use of android.view.ViewRootImpl in project android_frameworks_base by DirtyUnicorns.
the class ActivityThread method handleResumeActivity.
final void handleResumeActivity(IBinder token, boolean clearHide, boolean isForward, boolean reallyResume, int seq, String reason) {
ActivityClientRecord r = mActivities.get(token);
if (!checkAndUpdateLifecycleSeq(seq, r, "resumeActivity")) {
return;
}
// If we are getting ready to gc after going to the background, well
// we are back active so skip it.
unscheduleGcIdler();
mSomeActivitiesChanged = true;
// TODO Push resumeArgs into the activity for consideration
r = performResumeActivity(token, clearHide, reason);
if (r != null) {
final Activity a = r.activity;
if (localLOGV)
Slog.v(TAG, "Resume " + r + " started activity: " + a.mStartedActivity + ", hideForNow: " + r.hideForNow + ", finished: " + a.mFinished);
final int forwardBit = isForward ? WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION : 0;
// If the window hasn't yet been added to the window manager,
// and this guy didn't finish itself or start another activity,
// then go ahead and add the window.
boolean willBeVisible = !a.mStartedActivity;
if (!willBeVisible) {
try {
willBeVisible = ActivityManagerNative.getDefault().willActivityBeVisible(a.getActivityToken());
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
if (r.window == null && !a.mFinished && willBeVisible) {
r.window = r.activity.getWindow();
View decor = r.window.getDecorView();
decor.setVisibility(View.INVISIBLE);
ViewManager wm = a.getWindowManager();
WindowManager.LayoutParams l = r.window.getAttributes();
a.mDecor = decor;
l.type = WindowManager.LayoutParams.TYPE_BASE_APPLICATION;
l.softInputMode |= forwardBit;
if (r.mPreserveWindow) {
// workflow.
if (DecorView.isAddedToWindow(decor))
a.mWindowAdded = true;
r.mPreserveWindow = false;
// Normally the ViewRoot sets up callbacks with the Activity
// in addView->ViewRootImpl#setView. If we are instead reusing
// the decor view we have to notify the view root that the
// callbacks may have changed.
ViewRootImpl impl = decor.getViewRootImpl();
if (impl != null) {
impl.notifyChildRebuilt();
}
}
if (a.mVisibleFromClient && !a.mWindowAdded) {
a.mWindowAdded = true;
wm.addView(decor, l);
DecorView.setAddedToWindow(a.mDecor);
}
// If the window has already been added, but during resume
// we started another activity, then don't yet make the
// window visible.
} else if (!willBeVisible) {
if (localLOGV)
Slog.v(TAG, "Launch " + r + " mStartedActivity set");
r.hideForNow = true;
}
// Get rid of anything left hanging around.
cleanUpPendingRemoveWindows(r, false);
// simply finishing, and we are not starting another activity.
if (!r.activity.mFinished && willBeVisible && r.activity.mDecor != null && !r.hideForNow) {
if (r.newConfig != null) {
performConfigurationChangedForActivity(r, r.newConfig, REPORT_TO_ACTIVITY);
if (DEBUG_CONFIGURATION)
Slog.v(TAG, "Resuming activity " + r.activityInfo.name + " with newConfig " + r.activity.mCurrentConfig);
r.newConfig = null;
}
if (localLOGV)
Slog.v(TAG, "Resuming " + r + " with isForward=" + isForward);
WindowManager.LayoutParams l = r.window.getAttributes();
if ((l.softInputMode & WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != forwardBit) {
l.softInputMode = (l.softInputMode & (~WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION)) | forwardBit;
if (r.activity.mVisibleFromClient) {
ViewManager wm = a.getWindowManager();
View decor = r.window.getDecorView();
wm.updateViewLayout(decor, l);
}
}
r.activity.mVisibleFromServer = true;
mNumVisibleActivities++;
if (r.activity.mVisibleFromClient) {
r.activity.makeVisible();
}
}
if (!r.onlyLocalRequest) {
r.nextIdle = mNewActivities;
mNewActivities = r;
if (localLOGV)
Slog.v(TAG, "Scheduling idle handler for " + r);
Looper.myQueue().addIdleHandler(new Idler());
}
r.onlyLocalRequest = false;
// Tell the activity manager we have resumed.
if (reallyResume) {
try {
ActivityManagerNative.getDefault().activityResumed(token);
} catch (RemoteException ex) {
throw ex.rethrowFromSystemServer();
}
}
} else {
// just end this activity.
try {
ActivityManagerNative.getDefault().finishActivity(token, Activity.RESULT_CANCELED, null, Activity.DONT_FINISH_TASK_WITH_ACTIVITY);
} catch (RemoteException ex) {
throw ex.rethrowFromSystemServer();
}
}
}
use of android.view.ViewRootImpl in project android_frameworks_base by DirtyUnicorns.
the class ListView method layoutChildren.
