Android Open Source - qr-android Main Upload

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License

The source code is released under:

Copyright ? 2010, Sunlight Foundation All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are m...

Java Source Code

package com.sunlightlabs.qr;
/*ww  w .  j  a  va 2 s . c  o m*/
import java.io.File;
import java.io.FileNotFoundException;

import android.app.Activity;
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.os.Environment;
import android.provider.MediaStore;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.Toast;

public class MainUpload extends Activity {
    private static final int PICK_PHOTO = 1;
    private static final int TAKE_PHOTO = 2;
    
  private EditText message;
  private ImageView photo;
  private Button pickPhoto, takePhoto, print;
  
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        setupControls();
    }
    
    public void setupControls() {
      message = (EditText) findViewById(R.id.message);
      pickPhoto = (Button) findViewById(R.id.pick_photo);
      takePhoto = (Button) findViewById(R.id.take_photo);
      photo = (ImageView) findViewById(R.id.photo);
      print = (Button) findViewById(R.id.print);
      
      pickPhoto.setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
        Intent intent = new Intent(Intent.ACTION_PICK, 
            android.provider.MediaStore.Images.Media.INTERNAL_CONTENT_URI);  
        startActivityForResult(intent, PICK_PHOTO);
      }
    });
      
      takePhoto.setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
        Intent intent = new Intent("android.media.action.IMAGE_CAPTURE")
          .putExtra(android.provider.MediaStore.EXTRA_OUTPUT, Uri.fromFile(new File(tempFile())));
        startActivityForResult(intent, TAKE_PHOTO);
      }
    });
    }
    
    @Override
  public void onActivityResult(int requestCode, int resultCode, Intent data) {
    switch(requestCode) {
    case PICK_PHOTO:
      if (resultCode == RESULT_OK) {
        Uri selectedImage = data.getData();
              photo.setImageBitmap(bitmapFromUri(selectedImage));
      }
      break;
    case TAKE_PHOTO:
      if (resultCode == RESULT_OK) {
        Uri takenImage;
        File file = new File(tempFile());
                try {
                  String result = android.provider.MediaStore.Images.Media.insertImage(getContentResolver(), file.getAbsolutePath(), null, null);
                    takenImage = Uri.parse(result);
                    
                  if (!file.delete())
                        Toast.makeText(this, "Failed to delete " + file, Toast.LENGTH_SHORT);
                    
                } catch (FileNotFoundException e) {
                  takenImage = null;
                    Toast.makeText(this, "Photo file not found!", Toast.LENGTH_SHORT);
                }
                
                if (takenImage != null)
                  photo.setImageBitmap(bitmapFromUri(takenImage));
      }
      break;
    }
    }
    
    private String tempFile() {
      return Environment.getExternalStorageDirectory().getPath() + "/tempImage";
    }
    
    private Bitmap bitmapFromUri(Uri uri) {
      String[] filePathColumn = {MediaStore.Images.Media.DATA};

        Cursor cursor = getContentResolver().query(uri, filePathColumn, null, null, null);
        cursor.moveToFirst();

        int columnIndex = cursor.getColumnIndex(filePathColumn[0]);
        String filePath = cursor.getString(columnIndex);
        cursor.close();
        
        return BitmapFactory.decodeFile(filePath);
    }
    
}

Java Source Code List

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