Thanks, that little change to the manifest did exactly what I wanted.
As for the error, I don't know why but now it's a RemoteException, and
it happens the second time I push a button and try to add a view. That
is, if I start out with the 2D view, I can change to 3D but then I try
changing back to 2D and it crashes when trying to add the 2D view even
though I remove it when I press the 3D button. Could it be that
removeView doesn't actually remove the view at all, but just hides it?
Either way, what I want is to only have one view attached to my main
view with the radio buttons, at all times.
Here is the logcat output:
03-09 16:57:30.061 D/AndroidRuntime( 958):
03-09 16:57:30.061 D/AndroidRuntime( 958): >>>>>>>>>>>>>>
AndroidRuntime START
<<<<<<<<<<<<<<
03-09 16:57:30.088 D/AndroidRuntime( 958): CheckJNI is ON
03-09 16:57:30.638 D/AndroidRuntime( 958): --- registering native
functions ---
03-09 16:57:32.418 D/PackageParser( 564): Scanning package: /data/app/
vmdl35068
.tmp
03-09 16:57:32.657 I/jdwp ( 958): received file descriptor 27 from
ADB
03-09 16:57:32.710 I/PackageManager( 564): /data/app/vmdl35068.tmp
changed; unp
acking
03-09 16:57:32.737 D/installd( 543): DexInv: --- BEGIN '/data/app/
vmdl35068.tmp
' ---
03-09 16:57:33.288 D/dalvikvm( 965): DexOpt: load 124ms, verify 49ms,
opt 2ms
03-09 16:57:33.338 D/installd( 543): DexInv: --- END '/data/app/
vmdl35068.tmp'
(success) ---
03-09 16:57:33.537 I/installd( 543): move /data/dalvik-cache/
d...@app@vmdl35068
....@classes.dex -> /data/dalvik-cache/
d...@app@com.test....@classes.dex
03-09 16:57:33.577 D/PackageManager( 564): New package installed in /
data/app/c
om.test.apk
03-09 16:57:33.877 D/AndroidRuntime( 958): Shutting down VM
03-09 16:57:33.887 D/dalvikvm( 958): DestroyJavaVM waiting for non-
daemon threa
ds to exit
03-09 16:57:33.928 D/dalvikvm( 958): DestroyJavaVM shutting VM down
03-09 16:57:33.937 D/dalvikvm( 958): HeapWorker thread shutting down
03-09 16:57:33.937 D/dalvikvm( 958): HeapWorker thread has shut down
03-09 16:57:33.937 D/jdwp ( 958): JDWP shutting down net...
03-09 16:57:33.937 D/jdwp ( 958): +++ peer disconnected
03-09 16:57:33.937 I/dalvikvm( 958): Debugger has detached; object
registry had
1 entries
03-09 16:57:33.957 D/dalvikvm( 958): VM cleaning up
03-09 16:57:34.058 D/dalvikvm( 958): LinearAlloc 0x0 used 629572 of
4194304 (15
%)
03-09 16:57:34.558 D/dalvikvm( 564): GC freed 5649 objects / 328304
bytes in 39
9ms
03-09 16:57:34.588 D/HomeLoaders( 608): application intent received:
android.in
tent.action.PACKAGE_ADDED, replacing=false
03-09 16:57:34.588 D/HomeLoaders( 608): --> package:com.test
03-09 16:57:34.588 D/HomeLoaders( 608): --> add package
03-09 16:57:34.748 W/ResourceType( 564): No package identifier when
getting val
ue for resource number 0x7f060000
03-09 16:57:34.777 W/ResourceType( 564): No package identifier when
getting val
ue for resource number 0x7f060001
03-09 16:57:35.977 D/AndroidRuntime( 970):
03-09 16:57:35.977 D/AndroidRuntime( 970): >>>>>>>>>>>>>>
AndroidRuntime START
<<<<<<<<<<<<<<
03-09 16:57:35.987 D/AndroidRuntime( 970): CheckJNI is ON
03-09 16:57:36.710 D/AndroidRuntime( 970): --- registering native
functions ---
03-09 16:57:38.398 I/ActivityManager( 564): Starting activity: Intent
{ flags=0
x10000000 comp={com.test/com.test.App} }
03-09 16:57:38.568 D/AndroidRuntime( 970): Shutting down VM
03-09 16:57:38.579 D/dalvikvm( 970): DestroyJavaVM waiting for non-
daemon threa
ds to exit
03-09 16:57:38.607 D/dalvikvm( 970): DestroyJavaVM shutting VM down
03-09 16:57:38.607 D/dalvikvm( 970): HeapWorker thread shutting down
03-09 16:57:38.617 D/dalvikvm( 970): HeapWorker thread has shut down
03-09 16:57:38.627 D/jdwp ( 970): JDWP shutting down net...
