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Konten : Android Tutorial-Android Spy Camera Example using android serviceANDROIDKAWE
Judul : Android Tutorial-Android Spy Camera Example using android serviceANDROIDKAWE

Android Tutorial-Android Spy Camera Example using android serviceANDROIDKAWE

Image Clicked in background using android camera service

hi friends,
Today i am going to taught how to create spy camera, basically if you want your smart phone camera clicked image in background with out using any fore ground graphics then you use this concept.
this idea you can use to create security application locker. This is also an example of android service that help to click picture in background.

Requirement to Create Spy Camera:-

1. we have to create an service that run camera application in background.
2.we have to give external storage write and using camera permission in android manifest file.

Complete Code:
Android Activity code:

package com.apsmind.spycamera;

import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.widget.Button;
import android.widget.TextView;

public class MainActivity1 extends Activity {

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main_activity1);

startService(new Intent(MainActivity.this, CameraService.class) );

}

android Service Class : create a class name CameraService.

package com.apsmind.spycamera;

import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.hardware.Camera;
import android.hardware.Camera.Parameters;

import android.os.IBinder;
import android.util.Log;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.widget.Toast;

public class CameraService extends Service
{
static int x=0;
//Camera variables
//a surface holder
private SurfaceHolder sHolder;
//a variable to control the camera
private Camera mCamera;
//the camera parameters
private Parameters parameters;
/** Called when the activity is first created. */
@Override
public void onCreate()
{
super.onCreate();

}
@Override
public void onStart(Intent intent, int startId) {
// TODO Auto-generated method stub
super.onStart(intent, startId);

mCamera = Camera.open();
SurfaceView sv = new SurfaceView(getApplicationContext());

try {
mCamera.setPreviewDisplay(sv.getHolder());
parameters = mCamera.getParameters();

//set camera parameters
mCamera.setParameters(parameters);
mCamera.startPreview();
mCamera.takePicture(null, null, mCall);

} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

//Get a surface
sHolder = sv.getHolder();
//tells Android that this surface will have its data constantly replaced
sHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
}

Camera.PictureCallback mCall = new Camera.PictureCallback()
{

public void onPictureTaken(byte[] data, Camera camera)
{
//decode the data obtained by the camera into a Bitmap

FileOutputStream outStream = null;
try{
x++;
outStream = new FileOutputStream("/sdcard/Image"+x+".jpg");
outStream.write(data);
outStream.close();
mCamera.release();
Toast.makeText(getApplicationContext(), "picture clicked", Toast.LENGTH_LONG).show();
} catch (FileNotFoundException e){
Log.d("CAMERA", e.getMessage());
} catch (IOException e){
Log.d("CAMERA", e.getMessage());
}

}
};

@Override
public IBinder onBind(Intent intent) {
// TODO Auto-generated method stub
return null;
}
}

Android Manifest File :

package="com.apsmind.spycamera"
android:versionCode="1"
android:versionName="1.0" >

android:minSdkVersion="8"
android:targetSdkVersion="18" />

android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
android:name="com.apsmind.spycamera.MainActivity"
android:label="@string/app_name" >

To Learn Interesting and Live project Base Android Application Development join Apsmind Technology Pvt Ltd.

http://www.apsmind.com (Training)
http://www.apsmindtech.com (Development)

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Tag : Android Development, Android Training delhi, APSMIND, background service, spy camera