From 06831bafc37c58ec4ccdbc3928f56a2f4211d3fd Mon Sep 17 00:00:00 2001
From: Torsten Grote <t@grobox.de>
Date: Mon, 24 Oct 2016 17:20:57 -0200
Subject: [PATCH] Disable EmojiTextView software layer rendering when cache is
too small
---
.../securesms/components/emoji/EmojiTextView.java | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/briar-android/src/org/thoughtcrime/securesms/components/emoji/EmojiTextView.java b/briar-android/src/org/thoughtcrime/securesms/components/emoji/EmojiTextView.java
index 83f2e8cc96..8cb9ecc09c 100644
--- a/briar-android/src/org/thoughtcrime/securesms/components/emoji/EmojiTextView.java
+++ b/briar-android/src/org/thoughtcrime/securesms/components/emoji/EmojiTextView.java
@@ -8,6 +8,7 @@ import android.support.annotation.Nullable;
import android.support.annotation.UiThread;
import android.text.TextUtils;
import android.util.AttributeSet;
+import android.view.ViewConfiguration;
import android.widget.TextView;
import org.thoughtcrime.securesms.components.emoji.EmojiProvider.EmojiDrawable;
@@ -78,6 +79,16 @@ public class EmojiTextView extends TextView {
@Override
protected void onLayout(boolean changed, int left, int top, int right,
int bottom) {
+ // disable software layer if cache size is too small for it
+ int drawingCacheSize = ViewConfiguration.get(getContext())
+ .getScaledMaximumDrawingCacheSize();
+ int width = right - left;
+ int height = bottom - top;
+ int size = width * height * 4;
+ if (size > drawingCacheSize) {
+ setLayerType(LAYER_TYPE_NONE, null);
+ }
+
if (changed) setTextEllipsized(source);
super.onLayout(changed, left, top, right, bottom);
}
--
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