@Override
protected void layoutChildren() {
final boolean blockLayoutRequests = mBlockLayoutRequests;
if (blockLayoutRequests) {
return;
}
mBlockLayoutRequests = true;
try {
super.layoutChildren();
invalidate();
if (mAdapter == null) {
resetList();
invokeOnItemScrollListener();
return;
}
final int childrenTop = mListPadding.top;
final int childrenBottom = mBottom - mTop - mListPadding.bottom;
final int childCount = getChildCount();
int index = 0;
int delta = 0;
View sel;
View oldSel = null;
View oldFirst = null;
View newSel = null;
// Remember stuff we will need down below
switch(mLayoutMode) {
case LAYOUT_SET_SELECTION:
index = mNextSelectedPosition - mFirstPosition;
if (index >= 0 && index < childCount) {
newSel = getChildAt(index);
}
break;
case LAYOUT_FORCE_TOP:
case LAYOUT_FORCE_BOTTOM:
case LAYOUT_SPECIFIC:
case LAYOUT_SYNC:
break;
case LAYOUT_MOVE_SELECTION:
default:
// Remember the previously selected view
index = mSelectedPosition - mFirstPosition;
if (index >= 0 && index < childCount) {
oldSel = getChildAt(index);
}
// Remember the previous first child
oldFirst = getChildAt(0);
if (mNextSelectedPosition >= 0) {
delta = mNextSelectedPosition - mSelectedPosition;
}
// Caution: newSel might be null
newSel = getChildAt(index + delta);
}
boolean dataChanged = mDataChanged;
if (dataChanged) {
handleDataChanged();
}
// and calling it a day
if (mItemCount == 0) {
resetList();
invokeOnItemScrollListener();
return;
} else if (mItemCount != mAdapter.getCount()) {
throw new IllegalStateException("The content of the adapter has changed but " + "ListView did not receive a notification. Make sure the content of " + "your adapter is not modified from a background thread, but only from " + "the UI thread. Make sure your adapter calls notifyDataSetChanged() " + "when its content changes. [in ListView(" + getId() + ", " + getClass() + ") with Adapter(" + mAdapter.getClass() + ")]");
}
setSelectedPositionInt(mNextSelectedPosition);
AccessibilityNodeInfo accessibilityFocusLayoutRestoreNode = null;
View accessibilityFocusLayoutRestoreView = null;
int accessibilityFocusPosition = INVALID_POSITION;
// Remember which child, if any, had accessibility focus. This must
// occur before recycling any views, since that will clear
// accessibility focus.
final ViewRootImpl viewRootImpl = getViewRootImpl();
if (viewRootImpl != null) {
final View focusHost = viewRootImpl.getAccessibilityFocusedHost();
if (focusHost != null) {
final View focusChild = getAccessibilityFocusedChild(focusHost);
if (focusChild != null) {
if (!dataChanged || isDirectChildHeaderOrFooter(focusChild) || focusChild.hasTransientState() || mAdapterHasStableIds) {
// The views won't be changing, so try to maintain
// focus on the current host and virtual view.
accessibilityFocusLayoutRestoreView = focusHost;
accessibilityFocusLayoutRestoreNode = viewRootImpl.getAccessibilityFocusedVirtualView();
}
// If all else fails, maintain focus at the same
// position.
accessibilityFocusPosition = getPositionForView(focusChild);
}
}
}
View focusLayoutRestoreDirectChild = null;
View focusLayoutRestoreView = null;
// Take focus back to us temporarily to avoid the eventual call to
// clear focus when removing the focused child below from messing
// things up when ViewAncestor assigns focus back to someone else.
final View focusedChild = getFocusedChild();
if (focusedChild != null) {
// header or footer.
if (!dataChanged || isDirectChildHeaderOrFooter(focusedChild) || focusedChild.hasTransientState() || mAdapterHasStableIds) {
focusLayoutRestoreDirectChild = focusedChild;
// Remember the specific view that had focus.
focusLayoutRestoreView = findFocus();
if (focusLayoutRestoreView != null) {
// Tell it we are going to mess with it.
focusLayoutRestoreView.dispatchStartTemporaryDetach();
}
}
requestFocus();
}
// Pull all children into the RecycleBin.
