Bug fixes

TMessagesProj/build.gradle

@@ -80,7 +80,7 @@ android {
     defaultConfig {
         minSdkVersion 8
         targetSdkVersion 21
-        versionCode 395
-        versionName "2.0.4"
+        versionCode 397
+        versionName "2.0.5"
     }
 }

TMessagesProj/src/main/java/org/telegram/android/NotificationsController.java

@@ -425,7 +425,9 @@ public class NotificationsController {
             }
 
             mBuilder.setCategory(NotificationCompat.CATEGORY_MESSAGE);
-            mBuilder.setVisibility(NotificationCompat.VISIBILITY_PUBLIC);
+            if (chat == null && user != null && user.phone != null && user.phone.length() > 0) {
+                mBuilder.addPerson("tel:+" + user.phone);
+            }
             /*Bundle bundle = new Bundle();
             bundle.putString(NotificationCompat.EXTRA_PEOPLE, );
             mBuilder.setExtras()*/
@@ -636,6 +638,10 @@ public class NotificationsController {
                     .extend(new NotificationCompat.WearableExtender().addAction(action))
                     .setCategory(NotificationCompat.CATEGORY_MESSAGE);
 
+            if (chat == null && user != null && user.phone != null && user.phone.length() > 0) {
+                builder.addPerson("tel:+" + user.phone);
+            }
+
             notificationManager.notify(notificationId, builder.build());
             wearNoticationsIds.put(dialog_id, notificationId);
         }

TMessagesProj/src/main/java/org/telegram/ui/ActionBar/ActionBar.java

@@ -40,6 +40,7 @@ public class ActionBar extends FrameLayout {
     private ImageView backButtonImageView;
     private TextView titleTextView;
     private TextView subTitleTextView;
+    private View actionModeTop;
     private ActionBarMenu menu;
     private ActionBarMenu actionMode;
     private boolean occupyStatusBar = Build.VERSION.SDK_INT >= 21;
@@ -343,6 +344,19 @@ public class ActionBar extends FrameLayout {
         layoutParams.gravity = Gravity.RIGHT;
         actionMode.setLayoutParams(layoutParams);
         actionMode.setVisibility(GONE);
+
+        if (occupyStatusBar) {
+            actionModeTop = new View(getContext());
+            actionModeTop.setBackgroundColor(0x99000000);
+            addView(actionModeTop);
+            layoutParams = (FrameLayout.LayoutParams)actionModeTop.getLayoutParams();
+            layoutParams.height = AndroidUtilities.statusBarHeight;
+            layoutParams.width = LayoutParams.FILL_PARENT;
+            layoutParams.gravity = Gravity.TOP | Gravity.LEFT;
+            actionModeTop.setLayoutParams(layoutParams);
+            actionModeTop.setVisibility(GONE);
+        }
+
         return actionMode;
     }
 
@@ -351,6 +365,9 @@ public class ActionBar extends FrameLayout {
             return;
         }
         actionMode.setVisibility(VISIBLE);
+        if (actionModeTop != null) {
+            actionModeTop.setVisibility(VISIBLE);
+        }
         if (titleFrameLayout != null) {
             titleFrameLayout.setVisibility(INVISIBLE);
         }
@@ -364,6 +381,9 @@ public class ActionBar extends FrameLayout {
             return;
         }
         actionMode.setVisibility(GONE);
+        if (actionModeTop != null) {
+            actionModeTop.setVisibility(GONE);
+        }
         if (titleFrameLayout != null) {
             titleFrameLayout.setVisibility(VISIBLE);
         }

TMessagesProj/src/main/java/org/telegram/ui/ActionBar/BaseFragment.java

@@ -119,7 +119,6 @@ public class BaseFragment {
     public void onPause() {
         if (actionBar != null) {
             actionBar.onPause();
-            actionBar.closeSearchField();
         }
         try {
             if (visibleDialog != null && visibleDialog.isShowing()) {

TMessagesProj/src/main/java/org/telegram/ui/Adapters/ContactsAdapter.java

@@ -9,6 +9,7 @@
 package org.telegram.ui.Adapters;
 
 import android.content.Context;
+import android.os.Build;
 import android.view.View;
 import android.view.ViewGroup;
 
