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Mariovc/ ImagePicker.java

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Revisions

  1. Mariovc revised this gist Jul 21, 2016. 3 changed files with 1 addition and 0 deletions.
    0 ImagePicker.java → ImagePicker.java
    View file
    File renamed without changes.
    0 SimpleActivity.java → SimpleActivity.java
    View file
    File renamed without changes.
    1 change: 1 addition & 0 deletions AndroidManifest.xml
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    Original file line number Diff line number Diff line change
    @@ -0,0 +1 @@
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
  2. Mariovc revised this gist Mar 25, 2016. 1 changed file with 1 addition and 1 deletion.
    2 changes: 1 addition & 1 deletion ImagePicker.java
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    Original file line number Diff line number Diff line change
    @@ -76,7 +76,7 @@ public static Bitmap getImageFromResult(Context context, int resultCode,
    Uri selectedImage;
    boolean isCamera = (imageReturnedIntent == null ||
    imageReturnedIntent.getData() == null ||
    imageReturnedIntent.getData().equals(Uri.fromFile(imageFile)));
    imageReturnedIntent.getData().toString().contains(imageFile.toString()));
    if (isCamera) { /** CAMERA **/
    selectedImage = Uri.fromFile(imageFile);
    } else { /** ALBUM **/
  3. Mariovc revised this gist Mar 25, 2016. 1 changed file with 16 additions and 7 deletions.
    23 changes: 16 additions & 7 deletions ImagePicker.java
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    Original file line number Diff line number Diff line change
    @@ -173,14 +173,23 @@ private static int getRotationFromCamera(Context context, Uri imageFile) {
    }

    public static int getRotationFromGallery(Context context, Uri imageUri) {
    int result = 0;
    String[] columns = {MediaStore.Images.Media.ORIENTATION};
    Cursor cursor = context.getContentResolver().query(imageUri, columns, null, null, null);
    if (cursor == null) return 0;

    cursor.moveToFirst();

    int orientationColumnIndex = cursor.getColumnIndex(columns[0]);
    return cursor.getInt(orientationColumnIndex);
    Cursor cursor = null;
    try {
    cursor = context.getContentResolver().query(imageUri, columns, null, null, null);
    if (cursor != null && cursor.moveToFirst()) {
    int orientationColumnIndex = cursor.getColumnIndex(columns[0]);
    result = cursor.getInt(orientationColumnIndex);
    }
    } catch (Exception e) {
    //Do nothing
    } finally {
    if (cursor != null) {
    cursor.close();
    }
    }//End of try-catch block
    return result;
    }


  4. Mariovc revised this gist Nov 6, 2015. 1 changed file with 22 additions and 1 deletion.
    23 changes: 22 additions & 1 deletion ImagePicker.java
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    Original file line number Diff line number Diff line change
    @@ -1,3 +1,22 @@
    import android.app.Activity;
    import android.content.Context;
    import android.content.Intent;
    import android.content.pm.ResolveInfo;
    import android.content.res.AssetFileDescriptor;
    import android.database.Cursor;
    import android.graphics.Bitmap;
    import android.graphics.BitmapFactory;
    import android.graphics.Matrix;
    import android.media.ExifInterface;
    import android.net.Uri;
    import android.os.Parcelable;
    import android.provider.MediaStore;
    import android.util.Log;

    import java.io.File;
    import java.io.FileNotFoundException;
    import java.util.ArrayList;
    import java.util.List;

