alignstart="@+id/bton" android:text="value" android:textcolor="@color/border_gray" /> <button android:id="@+id/bton" style="?android:attr/buttonstylesmall" android:layout_width="120dp" android:layout_height="wrap_content" android:layout_alignparentend="true" android:layout_alignparentright="true" android:layout_aligntop="@+id/txttarget" android:text="ton" android:textcolor="@color/border_gray" /> <button android:id="@+id/bcollection" style="?android:attr/buttonstylesmall" android:layout_width="120dp" android:layout_height="wrap_content" android:layout_alignbottom="@+id/txtcollection" android:layout_alignleft="@+id/bvalue" android:layout_alignstart="@+id/bvalue" android:text="collection" android:textcolor="@color/border_gray" /> </relativelayout> </relativelayout> <include android:id="@+id/bottom_sheet" layout="@layout/bottom_sheet" /> </android.support.design.widget.coordinatorlayout> <fragment android:id="@+id/fragment_navigation_drawer" android:name="com.ceatkelanisrilanka.dushanmadushanka.ceat.fragments.navigationdrawerfragment" android:layout_width="@dimen/nav_drawer_width" android:layout_height="match_parent" android:layout_gravity="start" app:layout="@layout/fragment_navigation_drawer" tools:layout="@layout/fragment_navigation_drawer"></fragment> <fragment android:id="@+id/month_navigation_drawer" android:name="com.ceatkelanisrilanka.dushanmadushanka.ceat.fragments.monthnavigationdrawerfragment" android:layout_width="@dimen/month_nav_drawer_width" android:layout_height="match_parent" android:layout_gravity="end" app:layout="@layout/month_navigation_drawer" tools:layout="@layout/month_navigation_drawer"></fragment> </android.support.v4.widget.drawerlayout> my monthnavigationdrawerfragment recyclerview click
recyclerview.addonitemtouchlistener(new recycletouchlistner(getactivity(), recyclerview, new clicklistener() { @override public void onclick(view view, int position) { switch (position) { case 0: welcomemenu.openbottomsheet(); mdrawerlayout.closedrawers(); break; case 1: ...... } } })); return vieww; } my welcomemenu class
public class welcomemenu extends appcompatactivity { @override protected void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); setcontentview(r.layout.welcome_menu); vollysingleton = vollysingleton.getsinstance(); requestqueue = vollysingleton.getmrequestqueue(); typeface = typeface.createfromasset(getassets(), "helvr.ttf"); sntypeface = typeface.createfromasset(getassets(), "dl_paras.ttf"); welcomscreentypeface = typeface.createfromasset(getassets(), "productsans.ttf"); progressview = (progressview) findviewbyid(r.id.pviewew); bottomsheet = findviewbyid(r.id.bottom_sheet); bottomsheetbehavior = bottomsheetbehavior.from(bottomsheet); initstate = bottomsheetbehavior.state_collapsed; bottomsheet.post(new runnable() { @override public void run() { bottomsheetbehavior.setstate(initstate); } }); toolbar = (toolbar) findviewbyid(r.id.app_bar); setsupportactionbar(toolbar); getsupportactionbar().setdisplayhomeasupenabled(true); getsupportactionbar().settitle("achivements"); navigationdrawerfragment navigationdrawerfragment = (navigationdrawerfragment) getsupportfragmentmanager().findfragmentbyid(r.id.fragment_navigation_drawer); navigationdrawerfragment.setup(r.id.fragment_navigation_drawer, (drawerlayout) findviewbyid(r.id.drawer_layout_widget), toolbar); monthnavigationdrawerfragment monthnavigationdrawerfragment = (monthnavigationdrawerfragment) getsupportfragmentmanager().findfragmentbyid(r.id.month_navigation_drawer); monthnavigationdrawerfragment.setup(r.id.month_navigation_drawer, (drawerlayout) findviewbyid(r.id.drawer_layout_widget), toolbar); final calendar calendar = calendar.getinstance(); simpledateformat month_date = new simpledateformat("mmmm"); string month_name = month_date.format(calendar.gettime()); int year_name = calendar.get(calendar.year); int monthno = calendar.get(calendar.month); txttarget = (textview) findviewbyid(r.id.txttarget); txtachievement = (textview) findviewbyid(r.id.txtachievement); txtcollection = (textview) findviewbyid(r.id.txtcollection); txtmonth = (textview) findviewbyid(r.id.txtmonth); txtmonthsn = (textview) findviewbyid(r.id.txtmonthsn); txtyear = (textview) findviewbyid(r.id.yeartextv); txtm_tar = (textview) findviewbyid(r.id.txtmtar); txtm_ach = (textview) findviewbyid(r.id.txtmach); txtm_prec = (textview) findviewbyid(r.id.txtpre); arcprogress = (arcprogress) findviewbyid(r.id.arc_progress); pview = (textview) findviewbyid(r.id.pview); //arcprogressprecentage = (arcprogress) findviewbyid(r.id.arc_progress_two); df = new simpledateformat("yyyy-mm"); systemdate = df.format(new date()); arcview = (decoview) findviewbyid(r.id.dynamicarcview); bton = (button) findviewbyid(r.id.bton); bvalue = (button) findviewbyid(r.id.bvalue); bcollection = (button) findviewbyid(r.id.bcollection); txtmonth.settext(month_name); txtmonth.settypeface(typeface); txtm_prec.settypeface(welcomscreentypeface); txtm_ach.settypeface(welcomscreentypeface); txtm_tar.settypeface(welcomscreentypeface); txtyear.settext(string.valueof(year_name)); db = new sqlitehandler(getapplicationcontext()); // session manager session = new sessionmanager(getapplicationcontext()); if (!session.isloggedin()) { logoutuser(); } else { //pass button click operation getjsonrequest(bton, bcollection, bvalue, systemdate); } } public void openbottomsheet() { bottomsheetbehavior = bottomsheetbehavior.from(bottomsheet); bottomsheetbehavior.setstate(bottomsheetbehavior.state_expanded); } } logcat
