title: How to get image from file/database and display in list view?
body: <p>I am new to android  i want to make an application of list of image  in which i want save image from camera  to data base and  retrieve from database.I want to do this by saving uri of database .I did it in following way
  1. I am saving image in file and set it in image view  further 
  2. I am  going to save images uri in database.
  but i am  stuck in first step it self .please help me.</p>
  
  <pre><code>package com.example.camerademo;
  
  import java.io.File;
  import java.net.URI;
  import java.text.SimpleDateFormat;
  import java.util.Date;
  
  import android.net.Uri;
  import android.os.Bundle;
  import android.os.Environment;
  import android.provider.MediaStore;
  import android.app.Activity;
  import android.content.Intent;
  import android.util.Log;
  import android.view.Menu;
  import android.view.View;
  import android.view.View.OnClickListener;
  import android.widget.Button;
  import android.widget.ImageView;
  import android.widget.Toast;
  
  public class MainActivity extends Activity {
  Button click;
  ImageView image;
  Intent intent;
  final static int requestCode=100;
  private static final int MEDIA_TYPE_IMAGE = 1;
  private static final int MEDIA_TYPE_VIDEO = 2;
  private static final int CAPTURE_IMAGE_ACTIVITY_REQUEST_CODE = 100;
  private static final int CAPTURE_VIDEO_ACTIVITY_REQUEST_CODE = 200;
  
  
      protected void onCreate(Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);
          setContentView(R.layout.activity_main);
  
          click= (Button) findViewById(R.id.clickbutton);
          image= (ImageView) findViewById(R.id.imageholder);
          intent =new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
  
  
  
          Uri mediauri= getOutputMediaFileUri(MEDIA_TYPE_IMAGE);
          intent.putExtra(MediaStore.EXTRA_OUTPUT, mediauri);
          click.setOnClickListener(new OnClickListener() {
  
              @Override
              public void onClick(View arg0) {
  
                  startActivityForResult(intent, requestCode);
  
              }
          });
  
      }
      @Override
          protected void onActivityResult(int requestCode, int resultCode, Intent data) {
              // TODO Auto-generated method stub
              super.onActivityResult(requestCode, resultCode, data);
  
  
  
  
              if (requestCode == CAPTURE_IMAGE_ACTIVITY_REQUEST_CODE) {
                  if (resultCode == RESULT_OK) {
                      // Image captured and saved to fileUri specified in the Intent
                      Toast.makeText(this, "Image saved to:\n" +
                               data.getData(), Toast.LENGTH_LONG).show();
                      image.setImageURI(Uri.parse(data.getStringExtra(MediaStore.EXTRA_OUTPUT)));
                  } else if (resultCode == RESULT_CANCELED) {
                      // User cancelled the image capture
                  } else {
                      // Image capture failed, advise user
                  }
              }
  
              if (requestCode == CAPTURE_VIDEO_ACTIVITY_REQUEST_CODE) {
                  if (resultCode == RESULT_OK)
                      // Video captured and saved to fileUri specified in the Intent
                      Toast.makeText(this, "Video saved to:\n" +
                               data.getData(), Toast.LENGTH_LONG).show();
                  } else if (resultCode == RESULT_CANCELED) {
                      // User cancelled the video capture
                  } else {
                      // Video capture failed, advise user
                  }
              }
  
  
  
      @Override
      public boolean onCreateOptionsMenu(Menu menu) {
          // Inflate the menu; this adds items to the action bar if it is present.
          getMenuInflater().inflate(R.menu.main, menu);
          return true;
  
  
      }
  
  
      private static Uri getOutputMediaFileUri(int type){
            return Uri.fromFile(getOutputMediaFile(type));
      }
      private static File getOutputMediaFile(int type){
  
          File mediaStorageDir = new File(Environment.getExternalStoragePublicDirectory(
                    Environment.DIRECTORY_PICTURES), "MyCameraApp");
              if (! mediaStorageDir.exists()){
              if (! mediaStorageDir.mkdirs()){
                  Log.d("MyCameraApp", "failed to create directory");
                  return null;
              }
          }
  
          String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date());
          File mediaFile;
          if (type == MEDIA_TYPE_IMAGE){
              mediaFile = new File(mediaStorageDir.getPath() + File.separator +
              "IMG_"+ timeStamp + ".jpg");
          } else if(type == MEDIA_TYPE_VIDEO) {
              mediaFile = new File(mediaStorageDir.getPath() + File.separator +
              "VID_"+ timeStamp + ".mp4");
          } else {
              return null;
          }
  
          return mediaFile;
      }
  
  }
  </code></pre>