    /**
    * Author: Mario Velasco Casquero
    @@ -55,7 +74,9 @@ public static Bitmap getImageFromResult(Context context, int resultCode,
    File imageFile = getTempFile(context);
    if (resultCode == Activity.RESULT_OK) {
    Uri selectedImage;
    boolean isCamera = (imageReturnedIntent == null || imageReturnedIntent.getData() == null);
    boolean isCamera = (imageReturnedIntent == null ||
    imageReturnedIntent.getData() == null ||
    imageReturnedIntent.getData().equals(Uri.fromFile(imageFile)));
    if (isCamera) { /** CAMERA **/
    selectedImage = Uri.fromFile(imageFile);
    } else { /** ALBUM **/
  5. Mariovc revised this gist Oct 27, 2015. 1 changed file with 1 addition and 1 deletion.
    2 changes: 1 addition & 1 deletion ImagePicker.java
    View file
    Original file line number Diff line number Diff line change
    @@ -55,7 +55,7 @@ public static Bitmap getImageFromResult(Context context, int resultCode,
    File imageFile = getTempFile(context);
    if (resultCode == Activity.RESULT_OK) {
    Uri selectedImage;
    boolean isCamera = imageReturnedIntent == null;
    boolean isCamera = (imageReturnedIntent == null || imageReturnedIntent.getData() == null);
    if (isCamera) { /** CAMERA **/
    selectedImage = Uri.fromFile(imageFile);
    } else { /** ALBUM **/
  6. Mariovc revised this gist Oct 16, 2015. 1 changed file with 2 additions and 2 deletions.
    4 changes: 2 additions & 2 deletions ImagePicker.java
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    Original file line number Diff line number Diff line change
    @@ -103,11 +103,11 @@ private static Bitmap decodeBitmap(Context context, Uri theUri, int sampleSize)
    private static Bitmap getImageResized(Context context, Uri selectedImage) {
    Bitmap bm = null;
    int[] sampleSizes = new int[]{5, 3, 2, 1};
    int i = -1;
    int i = 0;
    do {
    i++;
    bm = decodeBitmap(context, selectedImage, sampleSizes[i]);
    Log.d(TAG, "resizer: new bitmap width = " + bm.getWidth());
    i++;
    } while (bm.getWidth() < minWidthQuality && i < sampleSizes.length);
    return bm;
    }
  7. Mariovc revised this gist Oct 2, 2015. 1 changed file with 31 additions and 21 deletions.
    52 changes: 31 additions & 21 deletions ImagePicker.java
    View file
    Original file line number Diff line number Diff line change
    @@ -58,15 +58,14 @@ public static Bitmap getImageFromResult(Context context, int resultCode,
    boolean isCamera = imageReturnedIntent == null;
    if (isCamera) { /** CAMERA **/
    selectedImage = Uri.fromFile(imageFile);
    } else { /** ALBUM **/
    } else { /** ALBUM **/
    selectedImage = imageReturnedIntent.getData();
    }
    Log.d(TAG, "selectedImage: " + selectedImage);

    bm = getImageResized(context, selectedImage);
    if (isCamera) {
    bm = rotateIfNeeded(context, bm, imageFile);
    }
    int rotation = getRotation(context, selectedImage, isCamera);
    bm = rotate(bm, rotation);
    }
    return bm;
    }
    @@ -113,21 +112,24 @@ private static Bitmap getImageResized(Context context, Uri selectedImage) {
    return bm;
    }

    private static Bitmap rotateIfNeeded(Context context, Bitmap bm, File imageFile) {
    int rot = getCameraPhotoOrientation(context, imageFile);
    if (rot != 0) {
    bm = new RotateOrientation().RotateOrientationCall(bm, rot);

    private static int getRotation(Context context, Uri imageUri, boolean isCamera) {
    int rotation;
    if (isCamera) {
    rotation = getRotationFromCamera(context, imageUri);
    } else {
    rotation = getRotationFromGallery(context, imageUri);
    }
    return bm;
    Log.d(TAG, "Image rotation: " + rotation);
    return rotation;
    }


    private static int getCameraPhotoOrientation(Context context, File imageFile) {
    private static int getRotationFromCamera(Context context, Uri imageFile) {
    int rotate = 0;
    try {

    context.getContentResolver().notifyChange(Uri.fromFile(imageFile), null);
    ExifInterface exif = new ExifInterface(imageFile.getAbsolutePath());
    context.getContentResolver().notifyChange(imageFile, null);
    ExifInterface exif = new ExifInterface(imageFile.getPath());
    int orientation = exif.getAttributeInt(
    ExifInterface.TAG_ORIENTATION,
    ExifInterface.ORIENTATION_NORMAL);
    @@ -143,23 +145,31 @@ private static int getCameraPhotoOrientation(Context context, File imageFile) {
    rotate = 90;
    break;
    }


    Log.d(TAG, "Exit orientation: " + orientation);
    } catch (Exception e) {
    e.printStackTrace();
    }
    return rotate;
    }

    private static class RotateOrientation {
    public static int getRotationFromGallery(Context context, Uri imageUri) {
    String[] columns = {MediaStore.Images.Media.ORIENTATION};
    Cursor cursor = context.getContentResolver().query(imageUri, columns, null, null, null);
    if (cursor == null) return 0;

