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Fix potential crash when sharing an image of the board

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DroidFish.shareImage() can theoretically be called before the chess
board widget measurement has been finished, which would crash the
app.
This commit is contained in:
Peter Osterlund 2019-07-20 08:06:21 +02:00
parent 4411b7f8b6
commit 0dd276ba22
1 changed files with 5 additions and 2 deletions

7
DroidFishApp/src/main/java/org/petero/droidfish/DroidFish.java

@ -2391,8 +2391,11 @@ public class DroidFish extends Activity
private void shareImage() { private void shareImage() {
View v = findViewById(R.id.chessboard); View v = findViewById(R.id.chessboard);
Bitmap b = Bitmap.createBitmap(v.getWidth(), v.getHeight(), int w = v.getWidth();
Bitmap.Config.ARGB_8888); int h = v.getHeight();
if (w <= 0 || h <= 0)
return;
Bitmap b = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);
Canvas c = new Canvas(b); Canvas c = new Canvas(b);
v.draw(c); v.draw(c);
File imgDir = new File(getFilesDir(), "shared"); File imgDir = new File(getFilesDir(), "shared");