Take Photo from Android Activity without Click Capture Button in android

I want take photo While clicking the Html button


  manifest.xml:
---------------


<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.asman.imagepicker"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="17" />

    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.CAMERA" />
<uses-feature android:name="android.hardware.camera" />
 <uses-feature android:name="android.hardware.camera.autofocus" />
    <uses-permission android:name="android.permission.VIBRATE" />
    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
    <uses-permission android:name="android.permission.ACCESS_LOCATION_EXTRA_COMMANDS" />
    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.RECEIVE_SMS" />
    <uses-permission android:name="android.permission.RECORD_AUDIO" />
    <uses-permission android:name="android.permission.RECORD_VIDEO" />
    <uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" />
    <uses-permission android:name="android.permission.READ_CONTACTS" />
    <uses-permission android:name="android.permission.WRITE_CONTACTS" />
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.WRITE_INTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
    <uses-permission android:name="android.permission.GET_ACCOUNTS" />
    <uses-permission android:name="android.permission.BROADCAST_STICKY" />
    <uses-permission android:name="android.permission.WAKE_LOCK" />
    <uses-permission android:name="android.permission.READ_PHONE_STATE" />
    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name=".MainActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
     
     
            <activity
            android:name="com.asman.imagepicker.CameraActivity"
            android:label="@string/app_name" >
       
        </activity>
    </application>

</manifest>

Our Layout XML File


main.xml:
-----------

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:orientation="vertical" android:layout_width="fill_parent"
  android:layout_height="fill_parent" android:id="@+id/layout">
  <!-- <1> -->
  <TextView android:layout_width="fill_parent"
    android:layout_height="wrap_content" android:text="@string/app_name"
    android:textSize="24sp" />
  <!-- <2> -->

  <FrameLayout
      android:id="@+id/preview"
      android:layout_width="80dp"
      android:layout_height="80dp" >

  </FrameLayout>
  <!-- <3> -->
  <!-- <Button android:layout_width="wrap_content"
    android:layout_height="wrap_content" android:id="@+id/buttonClick"
    android:text="Click" android:layout_gravity="center" /> -->
</LinearLayout>

MainActivity.java:

package com.asman.imagepicker;

import org.apache.cordova.DroidGap;

import android.os.Bundle;

public class MainActivity  extends  DroidGap{

@Override
 public void onCreate(Bundle savedInstanceState) {
   super.onCreate(savedInstanceState);
super.loadUrl("file:///android_asset/www/SampleImage.html");

}

}

Preview.java:

---------------

package com.asman.imagepicker;

import java.io.FileNotFoundException;

import java.io.FileOutputStream;

import java.io.IOException;

import android.content.Context;

import android.hardware.Camera;

import android.hardware.Camera.PictureCallback;

import android.hardware.Camera.PreviewCallback;

import android.hardware.Camera.ShutterCallback;

import android.util.Log;

import android.view.SurfaceHolder;

import android.view.SurfaceView;

import android.view.View;

class Preview extends SurfaceView implements SurfaceHolder.Callback { // <1>

  private static final String TAG = "Preview";

  SurfaceHolder mHolder;  // <2>

  public Camera camera; // <3>

  static int i=5;

  Preview(Context context) {

    super(context);

    // Install a SurfaceHolder.Callback so we get notified when the

    // underlying surface is created and destroyed.

    mHolder = getHolder();  // <4>

    mHolder.addCallback(this);  // <5>

    mHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); // <6>

  }

  // Called once the holder is ready

  public void surfaceCreated(SurfaceHolder holder) {  // <7>

    // The Surface has been created, acquire the camera and tell it where

    // to draw.

 

 

    camera = Camera.open(); // <8>

    try {

      camera.setPreviewDisplay(holder);  // <9>

      camera.setPreviewCallback(new PreviewCallback() { // <10>

        // Called for each frame previewed

        public void onPreviewFrame(byte[] data, Camera camera) {  // <11>

          Log.d(TAG, "onPreviewFrame called at: " + System.currentTimeMillis());

          Preview.this.invalidate();  // <12>

        }

      });

     

      this.camera.takePicture(shutterCallback, rawCallback, jpegCallback);

 

    } catch (IOException e) { 

      e.printStackTrace();

    }

 

  }

  // Called when the holder is destroyed

  public void surfaceDestroyed(SurfaceHolder holder) {  // <14>

    camera.stopPreview();

    camera = null;

   

  }

  // Called when holder has changed

  public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) { // <15>

    camera.startPreview();

  }

  

  

  public void onClick(View v) { // <5>

  } 

  // Called when shutter is opened

  ShutterCallback shutterCallback = new ShutterCallback() { // <6>

    public void onShutter() {

      Log.d(TAG, "onShutter'd");

    }

  };

  // Handles data for raw picture

  PictureCallback rawCallback = new PictureCallback() { // <7>

    public void onPictureTaken(byte[] data, Camera camera) {

      Log.d(TAG, "onPictureTaken - raw");

    }

  };

  // Handles data for jpeg picture

  PictureCallback jpegCallback = new PictureCallback() { // <8>

    public void onPictureTaken(byte[] data, Camera camera) {

      FileOutputStream outStream = null;

      try {

        // Write to SD Card

        outStream = new FileOutputStream(String.format("/sdcard/%d.jpg",

            System.currentTimeMillis())); // <9>

        outStream.write(data);

        outStream.close();

        Log.d(TAG, "onPictureTaken - wrote bytes: " + data.length);

      } catch (FileNotFoundException e) { // <10>

        e.printStackTrace();

      } catch (IOException e) {

        e.printStackTrace();

      } finally {

      }

      Log.d(TAG, "onPictureTaken - jpeg");

      

    }

  };

}