@@ -35,6 +36,7 @@ public class ContactsAdapter extends BaseSectionsAdapter {
     private boolean needPhonebook;
     private HashMap<Integer, TLRPC.User> ignoreUsers;
     private HashMap<Integer, ?> checkedMap;
+    private boolean scrolling;
 
     public ContactsAdapter(Context context, boolean arg1, boolean arg2, HashMap<Integer, TLRPC.User> arg3) {
         mContext = context;
@@ -47,6 +49,10 @@ public class ContactsAdapter extends BaseSectionsAdapter {
         checkedMap = map;
     }
 
+    public void setIsScrolling(boolean value) {
+        scrolling = value;
+    }
+
     @Override
     public Object getItem(int section, int position) {
         if (onlyUsers) {
@@ -175,7 +181,7 @@ public class ContactsAdapter extends BaseSectionsAdapter {
         if (type == 4) {
             if (convertView == null) {
                 convertView = new DividerCell(mContext);
-                convertView.setPadding(AndroidUtilities.dp(LocaleController.isRTL ? 24 : 72), 0, AndroidUtilities.dp(LocaleController.isRTL ? 72 : 24), 0);
+                convertView.setPadding(AndroidUtilities.dp(LocaleController.isRTL ? 28 : 72), 0, AndroidUtilities.dp(LocaleController.isRTL ? 72 : 28), 0);
             }
         } else if (type == 3) {
             if (convertView == null) {
@@ -220,7 +226,7 @@ public class ContactsAdapter extends BaseSectionsAdapter {
             TLRPC.User user = MessagesController.getInstance().getUser(arr.get(position).user_id);
             ((UserCell)convertView).setData(user, null, null, 0);
             if (checkedMap != null) {
-                ((UserCell) convertView).setChecked(checkedMap.containsKey(user.id), false);
+                ((UserCell) convertView).setChecked(checkedMap.containsKey(user.id), !scrolling  && Build.VERSION.SDK_INT > 10);
             }
             if (ignoreUsers != null) {
                 if (ignoreUsers.containsKey(user.id)) {

TMessagesProj/src/main/java/org/telegram/ui/Cells/TextDetailDocumentsCell.java

@@ -19,6 +19,7 @@ import android.widget.TextView;
 import org.telegram.android.AndroidUtilities;
 import org.telegram.android.LocaleController;
 import org.telegram.ui.Views.BackupImageView;
+import org.telegram.ui.Views.CheckBox;
 
 public class TextDetailDocumentsCell extends FrameLayout {
 
@@ -26,6 +27,7 @@ public class TextDetailDocumentsCell extends FrameLayout {
     private TextView valueTextView;
     private TextView typeTextView;
     private BackupImageView imageView;
+    private CheckBox checkBox;
 
     public TextDetailDocumentsCell(Context context) {
         super(context);
@@ -90,6 +92,18 @@ public class TextDetailDocumentsCell extends FrameLayout {
         layoutParams.rightMargin = AndroidUtilities.dp(LocaleController.isRTL ? 16 : 0);
         layoutParams.gravity = (LocaleController.isRTL ? Gravity.RIGHT : Gravity.LEFT) | Gravity.CENTER_VERTICAL;
         imageView.setLayoutParams(layoutParams);
+
+        checkBox = new CheckBox(context);
+        checkBox.setVisibility(GONE);
+        addView(checkBox);
+        layoutParams = (LayoutParams) checkBox.getLayoutParams();
+        layoutParams.width = AndroidUtilities.dp(22);
+        layoutParams.height = AndroidUtilities.dp(22);
+        layoutParams.topMargin = AndroidUtilities.dp(34);
+        layoutParams.leftMargin = LocaleController.isRTL ? 0 : AndroidUtilities.dp(38);
+        layoutParams.rightMargin = LocaleController.isRTL ? AndroidUtilities.dp(38) : 0;
+        layoutParams.gravity = (LocaleController.isRTL ? Gravity.RIGHT : Gravity.LEFT);
+        checkBox.setLayoutParams(layoutParams);
     }
 
     @Override
@@ -117,4 +131,11 @@ public class TextDetailDocumentsCell extends FrameLayout {
             imageView.setVisibility(GONE);
         }
     }
+
+    public void setChecked(boolean checked, boolean animated) {
+        if (checkBox.getVisibility() != VISIBLE) {
+            checkBox.setVisibility(VISIBLE);
+        }
+        checkBox.setChecked(checked, animated);
+    }
 }

