List of usage examples for android.app Fragment CREATED
int CREATED
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From source file:android.app.FragmentManager.java
void moveToState(Fragment f, int newState, int transit, int transitionStyle, boolean keepActive) { if (DEBUG && false) Log.v(TAG, "moveToState: " + f + " oldState=" + f.mState + " newState=" + newState + " mRemoving=" + f.mRemoving + " Callers=" + Debug.getCallers(5)); // Fragments that are not currently added will sit in the onCreate() state. if ((!f.mAdded || f.mDetached) && newState > Fragment.CREATED) { newState = Fragment.CREATED;// ww w . j a va 2s.co m } if (f.mRemoving && newState > f.mState) { // While removing a fragment, we can't change it to a higher state. newState = f.mState; } // Defer start if requested; don't allow it to move to STARTED or higher // if it's not already started. if (f.mDeferStart && f.mState < Fragment.STARTED && newState > Fragment.STOPPED) { newState = Fragment.STOPPED; } if (f.mState < newState) { // For fragments that are created from a layout, when restoring from // state we don't want to allow them to be created until they are // being reloaded from the layout. if (f.mFromLayout && !f.mInLayout) { return; } if (f.mAnimatingAway != null) { // The fragment is currently being animated... but! Now we // want to move our state back up. Give up on waiting for the // animation, move to whatever the final state should be once // the animation is done, and then we can proceed from there. f.mAnimatingAway = null; moveToState(f, f.mStateAfterAnimating, 0, 0, true); } switch (f.mState) { case Fragment.INITIALIZING: if (DEBUG) Log.v(TAG, "moveto CREATED: " + f); if (f.mSavedFragmentState != null) { f.mSavedViewState = f.mSavedFragmentState .getSparseParcelableArray(FragmentManagerImpl.VIEW_STATE_TAG); f.mTarget = getFragment(f.mSavedFragmentState, FragmentManagerImpl.TARGET_STATE_TAG); if (f.mTarget != null) { f.mTargetRequestCode = f.mSavedFragmentState .getInt(FragmentManagerImpl.TARGET_REQUEST_CODE_STATE_TAG, 0); } f.mUserVisibleHint = f.mSavedFragmentState.getBoolean(FragmentManagerImpl.USER_VISIBLE_HINT_TAG, true); if (!f.mUserVisibleHint) { f.mDeferStart = true; if (newState > Fragment.STOPPED) { newState = Fragment.STOPPED; } } } f.mActivity = mActivity; f.mParentFragment = mParent; f.mFragmentManager = mParent != null ? mParent.mChildFragmentManager : mActivity.mFragments; f.mCalled = false; f.onAttach(mActivity); if (!f.mCalled) { throw new SuperNotCalledException( "Fragment " + f + " did not call through to super.onAttach()"); } if (f.mParentFragment == null) { mActivity.onAttachFragment(f); } if (!f.mRetaining) { f.performCreate(f.mSavedFragmentState); } f.mRetaining = false; if (f.mFromLayout) { // For fragments that are part of the content view // layout, we need to instantiate the view immediately // and the inflater will take care of adding it. f.mView = f.performCreateView(f.getLayoutInflater(f.mSavedFragmentState), null, f.mSavedFragmentState); if (f.mView != null) { f.mView.setSaveFromParentEnabled(false); if (f.mHidden) f.mView.setVisibility(View.GONE); f.onViewCreated(f.mView, f.mSavedFragmentState); } } case Fragment.CREATED: if (newState > Fragment.CREATED) { if (DEBUG) Log.v(TAG, "moveto ACTIVITY_CREATED: " + f); if (!f.mFromLayout) { ViewGroup container = null; if (f.mContainerId != 0) { container = (ViewGroup) mContainer.findViewById(f.mContainerId); if (container == null && !f.mRestored) { throwException(new IllegalArgumentException( "No view found for id 0x" + Integer.toHexString(f.mContainerId) + " (" + f.getResources().getResourceName(f.mContainerId) + ") for fragment " + f)); } } f.mContainer = container; f.mView = f.performCreateView(f.getLayoutInflater(f.mSavedFragmentState), container, f.mSavedFragmentState); if (f.mView != null) { f.mView.setSaveFromParentEnabled(false); if (container != null) { Animator anim = loadAnimator(f, transit, true, transitionStyle); if (anim != null) { anim.setTarget(f.mView); anim.start(); } container.addView(f.mView); } if (f.mHidden) f.mView.setVisibility(View.GONE); f.onViewCreated(f.mView, f.mSavedFragmentState); } } f.performActivityCreated(f.mSavedFragmentState); if (f.mView != null) { f.restoreViewState(f.mSavedFragmentState); } f.mSavedFragmentState = null; } case Fragment.ACTIVITY_CREATED: case Fragment.STOPPED: if (newState > Fragment.STOPPED) { if (DEBUG) Log.v(TAG, "moveto STARTED: " + f); f.performStart(); } case Fragment.STARTED: if (newState > Fragment.STARTED) { if (DEBUG) Log.v(TAG, "moveto RESUMED: " + f); f.mResumed = true; f.performResume(); // Get rid of this in case we saved it and never needed it. f.mSavedFragmentState = null; f.mSavedViewState = null; } } } else if (f.mState > newState) { switch (f.mState) { case Fragment.RESUMED: if (newState < Fragment.RESUMED) { if (DEBUG) Log.v(TAG, "movefrom RESUMED: " + f); f.performPause(); f.mResumed = false; } case Fragment.STARTED: if (newState < Fragment.STARTED) { if (DEBUG) Log.v(TAG, "movefrom STARTED: " + f); f.performStop(); } case Fragment.STOPPED: case Fragment.ACTIVITY_CREATED: if (newState < Fragment.ACTIVITY_CREATED) { if (DEBUG) Log.v(TAG, "movefrom ACTIVITY_CREATED: " + f); if (f.mView != null) { // Need to save the current view state if not // done already. if (!mActivity.isFinishing() && f.mSavedViewState == null) { saveFragmentViewState(f); } } f.performDestroyView(); if (f.mView != null && f.mContainer != null) { Animator anim = null; if (mCurState > Fragment.INITIALIZING && !mDestroyed) { anim = loadAnimator(f, transit, false, transitionStyle); } if (anim != null) { final ViewGroup container = f.mContainer; final View view = f.mView; final Fragment fragment = f; container.startViewTransition(view); f.mAnimatingAway = anim; f.mStateAfterAnimating = newState; anim.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator anim) { container.endViewTransition(view); if (fragment.mAnimatingAway != null) { fragment.mAnimatingAway = null; moveToState(fragment, fragment.mStateAfterAnimating, 0, 0, false); } } }); anim.setTarget(f.mView); anim.start(); } f.mContainer.removeView(f.mView); } f.mContainer = null; f.mView = null; } case Fragment.CREATED: if (newState < Fragment.CREATED) { if (mDestroyed) { if (f.mAnimatingAway != null) { // The fragment's containing activity is // being destroyed, but this fragment is // currently animating away. Stop the // animation right now -- it is not needed, // and we can't wait any more on destroying // the fragment. Animator anim = f.mAnimatingAway; f.mAnimatingAway = null; anim.cancel(); } } if (f.mAnimatingAway != null) { // We are waiting for the fragment's view to finish // animating away. Just make a note of the state // the fragment now should move to once the animation // is done. f.mStateAfterAnimating = newState; newState = Fragment.CREATED; } else { if (DEBUG) Log.v(TAG, "movefrom CREATED: " + f); if (!f.mRetaining) { f.performDestroy(); } f.mCalled = false; f.onDetach(); if (!f.mCalled) { throw new SuperNotCalledException( "Fragment " + f + " did not call through to super.onDetach()"); } if (!keepActive) { if (!f.mRetaining) { makeInactive(f); } else { f.mActivity = null; f.mParentFragment = null; f.mFragmentManager = null; } } } } } } f.mState = newState; }
From source file:android.app.FragmentManager.java
