Java Debug.dumpHprofData方法代碼示例

import android.os.Debug; //導入方法依賴的package包/類
public File dumpHeap() {
    if (!LeakCanaryInternals.isExternalStorageWritable()) {
        Log.d(TAG, "Could not dump heap, external storage not mounted.");
    }
    File heapDumpFile = getHeapDumpFile();
    if (heapDumpFile.exists()) {
        Log.d(TAG, "Could not dump heap, previous analysis still is in progress.");
        return NO_DUMP;
    }
    FutureResult<Toast> waitingForToast = new FutureResult();
    showToast(waitingForToast);
    if (waitingForToast.wait(5, TimeUnit.SECONDS)) {
        Toast toast = (Toast) waitingForToast.get();
        try {
            Debug.dumpHprofData(heapDumpFile.getAbsolutePath());
            cancelToast(toast);
            return heapDumpFile;
        } catch (IOException e) {
            cleanup();
            Log.e(TAG, "Could not perform heap dump", e);
            return NO_DUMP;
        }
    }
    Log.d(TAG, "Did not dump heap, too much time waiting for Toast.");
    return NO_DUMP;
}
 

import android.os.Debug; //導入方法依賴的package包/類
public static void dumpHeap(String filename) {
	try {
		Debug.dumpHprofData(filename);
	} catch (IOException e) {
		// TODO Auto-generated catch block
		e.printStackTrace();
	}
}
 

import android.os.Debug; //導入方法依賴的package包/類
@Override
public File dumpHeap() {
   if (!isExternalStorageWritable()) {
     Log.d(TAG, "Could not dump heap, external storage not mounted.");
   }
   File heapDumpFile = getHeapDumpFile();
   if (heapDumpFile.exists()) {
     Log.d(TAG, "Could not dump heap, previous analysis still is in progress.");
     // Heap analysis in progress, let's not put too much pressure on the device.
     return null;
   }
   try {
     Debug.dumpHprofData(heapDumpFile.getAbsolutePath());
     return heapDumpFile;
   } catch (IOException e) {
     cleanup();
     Log.e(TAG, "Could not perform heap dump", e);
     // Abort heap dump
     return null;
   }
 }
 

import android.os.Debug; //導入方法依賴的package包/類
private void writeHprof(File outputPath) throws DumpException {
  try {
    // Test that we can write here.  dumpHprofData appears to hang if it cannot write
    // to the target location on ART.
    truncateAndDeleteFile(outputPath);
    Debug.dumpHprofData(outputPath.getAbsolutePath());
  } catch (IOException e) {
    throw new DumpException("Failure writing to " + outputPath + ": " + e.getMessage());
  }
}
 

import android.os.Debug; //導入方法依賴的package包/類
public static void dumpHeap(String filename) {
    try {
        Debug.dumpHprofData(filename);
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
}
 

import android.os.Debug; //導入方法依賴的package包/類
@SuppressWarnings("ReferenceEquality") // Explicitly checking for named null.
@Override public File dumpHeap() {
  File heapDumpFile = leakDirectoryProvider.newHeapDumpFile();

  if (heapDumpFile == RETRY_LATER) {
    return RETRY_LATER;
  }

  FutureResult<Toast> waitingForToast = new FutureResult<>();
  showToast(waitingForToast);

  if (!waitingForToast.wait(5, SECONDS)) {
    CanaryLog.d("Did not dump heap, too much time waiting for Toast.");
    return RETRY_LATER;
  }

  Toast toast = waitingForToast.get();
  try {
    Debug.dumpHprofData(heapDumpFile.getAbsolutePath());
    cancelToast(toast);
    return heapDumpFile;
  } catch (Exception e) {
    CanaryLog.d(e, "Could not dump heap");
    // Abort heap dump
    return RETRY_LATER;
  }
}
 

import android.os.Debug; //導入方法依賴的package包/類
@Override
public void uncaughtException(Thread thread, Throwable ex) {
	try {
		File dir = ctx.getExternalCacheDir();
		if (dir == null || !dir.canWrite())
			dir = ctx.getCacheDir();
		String fileName = generateCrashName(ex.getMessage());
		File log = new File(dir, fileName + ".log");
		log.setReadable(true, false);

		PrintWriter writer = new PrintWriter(log);
		printAppInfo(writer);

		writer.println();
		writer.println("Exception for crash --------");
		writer.println("Exception in thread- " + thread.getName() + "-" + thread.getId());
		ex.printStackTrace(writer);

		printDeviceInformation(ctx, writer);
		printThreadStack(writer);
		printLogcat(writer);
		writer.close();

		File hdump = null;
		if (ex instanceof OutOfMemoryError) {
			hdump = new File(dir, fileName + ".hprof");
			hdump.setReadable(true, false);
			try {
				Debug.dumpHprofData(hdump.getAbsolutePath());
			} catch (IOException e1) {
				// TODO Auto-generated catch block
				e1.printStackTrace();
				hdump = null;
			}
		}
		sendCrashReport(ctx, "Crash report for " + appName, log, hdump);
	} catch (Throwable e) {
		// TODO Auto-generated catch block
		e.printStackTrace();
	}
	// hand over to the default handler
	if (defaultHandler != null)
		defaultHandler.uncaughtException(thread, ex);
}