hey this is my ImageCapture.java......hope u get idea.....
package com.privacygram.activity;
import android.content.Context;
import android.graphics.PixelFormat;
import android.hardware.Camera;
import android.hardware.Camera.Parameters;
import android.hardware.Camera.PictureCallback;
import android.hardware.Camera.ShutterCallback;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
public class ImageCapture extends SurfaceView{
SurfaceHolder previewHolder;
Camera camera;
protected PictureCallback raw;
protected ShutterCallback shutter;
protected PictureCallback postview;
protected PictureCallback jpeg;
public ImageCapture(Context context) {
super(context);
// TODO Auto-generated constructor stub
previewHolder = this.getHolder();
previewHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
previewHolder.addCallback(surfaceHolderListener);
}
SurfaceHolder.Callback surfaceHolderListener = new
SurfaceHolder.Callback()
{
public void surfaceCreated(SurfaceHolder holder)
{
camera=Camera.open();
try {
camera.setPreviewDisplay(previewHolder);
}catch (Exception E ){ }
}
public void surfaceDestroyed(SurfaceHolder arg0)
{
camera.stopPreview();
camera.release();
}
public void surfaceChanged(SurfaceHolder holder, int
format,
int width, int height)
{
Parameters params = camera.getParameters();
params.setPreviewSize(width, height);
params.setPictureFormat(PixelFormat.JPEG);
camera.setParameters(params);
camera.startPreview();
camera.takePicture(shutter, raw, postview, jpeg);
camera.stopPreview();
camera.release();
}
};
}
On Nov 28, 6:23 pm, Mark Murphy <mmur...@commonsware.com> wrote:
> InstantiationException can mean that the activity class is not public
> or lacks a public constructor with the appropriate signature.
>
> On Mon, Nov 28, 2011 at 8:07 AM, Raghav Sood
>
>
>
>
>
>
>
>
>
> <raghavs...@androidactivist.org> wrote:
> > There is a problem in your instantiating your ImageCapture class. Post the
> > first 30 lines or so, and you may get some help.
> > Thanks
>
> > On Mon, Nov 28, 2011 at 6:13 PM, rachana govilkar
> > <rachana.govil...@gmail.com> wrote:
>
> >> when i test on emulator it gives me error as Your application has
> >> stopped unexpectedly.
> >> n LogCat is:-
>
> >> 11-28 18:10:06.265: E/AndroidRuntime(313): FATAL EXCEPTION: main
> >> 11-28 18:10:06.265: E/AndroidRuntime(313): java.lang.RuntimeException:
> >> Unable to instantiate activity ComponentInfo{com.privacygram.activity/
> >> com.privacygram.activity.ImageCapture}:
> >> java.lang.InstantiationException:
> >> com.privacygram.activity.ImageCapture
> >> 11-28 18:10:06.265: E/AndroidRuntime(313): at
> >> android.app.ActivityThread.performLaunchActivity(ActivityThread.java:
> >> 2585)
> >> 11-28 18:10:06.265: E/AndroidRuntime(313): at
> >> android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:
> >> 2679)
> >> 11-28 18:10:06.265: E/AndroidRuntime(313): at
> >> android.app.ActivityThread.access$2300(ActivityThread.java:125)
> >> 11-28 18:10:06.265: E/AndroidRuntime(313): at
> >> android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033)
> >> 11-28 18:10:06.265: E/AndroidRuntime(313): at
> >> android.os.Handler.dispatchMessage(Handler.java:99)
> >> 11-28 18:10:06.265: E/AndroidRuntime(313): at
> >> android.os.Looper.loop(Looper.java:123)
> >> 11-28 18:10:06.265: E/AndroidRuntime(313): at
> >> android.app.ActivityThread.main(ActivityThread.java:4627)
> >> 11-28 18:10:06.265: E/AndroidRuntime(313): at
> >> java.lang.reflect.Method.invokeNative(Native Method)
> >> 11-28 18:10:06.265: E/AndroidRuntime(313): at
> >> java.lang.reflect.Method.invoke(Method.java:521)
> >> 11-28 18:10:06.265: E/AndroidRuntime(313): at
> >> com.android.internal.os.ZygoteInit
> >> $MethodAndArgsCaller.run(ZygoteInit.java:868)
