block Until Open Camera - Android android.hardware

Android examples for android.hardware:Open Camera

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Description

block Until Open Camera

Demo Code

import android.hardware.camera2.CameraDevice;
import android.hardware.camera2.CameraManager;
import android.os.Handler;
import android.util.Log;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;

public class Main{

    /**/*from www .  j  a v a 2s.  co  m*/
     * @return true if success to open camera, false otherwise.
     */
    public static boolean blockUntilOpenCamera(CameraManager cameraManager,
            Handler handler) {
        try {
            String[] cameraIdList = cameraManager.getCameraIdList();
            if (cameraIdList == null || cameraIdList.length == 0) {
                return false;
            }
            String cameraId = cameraIdList[0];
            CameraCallback callback = new CameraCallback();
            cameraManager.openCamera(cameraId, callback, handler);
            return callback.waitForResult();
        } catch (Exception ex) {
            // No matter what is going wrong, it means fail to open camera.
            ex.printStackTrace();
            return false;
        }
    }

}

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