java - App crashes when calling startActivityForResult -


i'm working on first android app, in case me cook better. have 2 activities i'm struggling with, mainactivity.java , whatcanimake.java. when start whatcanimake mainactivity using startactivity(intent), i'm able pass objects using parcelables , use whatcanimake. issue want able pass list of i've changed in whatcanimake activity. example: pass in list of ingredients have, , whatcanimake removes ingredients recipe uses. i'd pass updated list of remaining ingredients.

the problem i'm having startactivityforresult(). able use startactivity(), pass intent parcelables, , bob's uncle. when changed on startactivityforresult(), new activity fails launch, app crashes before hitting oncreate(). points implementation of startactivityforresult(), i've read every stack overflow question related startactivityforresult() , i'm here!

my code starting whatcanimake below, onactivityresult() , corresponding code inside whatcanimake.

it's odd me can change out startactivityforresult() startactivity() , app works again! in advance.

mainactivity.java:

    public void searchrecipe(view view) {         crossviewvariables.setmakesort('a');         intent recipe = new intent(this, whatcanimake.class);         recipe.putextra("pantry",stock);         recipe.putextra("cookbook",activecookbook);         recipe.setflags(intent.flag_activity_forward_result);         startactivityforresult(recipe,r.integer.search_by_recipe);         //startactivity(recipe);     }      @override     protected void onactivityresult(int requestcode, int resultcode, intent data) {         switch(requestcode) {               case (r.integer.search_by_recipe)://comes recipe search?                 if (resultcode == activity.result_ok) {                     bundle b = data.getextras();                     stock = b.getparcelable("pantry");                 }                 if (resultcode == activity.result_canceled) {                  }               case (r.integer.search_by_ingredient)://comes recipe search?                 if (resultcode == activity.result_ok) {                     bundle b = data.getextras();                     stock = b.getparcelable("pantry");                 }                 if (resultcode == activity.result_canceled) {                  }               case (r.integer.make_recipe)://comes seerecipe?                 if (resultcode == activity.result_ok) {                     bundle b = data.getextras();                     stock = b.getparcelable("pantry");                 }                 if (resultcode == activity.result_canceled) {                     toast.maketext(getapplicationcontext(), "cancelled", toast.length_long).show();                 }              case (r.integer.edit_pantry):                 if (resultcode == activity.result_ok) {                     bundle b = data.getextras();                     stock = b.getparcelable("pantry");                 }         }     }

whatcanimake.java:

    intent result = new intent();     result.putextra("pantry", stock);     setresult(activity.result_ok,result);     finish();

logcat:

fatal exception: main                                                                            process: com.example.schre.mememachine, pid: 26721                                                                            java.lang.illegalstateexception: not execute method android:onclick                                                                                @ android.support.v7.app.appcompatviewinflater$declaredonclicklistener.onclick(appcompatviewinflater.java:293)                                                                                @ android.view.view.performclick(view.java:5697)                                                                                @ android.widget.textview.performclick(textview.java:10826)                                                                                @ android.view.view$performclick.run(view.java:22526)                                                                                @ android.os.handler.handlecallback(handler.java:739)                                                                                @ android.os.handler.dispatchmessage(handler.java:95)                                                                                @ android.os.looper.loop(looper.java:158)                                                                                @ android.app.activitythread.main(activitythread.java:7224)                                                                                @ java.lang.reflect.method.invoke(native method)                                                                                @ com.android.internal.os.zygoteinit$methodandargscaller.run(zygoteinit.java:1230)                                                                                @ com.android.internal.os.zygoteinit.main(zygoteinit.java:1120)                                                                             caused by: java.lang.reflect.invocationtargetexception                                                                                @ java.lang.reflect.method.invoke(native method)                                                                                @ android.support.v7.app.appcompatviewinflater$declaredonclicklistener.onclick(appcompatviewinflater.java:288)                                                                                @ android.view.view.performclick(view.java:5697)                                                                                 @ android.widget.textview.performclick(textview.java:10826)                                                                                 @ android.view.view$performclick.run(view.java:22526)                                                                                 @ android.os.handler.handlecallback(handler.java:739)                                                                                 @ android.os.handler.dispatchmessage(handler.java:95)                                                                                 @ android.os.looper.loop(looper.java:158)                                                                                 @ android.app.activitythread.main(activitythread.java:7224)                                                                                 @ java.lang.reflect.method.invoke(native method)                                                                                 @ com.android.internal.os.zygoteinit$methodandargscaller.run(zygoteinit.java:1230)                                                                                 @ com.android.internal.os.zygoteinit.main(zygoteinit.java:1120)                                                                              caused by: android.util.androidruntimeexception: forward_result_flag used while requesting result                                                                                @ android.app.instrumentation.checkstartactivityresult(instrumentation.java:1884)                                                                                @ android.app.instrumentation.execstartactivity(instrumentation.java:1545)                                                                                @ android.app.activity.startactivityforresult(activity.java:4283)                                                                                @ android.support.v4.app.basefragmentactivityjb.startactivityforresult(basefragmentactivityjb.java:50)                                                                                @ android.support.v4.app.fragmentactivity.startactivityforresult(fragmentactivity.java:79)                                                                                @ android.app.activity.startactivityforresult(activity.java:4230)                                                                                @ android.support.v4.app.fragmentactivity.startactivityforresult(fragmentactivity.java:859)                                                                                @ com.example.schre.mememachine.mainactivity.searchrecipe(mainactivity.java:91)                                                                                @ java.lang.reflect.method.invoke(native method)                                                                                 @ android.support.v7.app.appcompatviewinflater$declaredonclicklistener.onclick(appcompatviewinflater.java:288)                                                                                 @ android.view.view.performclick(view.java:5697)                                                                                 @ android.widget.textview.performclick(textview.java:10826)                                                                                 @ android.view.view$performclick.run(view.java:22526)                                                                                 @ android.os.handler.handlecallback(handler.java:739)                                                                                 @ android.os.handler.dispatchmessage(handler.java:95)                                                                                 @ android.os.looper.loop(looper.java:158)                                                                                 @ android.app.activitythread.main(activitythread.java:7224)                                                                                 @ java.lang.reflect.method.invoke(native method)                                                                                 @ com.android.internal.os.zygoteinit$methodandargscaller.run(zygoteinit.java:1230)                                                                                 @ com.android.internal.os.zygoteinit.main(zygoteinit.java:1120)