TMessagesProj/src/main/java/org/telegram/ui/ChatActivity.java

@@ -572,9 +572,9 @@ public class ChatActivity extends BaseFragment implements NotificationCenter.Not
                         DocumentSelectActivity fragment = new DocumentSelectActivity();
                         fragment.setDelegate(new DocumentSelectActivity.DocumentSelectActivityDelegate() {
                             @Override
-                            public void didSelectFile(DocumentSelectActivity activity, String path) {
+                            public void didSelectFiles(DocumentSelectActivity activity, ArrayList<String> files) {
                                 activity.finishFragment();
-                                SendMessagesHelper.prepareSendingDocument(path, path, null, null, dialog_id);
+                                SendMessagesHelper.prepareSendingDocuments(files, files, null, null, dialog_id);
                             }
 
                             @Override

TMessagesProj/src/main/java/org/telegram/ui/ContactsActivity.java

@@ -440,6 +440,14 @@ public class ContactsActivity extends BaseFragment implements NotificationCenter
         }
     }
 
+    @Override
+    public void onPause() {
+        super.onPause();
+        if (actionBar != null) {
+            actionBar.closeSearchField();
+        }
+    }
+
     @Override
     public void didReceivedNotification(int id, Object... args) {
         if (id == NotificationCenter.contactsDidLoaded) {

TMessagesProj/src/main/java/org/telegram/ui/DocumentSelectActivity.java

@@ -16,11 +16,15 @@ import android.content.IntentFilter;
 import android.os.Build;
 import android.os.Environment;
 import android.os.StatFs;
+import android.text.TextUtils;
+import android.view.Gravity;
 import android.view.LayoutInflater;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.AbsListView;
 import android.widget.AdapterView;
+import android.widget.LinearLayout;
 import android.widget.ListView;
 import android.widget.TextView;
 
@@ -33,6 +37,8 @@ import org.telegram.ui.Adapters.BaseFragmentAdapter;
 import org.telegram.ui.ActionBar.ActionBar;
 import org.telegram.ui.ActionBar.ActionBarMenu;
 import org.telegram.ui.ActionBar.ActionBarMenuItem;
+import org.telegram.ui.AnimationCompat.AnimatorSetProxy;
+import org.telegram.ui.AnimationCompat.ObjectAnimatorProxy;
 import org.telegram.ui.Cells.TextDetailDocumentsCell;
 import org.telegram.ui.ActionBar.BaseFragment;
 
@@ -47,19 +53,26 @@ import java.util.HashMap;
 public class DocumentSelectActivity extends BaseFragment {
 
     public static abstract interface DocumentSelectActivityDelegate {
-        public void didSelectFile(DocumentSelectActivity activity, String path);
+        public void didSelectFiles(DocumentSelectActivity activity, ArrayList<String> files);
         public void startDocumentSelectActivity();
     }
 
     private ListView listView;
     private ListAdapter listAdapter;
-    private File currentDir;
+    private TextView selectedMessagesCountTextView;
     private TextView emptyView;
+
+    private File currentDir;
     private ArrayList<ListItem> items = new ArrayList<ListItem>();
     private boolean receiverRegistered = false;
     private ArrayList<HistoryEntry> history = new ArrayList<HistoryEntry>();
     private long sizeLimit = 1024 * 1024 * 1024;
     private DocumentSelectActivityDelegate delegate;
+    private HashMap<String, ListItem> selectedFiles = new HashMap<String, ListItem>();
+    private ArrayList<View> actionModeViews = new ArrayList<View>();
+    private boolean scrolling;
+
+    private final static int done = 3;
 