> >> 11-28 18:10:06.265: E/AndroidRuntime(313): at
> >> com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
> >> 11-28 18:10:06.265: E/AndroidRuntime(313): at
> >> dalvik.system.NativeStart.main(Native Method)
> >> 11-28 18:10:06.265: E/AndroidRuntime(313): Caused by:
> >> java.lang.InstantiationException:
> >> com.privacygram.activity.ImageCapture
> >> 11-28 18:10:06.265: E/AndroidRuntime(313): at
> >> java.lang.Class.newInstanceImpl(Native Method)
> >> 11-28 18:10:06.265: E/AndroidRuntime(313): at
> >> java.lang.Class.newInstance(Class.java:1429)
> >> 11-28 18:10:06.265: E/AndroidRuntime(313): at
> >> android.app.Instrumentation.newActivity(Instrumentation.java:1021)
> >> 11-28 18:10:06.265: E/AndroidRuntime(313): at
> >> android.app.ActivityThread.performLaunchActivity(ActivityThread.java:
> >> 2577)
> >> 11-28 18:10:06.265: E/AndroidRuntime(313): ... 11 more
>
> >> On Nov 28, 4:45 pm, Raghav Sood <raghavs...@androidactivist.org>
> >> wrote:
> >> > Try installing it via ADB and post the LogCat.
>
> >> > Thanks
>
> >> > On Mon, Nov 28, 2011 at 5:12 PM, rachana govilkar <
>
> >> > rachana.govil...@gmail.com> wrote:
> >> > > helo....
> >> > > i developd a small application n started testing on LG 2.2 android
> >> > > device.....
> >> > > but i am getting this error "there is problem parsing the package"
> >> > > when installing .apk file.....
> >> > > i searched this group but i dint get any satisfactory answer.....
>
> >> > > <uses-sdk android:minSdkVersion="8" />
> >> > > i hope this is not causing error....as 2.2 device has same API
> >> > > level...
> >> > > please reply soon....
> >> > > thnk u in advance
>
> >> > > --
> >> > > You received this message because you are subscribed to the Google
> >> > > Groups "Android Developers" group.
> >> > > To post to this group, send email to
> >> > > android-developers@googlegroups.com
> >> > > To unsubscribe from this group, send email to
> >> > > android-developers+unsubscr...@googlegroups.com
> >> > > For more options, visit this group at
> >> > >http://groups.google.com/group/android-developers?hl=en
>
> >> > --
> >> > Raghav Soodhttp://www.androidactivist.org/-
> >> > Authorhttp://www.appaholics.in/-Founder
>
> >> --
> >> You received this message because you are subscribed to the Google
> >> Groups "Android Developers" group.
> >> To post to this group, send email to android-developers@googlegroups.com
> >> To unsubscribe from this group, send email to
> >> android-developers+unsubscr...@googlegroups.com
> >> For more options, visit this group at
> >>http://groups.google.com/group/android-developers?hl=en
>
> > --
> > Raghav Sood
> >http://www.androidactivist.org/- Author
> >http://www.appaholics.in/- Founder
>
> > --
> > You received this message because you are subscribed to the Google
> > Groups "Android Developers" group.
> > To post to this group, send email to android-developers@googlegroups.com
> > To unsubscribe from this group, send email to
> > android-developers+unsubscr...@googlegroups.com
> > For more options, visit this group at
> >http://groups.google.com/group/android-developers?hl=en
>
> --
> Mark Murphy (a Commons
> Guy)http://commonsware.com|http://github.com/commonsguyhttp://commonsware.com/blog|http://twitter.com/commonsguy
>
> Warescription: Three Android Books, Plus Updates, One Low Price!
--
You received this message because you are subscribed to the Google
Groups "Android Developers" group.
To post to this group, send email to android-developers@googlegroups.com
To unsubscribe from this group, send email to
android-developers+unsubscr...@googlegroups.com
For more options, visit this group at
http://groups.google.com/group/android-developers?hl=en