// These views will be reused if possible
final int firstPosition = mFirstPosition;
final RecycleBin recycleBin = mRecycler;
if (dataChanged) {
for (int i = 0; i < childCount; i++) {
recycleBin.addScrapView(getChildAt(i), firstPosition + i);
}
} else {
recycleBin.fillActiveViews(childCount, firstPosition);
}
// Clear out old views
detachAllViewsFromParent();
recycleBin.removeSkippedScrap();
switch(mLayoutMode) {
case LAYOUT_SET_SELECTION:
if (newSel != null) {
sel = fillFromSelection(newSel.getTop(), childrenTop, childrenBottom);
} else {
sel = fillFromMiddle(childrenTop, childrenBottom);
}
break;
case LAYOUT_SYNC:
sel = fillSpecific(mSyncPosition, mSpecificTop);
break;
case LAYOUT_FORCE_BOTTOM:
sel = fillUp(mItemCount - 1, childrenBottom);
adjustViewsUpOrDown();
break;
case LAYOUT_FORCE_TOP:
mFirstPosition = 0;
sel = fillFromTop(childrenTop);
adjustViewsUpOrDown();
break;
case LAYOUT_SPECIFIC:
final int selectedPosition = reconcileSelectedPosition();
sel = fillSpecific(selectedPosition, mSpecificTop);
/**
* When ListView is resized, FocusSelector requests an async selection for the
* previously focused item to make sure it is still visible. If the item is not
* selectable, it won't regain focus so instead we call FocusSelector
* to directly request focus on the view after it is visible.
*/
if (sel == null && mFocusSelector != null) {
final Runnable focusRunnable = mFocusSelector.setupFocusIfValid(selectedPosition);
if (focusRunnable != null) {
post(focusRunnable);
}
}
break;
case LAYOUT_MOVE_SELECTION:
sel = moveSelection(oldSel, newSel, delta, childrenTop, childrenBottom);
break;
default:
if (childCount == 0) {
if (!mStackFromBottom) {
final int position = lookForSelectablePosition(0, true);
setSelectedPositionInt(position);
sel = fillFromTop(childrenTop);
} else {
final int position = lookForSelectablePosition(mItemCount - 1, false);
setSelectedPositionInt(position);
sel = fillUp(mItemCount - 1, childrenBottom);
}
} else {
if (mSelectedPosition >= 0 && mSelectedPosition < mItemCount) {
sel = fillSpecific(mSelectedPosition, oldSel == null ? childrenTop : oldSel.getTop());
} else if (mFirstPosition < mItemCount) {
sel = fillSpecific(mFirstPosition, oldFirst == null ? childrenTop : oldFirst.getTop());
} else {
sel = fillSpecific(0, childrenTop);
}
}
break;
}
// Flush any cached views that did not get reused above
recycleBin.scrapActiveViews();
// remove any header/footer that has been temp detached and not re-attached
removeUnusedFixedViews(mHeaderViewInfos);
removeUnusedFixedViews(mFooterViewInfos);
if (sel != null) {
// focusable.
if (mItemsCanFocus && hasFocus() && !sel.hasFocus()) {
final boolean focusWasTaken = (sel == focusLayoutRestoreDirectChild && focusLayoutRestoreView != null && focusLayoutRestoreView.requestFocus()) || sel.requestFocus();
if (!focusWasTaken) {
// Selected item didn't take focus, but we still want to
// make sure something else outside of the selected view
// has focus.
final View focused = getFocusedChild();
if (focused != null) {
focused.clearFocus();
}
positionSelector(INVALID_POSITION, sel);
} else {
sel.setSelected(false);
mSelectorRect.setEmpty();
}
} else {
positionSelector(INVALID_POSITION, sel);
}
mSelectedTop = sel.getTop();
} else {
final boolean inTouchMode = mTouchMode == TOUCH_MODE_TAP || mTouchMode == TOUCH_MODE_DONE_WAITING;
if (inTouchMode) {
// If the user's finger is down, select the motion position.