     private class ListItem {
         int icon;
@@ -144,11 +157,51 @@ public class DocumentSelectActivity extends BaseFragment {
                             delegate.startDocumentSelectActivity();
                         }
                         finishFragment(false);
+                    } else if (id == -2) {
+                        selectedFiles.clear();
+                        actionBar.hideActionMode();
+                        listView.invalidateViews();
+                    } else if (id == done) {
+                        if (delegate != null) {
+                            ArrayList<String> files = new ArrayList<String>();
+                            files.addAll(selectedFiles.keySet());
+                            delegate.didSelectFiles(DocumentSelectActivity.this, files);
+                        }
                     }
                 }
             });
             ActionBarMenu menu = actionBar.createMenu();
-            ActionBarMenuItem item = menu.addItem(1, R.drawable.ic_ab_other);
+            final ActionBarMenuItem item = menu.addItem(1, R.drawable.ic_ab_other);
+
+            selectedFiles.clear();
+            actionModeViews.clear();
+
+            final ActionBarMenu actionMode = actionBar.createActionMode();
+            actionModeViews.add(actionMode.addItem(-2, R.drawable.ic_ab_back_grey, R.drawable.bar_selector_mode, null, AndroidUtilities.dp(54)));
+
+            selectedMessagesCountTextView = new TextView(actionMode.getContext());
+            selectedMessagesCountTextView.setTextSize(18);
+            selectedMessagesCountTextView.setTypeface(AndroidUtilities.getTypeface("fonts/rmedium.ttf"));
+            selectedMessagesCountTextView.setTextColor(0xff737373);
+            selectedMessagesCountTextView.setSingleLine(true);
+            selectedMessagesCountTextView.setLines(1);
+            selectedMessagesCountTextView.setEllipsize(TextUtils.TruncateAt.END);
+            selectedMessagesCountTextView.setPadding(AndroidUtilities.dp(11), 0, 0, AndroidUtilities.dp(2));
+            selectedMessagesCountTextView.setGravity(Gravity.CENTER_VERTICAL);
+            selectedMessagesCountTextView.setOnTouchListener(new View.OnTouchListener() {
+                @Override
+                public boolean onTouch(View v, MotionEvent event) {
+                    return true;
+                }
+            });
+            actionMode.addView(selectedMessagesCountTextView);
+            LinearLayout.LayoutParams layoutParams = (LinearLayout.LayoutParams)selectedMessagesCountTextView.getLayoutParams();
+            layoutParams.weight = 1;
+            layoutParams.width = 0;
+            layoutParams.height = LinearLayout.LayoutParams.MATCH_PARENT;
+            selectedMessagesCountTextView.setLayoutParams(layoutParams);
+
+            actionModeViews.add(actionMode.addItem(done, R.drawable.ic_ab_done_gray, R.drawable.bar_selector_mode, null, AndroidUtilities.dp(54)));
 
