In my ListView, there's one line of code in my ViewBinder that causes
lots of garbage collection as I scroll through the list, about every
two seconds...
D/dalvikvm(16312): GC freed 13171 objects / 659576 bytes in 162ms
D/dalvikvm(16312): GC freed 13122 objects / 654128 bytes in 129ms
D/dalvikvm(16312): GC freed 13134 objects / 655416 bytes in 142ms
D/dalvikvm(16312): GC freed 13129 objects / 654840 bytes in 129ms
D/dalvikvm(16312): GC freed 13149 objects / 655000 bytes in 110ms
D/dalvikvm(16312): GC freed 13150 objects / 655720 bytes in 127ms
D/dalvikvm(16312): GC freed 13075 objects / 652256 bytes in 111ms
D/dalvikvm(16312): GC freed 13232 objects / 659040 bytes in 136ms
D/dalvikvm(16312): GC freed 13106 objects / 653920 bytes in 110ms
D/dalvikvm(16312): GC freed 13155 objects / 655152 bytes in 110ms
The offending code is here, which formats a price for each item in the
list:
String price = cursor.getString(columnIndex);
final float pricef = Float.parseFloat(price);
price = new StringBuffer("$").append(String.format("%.
2f",pricef)).toString();
((TextView)view).setText(price);
If I comment out the line with String.format, the garbage collection
goes away. So what's the "right" way to do this to avoid allocations?
That database field holds an unformatted text string which I'm trying
to format into proper currency format (example: format "1.5" to
"$1.50")
Any pointers on how to improve this?
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