    Bitmap RotateOrientationCall(Bitmap src, float degree) {
    cursor.moveToFirst();

    int orientationColumnIndex = cursor.getColumnIndex(columns[0]);
    return cursor.getInt(orientationColumnIndex);
    }


    private static Bitmap rotate(Bitmap bm, int rotation) {
    if (rotation != 0) {
    Matrix matrix = new Matrix();
    matrix.postRotate(degree);
    Bitmap bmOut = Bitmap.createBitmap(src, 0, 0, src.getWidth(), src.getHeight(), matrix, true);
    matrix.postRotate(rotation);
    Bitmap bmOut = Bitmap.createBitmap(bm, 0, 0, bm.getWidth(), bm.getHeight(), matrix, true);
    return bmOut;

    }
    return bm;
    }
    }
  8. Mariovc revised this gist Oct 1, 2015. 1 changed file with 11 additions and 29 deletions.
    40 changes: 11 additions & 29 deletions ImagePicker.java
    View file
    Original file line number Diff line number Diff line change
    @@ -27,7 +27,7 @@ public static Intent getPickImageIntent(Context context) {
    intentList = addIntentsToList(context, intentList, takePhotoIntent);

    if (intentList.size() > 0) {
    chooserIntent = Intent.createChooser(intentList.remove(intentList.size() -1),
    chooserIntent = Intent.createChooser(intentList.remove(intentList.size() - 1),
    context.getString(R.string.pick_image_intent_text));
    chooserIntent.putExtra(Intent.EXTRA_INITIAL_INTENTS, intentList.toArray(new Parcelable[]{}));
    }
    @@ -55,7 +55,8 @@ public static Bitmap getImageFromResult(Context context, int resultCode,
    File imageFile = getTempFile(context);
    if (resultCode == Activity.RESULT_OK) {
    Uri selectedImage;
    if (imageReturnedIntent == null) { /** CAMERA **/
    boolean isCamera = imageReturnedIntent == null;
    if (isCamera) { /** CAMERA **/
    selectedImage = Uri.fromFile(imageFile);
    } else { /** ALBUM **/
    selectedImage = imageReturnedIntent.getData();
    @@ -97,14 +98,18 @@ private static Bitmap decodeBitmap(Context context, Uri theUri, int sampleSize)
    return actuallyUsableBitmap;
    }

    /**
    * Resize to avoid using too much memory loading big images (e.g.: 2560*1920)
    **/
    private static Bitmap getImageResized(Context context, Uri selectedImage) {
    Bitmap bm = null;
    int sampleSize = 7; // TODO improve resizer
    int[] sampleSizes = new int[]{5, 3, 2, 1};
    int i = -1;
    do {
    sampleSize -= 2;
    bm = decodeBitmap(context, selectedImage, sampleSize);
    i++;
    bm = decodeBitmap(context, selectedImage, sampleSizes[i]);
    Log.d(TAG, "resizer: new bitmap width = " + bm.getWidth());
    } while (bm.getWidth() < minWidthQuality && sampleSize > 1);
    } while (bm.getWidth() < minWidthQuality && i < sampleSizes.length);
    return bm;
    }

    @@ -113,32 +118,9 @@ private static Bitmap rotateIfNeeded(Context context, Bitmap bm, File imageFile)
    if (rot != 0) {
    bm = new RotateOrientation().RotateOrientationCall(bm, rot);
    }
    // saveBitmap(imageFile, bm);
    return bm;
    }

    // private static void saveBitmap(File imageFile, Bitmap bm) {
    // Log.d(TAG, "Saving image ... ");
    // imageFile.getParentFile().mkdirs();
    // FileOutputStream out = null;
    // try {
    // out = new FileOutputStream(imageFile);
    // bm.compress(Bitmap.CompressFormat.PNG, 90, out);
    // } catch (Exception e) {
    // e.printStackTrace();
    // } finally {
    // try {
    // if (out != null) {
    // out.close();
    // }
    // } catch (IOException e) {
    // e.printStackTrace();
    // }
    // }
    // Log.d(TAG, "Image saved");
    // }



    private static int getCameraPhotoOrientation(Context context, File imageFile) {
    int rotate = 0;
  9. Mariovc revised this gist Sep 9, 2015. 1 changed file with 3 additions and 1 deletion.
    4 changes: 3 additions & 1 deletion ImagePicker.java
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    Original file line number Diff line number Diff line change
    @@ -63,7 +63,9 @@ public static Bitmap getImageFromResult(Context context, int resultCode,
    Log.d(TAG, "selectedImage: " + selectedImage);

