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-rw-r--r--api/current.txt2
-rw-r--r--core/java/android/app/Activity.java2
-rw-r--r--core/java/android/app/BackStackRecord.java29
-rw-r--r--core/java/android/app/Fragment.java40
-rw-r--r--core/java/android/app/FragmentManager.java29
5 files changed, 46 insertions, 56 deletions
diff --git a/api/current.txt b/api/current.txt
index c8cebce..82265ed 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -3271,6 +3271,7 @@ package android.app {
method public void setArguments(android.os.Bundle);
method public void setHasOptionsMenu(boolean);
method public void setInitialSavedState(android.app.Fragment.SavedState);
+ method public void setMenuVisibility(boolean);
method public void setRetainInstance(boolean);
method public void setTargetFragment(android.app.Fragment, int);
method public void startActivity(android.content.Intent);
@@ -3336,6 +3337,7 @@ package android.app {
method public abstract java.lang.CharSequence getBreadCrumbTitle();
method public abstract int getBreadCrumbTitleRes();
method public abstract int getId();
+ method public abstract java.lang.String getName();
}
public static abstract interface FragmentManager.OnBackStackChangedListener {
diff --git a/core/java/android/app/Activity.java b/core/java/android/app/Activity.java
index 1271ddd..0e3eaaa 100644
--- a/core/java/android/app/Activity.java
+++ b/core/java/android/app/Activity.java
@@ -4206,7 +4206,6 @@ public class Activity extends ContextThemeWrapper
fragment.mContainerId = containerId;
fragment.mTag = tag;
fragment.mInLayout = true;
- fragment.mImmediateActivity = this;
fragment.mFragmentManager = mFragments;
fragment.onInflate(this, attrs, fragment.mSavedFragmentState);
mFragments.addFragment(fragment, true);
@@ -4222,7 +4221,6 @@ public class Activity extends ContextThemeWrapper
// This fragment was retained from a previous instance; get it
// going now.
fragment.mInLayout = true;
- fragment.mImmediateActivity = this;
// If this fragment is newly instantiated (either right now, or
// from last saved state), then give it the attributes to
// initialize itself.
diff --git a/core/java/android/app/BackStackRecord.java b/core/java/android/app/BackStackRecord.java
index 93330a7..e9e8e16 100644
--- a/core/java/android/app/BackStackRecord.java
+++ b/core/java/android/app/BackStackRecord.java
@@ -344,10 +344,6 @@ final class BackStackRecord extends FragmentTransaction implements
}
private void doAddOp(int containerViewId, Fragment fragment, String tag, int opcmd) {
- if (fragment.mImmediateActivity != null) {
- throw new IllegalStateException("Fragment already added: " + fragment);
- }
- fragment.mImmediateActivity = mManager.mActivity;
fragment.mFragmentManager = mManager;
if (tag != null) {
@@ -388,11 +384,6 @@ final class BackStackRecord extends FragmentTransaction implements
}
public FragmentTransaction remove(Fragment fragment) {
- if (fragment.mImmediateActivity == null) {
- throw new IllegalStateException("Fragment not added: " + fragment);
- }
- fragment.mImmediateActivity = null;
-
Op op = new Op();
op.cmd = OP_REMOVE;
op.fragment = fragment;
@@ -402,10 +393,6 @@ final class BackStackRecord extends FragmentTransaction implements
}
public FragmentTransaction hide(Fragment fragment) {
- if (fragment.mImmediateActivity == null) {
- throw new IllegalStateException("Fragment not added: " + fragment);
- }
-
Op op = new Op();
op.cmd = OP_HIDE;
op.fragment = fragment;
@@ -415,10 +402,6 @@ final class BackStackRecord extends FragmentTransaction implements
}
public FragmentTransaction show(Fragment fragment) {
- if (fragment.mImmediateActivity == null) {
- throw new IllegalStateException("Fragment not added: " + fragment);
- }
-
Op op = new Op();
op.cmd = OP_SHOW;
op.fragment = fragment;
@@ -428,10 +411,6 @@ final class BackStackRecord extends FragmentTransaction implements
}
public FragmentTransaction detach(Fragment fragment) {
- //if (fragment.mImmediateActivity == null) {
- // throw new IllegalStateException("Fragment not added: " + fragment);
- //}
-
Op op = new Op();
op.cmd = OP_DETACH;
op.fragment = fragment;
@@ -441,10 +420,6 @@ final class BackStackRecord extends FragmentTransaction implements
}
public FragmentTransaction attach(Fragment fragment) {
- //if (fragment.mImmediateActivity == null) {
- // throw new IllegalStateException("Fragment not added: " + fragment);
- //}
-
Op op = new Op();
op.cmd = OP_ATTACH;
op.fragment = fragment;
@@ -663,7 +638,6 @@ final class BackStackRecord extends FragmentTransaction implements
case OP_ADD: {
Fragment f = op.fragment;
f.mNextAnim = op.popExitAnim;
- f.mImmediateActivity = null;
mManager.removeFragment(f,
FragmentManagerImpl.reverseTransit(mTransition),
mTransitionStyle);
@@ -671,7 +645,6 @@ final class BackStackRecord extends FragmentTransaction implements
case OP_REPLACE: {
Fragment f = op.fragment;
f.mNextAnim = op.popExitAnim;
- f.mImmediateActivity = null;
mManager.removeFragment(f,
FragmentManagerImpl.reverseTransit(mTransition),
mTransitionStyle);
@@ -679,7 +652,6 @@ final class BackStackRecord extends FragmentTransaction implements
for (int i=0; i<op.removed.size(); i++) {
Fragment old = op.removed.get(i);
old.mNextAnim = op.popEnterAnim;
- f.mImmediateActivity = mManager.mActivity;
mManager.addFragment(old, false);
}
}
@@ -687,7 +659,6 @@ final class BackStackRecord extends FragmentTransaction implements
case OP_REMOVE: {
Fragment f = op.fragment;
f.mNextAnim = op.popEnterAnim;
- f.mImmediateActivity = mManager.mActivity;
mManager.addFragment(f, false);
} break;
case OP_HIDE: {
diff --git a/core/java/android/app/Fragment.java b/core/java/android/app/Fragment.java
index a8621f8..3a08e6d 100644
--- a/core/java/android/app/Fragment.java
+++ b/core/java/android/app/Fragment.java
@@ -402,10 +402,6 @@ public class Fragment implements ComponentCallbacks2, OnCreateContextMenuListene
// from all transactions.