remove line:

recipe.setflags(intent.flag_activity_forward_result);

you not need startactivityforresult(), , it's causing crash.


Comments

Post a Comment

Popular posts from this blog

android - InAppBilling registering BroadcastReceiver in AndroidManifest -

i'm implementing inapp billing in android app. works well, however, i'm trying decouple broadcast receiver activity manifest. suggestion in android's trivialdrive sample: // important: dynamically register broadcast messages updated purchases. // register receiver here instead of <receiver> in manifest // because call getpurchases() @ startup, therefore can ignore // broadcasts sent while app isn't running. // note: registering listener in activity bad idea, done here // because sample. regardless, receiver must registered after // iabhelper setup, before first call getpurchases(). currently there's class extends broadcastreceiver : public class iabbroadcastreceiver extends broadcastreceiver { /** * intent action receiver should filter for. */ public static final string action = "com.android.vending.billing.purchases_updated"; private final iabbroadcastlistener mlistener; public iabbroadcastreceiver(iabbroadcastlistener listener) { m...
Read more

python Tkinter Capturing keyboard events save as one single string -

is possible store keyboard events 1 string? code below stores 1 char , prints it. card reader or bar code reader, contains collection of character/ string not 1 character @ time. goal save char pressed text variable. from tkinter import * root = tk() def key(event): text= event.char text+= event.char print ("pressed", text) def callback(event): frame.focus_set() print ("clicked at", event.x, event.y) frame = frame(root, width=100, height=100) frame.bind("<key>", key) frame.bind("<button-1>", callback) frame.pack() root.mainloop() currently, creating text variable , everytime key() function gets called, , text stores last character typed. you can define text module level variable , , use module level text inside key function - text = '' def key(event): global text text+= event.char print("pressed", text)
Read more

sql server - Why does Linq-to-SQL add unnecessary COUNT()? -

here tables: create table customer ( cid int primary key, name varchar(32) ) create table ord ( oid int primary key, cid int foreign key references customer, address varchar(20) ) here's linq-to-sql statement: var aaa = c in db.customer select new { c, o = c.ord.tolist() }; and here's inexplicable query generated linq-to-sql: select [t0].[cid] [cid], [t0].[name] [name], [t1].[oid] [oid], [t1].[cid] [cid2], [t1].[address] [address], (select count(*) [dbo].[ord] [t2] [t2].[cid] = [t0].[cid]) [value] [dbo].[customer] [t0] left outer join [dbo].[ord] [t1] on [t1].[cid] = [t0].[cid] order [t0].[cid], [t1].[oid] i want understand how rid of count(*) part. it's entirely uncalled for! linq needs count(*) in order determine number of entries returned o = c.ord.tolist() .
Read more