Android Open Source - esr-scanner Gingerbread Open Camera Interface






From Project

Back to project page esr-scanner.

License

The source code is released under:

Apache License

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Java Source Code

/*
 * Copyright (C) 2012 ZXing authors/*from ww w. j a  va2 s  .c om*/
 *
 * 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 ch.luklanis.esscan.camera.open;

import android.annotation.TargetApi;
import android.hardware.Camera;
import android.util.Log;

/**
 * Implementation for Android API 9 (Gingerbread) and later. This opens up the possibility of accessing
 * front cameras, and rotated cameras.
 */
@TargetApi(9)
public final class GingerbreadOpenCameraInterface implements OpenCameraInterface {

    private static final String TAG = "GingerbreadOpenCamera";

    /**
     * Opens a rear-facing camera with {@link Camera#open(int)}, if one exists, or opens camera 0.
     */
    @Override
    public Camera open() {

        int numCameras = Camera.getNumberOfCameras();
        if (numCameras == 0) {
            Log.w(TAG, "No cameras!");
            return null;
        }

        int index = 0;
        while (index < numCameras) {
            Camera.CameraInfo cameraInfo = new Camera.CameraInfo();
            Camera.getCameraInfo(index, cameraInfo);
            if (cameraInfo.facing == Camera.CameraInfo.CAMERA_FACING_BACK) {
                break;
            }
            index++;
        }

        Camera camera;
        if (index < numCameras) {
            Log.i(TAG, "Opening camera #" + index);
            camera = Camera.open(index);
        } else {
            Log.i(TAG, "No camera facing back; returning camera #0");
            camera = Camera.open(0);
        }

        return camera;
    }

}




Java Source Code List

ch.luklanis.android.common.PlatformSupportManager.java
ch.luklanis.android.common.executor.AsyncTaskExecInterface.java
ch.luklanis.android.common.executor.AsyncTaskExecManager.java
ch.luklanis.android.common.executor.DefaultAsyncTaskExecInterface.java
ch.luklanis.android.common.executor.HoneycombAsyncTaskExecInterface.java
ch.luklanis.esscan.BeepManager.java
ch.luklanis.esscan.CaptureActivityHandler.java
ch.luklanis.esscan.CaptureActivity.java
ch.luklanis.esscan.DecodeHandler.java
ch.luklanis.esscan.DecodeThread.java
ch.luklanis.esscan.EsrBaseActivity.java
ch.luklanis.esscan.FinishListener.java
ch.luklanis.esscan.HelpActivity.java
ch.luklanis.esscan.IBase.java
ch.luklanis.esscan.Intents.java
ch.luklanis.esscan.LuminanceSource.java
ch.luklanis.esscan.OcrCharacterHelper.java
ch.luklanis.esscan.OcrInitAsyncTask.java
ch.luklanis.esscan.OcrRecognizeAsyncTask.java
ch.luklanis.esscan.OcrResultFailure.java
ch.luklanis.esscan.OcrResultText.java
ch.luklanis.esscan.OcrResult.java
ch.luklanis.esscan.PlanarYUVLuminanceSource.java
ch.luklanis.esscan.PreferencesActivity.java
ch.luklanis.esscan.ViewfinderView.java
ch.luklanis.esscan.camera.AutoFocusManager.java
ch.luklanis.esscan.camera.CameraConfigurationManager.java
ch.luklanis.esscan.camera.CameraManager.java
ch.luklanis.esscan.camera.PreviewCallback.java
ch.luklanis.esscan.camera.exposure.DefaultExposureInterface.java
ch.luklanis.esscan.camera.exposure.ExposureInterface.java
ch.luklanis.esscan.camera.exposure.ExposureManager.java
ch.luklanis.esscan.camera.exposure.FroyoExposureInterface.java
ch.luklanis.esscan.camera.open.DefaultOpenCameraInterface.java
ch.luklanis.esscan.camera.open.GingerbreadOpenCameraInterface.java
ch.luklanis.esscan.camera.open.OpenCameraInterface.java
ch.luklanis.esscan.camera.open.OpenCameraManager.java
ch.luklanis.esscan.codesend.Crypto.java
ch.luklanis.esscan.codesend.ESRSenderHttp.java
ch.luklanis.esscan.codesend.IEsrSender.java
ch.luklanis.esscan.dialogs.BankProfileDialogFragment.java
ch.luklanis.esscan.dialogs.BankProfileListDialog.java
ch.luklanis.esscan.dialogs.CancelOkDialog.java
ch.luklanis.esscan.dialogs.OkDialog.java
ch.luklanis.esscan.dialogs.OptionalOkDialog.java
ch.luklanis.esscan.history.BankProfile.java
ch.luklanis.esscan.history.DBHelper.java
ch.luklanis.esscan.history.GetHistoryAsyncTask.java
ch.luklanis.esscan.history.HistoryActivity.java
ch.luklanis.esscan.history.HistoryExportUpdateAsyncTask.java
ch.luklanis.esscan.history.HistoryFragment.java
ch.luklanis.esscan.history.HistoryItemAdapter.java
ch.luklanis.esscan.history.HistoryItem.java
ch.luklanis.esscan.history.HistoryManager.java
ch.luklanis.esscan.history.PsDetailActivity.java
ch.luklanis.esscan.history.PsDetailFragment.java
ch.luklanis.esscan.ime.ScannerIME.java
ch.luklanis.esscan.paymentslip.DTAFileCreator.java
ch.luklanis.esscan.paymentslip.EsIbanResult.java
ch.luklanis.esscan.paymentslip.EsIbanValidation.java
ch.luklanis.esscan.paymentslip.EsrResult.java
ch.luklanis.esscan.paymentslip.EsrValidation.java
ch.luklanis.esscan.paymentslip.PsResult.java
ch.luklanis.esscan.paymentslip.PsValidation.java