FragmentManager mFragmentManager;
- // Set as soon as a fragment is added to a transaction (or removed),
- // to be able to do validation.
- Activity mImmediateActivity;
-
// Activity this fragment is attached to.
Activity mActivity;
@@ -438,7 +434,10 @@ public class Fragment implements ComponentCallbacks2, OnCreateContextMenuListene
// If set this fragment has menu items to contribute.
boolean mHasMenu;
-
+
+ // Set to true to allow the fragment's menu to be shown.
+ boolean mMenuVisible = true;
+
// Used to verify that subclasses call through to super class.
boolean mCalled;
@@ -888,7 +887,25 @@ public class Fragment implements ComponentCallbacks2, OnCreateContextMenuListene
}
}
}
-
+
+ /**
+ * Set a hint for whether this fragment's menu should be visible. This
+ * is useful if you know that a fragment has been placed in your view
+ * hierarchy so that the user can not currently seen it, so any menu items
+ * it has should also not be shown.
+ *
+ * @param menuVisible The default is true, meaning the fragment's menu will
+ * be shown as usual. If false, the user will not see the menu.
+ */
+ public void setMenuVisibility(boolean menuVisible) {
+ if (mMenuVisible != menuVisible) {
+ mMenuVisible = menuVisible;
+ if (mHasMenu && isAdded() && !isHidden()) {
+ mFragmentManager.invalidateOptionsMenu();
+ }
+ }
+ }
+
/**
* Return the LoaderManager for this fragment, creating it if needed.
*/
@@ -1233,7 +1250,7 @@ public class Fragment implements ComponentCallbacks2, OnCreateContextMenuListene
mRestored = false;
mBackStackNesting = 0;
mFragmentManager = null;
- mActivity = mImmediateActivity = null;
+ mActivity = null;
mFragmentId = 0;
mContainerId = 0;
mTag = null;
@@ -1421,17 +1438,14 @@ public class Fragment implements ComponentCallbacks2, OnCreateContextMenuListene
writer.print(" mInLayout="); writer.println(mInLayout);
writer.print(prefix); writer.print("mHidden="); writer.print(mHidden);
writer.print(" mDetached="); writer.print(mDetached);
- writer.print(" mRetainInstance="); writer.print(mRetainInstance);
- writer.print(" mRetaining="); writer.print(mRetaining);
+ writer.print(" mMenuVisible="); writer.print(mMenuVisible);
writer.print(" mHasMenu="); writer.println(mHasMenu);
+ writer.print(prefix); writer.print("mRetainInstance="); writer.print(mRetainInstance);
+ writer.print(" mRetaining="); writer.println(mRetaining);
if (mFragmentManager != null) {
writer.print(prefix); writer.print("mFragmentManager=");
writer.println(mFragmentManager);
}
- if (mImmediateActivity != null) {
- writer.print(prefix); writer.print("mImmediateActivity=");
- writer.println(mImmediateActivity);
- }
if (mActivity != null) {
writer.print(prefix); writer.print("mActivity=");
writer.println(mActivity);
diff --git a/core/java/android/app/FragmentManager.java b/core/java/android/app/FragmentManager.java
index 70e6866..7a6759f 100644
--- a/core/java/android/app/FragmentManager.java
+++ b/core/java/android/app/FragmentManager.java
@@ -67,6 +67,13 @@ public abstract class FragmentManager {
public int getId();
/**
+ * Get the name that was supplied to
+ * {@link FragmentTransaction#addToBackStack(String)
+ * FragmentTransaction.addToBackStack(String)} when creating this entry.