03-09 16:57:38.667 D/dalvikvm( 970): VM cleaning up
03-09 16:57:38.739 I/ActivityManager( 564): Start proc com.test for
activity co
m.test/.App: pid=977 uid=10020 gids={}
03-09 16:57:38.918 D/dalvikvm( 970): LinearAlloc 0x0 used 637060 of
4194304 (15
%)
03-09 16:57:40.207 I/ActivityManager( 564): Displayed activity
com.test/.App: 1
785 ms
03-09 16:57:40.417 I/jdwp ( 977): received file descriptor 30 from
ADB
03-09 16:57:40.598 W/System.err( 977): Can't dispatch DDM chunk
46454154: no ha
ndler defined
03-09 16:57:40.598 W/System.err( 977): Can't dispatch DDM chunk
4d505251: no ha
ndler defined
03-09 16:57:43.149 D/AndroidRuntime( 977): Shutting down VM
03-09 16:57:43.161 W/dalvikvm( 977): threadid=3: thread exiting with
uncaught e
xception (group=0x4000fe70)
03-09 16:57:43.170 E/AndroidRuntime( 977): Uncaught handler: thread
main exitin
g due to uncaught exception
03-09 16:57:43.217 E/AndroidRuntime( 977):
java.lang.IllegalStateException: The
specified child already has a parent. You must call removeView() on
the child's
parent first.
03-09 16:57:43.217 E/AndroidRuntime( 977): at
android.view.ViewGroup.addVie
wInner(ViewGroup.java:1816)
03-09 16:57:43.217 E/AndroidRuntime( 977): at
android.view.ViewGroup.addVie
w(ViewGroup.java:1711)
03-09 16:57:43.217 E/AndroidRuntime( 977): at
android.view.ViewGroup.addVie
w(ViewGroup.java:1668)
03-09 16:57:43.217 E/AndroidRuntime( 977): at
android.view.ViewGroup.addVie
w(ViewGroup.java:1648)
03-09 16:57:43.217 E/AndroidRuntime( 977): at com.test.App
$1.onCheckedChang
ed(App.java:31)
03-09 16:57:43.217 E/AndroidRuntime( 977): at
android.widget.RadioGroup.set
CheckedId(RadioGroup.java:172)
03-09 16:57:43.217 E/AndroidRuntime( 977): at
android.widget.RadioGroup.acc
ess$600(RadioGroup.java:52)
03-09 16:57:43.217 E/AndroidRuntime( 977): at
android.widget.RadioGroup$Che
ckedStateTracker.onCheckedChanged(RadioGroup.java:342)
03-09 16:57:43.217 E/AndroidRuntime( 977): at
android.widget.CompoundButton
.setChecked(CompoundButton.java:125)
03-09 16:57:43.217 E/AndroidRuntime( 977): at
android.widget.CompoundButton
.toggle(CompoundButton.java:85)
03-09 16:57:43.217 E/AndroidRuntime( 977): at
android.widget.RadioButton.to
ggle(RadioButton.java:69)
03-09 16:57:43.217 E/AndroidRuntime( 977): at
android.widget.CompoundButton
.performClick(CompoundButton.java:97)
03-09 16:57:43.217 E/AndroidRuntime( 977): at
android.view.View.onTouchEven
t(View.java:3828)
03-09 16:57:43.217 E/AndroidRuntime( 977): at
android.widget.TextView.onTou
chEvent(TextView.java:6291)
03-09 16:57:43.217 E/AndroidRuntime( 977): at
android.view.View.dispatchTou
chEvent(View.java:3368)
03-09 16:57:43.217 E/AndroidRuntime( 977): at
android.view.ViewGroup.dispat
chTouchEvent(ViewGroup.java:863)
03-09 16:57:43.217 E/AndroidRuntime( 977): at
android.view.ViewGroup.dispat
chTouchEvent(ViewGroup.java:863)
03-09 16:57:43.217 E/AndroidRuntime( 977): at
android.view.ViewGroup.dispat
chTouchEvent(ViewGroup.java:863)
03-09 16:57:43.217 E/AndroidRuntime( 977): at
android.view.ViewGroup.dispat
chTouchEvent(ViewGroup.java:863)
03-09 16:57:43.217 E/AndroidRuntime( 977): at
android.view.ViewGroup.dispat
chTouchEvent(ViewGroup.java:863)
03-09 16:57:43.217 E/AndroidRuntime( 977): at
com.android.internal.policy.i
