Java Code Examples for android.hardware.Camera#AutoFocusCallback

The following examples show how to use android.hardware.Camera#AutoFocusCallback . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: CameraActivity.java    From cordova-plugin-camera-preview with MIT License 6 votes vote down vote up 
public void setFocusArea(final int pointX, final int pointY, final Camera.AutoFocusCallback callback) {
  if (mCamera != null) {
    mCamera.cancelAutoFocus();

    Camera.Parameters parameters = mCamera.getParameters();

    Rect focusRect = calculateTapArea(pointX, pointY, 1f);
    parameters.setFocusMode(Camera.Parameters.FOCUS_MODE_AUTO);
    parameters.setFocusAreas(Arrays.asList(new Camera.Area(focusRect, 1000)));

    if (parameters.getMaxNumMeteringAreas() > 0) {
      Rect meteringRect = calculateTapArea(pointX, pointY, 1.5f);
      parameters.setMeteringAreas(Arrays.asList(new Camera.Area(meteringRect, 1000)));
    }

    try {
      setCameraParameters(parameters);
      mCamera.autoFocus(callback);
    } catch (Exception e) {
      Log.d(TAG, e.getMessage());
      callback.onAutoFocus(false, this.mCamera);
    }
  }
}
Example 2
Source File: Camera1.java    From camerakit-android with MIT License 5 votes vote down vote up 
void setTapToAutofocusListener(Camera.AutoFocusCallback callback) {
    if (this.mFocus != FOCUS_TAP) {
        throw new IllegalArgumentException("Please set the camera to FOCUS_TAP.");
    }

    this.mAutofocusCallback = callback;
}
Example 3
Source File: CameraPreview.java    From RecordVideo with Apache License 2.0 5 votes vote down vote up 
public boolean manualFocus(Camera camera, Camera.AutoFocusCallback cb, List<Camera.Area> focusAreas
        ,List<Camera.Area> mFocusAreas) {
    //判断系统是否是4.0以上的版本
    if (camera != null && focusAreas != null && SystemVersionUtil.hasICS()) {
        try {
            camera.cancelAutoFocus();
            Camera.Parameters parameters = camera.getParameters();
            if(parameters != null){
                // getMaxNumFocusAreas检测设备是否支持
                if (parameters.getMaxNumFocusAreas() > 0) {
                    parameters.setFocusAreas(focusAreas);
                }
                // getMaxNumMeteringAreas检测设备是否支持
                if (parameters.getMaxNumMeteringAreas() > 0)
                    parameters.setMeteringAreas(mFocusAreas);
                parameters.setFocusMode(Camera.Parameters.FOCUS_MODE_MACRO);
                camera.setParameters(parameters);
                camera.autoFocus(cb);
                return true;
            }
        } catch (Exception e) {
            if (e != null)
                Log.e(" ", "autoFocus", e);
        }
    }
    return false;
}
Example 4
Source File: CameraStreamerActivity.java    From media-for-mobile with Apache License 2.0 5 votes vote down vote up 
private void startAutoFocus(Camera.AutoFocusCallback cb) {
    try {
        camera.autoFocus(cb);
    } catch (Exception e) {
        autoFocusSupported = false;

        String message = (e.getMessage() != null) ? e.getMessage() : e.toString();
        showMessageBox(message, null);
    }
}
Example 5
Source File: CameraCapturerActivity.java    From media-for-mobile with Apache License 2.0 5 votes vote down vote up 
private void startAutoFocus(Camera.AutoFocusCallback cb) {
    try {
        camera.autoFocus(cb);
    } catch (Exception e) {
        autoFocusSupported = false;

        String message = (e.getMessage() != null) ? e.getMessage() : e.toString();
        showMessageBox(message, null);
    }
}
Example 6
Source File: DefaultEasyCamera.java    From Expert-Android-Programming with MIT License 4 votes vote down vote up 
@Override
public void autoFocus(Camera.AutoFocusCallback cb) {
    camera.autoFocus(cb);
}
Example 7
Source File: CameraProxy.java    From LiveVideoBroadcaster with Apache License 2.0 4 votes vote down vote up 
public void autoFocus(Camera.AutoFocusCallback callback) {
    _handler.obtainMessage(AUTOFOCUS, callback).sendToTarget();
}
Example 8
Source File: CameraProxy.java    From retroboy with MIT License 4 votes vote down vote up 
public void autoFocus(Camera.AutoFocusCallback callback) {
	_handler.obtainMessage(AUTOFOCUS, callback).sendToTarget();
}
Example 9
Source File: DefaultEasyCamera.java    From EasyCamera with Apache License 2.0 4 votes vote down vote up 
@Override
public void autoFocus(Camera.AutoFocusCallback cb) {
    camera.autoFocus(cb);
}
Example 10
Source File: EasyCamera.java    From Expert-Android-Programming with MIT License 2 votes vote down vote up 
/**
* See <a href="http://developer.android.com/reference/android/hardware/Camera.html#autoFocus%28android.hardware.Camera.AutoFocusCallback%29">Camera.autoFocus(..)</a>
*/
  void autoFocus(Camera.AutoFocusCallback cb);
Example 11
Source File: EasyCamera.java    From EasyCamera with Apache License 2.0 2 votes vote down vote up 
/**
* See <a href="http://developer.android.com/reference/android/hardware/Camera.html#autoFocus%28android.hardware.Camera.AutoFocusCallback%29">Camera.autoFocus(..)</a>
*/
  void autoFocus(Camera.AutoFocusCallback cb);