10:11:48.907 18943-18943/com.ceatkelanisrilanka.dushanmadushanka.ceat e/androidruntime: fatal exception: main process: com.ceatkelanisrilanka.dushanmadushanka.ceat, pid: 18943 java.lang.nullpointerexception: attempt invoke virtual method 'void android.support.design.widget.bottomsheetbehavior.setstate(int)' on null object reference @ com.ceatkelanisrilanka.dushanmadushanka.ceat.welcomemenu.openbottomsheet(welcomemenu.java:816) @ com.ceatkelanisrilanka.dushanmadushanka.ceat.fragments.monthnavigationdrawerfragment$1.onclick(monthnavigationdrawerfragment.java:87) @ com.ceatkelanisrilanka.dushanmadushanka.ceat.fragments.monthnavigationdrawerfragment$recycletouchlistner.onintercepttouchevent(monthnavigationdrawerfragment.java:239) @ android.support.v7.widget.recyclerview.dispatchonitemtouchintercept(recyclerview.java:2206) @ android.support.v7.widget.recyclerview.onintercepttouchevent(recyclerview.java:2252) @ android.view.viewgroup.dispatchtouchevent(viewgroup.java:1960) @ android.view.viewgroup.dispatchtransformedtouchevent(viewgroup.java:2405) @ android.view.viewgroup.dispatchtouchevent(viewgroup.java:2106) @ android.view.viewgroup.dispatchtransformedtouchevent(viewgroup.java:2405) @ android.view.viewgroup.dispatchtouchevent(viewgroup.java:2106) @ android.view.viewgroup.dispatchtransformedtouchevent(viewgroup.java:2405) @ android.view.viewgroup.dispatchtouchevent(viewgroup.java:2106) @ android.view.viewgroup.dispatchtransformedtouchevent(viewgroup.java:2405) @ android.view.viewgroup.dispatchtouchevent(viewgroup.java:2106) @ android.view.viewgroup.dispatchtransformedtouchevent(viewgroup.java:2405) @ android.view.viewgroup.dispatchtouchevent(viewgroup.java:2106) @ android.view.viewgroup.dispatchtransformedtouchevent(viewgroup.java:2405) @ android.view.viewgroup.dispatchtouchevent(viewgroup.java:2106) @ android.view.viewgroup.dispatchtransformedtouchevent(viewgroup.java:2405) @ android.view.viewgroup.dispatchtouchevent(viewgroup.java:2106) @ com.android.internal.policy.impl.phonewindow$decorview.superdispatchtouchevent(phonewindow.java:2369) @ com.android.internal.policy.impl.phonewindow.superdispatchtouchevent(phonewindow.java:1719) @ android.app.activity.dispatchtouchevent(activity.java:2742) @ android.support.v7.view.windowcallbackwrapper.dispatchtouchevent(windowcallbackwrapper.java:60) @ android.support.v7.view.windowcallbackwrapper.dispatchtouchevent(windowcallbackwrapper.java:60) @ com.android.internal.policy.impl.phonewindow$decorview.dispatchtouchevent(phonewindow.java:2330) @ android.view.view.dispatchpointerevent(view.java:8666) @ android.view.viewrootimpl$viewpostimeinputstage.processpointerevent(viewrootimpl.java:4123) @ android.view.viewrootimpl$viewpostimeinputstage.onprocess(viewrootimpl.java:3989) @ android.view.viewrootimpl$inputstage.deliver(viewrootimpl.java:3544) @ android.view.viewrootimpl$inputstage.ondelivertonext(viewrootimpl.java:3597) @ android.view.viewrootimpl$inputstage.forward(viewrootimpl.java:3563) @ android.view.viewrootimpl$asyncinputstage.forward(viewrootimpl.java:3680) @ android.view.viewrootimpl$inputstage.apply(viewrootimpl.java:3571) @ android.view.viewrootimpl$asyncinputstage.apply(viewrootimpl.java:3737) @ android.view.viewrootimpl$inputstage.deliver(viewrootimpl.java:3544) @ android.view.viewrootimpl$inputstage.ondelivertonext(viewrootimpl.java:3597) @ android.view.viewrootimpl$inputstage.forward(viewrootimpl.java:3563) @ android.view.viewrootimpl$inputstage.apply(viewrootimpl.java:3571) @ android.view.viewrootimpl$inputstage.deliver(viewrootimpl.java:3544) @ android.view.viewrootimpl.deliverinputevent(viewrootimpl.java:5807) @ android.view.viewrootimpl.doprocessinputevents(viewrootimpl.java:5781) @ android.view.viewrootimpl.enqueueinputevent(viewrootimpl.java:5752) @ android.view.viewrootimpl$windowinputeventreceiver.oninputevent(viewrootimpl.java:5897) @ android.view.inputeventreceiver.dispatchinputevent(inputeventreceiver.java:185) @ android.os.messagequeue.nativepollonce(native method) @ android.os.messagequeue.next(messagequeue.jav 04-20 10:16:48.999 18943-18943/com.ceatkelanisrilanka.dushanmadushanka.ceat i/process: sending signal. pid: 18943 sig: 9
you can try first close navigation drawer , open bottom sheet try interchange lines of code
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