ADD week 5

2025-03-31 16:33:42 +02:00
parent 86f265f22d
commit bf645048e6
4927 changed files with 544053 additions and 0 deletions
--- a/02-Easy5/E5/sources/androidx/tracing/Trace.java
+++ b/02-Easy5/E5/sources/androidx/tracing/Trace.java
@@ -0,0 +1,128 @@
+package androidx.tracing;
+
+import android.util.Log;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+
+/* loaded from: classes.dex */
+public final class Trace {
+    static final String TAG = "Trace";
+    private static Method sAsyncTraceBeginMethod;
+    private static Method sAsyncTraceEndMethod;
+    private static Method sIsTagEnabledMethod;
+    private static Method sTraceCounterMethod;
+    private static long sTraceTagApp;
+
+    public static boolean isEnabled() {
+        boolean isEnabled;
+        try {
+            if (sIsTagEnabledMethod == null) {
+                isEnabled = android.os.Trace.isEnabled();
+                return isEnabled;
+            }
+        } catch (NoClassDefFoundError | NoSuchMethodError unused) {
+        }
+        return isEnabledFallback();
+    }
+
+    public static void beginSection(String str) {
+        TraceApi18Impl.beginSection(str);
+    }
+
+    public static void endSection() {
+        TraceApi18Impl.endSection();
+    }
+
+    public static void beginAsyncSection(String str, int i) {
+        try {
+            if (sAsyncTraceBeginMethod == null) {
+                TraceApi29Impl.beginAsyncSection(str, i);
+                return;
+            }
+        } catch (NoClassDefFoundError | NoSuchMethodError unused) {
+        }
+        beginAsyncSectionFallback(str, i);
+    }
+
+    public static void endAsyncSection(String str, int i) {
+        try {
+            if (sAsyncTraceEndMethod == null) {
+                TraceApi29Impl.endAsyncSection(str, i);
+                return;
+            }
+        } catch (NoClassDefFoundError | NoSuchMethodError unused) {
+        }
+        endAsyncSectionFallback(str, i);
+    }
+
+    public static void setCounter(String str, int i) {
+        try {
+            if (sTraceCounterMethod == null) {
+                TraceApi29Impl.setCounter(str, i);
+                return;
+            }
+        } catch (NoClassDefFoundError | NoSuchMethodError unused) {
+        }
+        setCounterFallback(str, i);
+    }
+
+    private static boolean isEnabledFallback() {
+        try {
+            if (sIsTagEnabledMethod == null) {
+                sTraceTagApp = android.os.Trace.class.getField("TRACE_TAG_APP").getLong(null);
+                sIsTagEnabledMethod = android.os.Trace.class.getMethod("isTagEnabled", Long.TYPE);
+            }
+            return ((Boolean) sIsTagEnabledMethod.invoke(null, Long.valueOf(sTraceTagApp))).booleanValue();
+        } catch (Exception e) {
+            handleException("isTagEnabled", e);
+            return false;
+        }
+    }
+
+    private static void beginAsyncSectionFallback(String str, int i) {
+        try {
+            if (sAsyncTraceBeginMethod == null) {
+                sAsyncTraceBeginMethod = android.os.Trace.class.getMethod("asyncTraceBegin", Long.TYPE, String.class, Integer.TYPE);
+            }
+            sAsyncTraceBeginMethod.invoke(null, Long.valueOf(sTraceTagApp), str, Integer.valueOf(i));
+        } catch (Exception e) {
+            handleException("asyncTraceBegin", e);
+        }
+    }
+
+    private static void endAsyncSectionFallback(String str, int i) {
+        try {
+            if (sAsyncTraceEndMethod == null) {
+                sAsyncTraceEndMethod = android.os.Trace.class.getMethod("asyncTraceEnd", Long.TYPE, String.class, Integer.TYPE);
+            }
+            sAsyncTraceEndMethod.invoke(null, Long.valueOf(sTraceTagApp), str, Integer.valueOf(i));
+        } catch (Exception e) {
+            handleException("asyncTraceEnd", e);
+        }
+    }
+
+    private static void setCounterFallback(String str, int i) {
+        try {
+            if (sTraceCounterMethod == null) {
+                sTraceCounterMethod = android.os.Trace.class.getMethod("traceCounter", Long.TYPE, String.class, Integer.TYPE);
+            }
+            sTraceCounterMethod.invoke(null, Long.valueOf(sTraceTagApp), str, Integer.valueOf(i));
+        } catch (Exception e) {
+            handleException("traceCounter", e);
+        }
+    }
+
+    private static void handleException(String str, Exception exc) {
+        if (exc instanceof InvocationTargetException) {
+            Throwable cause = exc.getCause();
+            if (cause instanceof RuntimeException) {
+                throw ((RuntimeException) cause);
+            }
+            throw new RuntimeException(cause);
+        }
+        Log.v(TAG, "Unable to call " + str + " via reflection", exc);
+    }
+
+    private Trace() {
+    }
+}