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am e9c2f18c: Merge "Add more debug info when a container view ID can\'t be found." into jb-mr1-dev

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* commit 'e9c2f18c8ec9c5a09fce0d48a71bb2ce93ca75c4':
  Add more debug info when a container view ID can't be found.
This commit is contained in:
Dianne Hackborn
2012-08-15 14:39:45 -07:00
committed by Android Git Automerger
parent e73e5d33a8 e9c2f18c8e
commit 777e977c0f
1 changed files with 90 additions and 3 deletions
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93
core/java/android/app/FragmentManager.java
View File

@@ -20,6 +20,7 @@ import android.animation.Animator;
import android.animation.AnimatorInflater;
import android.animation.AnimatorListenerAdapter;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.content.res.TypedArray;
import android.os.Bundle;
import android.os.Handler;
@@ -427,6 +428,94 @@ final class FragmentManagerImpl extends FragmentManager {
}
};
private void logViewHierarchy(String prefix, View view) {
StringBuilder builder = new StringBuilder(128);
builder.append(prefix);
DebugUtils.buildShortClassTag(view, builder);
int id = view.getId();
if (id != -1) {
builder.append(" #");
builder.append(Integer.toHexString(id));
if (id != 0 && id != -1) {
try {
String pkgname;
switch (id&0xff000000) {
case 0x7f000000:
pkgname="app";
break;
case 0x01000000:
pkgname="android";
break;
default:
pkgname = view.getResources().getResourcePackageName(id);
break;
}
String typename = view.getResources().getResourceTypeName(id);
String entryname = view.getResources().getResourceEntryName(id);
builder.append(" (");
builder.append(pkgname);
builder.append(":");
builder.append(typename);
builder.append("/");
builder.append(entryname);
builder.append(")");
} catch (Resources.NotFoundException e) {
}
}
}
Object tag = view.getTag();
if (tag != null) {
builder.append(" ");
builder.append(tag);
}
builder.append("}");
Log.e(TAG, builder.toString());
if (!(view instanceof ViewGroup)) {
return;
}
ViewGroup grp = (ViewGroup)view;
final int N = grp.getChildCount();
if (N <= 0) {
return;
}
prefix = prefix + " ";
for (int i=0; i<N; i++) {
logViewHierarchy(prefix, grp.getChildAt(i));
}
}
private void throwNoViewFound(Fragment f) {
String msg = "No view found for id 0x"
+ Integer.toHexString(f.mContainerId) + " ("
+ f.getResources().getResourceName(f.mContainerId)
+ ") for fragment " + f;
Log.e(TAG, msg);
Log.e(TAG, "Activity state:");
if (f.getActivity() != null) {
try {
LogWriter logw = new LogWriter(Log.ERROR, TAG);
PrintWriter pw = new PrintWriter(logw);
f.getActivity().dump(" ", null, pw, new String[] { });
} catch (Exception e) {
Log.e(TAG, "Failed dumping state", e);
}
} else {
Log.e(TAG, " NULL ACTIVITY!");
}
Log.e(TAG, "View hierarchy:");
if (f.getActivity() != null) {
try {
logViewHierarchy(" ", f.getActivity().getWindow().getDecorView());
} catch (Exception e) {
Log.e(TAG, "Failed dumping view hierarchy", e);
}
} else {
Log.e(TAG, " NULL ACTIVITY!");
}
throw new IllegalArgumentException(msg);
}
@Override
public FragmentTransaction beginTransaction() {
return new BackStackRecord(this);
@@ -824,9 +913,7 @@ final class FragmentManagerImpl extends FragmentManager {
if (f.mContainerId != 0) {
container = (ViewGroup)mActivity.findViewById(f.mContainerId);
if (container == null && !f.mRestored) {
throw new IllegalArgumentException("No view found for id 0x"
+ Integer.toHexString(f.mContainerId)
+ " for fragment " + f);
throwNoViewFound(f);
}
}
f.mContainer = container;