Example usage for android.hardware Camera setPreviewCallback

Introduction

In this page you can find the example usage for android.hardware Camera setPreviewCallback.

Prototype

public final void setPreviewCallback(PreviewCallback cb) 

Source Link

Document

Installs a callback to be invoked for every preview frame in addition to displaying them on the screen.

Usage

From source file:Main.java

/** Sets the given callback object on the given camera. Calls setPreviewCallbackWithBuffer if the Android API supports it,
 * otherwise calls setPreviewCallback./*  w  w  w  . java2s.  c  o  m*/
 */
public static boolean setPreviewCallbackWithBuffer(Camera camera, Camera.PreviewCallback callback) {
    if (setPreviewCallbackWithBufferMethod == null) {
        camera.setPreviewCallback(callback);
        return false;
    }
    try {
        setPreviewCallbackWithBufferMethod.invoke(camera, callback);
        return true;
    } catch (Exception ignored) {
        camera.setPreviewCallback(callback);
        return false;
    }
}

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From source file:com.nekomeshi312.whiteboardcorrection.WhiteBoardCorrectionActivity.java

private void takePic(Camera c) throws RuntimeException {
    if (mShutterStatus == SHUTTER_STATUS_TAKEPIC && mFocusStatus == FOCUS_STATUS_FOCUS_OK) {
        mShutterStatus = SHUTTER_STATUS_TAKEN;
        c.setPreviewCallback(null);
        c.takePicture(null, null, null, this);
    }//from  w w w.j  av a2 s .  com
}

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