[One (M7) Original Android Development] 9Lukas5:
Hmm, do you think here could be the right place to put the code in? That's the file

packages/apps/Camera2/src/com/android/camera/FatalErrorHandlerImpl.java

/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

package com.android.camera;

import android.app.Activity;

import com.android.camera.debug.Log;
import com.android.camera.stats.UsageStatistics;
import com.android.camera.util.CameraUtil;
import com.google.common.logging.eventprotos;

public final class FatalErrorHandlerImpl implements FatalErrorHandler {
private static final Log.Tag TAG = new Log.Tag("FatalErrorHandler");

private final Activity mActivity;

public FatalErrorHandlerImpl(Activity activity) {
mActivity = activity;
}

@Override
public void onMediaStorageFailure() {
Exception ex = new Exception();
// Log a stack trace to be sure we can track the source.
Log.e(TAG, "Handling Media Storage Failure:", ex);

// Log the error
UsageStatistics.instance().storageWarning(Storage.ACCESS_FAILURE);

Reason reason = Reason.MEDIA_STORAGE_FAILURE;
boolean finishActivity = reason.doesFinishActivity();
CameraUtil.showError(mActivity, reason.getDialogMsgId(), reason.getFeedbackMsgId(),
finishActivity, ex);
}

@Override
public void onCameraOpenFailure() {
Exception ex = new Exception();
// Log a stack trace to be sure we can track the source.
Log.e(TAG, "Handling Camera Open Failure:", ex);

UsageStatistics.instance().cameraFailure(
eventprotos.CameraFailure.FailureReason.OPEN_FAILURE, null,
UsageStatistics.NONE, UsageStatistics.NONE);

Reason reason = Reason.CANNOT_CONNECT_TO_CAMERA;
boolean finishActivity = reason.doesFinishActivity();
CameraUtil.showError(mActivity, reason.getDialogMsgId(), reason.getFeedbackMsgId(),
finishActivity, ex);
}

@Override
public void onCameraReconnectFailure() {
Exception ex = new Exception();
// Log a stack trace to be sure we can track the source.
Log.e(TAG, "Handling Camera Reconnect Failure:", ex);

UsageStatistics.instance().cameraFailure(
eventprotos.CameraFailure.FailureReason.RECONNECT_FAILURE, null,
UsageStatistics.NONE, UsageStatistics.NONE);

Reason reason = Reason.CANNOT_CONNECT_TO_CAMERA;
boolean finishActivity = reason.doesFinishActivity();
CameraUtil.showError(mActivity, reason.getDialogMsgId(), reason.getFeedbackMsgId(),
finishActivity, ex);
}

@Override
public void onGenericCameraAccessFailure() {
Exception ex = new Exception();
// Log a stack trace to be sure we can track the source.
Log.e(TAG, "Handling Camera Access Failure:", ex);

UsageStatistics.instance().cameraFailure(
eventprotos.CameraFailure.FailureReason.UNKNOWN_REASON, null,
UsageStatistics.NONE, UsageStatistics.NONE);

Reason reason = Reason.CANNOT_CONNECT_TO_CAMERA;
boolean finishActivity = reason.doesFinishActivity();
CameraUtil.showError(mActivity, reason.getDialogMsgId(), reason.getFeedbackMsgId(),
finishActivity, ex);
}

@Override
public void onCameraDisabledFailure() {
Exception ex = new Exception();
// Log a stack trace to be sure we can track the source.
Log.e(TAG, "Handling Camera Disabled Failure:", ex);

// Log the error
UsageStatistics.instance().cameraFailure(
eventprotos.CameraFailure.FailureReason.SECURITY, null,
UsageStatistics.NONE, UsageStatistics.NONE);

Reason reason = Reason.CAMERA_DISABLED_BY_SECURITY_POLICY;
boolean finishActivity = reason.doesFinishActivity();
CameraUtil.showError(mActivity, reason.getDialogMsgId(), reason.getFeedbackMsgId(),
finishActivity, ex);
}

@Override
public void handleFatalError(Reason reason) {
Exception ex = new Exception();
// Log a stack trace to be sure we can track the source.
Log.e(TAG, "Handling Fatal Error:", ex);

boolean finishActivity = reason.doesFinishActivity();
CameraUtil.showError(mActivity, reason.getDialogMsgId(), reason.getFeedbackMsgId(),
finishActivity, ex);
}
}