Merge "Add more debug info when a container view ID can't be found." into jb-mr1-dev (e9c2f18c) · Commits · e / os / android_frameworks_base

core/java/android/app/FragmentManager.java

+90 −3

Original line number	Diff line number	Diff line
		@@ -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;