mpl.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:
1707)
03-09 16:57:43.217 E/AndroidRuntime( 977): at
com.android.internal.policy.i
mpl.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1197)
03-09 16:57:43.217 E/AndroidRuntime( 977): at
android.app.Activity.dispatch
TouchEvent(Activity.java:1993)
03-09 16:57:43.217 E/AndroidRuntime( 977): at
com.android.internal.policy.i
mpl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:1691)
03-09 16:57:43.217 E/AndroidRuntime( 977): at
android.view.ViewRoot.handleM
essage(ViewRoot.java:1525)
03-09 16:57:43.217 E/AndroidRuntime( 977): at
android.os.Handler.dispatchMe
ssage(Handler.java:99)
03-09 16:57:43.217 E/AndroidRuntime( 977): at
android.os.Looper.loop(Looper
.java:123)
03-09 16:57:43.217 E/AndroidRuntime( 977): at
android.app.ActivityThread.ma
in(ActivityThread.java:3948)
03-09 16:57:43.217 E/AndroidRuntime( 977): at
java.lang.reflect.Method.invo
keNative(Native Method)
03-09 16:57:43.217 E/AndroidRuntime( 977): at
java.lang.reflect.Method.invo
ke(Method.java:521)
03-09 16:57:43.217 E/AndroidRuntime( 977): at
com.android.internal.os.Zygot
eInit$MethodAndArgsCaller.run(ZygoteInit.java:782)
03-09 16:57:43.217 E/AndroidRuntime( 977): at
com.android.internal.os.Zygot
eInit.main(ZygoteInit.java:540)
03-09 16:57:43.217 E/AndroidRuntime( 977): at
dalvik.system.NativeStart.mai
n(Native Method)
03-09 16:57:43.278 I/Process ( 564): Sending signal. PID: 977 SIG: 3
03-09 16:57:43.278 I/dalvikvm( 977): threadid=7: reacting to signal 3
03-09 16:57:43.377 I/dalvikvm( 977): Wrote stack trace to '/data/anr/
traces.txt
'
03-09 16:57:44.808 I/Process ( 977): Sending signal. PID: 977 SIG: 9
03-09 16:57:44.847 I/ActivityManager( 564): Process com.test (pid
977) has died
.
03-09 16:57:44.897 I/WindowManager( 564): WIN DEATH: Window{436e1840
com.test/c
om.test.App paused=false}
03-09 16:57:45.247 W/InputManagerService( 564): Got RemoteException
sending set
Active(false) notification to pid 977 uid 10020
And the entire Java class is here:
package com.test;
import com.test.R;
import android.app.Activity;
import android.os.Bundle;
import android.widget.RadioGroup;
import android.widget.RelativeLayout;
public class App extends Activity {
RelativeLayout main;
_2DView _2D;
_3DView _3D;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
if (savedInstanceState == null) {
_2D = new _2DView(this);
_3D = new _3DView(this);
main = (RelativeLayout) findViewById(R.id.window);
main.addView(_2D);
RadioGroup.OnCheckedChangeListener buttonListener = new
RadioGroup.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(RadioGroup group,
int checkedId) {
if (checkedId == R.id._2D) {
main.removeView(findViewById(R.id._3D));
main.addView(_2D);
}
else if (checkedId == R.id._3D) {
main.removeView(findViewById(R.id._2D));
main.addView(_3D);
}
}
};
RadioGroup dimensions = (RadioGroup)
findViewById(R.id.dimensions);
dimensions.setOnCheckedChangeListener(buttonListener);
}
}
}
I couldn't find the /data/anr/traces.txt file anywhere though so I
haven't included that. I see the problem in the logcat output though,
the exception being that the child already has a parent, but since I
do call removeView on main BEFORE adding another view, I don't see how
this could be happening.
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