mirror of https://github.com/ThmmyNoLife/mTHMMY
3 changed files with 184 additions and 148 deletions
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package gr.thmmy.mthmmy.utils; |
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import android.content.ContentResolver; |
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import android.content.ContentValues; |
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import android.content.Context; |
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import android.content.Intent; |
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import android.content.pm.PackageManager; |
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import android.content.pm.ResolveInfo; |
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import android.content.res.AssetFileDescriptor; |
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import android.graphics.Bitmap; |
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import android.graphics.BitmapFactory; |
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import android.graphics.Matrix; |
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import android.media.ExifInterface; |
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import android.net.Uri; |
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import android.os.Environment; |
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import android.provider.MediaStore; |
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import android.support.annotation.NonNull; |
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import android.support.annotation.Nullable; |
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import android.support.v4.content.FileProvider; |
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import android.widget.Toast; |
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import java.io.File; |
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import java.io.FileNotFoundException; |
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import java.io.FileOutputStream; |
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import java.text.SimpleDateFormat; |
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import java.util.Date; |
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import java.util.List; |
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import java.util.Locale; |
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import timber.log.Timber; |
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public class TakePhoto { |
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private static final int DEFAULT_MIN_WIDTH_QUALITY = 400; |
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@Nullable |
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public static Intent getIntent(Context context, @NonNull File photoFile) { |
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Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE); |
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//Ensures that there's a camera activity to handle the intent
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if (takePictureIntent.resolveActivity(context.getPackageManager()) != null) { |
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Uri photoURI = FileProvider.getUriForFile(context, context.getPackageName() + |
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".provider", photoFile); |
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takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT, photoURI); |
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//Grants necessary permissions for Gallery to use the Uri
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List<ResolveInfo> resInfoList = context.getPackageManager(). |
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queryIntentActivities(takePictureIntent, PackageManager.MATCH_DEFAULT_ONLY); |
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for (ResolveInfo resolveInfo : resInfoList) { |
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String packageName = resolveInfo.activityInfo.packageName; |
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context.grantUriPermission(packageName, photoURI, |
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Intent.FLAG_GRANT_WRITE_URI_PERMISSION | |
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Intent.FLAG_GRANT_READ_URI_PERMISSION); |
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} |
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return takePictureIntent; |
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} |
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return null; |
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} |
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public static Uri processResult(Context context, File photoFile) { |
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Bitmap bitmap; |
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Uri fileUri = FileProvider.getUriForFile(context, context.getPackageName() + ".provider", photoFile); |
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bitmap = getImageResized(context, fileUri); |
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int rotation = getRotation(context, fileUri); |
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bitmap = rotate(bitmap, rotation); |
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try { |
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FileOutputStream out = new FileOutputStream(photoFile); |
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bitmap.compress(Bitmap.CompressFormat.JPEG, 100, out); |
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out.flush(); |
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out.close(); |
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} catch (Exception e) { |
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e.printStackTrace(); |
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} |
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return fileUri; |
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} |
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@Nullable |
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public static File createImageFile(Context context) { |
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// Create an image file name
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String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss", Locale.FRANCE).format(new Date()); |
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String imageFileName = "mThmmy_" + timeStamp + ".jpg"; |
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File imageFolder = new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DCIM) + |
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File.separator + "mThmmy"); |
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if (!imageFolder.exists()) { |
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if (!imageFolder.mkdirs()) { |
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Timber.w("Photos folder build returned false in %s", TakePhoto.class.getSimpleName()); |
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Toast.makeText(context, "Couldn't create photos directory", Toast.LENGTH_SHORT).show(); |
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return null; |
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} |
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} |
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File photoFile = new File(imageFolder, imageFileName); |
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galleryAddPic(context, photoFile); |
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return photoFile; |
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} |
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private static void galleryAddPic(Context context, File photoFile) { |
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ContentValues values = new ContentValues(); |
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values.put(MediaStore.Images.Media.TITLE, photoFile.getName()); |
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values.put(MediaStore.Images.Media.DESCRIPTION, "mThmmy uploads image"); |
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values.put(MediaStore.Images.Media.DATE_TAKEN, System.currentTimeMillis()); //TODO fix bug
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values.put(MediaStore.Images.ImageColumns.BUCKET_ID, photoFile.toString().toLowerCase(Locale.US).hashCode()); |
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values.put(MediaStore.Images.ImageColumns.BUCKET_DISPLAY_NAME, photoFile.getName().toLowerCase(Locale.US)); |
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values.put("_data", photoFile.getAbsolutePath()); |
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ContentResolver cr = context.getContentResolver(); |
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cr.insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, values); |
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} |
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private static Bitmap getImageResized(Context context, Uri selectedImage) { |
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Bitmap bm; |
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int[] sampleSizes = new int[]{5, 3, 2, 1}; |
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int i = 0; |
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do { |
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bm = decodeBitmap(context, selectedImage, sampleSizes[i]); |
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i++; |
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} while (bm.getWidth() < DEFAULT_MIN_WIDTH_QUALITY && i < sampleSizes.length); |
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return bm; |
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} |
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private static Bitmap decodeBitmap(Context context, Uri theUri, int sampleSize) { |
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BitmapFactory.Options options = new BitmapFactory.Options(); |
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options.inSampleSize = sampleSize; |
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AssetFileDescriptor fileDescriptor = null; |
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try { |
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fileDescriptor = context.getContentResolver().openAssetFileDescriptor(theUri, "r"); |
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} catch (FileNotFoundException e) { |
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e.printStackTrace(); |
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} |
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assert fileDescriptor != null; |
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return BitmapFactory.decodeFileDescriptor( |
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fileDescriptor.getFileDescriptor(), null, options); |
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} |
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private static int getRotation(Context context, Uri imageUri) { |
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int rotation = 0; |
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try { |
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context.getContentResolver().notifyChange(imageUri, null); |
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ExifInterface exif = new ExifInterface(imageUri.getPath()); |
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int orientation = exif.getAttributeInt( |
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ExifInterface.TAG_ORIENTATION, |
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ExifInterface.ORIENTATION_NORMAL); |
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switch (orientation) { |
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case ExifInterface.ORIENTATION_ROTATE_270: |
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rotation = 270; |
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break; |
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case ExifInterface.ORIENTATION_ROTATE_180: |
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rotation = 180; |
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break; |
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case ExifInterface.ORIENTATION_ROTATE_90: |
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rotation = 90; |
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break; |
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} |
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} catch (Exception e) { |
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e.printStackTrace(); |
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} |
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return rotation; |
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} |
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private static Bitmap rotate(Bitmap bm, int rotation) { |
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if (rotation != 0) { |
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Matrix matrix = new Matrix(); |
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matrix.postRotate(rotation); |
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return Bitmap.createBitmap(bm, 0, 0, bm.getWidth(), bm.getHeight(), matrix, true); |
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} |
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return bm; |
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} |
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} |
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