final View child = getChildAt(mMotionPosition - mFirstPosition);
if (child != null) {
positionSelector(mMotionPosition, child);
}
} else if (mSelectorPosition != INVALID_POSITION) {
// If we had previously positioned the selector somewhere,
// put it back there. It might not match up with the data,
// but it's transitioning out so it's not a big deal.
final View child = getChildAt(mSelectorPosition - mFirstPosition);
if (child != null) {
positionSelector(mSelectorPosition, child);
}
} else {
// Otherwise, clear selection.
mSelectedTop = 0;
mSelectorRect.setEmpty();
}
// restore focus (i.e. something focusable in touch mode).
if (hasFocus() && focusLayoutRestoreView != null) {
focusLayoutRestoreView.requestFocus();
}
}
// Attempt to restore accessibility focus, if necessary.
if (viewRootImpl != null) {
final View newAccessibilityFocusedView = viewRootImpl.getAccessibilityFocusedHost();
if (newAccessibilityFocusedView == null) {
if (accessibilityFocusLayoutRestoreView != null && accessibilityFocusLayoutRestoreView.isAttachedToWindow()) {
final AccessibilityNodeProvider provider = accessibilityFocusLayoutRestoreView.getAccessibilityNodeProvider();
if (accessibilityFocusLayoutRestoreNode != null && provider != null) {
final int virtualViewId = AccessibilityNodeInfo.getVirtualDescendantId(accessibilityFocusLayoutRestoreNode.getSourceNodeId());
provider.performAction(virtualViewId, AccessibilityNodeInfo.ACTION_ACCESSIBILITY_FOCUS, null);
} else {
accessibilityFocusLayoutRestoreView.requestAccessibilityFocus();
}
} else if (accessibilityFocusPosition != INVALID_POSITION) {
// Bound the position within the visible children.
final int position = MathUtils.constrain(accessibilityFocusPosition - mFirstPosition, 0, getChildCount() - 1);
final View restoreView = getChildAt(position);
if (restoreView != null) {
restoreView.requestAccessibilityFocus();
}
}
}
}
// our view hierarchy.
if (focusLayoutRestoreView != null && focusLayoutRestoreView.getWindowToken() != null) {
focusLayoutRestoreView.dispatchFinishTemporaryDetach();
}
mLayoutMode = LAYOUT_NORMAL;
mDataChanged = false;
if (mPositionScrollAfterLayout != null) {
post(mPositionScrollAfterLayout);
mPositionScrollAfterLayout = null;
}
mNeedSync = false;
setNextSelectedPositionInt(mSelectedPosition);
updateScrollIndicators();
if (mItemCount > 0) {
checkSelectionChanged();
}
invokeOnItemScrollListener();
} finally {
if (mFocusSelector != null) {
mFocusSelector.onLayoutComplete();
}
if (!blockLayoutRequests) {
mBlockLayoutRequests = false;
}
}
}
use of android.view.ViewRootImpl in project android_frameworks_base by DirtyUnicorns.
the class GridView method layoutChildren.
@Override
protected void layoutChildren() {
final boolean blockLayoutRequests = mBlockLayoutRequests;
if (!blockLayoutRequests) {
mBlockLayoutRequests = true;
}
try {
super.layoutChildren();
invalidate();
if (mAdapter == null) {
resetList();
invokeOnItemScrollListener();
return;
}
final int childrenTop = mListPadding.top;
final int childrenBottom = mBottom - mTop - mListPadding.bottom;
int childCount = getChildCount();
int index;
int delta = 0;
View sel;
View oldSel = null;
View oldFirst = null;
View newSel = null;
// Remember stuff we will need down below
switch(mLayoutMode) {
case LAYOUT_SET_SELECTION:
index = mNextSelectedPosition - mFirstPosition;
if (index >= 0 && index < childCount) {
newSel = getChildAt(index);
}
break;
case LAYOUT_FORCE_TOP:
case LAYOUT_FORCE_BOTTOM:
case LAYOUT_SPECIFIC:
case LAYOUT_SYNC:
break;
case LAYOUT_MOVE_SELECTION:
if (mNextSelectedPosition >= 0) {
delta = mNextSelectedPosition - mSelectedPosition;
}
break;
default:
// Remember the previously selected view
index = mSelectedPosition - mFirstPosition;
if (index >= 0 && index < childCount) {
oldSel = getChildAt(index);
}
// Remember the previous first child
oldFirst = getChildAt(0);
}
boolean dataChanged = mDataChanged;
if (dataChanged) {
handleDataChanged();
}
// and calling it a day
if (mItemCount == 0) {
resetList();
invokeOnItemScrollListener();
return;
}
setSelectedPositionInt(mNextSelectedPosition);
AccessibilityNodeInfo accessibilityFocusLayoutRestoreNode = null;
View accessibilityFocusLayoutRestoreView = null;
int accessibilityFocusPosition = INVALID_POSITION;
// Remember which child, if any, had accessibility focus. This must
// occur before recycling any views, since that will clear
// accessibility focus.
