如何解决活动销毁时,AnyChartView发生内存泄漏
我正在使用LeakCanary来检测内存泄漏,但我是新手。当我的活动遭到破坏时,它给了我泄漏的报告。我对anychart库也不熟悉。我该如何解决这个问题?下面是我的活动代码和leacanary的stacktrace。另外,如果可以的话,请您向我详细说明如何读取泄漏cancanary的堆栈跟踪。
public class AnalyticsActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_analytics);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
getWindow().setStatusBarColor(Color.WHITE);
}
AnyChartView anyChartView = findViewById(R.id.any_chart_view);
anyChartView.setProgressBar(findViewById(R.id.progress_bar));
Cartesian cartesian = AnyChart.column();
List<DataEntry> data = new ArrayList<>();
data.add(new ValueDataEntry("Rouge",80540));
data.add(new ValueDataEntry("Foundation",94190));
data.add(new ValueDataEntry("Mascara",102610));
data.add(new ValueDataEntry("Lip gloss",110430));
data.add(new ValueDataEntry("Lipstick",128000));
data.add(new ValueDataEntry("Nail polish",143760));
data.add(new ValueDataEntry("Eyebrow pencil",170670));
data.add(new ValueDataEntry("Eyeliner",213210));
data.add(new ValueDataEntry("Eyeshadows",249980));
Column column = cartesian.column(data);
column.tooltip()
.titleFormat("{%X}")
.position(Position.CENTER_BOTTOM)
.anchor(Anchor.CENTER_BOTTOM)
.offsetX(0d)
.offsetY(5d)
.format("${%Value}{groupsSeparator: }");
cartesian.animation(true);
cartesian.title("Top 10 Cosmetic Products by Revenue");
cartesian.yScale().minimum(0d);
cartesian.yAxis(0).labels().format("${%Value}{groupsSeparator: }");
cartesian.tooltip().positionMode(TooltipPositionMode.POINT);
cartesian.interactivity().hoverMode(HoverMode.BY_X);
cartesian.xAxis(0).title("Product");
cartesian.yAxis(0).title("Revenue");
anyChartView.setChart(cartesian);
}
}
┬───
│ GC Root: System class
│
├─ com.anychart.APIlib class
│ Leaking: NO (a class is never leaking)
│ ↓ static APIlib.instance
│ ~~~~~~~~
├─ com.anychart.APIlib instance
│ Leaking: UNKNOWN
│ ↓ APIlib.anyChartView
│ ~~~~~~~~~~~~
├─ com.anychart.AnyChartView instance
│ Leaking: YES (View.mContext references a destroyed activity)
│ mContext instance of com.dreamakers.clustore.clustorestore.Activity.AnalyticsActivity with mDestroyed = true
│ View#mParent is set
│ View#mAttachInfo is null (view detached)
│ View.mID = R.id.any_chart_view
│ View.mWindowAttachCount = 1
│ ↓ AnyChartView.mContext
╰→ com.dreamakers.clustore.clustorestore.Activity.AnalyticsActivity instance
Leaking: YES (ObjectWatcher was watching this because com.dreamakers.clustore.clustorestore.Activity.AnalyticsActivity received Activity#onDestroy() callback and Activity#mDestroyed is true)
key = 7ac56641-d049-41a3-8cb8-0a2cae7cc320
watchDurationMillis = 8099
retainedDurationMillis = 3098
解决方法
AnyChart-Android库存在内存泄漏。我在这里提出了一个问题:https://github.com/AnyChart/AnyChart-Android/issues/190
在此问题解决之前,您可以通过以下方式解决它:
public void onDestroy() {
super.onDestroy();
APIlib.setActiveAnyChartView(null);
}
,
我认为最简单的方法是将AnyChartView分配给全局变量,然后在活动的onDestroy()
方法中为其分配null:
public void onDestroy() {
anyChartView = null;
super.onDestroy()
}
这里的情况是AnyChartView持有对Activity的上下文的引用,这就是为什么由于库存储此引用的方式而无法轻易地垃圾回收Activity的原因。
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