[Mono-bugs] [Bug 639679] StartActivity() requiring intent to have FLAG_ACTIVITY_NEW_TASK and not assuming the caller's task affinity

[bugzilla_noreply at novell.com]

https://bugzilla.novell.com/show_bug.cgi?id=639679

https://bugzilla.novell.com/show_bug.cgi?id=639679#c1


Jonathan Pryor <jpryor at novell.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jpryor at novell.com

--- Comment #1 from Jonathan Pryor <jpryor at novell.com> 2010-09-21 14:42:33 UTC ---
And for the "what would Java do" side of things, here's the equivalent Java:

package com.jprl.mines;

import android.app.*;
import android.content.*;
import android.os.*;
import android.view.View;
import android.widget.*;

public class MinesActivity extends ListActivity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        String[] items = new String[]{
                "Item One",
                "Second Item",
        };
        ArrayAdapter<String> adapter = new ArrayAdapter<String> (
                this, 
                android.R.layout.simple_list_item_1,
                items);
        setListAdapter(adapter);
        getListView().setOnItemClickListener(new
AdapterView.OnItemClickListener() {
            public void onItemClick(AdapterView<?> parent, View view, int
position, long id) {
                Intent intent = new Intent ();
                intent.setClassName(getBaseContext(),
"monoDroidTesting.SubActivity");
                startActivity (intent);
            }
        });        
    }
}

The result: 

E/AndroidRuntime(  432): android.content.ActivityNotFoundException: Unable to
find explicit activity class {com.jprl.mines/monoDroidTesting.SubActivity};
have you declared this activity in your AndroidManifest.xml?
E/AndroidRuntime(  432):     at
android.app.Instrumentation.checkStartActivityResult(Instrumentation.java:1404)
E/AndroidRuntime(  432):     at
android.app.Instrumentation.execStartActivity(Instrumentation.java:1378)
E/AndroidRuntime(  432):     at
android.app.Activity.startActivityForResult(Activity.java:2749)
E/AndroidRuntime(  432):     at
android.app.Activity.startActivity(Activity.java:2855)
E/AndroidRuntime(  432):     at
com.jprl.mines.MinesActivity$1.onItemClick(MinesActivity.java:31)
E/AndroidRuntime(  432):     at
android.widget.AdapterView.performItemClick(AdapterView.java:284)
E/AndroidRuntime(  432):     at
android.widget.ListView.performItemClick(ListView.java:3285)
E/AndroidRuntime(  432):     at
android.widget.AbsListView$PerformClick.run(AbsListView.java:1640)
E/AndroidRuntime(  432):     at
android.os.Handler.handleCallback(Handler.java:587)
E/AndroidRuntime(  432):     at
android.os.Handler.dispatchMessage(Handler.java:92)
E/AndroidRuntime(  432):     at android.os.Looper.loop(Looper.java:123)
E/AndroidRuntime(  432):     at
android.app.ActivityThread.main(ActivityThread.java:4363)
E/AndroidRuntime(  432):     at java.lang.reflect.Method.invokeNative(Native
Method)
E/AndroidRuntime(  432):     at
java.lang.reflect.Method.invoke(Method.java:521)
E/AndroidRuntime(  432):     at
com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860)
E/AndroidRuntime(  432):     at
com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)
E/AndroidRuntime(  432):     at dalvik.system.NativeStart.main(Native Method)


i.e. Java also fails, but for a DIFFERENT reason: the class
"monoDroidTesting.SubActivity" doesn't exist.  (Which makes sense, we can't
very well ask Android to launch a type that doesn't exist...)

Note that we do NOT get an error about FLAG_ACTIVITY_NEW_TASK.

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