void moveToState(Fragment f, int newState, int transit, int transitionStyle, boolean keepActive) { if (DEBUG && false) Log.v(TAG, "moveToState: " + f + " oldState=" + f.mState + " newState=" + newState + " mRemoving=" + f.mRemoving + " Callers=" + Debug.getCallers(5)); // Fragments that are not currently added will sit in the onCreate() state. if ((!f.mAdded || f.mDetached) && newState > Fragment.CREATED) { newState = Fragment.CREATED;/*from w w w. j av a2 s . c o m*/ } if (f.mRemoving && newState > f.mState) { // While removing a fragment, we can't change it to a higher state. newState = f.mState; } // Defer start if requested; don't allow it to move to STARTED or higher // if it's not already started. if (f.mDeferStart && f.mState < Fragment.STARTED && newState > Fragment.STOPPED) { newState = Fragment.STOPPED; } if (f.mState < newState) { // For fragments that are created from a layout, when restoring from // state we don't want to allow them to be created until they are // being reloaded from the layout. if (f.mFromLayout && !f.mInLayout) { return; } if (f.mAnimatingAway != null) { // The fragment is currently being animated... but! Now we // want to move our state back up. Give up on waiting for the // animation, move to whatever the final state should be once // the animation is done, and then we can proceed from there. f.mAnimatingAway = null; moveToState(f, f.mStateAfterAnimating, 0, 0, true); } switch (f.mState) { case Fragment.INITIALIZING: if (DEBUG) Log.v(TAG, "moveto CREATED: " + f); if (f.mSavedFragmentState != null) { f.mSavedViewState = f.mSavedFragmentState .getSparseParcelableArray(FragmentManagerImpl.VIEW_STATE_TAG); f.mTarget = getFragment(f.mSavedFragmentState, FragmentManagerImpl.TARGET_STATE_TAG); if (f.mTarget != null) { f.mTargetRequestCode = f.mSavedFragmentState .getInt(FragmentManagerImpl.TARGET_REQUEST_CODE_STATE_TAG, 0); } f.mUserVisibleHint = f.mSavedFragmentState.getBoolean(FragmentManagerImpl.USER_VISIBLE_HINT_TAG, true); if (!f.mUserVisibleHint) { f.mDeferStart = true; if (newState > Fragment.STOPPED) { newState = Fragment.STOPPED; } } } f.mActivity = mActivity; f.mParentFragment = mParent; f.mFragmentManager = mParent != null ? mParent.mChildFragmentManager : mActivity.mFragments; f.mCalled = false; f.onAttach(mActivity); if (!f.mCalled) { throw new SuperNotCalledException( "Fragment " + f + " did not call through to super.onAttach()"); } if (f.mParentFragment == null) { mActivity.onAttachFragment(f); } if (!f.mRetaining) { f.performCreate(f.mSavedFragmentState); } f.mRetaining = false; if (f.mFromLayout) { // For fragments that are part of the content view // layout, we need to instantiate the view immediately // and the inflater will take care of adding it. f.mView = f.performCreateView(f.getLayoutInflater(f.mSavedFragmentState), null, f.mSavedFragmentState); if (f.mView != null) { f.mView.setSaveFromParentEnabled(false); if (f.mHidden) f.mView.setVisibility(View.GONE); f.onViewCreated(f.mView, f.mSavedFragmentState); } } case Fragment.CREATED: if (newState > Fragment.CREATED) { if (DEBUG) Log.v(TAG, "moveto ACTIVITY_CREATED: " + f); if (!f.mFromLayout) { ViewGroup container = null; if (f.mContainerId != 0) { container = (ViewGroup) mContainer.findViewById(f.mContainerId); if (container == null && !f.mRestored) { throwException(new IllegalArgumentException( "No view found for id 0x" + Integer.toHexString(f.mContainerId) + " (" + f.getResources().getResourceName(f.mContainerId) + ") for fragment " + f)); } } f.mContainer = container; f.mView = f.performCreateView(f.getLayoutInflater(f.mSavedFragmentState), container, f.mSavedFragmentState); if (f.mView != null) { f.mView.setSaveFromParentEnabled(false); if (container != null) { Animator anim = loadAnimator(f, transit, true, transitionStyle); if (anim != null) { anim.setTarget(f.mView); anim.start(); } container.addView(f.mView); } if (f.mHidden) f.mView.setVisibility(View.GONE); f.onViewCreated(f.mView, f.mSavedFragmentState); } } f.performActivityCreated(f.mSavedFragmentState); if (f.mView != null) { f.restoreViewState(f.mSavedFragmentState); } f.mSavedFragmentState = null; } case Fragment.ACTIVITY_CREATED: case Fragment.STOPPED: if (newState > Fragment.STOPPED) { if (DEBUG) Log.v(TAG, "moveto STARTED: " + f); f.performStart(); } case