List of usage examples for android.view View invalidate
public void invalidate()
From source file:edu.sfsu.cs.orange.ocr.CaptureActivity.java
@Override public void onCreate(Bundle icicle) { super.onCreate(icicle); checkFirstLaunch();/*from w w w . java 2 s. com*/ if (isFirstLaunch) { setDefaultPreferences(); } Window window = getWindow(); window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS); setContentView(R.layout.capture); viewfinderView = (ViewfinderView) findViewById(R.id.viewfinder_view); cameraButtonView = findViewById(R.id.camera_button_view); resultView = findViewById(R.id.result_view); statusViewBottom = (TextView) findViewById(R.id.status_view_bottom); registerForContextMenu(statusViewBottom); statusViewTop = (TextView) findViewById(R.id.status_view_top); registerForContextMenu(statusViewTop); handler = null; lastResult = null; hasSurface = false; beepManager = new BeepManager(this); // Camera shutter button if (DISPLAY_SHUTTER_BUTTON) { shutterButton = (ShutterButton) findViewById(R.id.shutter_button); shutterButton.setOnShutterButtonListener(this); } ocrResultView = (TextView) findViewById(R.id.ocr_result_text_view); registerForContextMenu(ocrResultView); translationView = (TextView) findViewById(R.id.translation_text_view); registerForContextMenu(translationView); progressView = (View) findViewById(R.id.indeterminate_progress_indicator_view); cameraManager = new CameraManager(getApplication()); viewfinderView.setCameraManager(cameraManager); // Set listener to change the size of the viewfinder rectangle. viewfinderView.setOnTouchListener(new View.OnTouchListener() { int lastX = -1; int lastY = -1; @Override public boolean onTouch(View v, MotionEvent event) { switch (event.getAction()) { case MotionEvent.ACTION_DOWN: lastX = -1; lastY = -1; return true; case MotionEvent.ACTION_MOVE: int currentX = (int) event.getX(); int currentY = (int) event.getY(); try { Rect rect = cameraManager.getFramingRect(); final int BUFFER = 50; final int BIG_BUFFER = 60; if (lastX >= 0) { // Adjust the size of the viewfinder rectangle. Check if the touch event occurs in the corner areas first, because the regions overlap. if (((currentX >= rect.left - BIG_BUFFER && currentX <= rect.left + BIG_BUFFER) || (lastX >= rect.left - BIG_BUFFER && lastX <= rect.left + BIG_BUFFER)) && ((currentY <= rect.top + BIG_BUFFER && currentY >= rect.top - BIG_BUFFER) || (lastY <= rect.top + BIG_BUFFER && lastY >= rect.top - BIG_BUFFER))) { // Top left corner: adjust both top and left sides cameraManager.adjustFramingRect(2 * (lastX - currentX), 2 * (lastY - currentY)); viewfinderView.removeResultText(); } else if (((currentX >= rect.right - BIG_BUFFER && currentX <= rect.right + BIG_BUFFER) || (lastX >= rect.right - BIG_BUFFER && lastX <= rect.right + BIG_BUFFER)) && ((currentY <= rect.top + BIG_BUFFER && currentY >= rect.top - BIG_BUFFER) || (lastY <= rect.top + BIG_BUFFER && lastY >= rect.top - BIG_BUFFER))) { // Top right corner: adjust both top and right sides cameraManager.adjustFramingRect(2 * (currentX - lastX), 2 * (lastY - currentY)); viewfinderView.removeResultText(); } else if (((currentX >= rect.left - BIG_BUFFER && currentX <= rect.left + BIG_BUFFER) || (lastX >= rect.left - BIG_BUFFER && lastX <= rect.left + BIG_BUFFER)) && ((currentY <= rect.bottom + BIG_BUFFER && currentY >= rect.bottom - BIG_BUFFER) || (lastY <= rect.bottom + BIG_BUFFER && lastY >= rect.bottom - BIG_BUFFER))) { // Bottom left corner: adjust both bottom and left sides cameraManager.adjustFramingRect(2 * (lastX - currentX), 2 * (currentY - lastY)); viewfinderView.removeResultText(); } else if (((currentX >= rect.right - BIG_BUFFER && currentX <= rect.right + BIG_BUFFER) || (lastX >= rect.right - BIG_BUFFER && lastX <= rect.right + BIG_BUFFER)) && ((currentY <= rect.bottom + BIG_BUFFER && currentY >= rect.bottom - BIG_BUFFER) || (lastY <= rect.bottom + BIG_BUFFER && lastY >= rect.bottom - BIG_BUFFER))) { // Bottom right corner: adjust both bottom and right sides cameraManager.adjustFramingRect(2 * (currentX - lastX), 2 * (currentY - lastY)); viewfinderView.removeResultText(); } else if (((currentX >= rect.left - BUFFER && currentX <= rect.left + BUFFER) || (lastX >= rect.left - BUFFER && lastX <= rect.left + BUFFER)) && ((currentY <= rect.bottom && currentY >= rect.top) || (lastY <= rect.bottom && lastY >= rect.top))) { // Adjusting left side: event falls within BUFFER pixels of left side, and between top and bottom side limits cameraManager.adjustFramingRect(2 * (lastX - currentX), 0); viewfinderView.removeResultText(); } else if (((currentX >= rect.right - BUFFER && currentX <= rect.right + BUFFER) || (lastX >= rect.right - BUFFER && lastX <= rect.right + BUFFER)) && ((currentY <= rect.bottom && currentY >= rect.top) || (lastY <= rect.bottom && lastY >= rect.top))) { // Adjusting right side: event falls within BUFFER pixels of right side, and between top and bottom side limits cameraManager.adjustFramingRect(2 * (currentX - lastX), 0); viewfinderView.removeResultText(); } else if (((currentY <= rect.top + BUFFER && currentY >= rect.top - BUFFER) || (lastY <= rect.top + BUFFER && lastY >= rect.top - BUFFER)) && ((currentX <= rect.right && currentX >= rect.left) || (lastX <= rect.right && lastX >= rect.left))) { // Adjusting top side: event falls within BUFFER pixels of top side, and between left and right side limits cameraManager.adjustFramingRect(0, 2 * (lastY - currentY)); viewfinderView.removeResultText(); } else if (((currentY <= rect.bottom + BUFFER && currentY >= rect.bottom - BUFFER) || (lastY <= rect.bottom + BUFFER && lastY >= rect.bottom - BUFFER)) && ((currentX <= rect.right && currentX >= rect.left) || (lastX <= rect.right && lastX >= rect.left))) { // Adjusting bottom side: event falls within BUFFER pixels of bottom side, and between left and right side limits cameraManager.adjustFramingRect(0, 2 * (currentY - lastY)); viewfinderView.removeResultText(); } } } catch (NullPointerException e) { Log.e(TAG, "Framing rect not available", e); } v.invalidate(); lastX = currentX; lastY = currentY; return true; case MotionEvent.ACTION_UP: lastX = -1; lastY = -1; return true; } return false; } }); isEngineReady = false; aq = new AQuery(this); beerQuery = new BeerQuery(); }
From source file:com.fairphone.fplauncher3.Workspace.java
private void updateShortcutsAndWidgetsPerUser(ArrayList<AppInfo> apps, final UserHandleCompat user) { // Create a map of the apps to test against final HashMap<ComponentName, AppInfo> appsMap = new HashMap<ComponentName, AppInfo>(); final HashSet<String> pkgNames = new HashSet<String>(); for (AppInfo ai : apps) { appsMap.put(ai.componentName, ai); pkgNames.add(ai.componentName.getPackageName()); }// ww w . j av a 2 s . co m final HashSet<ComponentName> iconsToRemove = new HashSet<ComponentName>(); mapOverItems(MAP_RECURSE, new ItemOperator() { @Override