             fragmentView = inflater.inflate(R.layout.document_select_layout, container, false);
             listAdapter = new ListAdapter(getParentActivity());
@@ -162,9 +215,75 @@ public class DocumentSelectActivity extends BaseFragment {
             listView = (ListView)fragmentView.findViewById(R.id.listView);
             listView.setEmptyView(emptyView);
             listView.setAdapter(listAdapter);
+
+            listView.setOnScrollListener(new AbsListView.OnScrollListener() {
+                @Override
+                public void onScrollStateChanged(AbsListView view, int scrollState) {
+                    scrolling = scrollState != SCROLL_STATE_IDLE;
+                }
+
+                @Override
+                public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) {
+
+                }
+            });
+
+            listView.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {
+                @Override
+                public boolean onItemLongClick(AdapterView<?> parent, View view, int i, long id) {
+                    if (actionBar.isActionModeShowed() || i < 0 || i >= items.size()) {
+                        return false;
+                    }
+                    ListItem item = items.get(i);
+                    File file = item.file;
+                    if (file != null && !file.isDirectory()) {
+                        if (!file.canRead()) {
+                            showErrorBox(LocaleController.getString("AccessError", R.string.AccessError));
+                            return false;
+                        }
+                        if (sizeLimit != 0) {
+                            if (file.length() > sizeLimit) {
+                                showErrorBox(LocaleController.formatString("FileUploadLimit", R.string.FileUploadLimit, Utilities.formatFileSize(sizeLimit)));
+                                return false;
+                            }
+                        }
+                        if (file.length() == 0) {
+                            return false;
+                        }
+                        selectedFiles.put(file.toString(), item);
+                        selectedMessagesCountTextView.setText(String.format("%d", selectedFiles.size()));
+                        if (Build.VERSION.SDK_INT >= 11) {
+                            AnimatorSetProxy animatorSet = new AnimatorSetProxy();
+                            ArrayList<Object> animators = new ArrayList<Object>();
+                            for (int a = 0; a < actionModeViews.size(); a++) {
+                                View view2 = actionModeViews.get(a);
+                                AndroidUtilities.clearDrawableAnimation(view2);
+                                if (a < 1) {
+                                    animators.add(ObjectAnimatorProxy.ofFloat(view2, "translationX", -AndroidUtilities.dp(56), 0));
+                                } else {
+                                    animators.add(ObjectAnimatorProxy.ofFloat(view2, "scaleY", 0.1f, 1.0f));
+                                }
+                            }
+                            animatorSet.playTogether(animators);
+                            animatorSet.setDuration(250);
+                            animatorSet.start();
+                        }
+                        scrolling = false;
+                        if (view instanceof TextDetailDocumentsCell) {
+                            ((TextDetailDocumentsCell) view).setChecked(true, true);
+                        }
+                        actionBar.showActionMode();
+                    }
+                    return true;
+                }
+            });
+
             listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
                 @Override
                 public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {
+                    if (i < 0 || i >= items.size()) {
+                        return;
+                    }
                     ListItem item = items.get(i);
                     File file = item.file;
                     if (file == null) {
@@ -202,8 +321,27 @@ public class DocumentSelectActivity extends BaseFragment {
                         if (file.length() == 0) {
                             return;
                         }
+                        if (actionBar.isActionModeShowed()) {
+                            if (selectedFiles.containsKey(file.toString())) {
+                                selectedFiles.remove(file.toString());
+                            } else {
+                                selectedFiles.put(file.toString(), item);
+                            }
+                            if (selectedFiles.isEmpty()) {
+                                actionBar.hideActionMode();
+                            } else {
+                                selectedMessagesCountTextView.setText(String.format("%d", selectedFiles.size()));
+                            }
+                            scrolling = false;
+                            if (view instanceof TextDetailDocumentsCell) {
+                                ((TextDetailDocumentsCell) view).setChecked(selectedFiles.containsKey(item.file.toString()), true);
+                            }
+                        } else {
                             if (delegate != null) {
-                            delegate.didSelectFile(DocumentSelectActivity.this, file.getAbsolutePath());
+                                ArrayList<String> files = new ArrayList<String>();
+                                files.add(file.getAbsolutePath());
+                                delegate.didSelectFiles(DocumentSelectActivity.this, files);
+                            }
                         }
                     }
                 }
@@ -263,6 +401,7 @@ public class DocumentSelectActivity extends BaseFragment {
                         emptyView.setText(LocaleController.getString("NotMounted", R.string.NotMounted));
                     }
                     AndroidUtilities.clearDrawableAnimation(listView);
+                    scrolling = true;
                     listAdapter.notifyDataSetChanged();
                     return true;
                 }
@@ -331,6 +470,7 @@ public class DocumentSelectActivity extends BaseFragment {
         item.file = null;
         items.add(0, item);
         AndroidUtilities.clearDrawableAnimation(listView);
+        scrolling = true;
         listAdapter.notifyDataSetChanged();
         return true;
     }
@@ -421,6 +561,7 @@ public class DocumentSelectActivity extends BaseFragment {
         }
 
         AndroidUtilities.clearDrawableAnimation(listView);
+        scrolling = true;
         listAdapter.notifyDataSetChanged();
     }
 
@@ -477,6 +618,11 @@ public class DocumentSelectActivity extends BaseFragment {
                 String type = item.ext.toUpperCase().substring(0, Math.min(item.ext.length(), 4));
                 ((TextDetailDocumentsCell) convertView).setTextAndValueAndTypeAndThumb(item.title, item.subtitle, type, item.thumb, 0);
             }
+            if (item.file != null && actionBar.isActionModeShowed()) {
+                textDetailCell.setChecked(selectedFiles.containsKey(item.file.toString()), !scrolling);
+            } else {
+                textDetailCell.setChecked(false, !scrolling);
+            }
             return convertView;
         }
     }

TMessagesProj/src/main/java/org/telegram/ui/GroupCreateActivity.java

@@ -455,6 +455,9 @@ public class GroupCreateActivity extends BaseFragment implements NotificationCen
                     if (i == SCROLL_STATE_TOUCH_SCROLL) {
                         AndroidUtilities.hideKeyboard(userSelectEditText);
                     }
+                    if (listViewAdapter != null) {
+                        listViewAdapter.setIsScrolling(i != SCROLL_STATE_IDLE);
+                    }
                 }
 
                 @Override

TMessagesProj/src/main/java/org/telegram/ui/MessagesActivity.java

@@ -362,6 +362,10 @@ public class MessagesActivity extends BaseFragment implements NotificationCenter
                         }
                         if (message_id != 0) {
                             args.putInt("message_id", message_id);
+                        } else {
+                            if (actionBar != null) {
+                                actionBar.closeSearchField();
+                            }
                         }
                         if (AndroidUtilities.isTablet()) {
                             if (openedDialogId == dialog_id) {