+ */
+ public String getName();
+
+ /**
* Return the full bread crumb title resource identifier for the entry,
* or 0 if it does not have one.
*/
@@ -949,7 +956,6 @@ final class FragmentManagerImpl extends FragmentManager {
if (!f.mRetaining) {
makeInactive(f);
} else {
- f.mImmediateActivity = null;
f.mActivity = null;
f.mFragmentManager = null;
}
@@ -1037,7 +1043,7 @@ final class FragmentManagerImpl extends FragmentManager {
mAdded.add(fragment);
fragment.mAdded = true;
fragment.mRemoving = false;
- if (fragment.mHasMenu) {
+ if (fragment.mHasMenu && fragment.mMenuVisible) {
mNeedMenuInvalidate = true;
}
if (moveToStateNow) {
@@ -1051,7 +1057,7 @@ final class FragmentManagerImpl extends FragmentManager {
final boolean inactive = !fragment.isInBackStack();
if (!fragment.mDetached || inactive) {
mAdded.remove(fragment);
- if (fragment.mHasMenu) {
+ if (fragment.mHasMenu && fragment.mMenuVisible) {
mNeedMenuInvalidate = true;
}
fragment.mAdded = false;
@@ -1086,7 +1092,7 @@ final class FragmentManagerImpl extends FragmentManager {
fragment.mView.setVisibility(View.GONE);
}
}
- if (fragment.mAdded && fragment.mHasMenu) {
+ if (fragment.mAdded && fragment.mHasMenu && fragment.mMenuVisible) {
mNeedMenuInvalidate = true;
}
fragment.onHiddenChanged(true);
@@ -1106,7 +1112,7 @@ final class FragmentManagerImpl extends FragmentManager {
}
fragment.mView.setVisibility(View.VISIBLE);
}
- if (fragment.mAdded && fragment.mHasMenu) {
+ if (fragment.mAdded && fragment.mHasMenu && fragment.mMenuVisible) {
mNeedMenuInvalidate = true;
}
fragment.onHiddenChanged(false);
@@ -1120,7 +1126,7 @@ final class FragmentManagerImpl extends FragmentManager {
if (fragment.mAdded) {
// We are not already in back stack, so need to remove the fragment.
mAdded.remove(fragment);
- if (fragment.mHasMenu) {
+ if (fragment.mHasMenu && fragment.mMenuVisible) {
mNeedMenuInvalidate = true;
}
fragment.mAdded = false;
@@ -1136,7 +1142,7 @@ final class FragmentManagerImpl extends FragmentManager {
if (!fragment.mAdded) {
mAdded.add(fragment);
fragment.mAdded = true;
- if (fragment.mHasMenu) {
+ if (fragment.mHasMenu && fragment.mMenuVisible) {
mNeedMenuInvalidate = true;
}
moveToState(fragment, mCurState, transition, transitionStyle);
@@ -1640,7 +1646,6 @@ final class FragmentManagerImpl extends FragmentManager {
"No instantiated fragment for index #" + fms.mAdded[i]);
}
f.mAdded = true;
- f.mImmediateActivity = mActivity;
if (DEBUG) Log.v(TAG, "restoreAllState: making added #" + i + ": " + f);
mAdded.add(f);
}
@@ -1748,7 +1753,7 @@ final class FragmentManagerImpl extends FragmentManager {
if (mActive != null) {
for (int i=0; i<mAdded.size(); i++) {
Fragment f = mAdded.get(i);
- if (f != null && !f.mHidden && f.mHasMenu) {
+ if (f != null && !f.mHidden && f.mHasMenu && f.mMenuVisible) {
show = true;
f.onCreateOptionsMenu(menu, inflater);
if (newMenus == null) {
@@ -1778,7 +1783,7 @@ final class FragmentManagerImpl extends FragmentManager {
if (mActive != null) {
for (int i=0; i<mAdded.size(); i++) {
Fragment f = mAdded.get(i);
- if (f != null && !f.mHidden && f.mHasMenu) {
+ if (f != null && !f.mHidden && f.mHasMenu && f.mMenuVisible) {
show = true;
f.onPrepareOptionsMenu(menu);
}
@@ -1791,7 +1796,7 @@ final class FragmentManagerImpl extends FragmentManager {
if (mActive != null) {
for (int i=0; i<mAdded.size(); i++) {
Fragment f = mAdded.get(i);
- if (f != null && !f.mHidden && f.mHasMenu) {
+ if (f != null && !f.mHidden && f.mHasMenu && f.mMenuVisible) {
if (f.onOptionsItemSelected(item)) {
return true;
}
@@ -1819,7 +1824,7 @@ final class FragmentManagerImpl extends FragmentManager {
if (mActive != null) {
for (int i=0; i<mAdded.size(); i++) {
Fragment f = mAdded.get(i);
- if (f != null && !f.mHidden && f.mHasMenu) {
+ if (f != null && !f.mHidden && f.mHasMenu && f.mMenuVisible) {
f.onOptionsMenuClosed(menu);
}
}
generated by cgit v1.1 at 2024-09-10 17:06:29 +0000