public boolean evaluate(ItemInfo info, View v, View parent) { if (info instanceof ShortcutInfo && v instanceof BubbleTextView) { ShortcutInfo shortcutInfo = (ShortcutInfo) info; ComponentName cn = shortcutInfo.getTargetComponent(); AppInfo appInfo = appsMap.get(cn); if (user.equals(shortcutInfo.user) && cn != null && LauncherModel.isShortcutInfoUpdateable(info) && pkgNames.contains(cn.getPackageName())) { boolean promiseStateChanged = false; boolean infoUpdated = false; if (shortcutInfo.isPromise()) { if (shortcutInfo.hasStatusFlag(ShortcutInfo.FLAG_AUTOINTALL_ICON)) { // Auto install icon PackageManager pm = getContext().getPackageManager(); ResolveInfo matched = pm .resolveActivity( new Intent(Intent.ACTION_MAIN).setComponent(cn) .addCategory(Intent.CATEGORY_LAUNCHER), PackageManager.MATCH_DEFAULT_ONLY); if (matched == null) { // Try to find the best match activity. Intent intent = pm.getLaunchIntentForPackage(cn.getPackageName()); if (intent != null) { cn = intent.getComponent(); appInfo = appsMap.get(cn); } if ((intent == null) || (appsMap == null)) { // Could not find a default activity. Remove this item. iconsToRemove.add(shortcutInfo.getTargetComponent()); // process next shortcut. return false; } shortcutInfo.promisedIntent = intent; } } // Restore the shortcut. shortcutInfo.intent = shortcutInfo.promisedIntent; shortcutInfo.promisedIntent = null; shortcutInfo.status &= ~ShortcutInfo.FLAG_RESTORED_ICON & ~ShortcutInfo.FLAG_AUTOINTALL_ICON & ~ShortcutInfo.FLAG_INSTALL_SESSION_ACTIVE; promiseStateChanged = true; infoUpdated = true; shortcutInfo.updateIcon(mIconCache); LauncherModel.updateItemInDatabase(getContext(), shortcutInfo); } if (appInfo != null) { shortcutInfo.updateIcon(mIconCache); shortcutInfo.title = appInfo.title.toString(); shortcutInfo.contentDescription = appInfo.contentDescription; infoUpdated = true; } if (infoUpdated) { BubbleTextView shortcut = (BubbleTextView) v; shortcut.applyFromShortcutInfo(shortcutInfo, mIconCache, true, promiseStateChanged); if (parent != null) { parent.invalidate(); } } } } // process all the shortcuts return false; } }); if (!iconsToRemove.isEmpty()) { removeItemsByComponentName(iconsToRemove, user); } if (user.equals(UserHandleCompat.myUserHandle())) { restorePendingWidgets(pkgNames); } }
From source file:org.telegram.ui.ArticleViewer.java
private boolean checkLayoutForLinks(MotionEvent event, View parentView, StaticLayout layout, int layoutX, int layoutY) { if (parentView == null || layout == null) { return false; }/*from w ww . j a va 2 s .com*/ CharSequence text = layout.getText(); if (!(text instanceof Spannable)) { return false; } int x = (int) event.getX(); int y = (int) event.getY(); boolean removeLink = false; if (event.getAction() == MotionEvent.ACTION_DOWN) { if (x >= layoutX && x <= layoutX + layout.getWidth() && y >= layoutY && y <= layoutY + layout.getHeight()) { try { int checkX = x - layoutX; int checkY = y - layoutY; final int line = layout.getLineForVertical(checkY); final int off = layout.getOffsetForHorizontal(line, checkX); final float left = layout.getLineLeft(line); if (left <= checkX && left + layout.getLineWidth(line) >= checkX) { Spannable buffer = (Spannable) layout.getText(); TextPaintUrlSpan[] link = buffer.getSpans(off, off, TextPaintUrlSpan.class); if (link != null && link.length > 0) { pressedLink = link[0]; int pressedStart = buffer.getSpanStart(pressedLink); int pressedEnd = buffer.getSpanEnd(pressedLink); for (int a = 1; a < link.length; a++) { TextPaintUrlSpan span = link[a]; int start = buffer.getSpanStart(span); int end = buffer.getSpanEnd(span); if (pressedStart > start || end > pressedEnd) { pressedLink = span; pressedStart = start; pressedEnd = end; } } pressedLinkOwnerLayout = layout; pressedLinkOwnerView = parentView; try { urlPath.setCurrentLayout(layout, pressedStart, 0); layout.getSelectionPath(pressedStart, pressedEnd, urlPath); parentView.invalidate(); } catch (Exception e) { FileLog.e(e); } } } } catch (Exception e) { FileLog.e(e); } } } else if (event.getAction() == MotionEvent.ACTION_UP) { if (pressedLink != null) { removeLink = true; String url = pressedLink.getUrl(); if (url != null) { int index; boolean isAnchor = false; final String anchor; if ((index = url.lastIndexOf('#')) != -1) { anchor = url.substring(index + 1); if (url.toLowerCase().contains(currentPage.url.toLowerCase())) { Integer row = anchors.get(anchor); if (row != null) { layoutManager.scrollToPositionWithOffset(row, 0); isAnchor = true; } } } else { anchor = null; } if (!isAnchor) { if (openUrlReqId == 0) { showProgressView(true); final TLRPC.TL_messages_getWebPage req = new TLRPC.TL_messages_getWebPage(); req.url = pressedLink.getUrl(); req.hash = 0; openUrlReqId = ConnectionsManager.getInstance().sendRequest(req, new RequestDelegate() { @Override public void run(final TLObject response, TLRPC.TL_error error) { AndroidUtilities.runOnUIThread(new Runnable() { @Override public void run() { if (openUrlReqId == 0) { return; } openUrlReqId = 0; showProgressView(false); if (isVisible) { if (response instanceof TLRPC.TL_webPage && ((TLRPC.TL_webPage) response).cached_page instanceof TLRPC.TL_pageFull) { addPageToStack((TLRPC.TL_webPage) response, anchor); } else { Browser.openUrl(parentActivity, req.url); } } } }); } }); } } } } } else if (event.getAction() == MotionEvent.ACTION_CANCEL) { removeLink = true; } if (removeLink && pressedLink != null) { pressedLink = null; pressedLinkOwnerLayout = null; pressedLinkOwnerView = null; parentView.invalidate(); } if (pressedLink != null && event.getAction() == MotionEvent.ACTION_DOWN) { startCheckLongPress(); } if (event.getAction() != MotionEvent.ACTION_DOWN && event.getAction() != MotionEvent.ACTION_MOVE) { cancelCheckLongPress(); } return pressedLink != null; }
From source file:com.edible.ocr.CaptureActivity.java
@Override public void onCreate(Bundle icicle) { super.onCreate(icicle); checkFirstLaunch();/*from w w w . j av a 2 s . c om*/ if (isFirstLaunch) { setDefaultPreferences(); } currentContext = this; Window window = getWindow(); window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS); setContentView(R.layout.capture); viewfinderView = (ViewfinderView) findViewById(R.id.viewfinder_view); cameraButtonView = findViewById(R.id.camera_button_view); resultView = findViewById(R.id.result_view); statusViewBottom = (TextView) findViewById(R.id.status_view_bottom); registerForContextMenu(statusViewBottom); statusViewTop = (TextView) findViewById(R.id.status_view_top); registerForContextMenu(statusViewTop); handler = null; lastResult = null; hasSurface = false; beepManager = new BeepManager(this); // Camera shutter button if (DISPLAY_SHUTTER_BUTTON) { shutterButton = (ShutterButton) findViewById(R.id.shutter_button); shutterButton.setOnShutterButtonListener(this); } settingButton = (Button) findViewById(R.id.setting_button); settingButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub Intent intent = new Intent(currentContext, PreferencesActivity.class); startActivity(intent); } }); aboutButton = (Button) findViewById(R.id.about_button); aboutButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub Intent intent = new Intent(currentContext, HelpActivity.class); intent.putExtra(HelpActivity.REQUESTED_PAGE_KEY, HelpActivity.ABOUT_PAGE); startActivity(intent); } }); final EditText editText = (EditText) findViewById(R.id.typed_result); editText.setOnEditorActionListener(new OnEditorActionListener() { @Override public boolean onEditorAction(TextView v, int actionId, KeyEvent event) { boolean handled = false; if (actionId == EditorInfo.IME_ACTION_SEARCH) { // add capture button function Intent openDetail = new Intent(currentContext, DetailInfo.class); String req = editText.getText().toString(); // openDetail.putExtra("request", "Filet Steak"); openDetail.putExtra("request", req); editText.setText(""); startActivity(openDetail); handled = true; } return handled; } }); StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build(); StrictMode.setThreadPolicy(policy); //DB_textview = (TextView)findViewById(R.id.DB_text_view); //new HttpAsyncTask().execute("https://www.googleapis.com/language/translate/v2?key=" + KEY + "&q=hello%20world&source=en&target=de"); /* For Client Server Connection */ getButton = (Button) findViewById(R.id.get_text_button); getButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub Intent openDetail = new Intent(currentContext, DetailInfo.class); String req = (String) ocrResultView.getText(); // openDetail.putExtra("request", "Filet Steak"); openDetail.putExtra("request", req); startActivity(openDetail); } }); ocrResultView = (TextView) findViewById(R.id.ocr_result_text_view); registerForContextMenu(ocrResultView); translationView = (TextView) findViewById(R.id.translation_text_view); registerForContextMenu(translationView); progressView = (View) findViewById(R.id.indeterminate_progress_indicator_view); cameraManager = new CameraManager(getApplication()); viewfinderView.setCameraManager(cameraManager); // Set listener to change the size of the viewfinder rectangle. viewfinderView.setOnTouchListener(new View.OnTouchListener() { int lastX = -1; int lastY = -1; @Override public boolean onTouch(View v, MotionEvent event) { switch (event.getAction()) { case MotionEvent.ACTION_DOWN: lastX = -1; lastY = -1; return true; case MotionEvent.ACTION_MOVE: int currentX = (int) event.getX(); int currentY = (int) event.getY(); try { Rect rect = cameraManager.getFramingRect(); final int BUFFER = 50; final int BIG_BUFFER = 60; if (lastX >= 0) { // Adjust the size of the viewfinder rectangle. Check if the touch event occurs in the corner areas first, because the regions overlap. if (((currentX >= rect.left - BIG_BUFFER && currentX <= rect.left + BIG_BUFFER) || (lastX >= rect.left - BIG_BUFFER && lastX <= rect.left + BIG_BUFFER)) && ((currentY <= rect.top + BIG_BUFFER && currentY >= rect.top - BIG_BUFFER) || (lastY <= rect.top + BIG_BUFFER && lastY >= rect.top - BIG_BUFFER))) { // Top left corner: adjust both top and left sides cameraManager.adjustFramingRect(2 * (lastX - currentX), 2 * (lastY - currentY)); viewfinderView.removeResultText(); } else if (((currentX >= rect.right - BIG_BUFFER && currentX <= rect.right + BIG_BUFFER) || (lastX >= rect.right - BIG_BUFFER && lastX <= rect.right + BIG_BUFFER)) && ((currentY <= rect.top + BIG_BUFFER && currentY >= rect.top - BIG_BUFFER) || (lastY <= rect.top + BIG_BUFFER && lastY >= rect.top - BIG_BUFFER))) { // Top right corner: adjust both top and right sides cameraManager.adjustFramingRect(2 * (currentX - lastX), 2 * (lastY - currentY)); viewfinderView.removeResultText(); } else if (((currentX >= rect.left - BIG_BUFFER && currentX <= rect.left + BIG_BUFFER) || (lastX >= rect.left - BIG_BUFFER && lastX <= rect.left + BIG_BUFFER)) && ((currentY <= rect.bottom + BIG_BUFFER && currentY >= rect.bottom - BIG_BUFFER) || (lastY <= rect.bottom + BIG_BUFFER && lastY >= rect.bottom - BIG_BUFFER))) { // Bottom left corner: adjust both bottom and left sides cameraManager.adjustFramingRect(2 * (lastX - currentX), 2 * (currentY - lastY)); viewfinderView.removeResultText(); } else if (((currentX >= rect.right - BIG_BUFFER && currentX <= rect.right + BIG_BUFFER) || (lastX >= rect.right - BIG_BUFFER && lastX <= rect.right + BIG_BUFFER)) && ((currentY <= rect.bottom + BIG_BUFFER && currentY >= rect.bottom - BIG_BUFFER) || (lastY <= rect.bottom + BIG_BUFFER && lastY >= rect.bottom - BIG_BUFFER))) { // Bottom right corner: adjust both bottom and right sides cameraManager.adjustFramingRect(2 * (currentX - lastX), 2 * (currentY - lastY)); viewfinderView.removeResultText(); } else if (((currentX >= rect.left - BUFFER && currentX <= rect.left + BUFFER) || (lastX >= rect.left - BUFFER && lastX <= rect.left + BUFFER)) && ((currentY <= rect.bottom && currentY >= rect.top) || (lastY <= rect.bottom && lastY >= rect.top))) { // Adjusting left side: event falls within BUFFER pixels of left side, and between top and bottom side limits cameraManager.adjustFramingRect(2 * (lastX - currentX), 0); viewfinderView.removeResultText(); } else if (((currentX >= rect.right - BUFFER && currentX <= rect.right + BUFFER) || (lastX >= rect.right - BUFFER && lastX <= rect.right + BUFFER)) && ((currentY <= rect.bottom && currentY >= rect.top) || (lastY <= rect.bottom && lastY >= rect.top))) { // Adjusting right side: event falls within BUFFER pixels of right side, and between top and bottom side limits cameraManager.adjustFramingRect(2 * (currentX - lastX), 0); viewfinderView.removeResultText(); } else if (((currentY <= rect.top + BUFFER && currentY >= rect.top - BUFFER) || (lastY <= rect.top + BUFFER && lastY >= rect.top - BUFFER)) && ((currentX <= rect.right && currentX >= rect.left) || (lastX <= rect.right && lastX >= rect.left))) { // Adjusting top side: event falls within BUFFER pixels of top side, and between left and right side limits cameraManager.adjustFramingRect(0, 2 * (lastY - currentY)); viewfinderView.removeResultText(); } else if (((currentY <= rect.bottom + BUFFER && currentY >= rect.bottom - BUFFER) || (lastY <= rect.bottom + BUFFER && lastY >= rect.bottom - BUFFER)) && ((currentX <= rect.right && currentX >= rect.left) || (lastX <= rect.right && lastX >= rect.left))) { // Adjusting bottom side: event falls within BUFFER pixels of bottom side, and between left and right side limits cameraManager.adjustFramingRect(0, 2 * (currentY - lastY)); viewfinderView.removeResultText(); } } } catch (NullPointerException e) { Log.e(TAG, "Framing rect not available", e); } v.invalidate(); lastX = currentX; lastY = currentY; return true; case MotionEvent.ACTION_UP: lastX = -1; lastY = -1; return true; } return false; } }); isEngineReady = false; }