TMessagesProj/src/main/java/org/telegram/ui/ProfileActivity.java

@@ -485,10 +485,10 @@ public class ProfileActivity extends BaseFragment implements NotificationCenter.
                                 } else if (i == 1) {
                                     if(Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.HONEYCOMB) {
                                         android.text.ClipboardManager clipboard = (android.text.ClipboardManager)ApplicationLoader.applicationContext.getSystemService(Context.CLIPBOARD_SERVICE);
-                                        clipboard.setText(user.phone);
+                                        clipboard.setText("+" + user.phone);
                                     } else {
                                         android.content.ClipboardManager clipboard = (android.content.ClipboardManager)ApplicationLoader.applicationContext.getSystemService(Context.CLIPBOARD_SERVICE);
-                                        android.content.ClipData clip = android.content.ClipData.newPlainText("label", user.phone);
+                                        android.content.ClipData clip = android.content.ClipData.newPlainText("label", "+" + user.phone);
                                         clipboard.setPrimaryClip(clip);
                                     }
                                 }

TMessagesProj/src/main/java/org/telegram/ui/Views/ChatActivityEnterView.java

@@ -148,6 +148,7 @@ public class ChatActivityEnterView implements NotificationCenter.NotificationCen
         ViewProxy.setScaleX(sendButton, 0.1f);
         ViewProxy.setScaleY(sendButton, 0.1f);
         ViewProxy.setAlpha(sendButton, 0.0f);
+        sendButton.clearAnimation();
         emojiButton = (ImageView) containerView.findViewById(R.id.chat_smile_button);
         audioSendButton = (ImageButton) containerView.findViewById(R.id.chat_audio_send_button);
         recordPanel = containerView.findViewById(R.id.record_panel);

TMessagesProj/src/main/java/org/telegram/ui/Views/CheckBox.java

@@ -58,13 +58,23 @@ public class CheckBox extends View {
             eraser2.setStrokeWidth(AndroidUtilities.dp(28));
             eraser2.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.CLEAR));
         }
+    }
+
+    @Override
+    public void setVisibility(int visibility) {
+        super.setVisibility(visibility);
+        if (visibility == VISIBLE && drawBitmap == null) {
             drawBitmap = Bitmap.createBitmap(AndroidUtilities.dp(22), AndroidUtilities.dp(22), Bitmap.Config.ARGB_4444);
             bitmapCanvas = new Canvas(drawBitmap);
             checkBitmap = Bitmap.createBitmap(AndroidUtilities.dp(22), AndroidUtilities.dp(22), Bitmap.Config.ARGB_4444);
             checkCanvas = new Canvas(checkBitmap);
         }
+    }
 
     public void setProgress(float value) {
+        if (progress == value) {
+            return;
+        }
         progress = value;
         invalidate();
     }
@@ -104,8 +114,10 @@ public class CheckBox extends View {
     }
 
     public void setChecked(boolean checked, boolean animated) {
+        if (checked == isChecked) {
+            return;
+        }
         isChecked = checked;
-        invalidate();
 
         if (attachedToWindow && animated) {
             animateToCheckedState(checked);
@@ -121,6 +133,9 @@ public class CheckBox extends View {
 
     @Override
     protected void onDraw(Canvas canvas) {
+        if (getVisibility() != VISIBLE) {
+            return;
+        }
         if (progress != 0) {
             drawBitmap.eraseColor(0);
             float rad = getMeasuredWidth() / 2;

TMessagesProj/src/main/java/org/telegram/ui/Views/Switch.java

@@ -23,6 +23,7 @@ import android.graphics.PorterDuffColorFilter;
 import android.graphics.Rect;
 import android.graphics.Region;
 import android.graphics.drawable.Drawable;
+import android.os.Build;
 import android.view.Gravity;
 import android.view.MotionEvent;
 import android.view.VelocityTracker;
@@ -532,7 +533,7 @@ public class Switch extends CompoundButton {
             mThumbDrawable.setBounds(thumbLeft, switchTop + offset, thumbRight, switchBottom + offset);
 
             final Drawable background = getBackground();
-            if (background != null) {
+            if (background != null && Build.VERSION.SDK_INT >= 21) {
                 background.setHotspotBounds(thumbLeft, switchTop, thumbRight, switchBottom);
             }
         }