title: Take a photo automatically without user interaction
body: <p>I used this code to capture an image from the camera.</p>
  
  <pre><code>package android.takeowneship;
  
  
  import java.io.File;
  
  import android.app.Activity;
  import android.content.ContentValues;
  import android.content.Intent;
  import android.database.Cursor;
  import android.graphics.Bitmap;
  import android.graphics.BitmapFactory;
  import android.net.Uri;
  import android.os.Bundle;
  import android.provider.MediaStore;
  import android.widget.ImageView;
  import android.widget.Toast;
  
  
  public class camera extends Activity{
  
  
      private static final int CAPTURE_IMAGE_ACTIVITY_REQUEST_CODE = 100;
  
      Uri imageUri;
      private ImageView imageView;
  
       @Override
          public void onCreate(Bundle savedInstanceState){
              super.onCreate(savedInstanceState);
              setContentView(R.layout.main);
  
            //define the file-name to save photo taken by Camera activity
              String fileName = "new-photo-name.jpg";
              //create parameters for Intent with filename
              ContentValues values = new ContentValues();
              values.put(MediaStore.Images.Media.TITLE, fileName);
              values.put(MediaStore.Images.Media.DESCRIPTION,"Image capture by camera");
              //imageUri is the current activity attribute, define and save it for later usage (also in onSaveInstanceState)
              imageUri = getContentResolver().insert(
                      MediaStore.Images.Media.EXTERNAL_CONTENT_URI, values);
              //create new Intent
              Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
              intent.putExtra(MediaStore.EXTRA_OUTPUT, imageUri);
              intent.putExtra(MediaStore.EXTRA_VIDEO_QUALITY, 1);
              startActivityForResult(intent, CAPTURE_IMAGE_ACTIVITY_REQUEST_CODE);
  
          }
  
       protected void onActivityResult(int requestCode, int resultCode, Intent data) {
  
           if (requestCode == CAPTURE_IMAGE_ACTIVITY_REQUEST_CODE) {
               if (resultCode == RESULT_OK) {
                   //use imageUri here to access the image
                   Toast.makeText(this, "picture has been taken"+ imageUri, Toast.LENGTH_SHORT).show();
  
  
               } else if (resultCode == RESULT_CANCELED) {
                   Toast.makeText(this, "Picture was not taken", Toast.LENGTH_SHORT).show();
               } else {
                   Toast.makeText(this, "Picture was not taken", Toast.LENGTH_SHORT).show();
               }
           }
  
           }
  
       public static File convertImageUriToFile (Uri imageUri, Activity activity)  {
  
           Cursor cursor = null;
           try {
               String [] proj={MediaStore.Images.Media.DATA, MediaStore.Images.Media._ID, MediaStore.Images.ImageColumns.ORIENTATION};
               cursor = activity.managedQuery( imageUri,
                       proj, // Which columns to return
                       null,       // WHERE clause; which rows to return (all rows)
                       null,       // WHERE clause selection arguments (none)
                       null); // Order-by clause (ascending by name)
               int file_ColumnIndex = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
  //           int orientation_ColumnIndex = cursor.getColumnIndexOrThrow(MediaStore.Images.ImageColumns.ORIENTATION);
               if (cursor.moveToFirst()) {
  //               String orientation =  cursor.getString(orientation_ColumnIndex);
                   return new File(cursor.getString(file_ColumnIndex));
               }
               return null;
           } finally {
               if (cursor != null) {
                   cursor.close();
               }
           }
           }
  </code></pre>
  
  <p>}</p>
  
  <p>But in this code it opens the camera and user has to click the button to take the photo.
  What I want is to take the photo automatically (without a preview) and saves it in the memory card.</p>