本文整理了Java中android.hardware.Camera.setOneShotPreviewCallback()方法的一些代码示例，展示了Camera.setOneShotPreviewCallback()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Camera.setOneShotPreviewCallback()方法的具体详情如下：
包路径：android.hardware.Camera
类名称：Camera
方法名：setOneShotPreviewCallback

Camera.setOneShotPreviewCallback介绍

暂无

代码示例

代码示例来源：origin: journeyapps/zxing-android-embedded

/**
 * A single preview frame will be returned to the supplied callback.
 *
 * The thread on which this called is undefined, so a Handler should be used to post the result
 * to the correct thread.
 *
 * @param callback The callback to receive the preview.
 */
public void requestPreviewFrame(PreviewCallback callback) {
  Camera theCamera = camera;
  if (theCamera != null && previewing) {
    cameraPreviewCallback.setCallback(callback);
    theCamera.setOneShotPreviewCallback(cameraPreviewCallback);
  }
}

代码示例来源：origin: JZ-Darkal/AndroidHttpCapture

/**
 * A single preview frame will be returned to the handler supplied. The data will arrive as byte[]
 * in the message.obj field, with width and height encoded as message.arg1 and message.arg2,
 * respectively.
 *
 * @param handler The handler to send the message to.
 * @param message The what field of the message to be sent.
 */
public synchronized void requestPreviewFrame(Handler handler, int message) {
  Camera theCamera = camera;
  if (theCamera != null && previewing) {
    previewCallback.setHandler(handler, message);
    theCamera.setOneShotPreviewCallback(previewCallback);
  }
}

代码示例来源：origin: rmtheis/android-ocr

/**
 * A single preview frame will be returned to the handler supplied. The data will arrive as byte[]
 * in the message.obj field, with width and height encoded as message.arg1 and message.arg2,
 * respectively.
 *
 * @param handler The handler to send the message to.
 * @param message The what field of the message to be sent.
 */
public synchronized void requestOcrDecode(Handler handler, int message) {
 Camera theCamera = camera;
 if (theCamera != null && previewing) {
  previewCallback.setHandler(handler, message);
  theCamera.setOneShotPreviewCallback(previewCallback);
 }
}

代码示例来源：origin: dm77/barcodescanner

public void stopCameraPreview() {
  if(mCameraWrapper != null) {
    try {
      mPreviewing = false;
      getHolder().removeCallback(this);
      mCameraWrapper.mCamera.cancelAutoFocus();
      mCameraWrapper.mCamera.setOneShotPreviewCallback(null);
      mCameraWrapper.mCamera.stopPreview();
    } catch(Exception e) {
      Log.e(TAG, e.toString(), e);
    }
  }
}

代码示例来源：origin: TommyLemon/APIJSON

/**
 * A single preview frame will be returned to the handler supplied. The data will arrive as byte[]
 * in the message.obj field, with width and height encoded as message.arg1 and message.arg2,
 * respectively.
 *
 * @param handler The handler to send the message to.
 * @param message The what field of the message to be sent.
 */
public void requestPreviewFrame(Handler handler, int message) {
  if (camera != null && previewing) {
    previewCallback.setHandler(handler, message);
    if (useOneShotPreviewCallback) {
      camera.setOneShotPreviewCallback(previewCallback);
    } else {
      camera.setPreviewCallback(previewCallback);
    }
  }
}

代码示例来源：origin: yipianfengye/android-zxingLibrary

/**
 * A single preview frame will be returned to the handler supplied. The data will arrive as byte[]
 * in the message.obj field, with width and height encoded as message.arg1 and message.arg2,
 * respectively.
 *
 * @param handler The handler to send the message to.
 * @param message The what field of the message to be sent.
 */
public void requestPreviewFrame(Handler handler, int message) {
  if (camera != null && previewing) {
    previewCallback.setHandler(handler, message);
    if (useOneShotPreviewCallback) {
      camera.setOneShotPreviewCallback(previewCallback);
    } else {
      camera.setPreviewCallback(previewCallback);
    }
  }
}

代码示例来源：origin: TommyLemon/Android-ZBLibrary

/**
 * A single preview frame will be returned to the handler supplied. The data will arrive as byte[]
 * in the message.obj field, with width and height encoded as message.arg1 and message.arg2,
 * respectively.
 *
 * @param handler The handler to send the message to.
 * @param message The what field of the message to be sent.
 */
public void requestPreviewFrame(Handler handler, int message) {
  if (camera != null && previewing) {
    previewCallback.setHandler(handler, message);
    if (useOneShotPreviewCallback) {
      camera.setOneShotPreviewCallback(previewCallback);
    } else {
      camera.setPreviewCallback(previewCallback);
    }
  }
}

代码示例来源：origin: dm77/barcodescanner

public void showCameraPreview() {
  if(mCameraWrapper != null) {
    try {
      getHolder().addCallback(this);
      mPreviewing = true;
      setupCameraParameters();
      mCameraWrapper.mCamera.setPreviewDisplay(getHolder());
      mCameraWrapper.mCamera.setDisplayOrientation(getDisplayOrientation());
      mCameraWrapper.mCamera.setOneShotPreviewCallback(mPreviewCallback);
      mCameraWrapper.mCamera.startPreview();
      if(mAutoFocus) {
        if (mSurfaceCreated) { // check if surface created before using autofocus
          safeAutoFocus();
        } else {
          scheduleAutoFocus(); // wait 1 sec and then do check again
        }
      }
    } catch (Exception e) {
      Log.e(TAG, e.toString(), e);
    }
  }
}

