Binary data works upto about 100KByte. Anything larger, you very
likely get that error.
For images in RGB_565, this is about 277 x 184 pixels max (277 x 184 *
2 = 101936)
On Feb 16, 4:17 am, Bart <bvandep...@gmail.com> wrote:
> Hi, I have a problem with an app that lets the user take a picture.
> I've posted it on some forums already, but nobody seems to recognize
> the problem. Hopefully someone here knows a solution :)
>
> I've put the code of taking a picture in a seperate activity. Then I
> call the camera intent from my main activity using activityForResult.
> In the camera intent, I use putExtra to return the camera image (as a
> byte[] without doing anything to it). But when the program transitions
> back from the camera intent to the parent intent that called it I get
> a Failed Binder Transaction error in the logcat because the byte[] is
> too big. But I don't understand this, because the image is not even
> taken using the maximum resolution :S
>
> The code of my camera intent is:
>
> package example.imaging.ape;
>
> import java.io.IOException;
> import java.util.Iterator;
> import java.util.Set;
>
> import android.app.Activity;
> import android.content.Intent;
> import android.graphics.Bitmap;
> import android.graphics.BitmapFactory;
> import android.graphics.PixelFormat;
> import android.hardware.Camera;
> import android.hardware.Camera.AutoFocusCallback;
> import android.os.Bundle;
> import android.util.Log;
> import android.view.MotionEvent;
> import android.view.SurfaceHolder;
> import android.view.SurfaceView;
> import android.view.View;
> import android.view.Window;
> import android.view.WindowManager;
> import android.view.View.OnTouchListener;
>
> public class TakePicture extends Activity implements
> SurfaceHolder.Callback{
> Camera mCamera;
> Boolean mPreviewRunning = false;
> int imageLayoutHeight;
> int imageLayoutWidth;
>
> �...@override
> public void onCreate(Bundle savedInstanceState) {
> super.onCreate(savedInstanceState);
>
> //setup camera surface
> getWindow().setFormat(PixelFormat.TRANSLUCENT);
> requestWindowFeature(Window.FEATURE_NO_TITLE);
>
> getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
> WindowManager.LayoutParams.FLAG_FULLSCREEN);
> setContentView(R.layout.cameralayout);
>
> SurfaceView mSurfaceView = (SurfaceView)
> findViewById(R.id.hist_surface_camera);
> SurfaceHolder mSurfaceHolder = mSurfaceView.getHolder();
> mSurfaceHolder.addCallback(this);
>
> mSurfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
> Bundle extras = getIntent().getExtras();
> imageLayoutHeight = extras.getInt("layoutHeight");
> imageLayoutWidth = extras.getInt("layoutWidth");
>
> OnTouchListener touchListener = new View.OnTouchListener() {
> public boolean onTouch(View v, MotionEvent e) {
>
> System.out.println("MAKING PICTURE");
> mCamera.autoFocus(cb);
> return false;
> }
> };
>
> //setup touch listener
> mSurfaceView.setOnTouchListener(touchListener);
>
> }
>
> AutoFocusCallback cb = new AutoFocusCallback() {
> public void onAutoFocus(boolean success, Camera c) {
> c.takePicture(null, null, mPictureCallback);
> }
> };
>
> Camera.PictureCallback mPictureCallback = new
> Camera.PictureCallback() {
> public void onPictureTaken(byte[] imageData, Camera c) {
> System.out.println("Picture taken, now
> returning");
> Intent resultIntent = new Intent();
> resultIntent.putExtra("cameraImage", imageData);
> System.out.println("put Extra");
> setResult(Activity.RESULT_OK, resultIntent);
> finish();
> }
> };
>
> //initialize camera
> public void surfaceCreated(SurfaceHolder holder) {
> mCamera = Camera.open();
> }
>
> public void surfaceChanged(SurfaceHolder holder, int format, int
> w, int h) {
> if (mPreviewRunning) {
> mCamera.stopPreview();
> }
>
> Camera.Parameters p = mCamera.getParameters();
>
> p.setPreviewSize(h, w);
> System.out.println("PreviewSize: " + h + "," + w);
> p.setPictureSize(h*3,w*3); // is around 1200x900
> p.set("rotation", 90);
> mCamera.setParameters(p);
>
> try {
> mCamera.setPreviewDisplay(holder);
> } catch (IOException e) {
> e.printStackTrace();
> }
>
> mCamera.startPreview();
> mPreviewRunning = true;
> }
>
> public void surfaceDestroyed(SurfaceHolder holder) {
> mCamera.stopPreview();
> mPreviewRunning = false;
> mCamera.release();
> }
>
> }
>
> And this is how I call the camera activity:
>
> Intent intent = new Intent(mainActivity.this, TakePicture.class);
> intent.putExtra("layoutWidth",layoutWidth);
> intent.putExtra("layoutHeight",layoutHeight);
> startActivityForResult(intent,0);
>
> The onActivityResult is never reached because the error occurs during
> the transition between intents.
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