final ViewRootImpl viewRootImpl = getViewRootImpl();
if (viewRootImpl != null) {
final View focusHost = viewRootImpl.getAccessibilityFocusedHost();
if (focusHost != null) {
final View focusChild = getAccessibilityFocusedChild(focusHost);
if (focusChild != null) {
if (!dataChanged || focusChild.hasTransientState() || mAdapterHasStableIds) {
// The views won't be changing, so try to maintain
// focus on the current host and virtual view.
accessibilityFocusLayoutRestoreView = focusHost;
accessibilityFocusLayoutRestoreNode = viewRootImpl.getAccessibilityFocusedVirtualView();
}
// Try to maintain focus at the same position.
accessibilityFocusPosition = getPositionForView(focusChild);
}
}
}
// Pull all children into the RecycleBin.
// These views will be reused if possible
final int firstPosition = mFirstPosition;
final RecycleBin recycleBin = mRecycler;
if (dataChanged) {
for (int i = 0; i < childCount; i++) {
recycleBin.addScrapView(getChildAt(i), firstPosition + i);
}
} else {
recycleBin.fillActiveViews(childCount, firstPosition);
}
// Clear out old views
detachAllViewsFromParent();
recycleBin.removeSkippedScrap();
switch(mLayoutMode) {
case LAYOUT_SET_SELECTION:
if (newSel != null) {
sel = fillFromSelection(newSel.getTop(), childrenTop, childrenBottom);
} else {
sel = fillSelection(childrenTop, childrenBottom);
}
break;
case LAYOUT_FORCE_TOP:
mFirstPosition = 0;
sel = fillFromTop(childrenTop);
adjustViewsUpOrDown();
break;
case LAYOUT_FORCE_BOTTOM:
sel = fillUp(mItemCount - 1, childrenBottom);
adjustViewsUpOrDown();
break;
case LAYOUT_SPECIFIC:
sel = fillSpecific(mSelectedPosition, mSpecificTop);
break;
case LAYOUT_SYNC:
sel = fillSpecific(mSyncPosition, mSpecificTop);
break;
case LAYOUT_MOVE_SELECTION:
// Move the selection relative to its old position
sel = moveSelection(delta, childrenTop, childrenBottom);
break;
default:
if (childCount == 0) {
if (!mStackFromBottom) {
setSelectedPositionInt(mAdapter == null || isInTouchMode() ? INVALID_POSITION : 0);
sel = fillFromTop(childrenTop);
} else {
final int last = mItemCount - 1;
setSelectedPositionInt(mAdapter == null || isInTouchMode() ? INVALID_POSITION : last);
sel = fillFromBottom(last, childrenBottom);
}
} else {
if (mSelectedPosition >= 0 && mSelectedPosition < mItemCount) {
sel = fillSpecific(mSelectedPosition, oldSel == null ? childrenTop : oldSel.getTop());
} else if (mFirstPosition < mItemCount) {
sel = fillSpecific(mFirstPosition, oldFirst == null ? childrenTop : oldFirst.getTop());
} else {
sel = fillSpecific(0, childrenTop);
}
}
break;
}
// Flush any cached views that did not get reused above
recycleBin.scrapActiveViews();
if (sel != null) {
positionSelector(INVALID_POSITION, sel);
mSelectedTop = sel.getTop();
} else {
final boolean inTouchMode = mTouchMode > TOUCH_MODE_DOWN && mTouchMode < TOUCH_MODE_SCROLL;
if (inTouchMode) {
// If the user's finger is down, select the motion position.
