Fix some crashes

app/src/main/java/app/fedilab/android/helper/SpannableHelper.java

@@ -139,10 +139,11 @@ public class SpannableHelper {
                                             apngDrawable.setBounds(0, 0, (int) convertDpToPixel(20, context), (int) convertDpToPixel(20, context));
                                             apngDrawable.setVisible(true, true);
                                             imageSpan = new ImageSpan(apngDrawable);
+                                            if (endPosition <= content.length()) {
                                                 content.setSpan(
                                                         imageSpan, startPosition,
                                                         endPosition, Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
-
+                                            }
                                         } catch (Exception ignored) {
                                         }
                                     } else if (GifParser.isGif(file.getAbsolutePath())) {
@@ -151,9 +152,11 @@ public class SpannableHelper {
                                             gifDrawable.setBounds(0, 0, (int) convertDpToPixel(20, context), (int) convertDpToPixel(20, context));
                                             gifDrawable.setVisible(true, true);
                                             imageSpan = new ImageSpan(gifDrawable);
+                                            if (endPosition <= content.length()) {
                                                 content.setSpan(
                                                         imageSpan, startPosition,
                                                         endPosition, Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
+                                            }
                                         } catch (Exception ignored) {
                                         }
                                     } else {
@@ -162,9 +165,11 @@ public class SpannableHelper {
                                             drawable.setBounds(0, 0, (int) convertDpToPixel(20, context), (int) convertDpToPixel(20, context));
                                             drawable.setVisible(true, true);
                                             imageSpan = new ImageSpan(drawable);
+                                            if (endPosition <= content.length()) {
                                                 content.setSpan(
                                                         imageSpan, startPosition,
                                                         endPosition, Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
+                                            }
                                         } catch (Exception ignored) {
                                         }
                                     }
@@ -682,9 +687,11 @@ public class SpannableHelper {
                                             drawable.setBounds(0, 0, (int) convertDpToPixel(20, context), (int) convertDpToPixel(20, context));
                                             drawable.setVisible(true, true);
                                             imageSpan = new ImageSpan(drawable);
+                                            if (endPosition <= content.length()) {
                                                 content.setSpan(
                                                         imageSpan, startPosition,
                                                         endPosition, Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
+                                            }
                                         } catch (Exception ignored) {
                                         }
                                     }

app/src/main/java/app/fedilab/android/ui/drawer/ComposeAdapter.java

@@ -656,10 +656,16 @@ public class ComposeAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder
                 int currentLength = MastodonHelper.countLength(holder);
                 //Copy/past
                 if (currentLength > instanceInfo.configuration.statusesConf.max_characters + 1) {
-                    holder.binding.content.setText(s.delete(instanceInfo.configuration.statusesConf.max_characters - holder.binding.contentSpoiler.getText().length(), (currentLength - holder.binding.contentSpoiler.getText().length())));
+                    int from = instanceInfo.configuration.statusesConf.max_characters - holder.binding.contentSpoiler.getText().length();
+                    int to = (currentLength - holder.binding.contentSpoiler.getText().length());
+                    if (to <= s.length()) {
+                        holder.binding.content.setText(s.delete(from, to));
+                    }
                 } else if (currentLength > instanceInfo.configuration.statusesConf.max_characters) {
+                    if (cPosition + 1 <= s.length()) {
                         holder.binding.content.setText(s.delete(cPosition, cPosition + 1));
                     }
+                }
                 statusList.get(holder.getAdapterPosition()).text = s.toString();
                 if (s.toString().trim().length() < 2) {
                     buttonVisibility(holder);