Fragment.STARTED: if (newState > Fragment.STARTED) { if (DEBUG) Log.v(TAG, "moveto RESUMED: " + f); f.mResumed = true; f.performResume(); // Get rid of this in case we saved it and never needed it. f.mSavedFragmentState = null; f.mSavedViewState = null; } } } else if (f.mState > newState) { switch (f.mState) { case Fragment.RESUMED: if (newState < Fragment.RESUMED) { if (DEBUG) Log.v(TAG, "movefrom RESUMED: " + f); f.performPause(); f.mResumed = false; } case Fragment.STARTED: if (newState < Fragment.STARTED) { if (DEBUG) Log.v(TAG, "movefrom STARTED: " + f); f.performStop(); } case Fragment.STOPPED: case Fragment.ACTIVITY_CREATED: if (newState < Fragment.ACTIVITY_CREATED) { if (DEBUG) Log.v(TAG, "movefrom ACTIVITY_CREATED: " + f); if (f.mView != null) { // Need to save the current view state if not // done already. if (!mActivity.isFinishing() && f.mSavedViewState == null) { saveFragmentViewState(f); } } f.performDestroyView(); if (f.mView != null && f.mContainer != null) { Animator anim = null; if (mCurState > Fragment.INITIALIZING && !mDestroyed) { anim = loadAnimator(f, transit, false, transitionStyle); } if (anim != null) { final ViewGroup container = f.mContainer; final View view = f.mView; final Fragment fragment = f; container.startViewTransition(view); f.mAnimatingAway = anim; f.mStateAfterAnimating = newState; anim.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator anim) { container.endViewTransition(view); if (fragment.mAnimatingAway != null) { fragment.mAnimatingAway = null; moveToState(fragment, fragment.mStateAfterAnimating, 0, 0, false); } } }); anim.setTarget(f.mView); anim.start(); } f.mContainer.removeView(f.mView); } f.mContainer = null; f.mView = null; } case Fragment.CREATED: if (newState < Fragment.CREATED) { if (mDestroyed) { if (f.mAnimatingAway != null) { // The fragment's containing activity is // being destroyed, but this fragment is // currently animating away. Stop the // animation right now -- it is not needed, // and we can't wait any more on destroying // the fragment. Animator anim = f.mAnimatingAway; f.mAnimatingAway = null; anim.cancel(); } } if (f.mAnimatingAway != null) { // We are waiting for the fragment's view to finish // animating away. Just make a note of the state // the fragment now should move to once the animation // is done. f.mStateAfterAnimating = newState; newState = Fragment.CREATED; } else { if (DEBUG) Log.v(TAG, "movefrom CREATED: " + f); if (!f.mRetaining) { f.performDestroy(); } f.mCalled = false; f.onDetach(); if (!f.mCalled) { throw new SuperNotCalledException( "Fragment " + f + " did not call through to super.onDetach()"); } if (!keepActive) { if (!f.mRetaining) { makeInactive(f); } else { f.mActivity = null; f.mParentFragment = null; f.mFragmentManager = null; f.mChildFragmentManager = null; } } } } } } f.mState = newState; }
From source file:android.app.FragmentManager.java
public void removeFragment(Fragment fragment, int transition, int transitionStyle) { if (DEBUG)//from ww w .ja v a2 s . c o m Log.v(TAG, "remove: " + fragment + " nesting=" + fragment.mBackStackNesting); final boolean inactive = !fragment.isInBackStack(); if (!fragment.mDetached || inactive) { if (false) { // Would be nice to catch a bad remove here, but we need // time to test this to make sure we aren't crashes cases // where it is not a problem. if (!mAdded.contains(fragment)) { throw new IllegalStateException("Fragment not added: " + fragment); } } if (mAdded != null) { mAdded.remove(fragment); } if (fragment.mHasMenu && fragment.mMenuVisible) { mNeedMenuInvalidate = true; } fragment.mAdded = false; fragment.mRemoving = true; moveToState(fragment, inactive ? Fragment.INITIALIZING : Fragment.CREATED, transition, transitionStyle, false); } }
From source file:android.app.FragmentManager.java