final View child = getChildAt(mMotionPosition - mFirstPosition);
if (child != null) {
positionSelector(mMotionPosition, child);
}
} else if (mSelectedPosition != INVALID_POSITION) {
// If we had previously positioned the selector somewhere,
// put it back there. It might not match up with the data,
// but it's transitioning out so it's not a big deal.
final View child = getChildAt(mSelectorPosition - mFirstPosition);
if (child != null) {
positionSelector(mSelectorPosition, child);
}
} else {
// Otherwise, clear selection.
mSelectedTop = 0;
mSelectorRect.setEmpty();
}
}
// Attempt to restore accessibility focus, if necessary.
if (viewRootImpl != null) {
final View newAccessibilityFocusedView = viewRootImpl.getAccessibilityFocusedHost();
if (newAccessibilityFocusedView == null) {
if (accessibilityFocusLayoutRestoreView != null && accessibilityFocusLayoutRestoreView.isAttachedToWindow()) {
final AccessibilityNodeProvider provider = accessibilityFocusLayoutRestoreView.getAccessibilityNodeProvider();
if (accessibilityFocusLayoutRestoreNode != null && provider != null) {
final int virtualViewId = AccessibilityNodeInfo.getVirtualDescendantId(accessibilityFocusLayoutRestoreNode.getSourceNodeId());
provider.performAction(virtualViewId, AccessibilityNodeInfo.ACTION_ACCESSIBILITY_FOCUS, null);
} else {
accessibilityFocusLayoutRestoreView.requestAccessibilityFocus();
}
} else if (accessibilityFocusPosition != INVALID_POSITION) {
// Bound the position within the visible children.
final int position = MathUtils.constrain(accessibilityFocusPosition - mFirstPosition, 0, getChildCount() - 1);
final View restoreView = getChildAt(position);
if (restoreView != null) {
restoreView.requestAccessibilityFocus();
}
}
}
}
mLayoutMode = LAYOUT_NORMAL;
mDataChanged = false;
if (mPositionScrollAfterLayout != null) {
post(mPositionScrollAfterLayout);
mPositionScrollAfterLayout = null;
}
mNeedSync = false;
setNextSelectedPositionInt(mSelectedPosition);
updateScrollIndicators();
if (mItemCount > 0) {
checkSelectionChanged();
}
invokeOnItemScrollListener();
} finally {
if (!blockLayoutRequests) {
mBlockLayoutRequests = false;
}
}
}
use of android.view.ViewRootImpl in project android_frameworks_base by DirtyUnicorns.
the class PasswordEntryKeyboardHelper method sendDownUpKeyEvents.
public void sendDownUpKeyEvents(int keyEventCode) {
long eventTime = SystemClock.uptimeMillis();
ViewRootImpl viewRootImpl = mTargetView.getViewRootImpl();
viewRootImpl.dispatchKeyFromIme(new KeyEvent(eventTime, eventTime, KeyEvent.ACTION_DOWN, keyEventCode, 0, 0, KeyCharacterMap.VIRTUAL_KEYBOARD, 0, KeyEvent.FLAG_SOFT_KEYBOARD | KeyEvent.FLAG_KEEP_TOUCH_MODE));
viewRootImpl.dispatchKeyFromIme(new KeyEvent(eventTime, eventTime, KeyEvent.ACTION_UP, keyEventCode, 0, 0, KeyCharacterMap.VIRTUAL_KEYBOARD, 0, KeyEvent.FLAG_SOFT_KEYBOARD | KeyEvent.FLAG_KEEP_TOUCH_MODE));
}
use of android.view.ViewRootImpl in project android_frameworks_base by DirtyUnicorns.
the class PasswordEntryKeyboardHelper method sendKeyEventsToTarget.
private void sendKeyEventsToTarget(int character) {
ViewRootImpl viewRootImpl = mTargetView.getViewRootImpl();
KeyEvent[] events = KeyCharacterMap.load(KeyCharacterMap.VIRTUAL_KEYBOARD).getEvents(new char[] { (char) character });
if (events != null) {
final int N = events.length;
for (int i = 0; i < N; i++) {
KeyEvent event = events[i];
event = KeyEvent.changeFlags(event, event.getFlags() | KeyEvent.FLAG_SOFT_KEYBOARD | KeyEvent.FLAG_KEEP_TOUCH_MODE);
viewRootImpl.dispatchInputEvent(event);
}
}
}
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