protected TiActivitySupportHelper getSupportHelper() { if (supportHelper == null) { this.supportHelper = new TiActivitySupportHelper(this); // Register the supportHelper so we can get it back when the activity is recovered from // force-quitting. supportHelperId = TiActivitySupportHelpers.addSupportHelper(supportHelper); } return supportHelper; }
@Override protected void onRestoreInstanceState(Bundle savedInstanceState) { super.onRestoreInstanceState(savedInstanceState); if (savedInstanceState.containsKey("supportHelperId")) { supportHelperId = savedInstanceState.getInt("supportHelperId"); supportHelper = TiActivitySupportHelpers.retrieveSupportHelper(this, supportHelperId); if (supportHelper == null) { Log.e(TAG, "Unable to retrieve the activity support helper."); } } }
@Override /** * When this activity is destroyed, this method removes it from the activity stack, performs clean * up, and fires javascript 'destroy' event. */ protected void onDestroy() { Log.d(TAG, "Activity " + this + " onDestroy", Log.DEBUG_MODE); inForeground = false; TiApplication tiApp = getTiApp(); // Clean up dialogs when activity is destroyed. releaseDialogs(true); if (tiApp.isRestartPending()) { super.onDestroy(); if (!isFinishing()) { finish(); } return; } synchronized (lifecycleListeners.synchronizedList()) { for (OnLifecycleEvent listener : lifecycleListeners.nonNull()) { try { TiLifecycle.fireLifecycleEvent(this, listener, TiLifecycle.LIFECYCLE_ON_DESTROY); } catch (Throwable t) { Log.e(TAG, "Error dispatching lifecycle event: " + t.getMessage(), t); } } } super.onDestroy(); boolean isFinishing = isFinishing(); // If the activity is finishing, remove the windowId and supportHelperId so the window and // supportHelper can be released. // If the activity is forced to destroy by Android OS, keep the windowId and supportHelperId so // the activity can be recovered. if (isFinishing) { int windowId = getIntentInt(TiC.INTENT_PROPERTY_WINDOW_ID, -1); TiActivityWindows.removeWindow(windowId); TiActivitySupportHelpers.removeSupportHelper(supportHelperId); } fireOnDestroy(); if (layout instanceof TiCompositeLayout) { Log.e(TAG, "Layout cleanup.", Log.DEBUG_MODE); ((TiCompositeLayout) layout).removeAllViews(); } layout = null; // LW windows if (window == null && view != null) { view.releaseViews(); view = null; } if (window != null) { window.closeFromActivity(isFinishing); window = null; } if (menuHelper != null) { menuHelper.destroy(); menuHelper = null; } if (activityProxy != null) { activityProxy.release(); activityProxy = null; } // Don't dispose the runtime if the activity is forced to destroy by Android, // so we can recover the activity later. KrollRuntime.decrementActivityRefCount(isFinishing); KrollRuntime.suggestGC(); }