i dunno how this camera api works... but if u jus need to take a pic u can
use the in-built camera application...
On Mon, Jun 1, 2009 at 7:47 PM, jaimin <jaiminmeht...@gmail.com> wrote:
>
> hi i am new to android .
> i want to devlope for camera api
> but i have some problem in my code
> when i tried to capture image it gives me force close errors
>
>
> package indiaNIC.android.cameratest;
>
> import java.io.IOException;
>
> import android.app.Activity;
> import android.content.Intent;
> import android.graphics.PixelFormat;
> import android.hardware.Camera;
> import android.net.Uri;
> import android.os.Bundle;
> import android.util.Log;
> import android.view.KeyEvent;
> import android.view.MenuItem;
> import android.view.SurfaceHolder;
> import android.view.SurfaceView;
>
> public class cameratest extends Activity implements
> SurfaceHolder.Callback
> {
> private static final String TAG = "CameraApiTest";
> Camera mCamera;
> boolean mPreviewRunning = false;
>
> public void onCreate(Bundle icicle)
> {
> super.onCreate(icicle);
>
> Log.e(TAG, "onCreate");
>
> getWindow().setFormat(PixelFormat.TRANSLUCENT);
>
> setContentView(R.layout.main);
> mSurfaceView = (SurfaceView)findViewById(R.id.surface);
>
> mSurfaceHolder = mSurfaceView.getHolder();
> mSurfaceHolder.addCallback(this);
> mSurfaceHolder.setType
> (SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
> }
>
> public boolean onCreateOptionsMenu(android.view.Menu menu) {
> MenuItem item = menu.add(0, 0, 0, "goto gallery");
> item.setOnMenuItemClickListener(new
> MenuItem.OnMenuItemClickListener() {
> public boolean onMenuItemClick(MenuItem item) {
> Uri target = Uri.parse("content://media/external/
> images/media");
> Intent intent = new Intent(Intent.ACTION_VIEW,
> target);
> startActivity(intent);
> return true;
> }
> });
> return true;
> }
>
> @Override
> protected void onRestoreInstanceState(Bundle savedInstanceState)
> {
> super.onRestoreInstanceState(savedInstanceState);
> }
>
> Camera.PictureCallback mPictureCallback = new
> Camera.PictureCallback() {
> public void onPictureTaken(byte[] data, Camera c) {
> Log.e(TAG, "PICTURE CALLBACK: data.length = " +
> data.length);
> mCamera.startPreview();
> }
> };
>
> public boolean onKeyDown(int keyCode, KeyEvent event)
> {
> if (keyCode == KeyEvent.KEYCODE_BACK) {
> return super.onKeyDown(keyCode, event);
> }
>
> if (keyCode == KeyEvent.KEYCODE_SPACE) {
> mCamera.takePicture(null, mPictureCallback,
> mPictureCallback);
> return true;
> }
>
> return false;
> }
>
> protected void onResume()
> {
> Log.e(TAG, "onResume");
> super.onResume();
> }
>
> protected void onSaveInstanceState(Bundle outState)
> {
> super.onSaveInstanceState(outState);
> }
>
> protected void onStop()
> {
> Log.e(TAG, "onStop");
> super.onStop();
> }
>
> public void surfaceCreated(SurfaceHolder holder)
> {
> Log.e(TAG, "surfaceCreated");
> mCamera = Camera.open();
> //mCamera.startPreview();
> }
>
> public void surfaceChanged(SurfaceHolder holder, int format, int
> w, int h)
> {
> Log.e(TAG, "surfaceChanged");
>
> // XXX stopPreview() will crash if preview is not running
> if (mPreviewRunning) {
> mCamera.stopPreview();
> }
>
> Camera.Parameters p = mCamera.getParameters();
> p.setPreviewSize(w, h);
> mCamera.setParameters(p);
> try {
> mCamera.setPreviewDisplay(holder);
> }
> catch (IOException e)
> {
> // TODO Auto-generated catch block
> e.printStackTrace();
> }
> mCamera.startPreview();
> mPreviewRunning = true;
>
> }
>
> public void surfaceDestroyed(SurfaceHolder holder)
> {
> Log.e(TAG, "surfaceDestroyed");
> mCamera.stopPreview();
> mPreviewRunning = false;
> mCamera.release();
> }
>
> private SurfaceView mSurfaceView;
> private SurfaceHolder mSurfaceHolder;
> }
>
> package indiaNIC.android.cameratest;
>
> import java.io.OutputStream;
>
> import android.graphics.Camera;
> import android.hardware.Camera.PictureCallback;
> import android.util.Log;
>
> public class ImageCaptureCallback implements PictureCallback {
>
> private OutputStream filoutputStream;
> public ImageCaptureCallback(OutputStream filoutputStream) {
> this.filoutputStream = filoutputStream;
> }
>
> public void onPictureTaken(byte[] data, Camera camera) {
> try {
> Log.v(getClass().getSimpleName(), "onPictureTaken=" + data + "
> length = " + data.length);
> filoutputStream.write(data);
> filoutputStream.flush();
> filoutputStream.close();
> } catch(Exception ex) {
> ex.printStackTrace();
> }
> }
>
> @Override
> public void onPictureTaken(byte[] arg0, android.hardware.Camera
> arg1)
> {
> // TODO Auto-generated method stub
>
> }
> }
>
>
>
> this 2 java class is my code
> plz help me on this its urgent
>
> >
>
--
Regards,
Sujay
W. C. Fields <http://www.brainyquote.com/quotes/authors/w/w_c_fields.html>
- "I am free of all prejudices. I hate every one equally."
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