public void detachFragment(Fragment fragment, int transition, int transitionStyle) { if (DEBUG)// w w w . j a v a 2 s . c o m Log.v(TAG, "detach: " + fragment); if (!fragment.mDetached) { fragment.mDetached = true; if (fragment.mAdded) { // We are not already in back stack, so need to remove the fragment. if (mAdded != null) { if (DEBUG) Log.v(TAG, "remove from detach: " + fragment); mAdded.remove(fragment); } if (fragment.mHasMenu && fragment.mMenuVisible) { mNeedMenuInvalidate = true; } fragment.mAdded = false; moveToState(fragment, Fragment.CREATED, transition, transitionStyle, false); } } }
From source file:android.app.FragmentManager.java
public void dispatchCreate() { mStateSaved = false; moveToState(Fragment.CREATED, false); }
From source file:android.app.FragmentManager.java
public void dispatchDestroyView() { moveToState(Fragment.CREATED, false); }
From source file:android.app.FragmentManager.java
@Override public View onCreateView(View parent, String name, Context context, AttributeSet attrs) { if (!"fragment".equals(name)) { return null; }//from ww w . j a v a2 s .com String fname = attrs.getAttributeValue(null, "class"); TypedArray a = context.obtainStyledAttributes(attrs, com.android.internal.R.styleable.Fragment); if (fname == null) { fname = a.getString(com.android.internal.R.styleable.Fragment_name); } int id = a.getResourceId(com.android.internal.R.styleable.Fragment_id, View.NO_ID); String tag = a.getString(com.android.internal.R.styleable.Fragment_tag); a.recycle(); int containerId = parent != null ? parent.getId() : 0; if (containerId == View.NO_ID && id == View.NO_ID && tag == null) { throw new IllegalArgumentException(attrs.getPositionDescription() + ": Must specify unique android:id, android:tag, or have a parent with" + " an id for " + fname); } // If we restored from a previous state, we may already have // instantiated this fragment from the state and should use // that instance instead of making a new one. Fragment fragment = id != View.NO_ID ? findFragmentById(id) : null; if (fragment == null && tag != null) { fragment = findFragmentByTag(tag); } if (fragment == null && containerId != View.NO_ID) { fragment = findFragmentById(containerId); } if (FragmentManagerImpl.DEBUG) Log.v(TAG, "onCreateView: id=0x" + Integer.toHexString(id) + " fname=" + fname + " existing=" + fragment); if (fragment == null) { fragment = Fragment.instantiate(context, fname); fragment.mFromLayout = true; fragment.mFragmentId = id != 0 ? id : containerId; fragment.mContainerId = containerId; fragment.mTag = tag; fragment.mInLayout = true; fragment.mFragmentManager = this; fragment.onInflate(mActivity, attrs, fragment.mSavedFragmentState); addFragment(fragment, true); } else if (fragment.mInLayout) { // A fragment already exists and it is not one we restored from // previous state. throw new IllegalArgumentException(attrs.getPositionDescription() + ": Duplicate id 0x" + Integer.toHexString(id) + ", tag " + tag + ", or parent id 0x" + Integer.toHexString(containerId) + " with another fragment for " + fname); } else { // This fragment was retained from a previous instance; get it // going now. fragment.mInLayout = true; // If this fragment is newly instantiated (either right now, or // from last saved state), then give it the attributes to // initialize itself. if (!fragment.mRetaining) { fragment.onInflate(mActivity, attrs, fragment.mSavedFragmentState); } } // If we haven't finished entering the CREATED state ourselves yet, // push the inflated child fragment along. if (mCurState < Fragment.CREATED && fragment.mFromLayout) { moveToState(fragment, Fragment.CREATED, 0, 0, false); } else { moveToState(fragment); } if (fragment.mView == null) { throw new IllegalStateException("Fragment " + fname + " did not create a view."); } if (id != 0) { fragment.mView.setId(id); } if (fragment.mView.getTag() == null) { fragment.mView.setTag(tag); } return fragment.mView; }