代码示例来源：origin: robolectric/robolectric

@Test
public void testSetOneShotPreviewCallbacks() throws Exception {
 TestPreviewCallback callback = new TestPreviewCallback();
 assertThat(callback.camera).isNull();
 assertThat(callback.data).isNull();
 camera.setOneShotPreviewCallback(callback);
 shadowCamera.invokePreviewCallback("foobar".getBytes(UTF_8));
 assertThat(callback.camera).isSameAs(camera);
 assertThat(callback.data).isEqualTo("foobar".getBytes(UTF_8));
}

代码示例来源：origin: robolectric/robolectric

@Test
public void testClearPreviewCallback() throws Exception {
 TestPreviewCallback callback = new TestPreviewCallback();
 assertThat(callback.camera).isNull();
 assertThat(callback.data).isNull();
 camera.setPreviewCallback(callback);
 camera.setPreviewCallback(null);
 shadowCamera.invokePreviewCallback("foobar".getBytes(UTF_8));
 assertThat(callback.camera).isNull();
 assertThat(callback.data).isNull();
 camera.setOneShotPreviewCallback(callback);
 camera.setOneShotPreviewCallback(null);
 shadowCamera.invokePreviewCallback("foobar".getBytes(UTF_8));
 assertThat(callback.camera).isNull();
 assertThat(callback.data).isNull();
 camera.setPreviewCallbackWithBuffer(callback);
 camera.setPreviewCallbackWithBuffer(null);
 shadowCamera.invokePreviewCallback("foobar".getBytes(UTF_8));
 assertThat(callback.camera).isNull();
 assertThat(callback.data).isNull();
}

代码示例来源：origin: Coinomi/coinomi-android

public void requestPreviewFrame(final PreviewCallback callback)
{
  camera.setOneShotPreviewCallback(callback);
}

代码示例来源：origin: openwalletGH/openwallet-android

public void requestPreviewFrame(final PreviewCallback callback)
{
  camera.setOneShotPreviewCallback(callback);
}

代码示例来源：origin: JustinRoom/JSCKit

@Override
  public void run() {
    if (mCamera != null && mSpotAble) {
      try {
        mCamera.setOneShotPreviewCallback(QRCodeView.this);
      } catch (Exception e) {
        e.printStackTrace();
      }
    }
  }
};

代码示例来源：origin: shuijilove/ZXingCodeDemo

@Override
  public void run() {
    if (mCamera != null && mSpotAble) {
      try {
        mCamera.setOneShotPreviewCallback(QRCodeView.this);
      } catch (Exception e) {
        e.printStackTrace();
      }
    }
  }
};

代码示例来源：origin: huangweicai/OkLibDemo

@Override
  public void run() {
    if (mCamera != null && mSpotAble) {
      try {
        mCamera.setOneShotPreviewCallback(QRCodeView.this);
      } catch (Exception e) {
        e.printStackTrace();
      }
    }
  }
};

代码示例来源：origin: simplezhli/Tesseract-OCR-Scanner

/**
 * A single preview frame will be returned to the handler supplied. The data will arrive as byte[] in the
 * message.obj field, with width and height encoded as message.arg1 and message.arg2, respectively.
 *
 * @param handler The handler to send the message to.
 * @param message The what field of the message to be sent.
 */
public void requestPreviewFrame(Handler handler, int message) {
  if (mCamera != null && mPreviewing) {
    mPreviewCallback.setHandler(handler, message);
    mCamera.setOneShotPreviewCallback(mPreviewCallback);
  }
}

代码示例来源：origin: iluhcm/QrCodeScanner

/**
 * A single preview frame will be returned to the handler supplied. The data will arrive as byte[] in the
 * message.obj field, with width and height encoded as message.arg1 and message.arg2, respectively.
 *
 * @param handler The handler to send the message to.
 * @param message The what field of the message to be sent.
 */
public void requestPreviewFrame(Handler handler, int message) {
  if (mCamera != null && mPreviewing) {
    mPreviewCallback.setHandler(handler, message);
    mCamera.setOneShotPreviewCallback(mPreviewCallback);
  }
}

代码示例来源：origin: Affectiva/android-sdk-samples

synchronized public void setOneShotPreviewCallback(Camera.PreviewCallback callback) {
  checkTaken();
  camera.setOneShotPreviewCallback(callback);
}

代码示例来源：origin: huangweicai/OkLibDemo

public void stopCameraPreview() {
  if (mCamera != null) {
    try {
      removeCallbacks(doAutoFocus);
      mPreviewing = false;
      mCamera.cancelAutoFocus();
      mCamera.setOneShotPreviewCallback(null);
      mCamera.stopPreview();
    } catch (Exception e) {
      Log.e(TAG, e.toString(), e);
    }
  }
}

代码示例来源：origin: JustinRoom/JSCKit

public void stopCameraPreview() {
  if (mCamera != null) {
    try {
      removeCallbacks(doAutoFocus);
      mPreviewing = false;
      mCamera.cancelAutoFocus();
      mCamera.setOneShotPreviewCallback(null);
      mCamera.stopPreview();
    } catch (Exception e) {
      Log.e(TAG, e.toString(), e);
    }
  }
}