    bm = getImageResized(context, selectedImage);
    bm = rotateIfNeeded(context, bm, imageFile);
    if (isCamera) {
    bm = rotateIfNeeded(context, bm, imageFile);
    }
    }
    return bm;
    }
  10. Mariovc renamed this gist Sep 8, 2015. 1 changed file with 1 addition and 1 deletion.
    2 changes: 1 addition & 1 deletion ExampleActivity.java → SimpleActivity.java
    View file
    Original file line number Diff line number Diff line change
    @@ -1,4 +1,4 @@
    public class ExampleActivity {
    public class SimpleActivity {
    private static final int PICK_IMAGE_ID = 234; // the number doesn't matter

    public void onPickImage(View view) {
  11. Mariovc revised this gist Sep 8, 2015. 1 changed file with 2 additions and 2 deletions.
    4 changes: 2 additions & 2 deletions ExampleActivity.java
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    Original file line number Diff line number Diff line change
    @@ -1,5 +1,5 @@
    public class RegisterActivity {
    private static final int PICK_IMAGE_ID = 234;
    public class ExampleActivity {
    private static final int PICK_IMAGE_ID = 234; // the number doesn't matter

    public void onPickImage(View view) {
    Intent chooseImageIntent = ImagePicker.getPickImageIntent(this);
  12. Mariovc revised this gist Sep 8, 2015. 1 changed file with 21 additions and 0 deletions.
    21 changes: 21 additions & 0 deletions ExampleActivity.java
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    Original file line number Diff line number Diff line change
    @@ -0,0 +1,21 @@
    public class RegisterActivity {
    private static final int PICK_IMAGE_ID = 234;

    public void onPickImage(View view) {
    Intent chooseImageIntent = ImagePicker.getPickImageIntent(this);
    startActivityForResult(chooseImageIntent, PICK_IMAGE_ID);
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    switch(requestCode) {
    case PICK_IMAGE_ID:
    Bitmap bitmap = ImagePicker.getImageFromResult(this, resultCode, data);
    // TODO use bitmap
    break;
    default:
    super.onActivityResult(requestCode, resultCode, data);
    break;
    }
    }
    }
  13. Mariovc created this gist Sep 8, 2015.
    181 changes: 181 additions & 0 deletions ImagePicker.java
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    Original file line number Diff line number Diff line change
    @@ -0,0 +1,181 @@

    /**
    * Author: Mario Velasco Casquero
    * Date: 08/09/2015
    * Email: [email protected]
    */
    public class ImagePicker {

    private static final int DEFAULT_MIN_WIDTH_QUALITY = 400; // min pixels
    private static final String TAG = "ImagePicker";
    private static final String TEMP_IMAGE_NAME = "tempImage";

    public static int minWidthQuality = DEFAULT_MIN_WIDTH_QUALITY;


    public static Intent getPickImageIntent(Context context) {
    Intent chooserIntent = null;

    List<Intent> intentList = new ArrayList<>();

    Intent pickIntent = new Intent(Intent.ACTION_PICK,
    android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
    Intent takePhotoIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
    takePhotoIntent.putExtra("return-data", true);
    takePhotoIntent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(getTempFile(context)));
    intentList = addIntentsToList(context, intentList, pickIntent);
    intentList = addIntentsToList(context, intentList, takePhotoIntent);

    if (intentList.size() > 0) {
    chooserIntent = Intent.createChooser(intentList.remove(intentList.size() -1),
    context.getString(R.string.pick_image_intent_text));
    chooserIntent.putExtra(Intent.EXTRA_INITIAL_INTENTS, intentList.toArray(new Parcelable[]{}));
    }

    return chooserIntent;
    }

    private static List<Intent> addIntentsToList(Context context, List<Intent> list, Intent intent) {
    List<ResolveInfo> resInfo = context.getPackageManager().queryIntentActivities(intent, 0);
    for (ResolveInfo resolveInfo : resInfo) {
    String packageName = resolveInfo.activityInfo.packageName;
    Intent targetedIntent = new Intent(intent);
    targetedIntent.setPackage(packageName);
    list.add(targetedIntent);
    Log.d(TAG, "Intent: " + intent.getAction() + " package: " + packageName);
    }
    return list;
    }


    public static Bitmap getImageFromResult(Context context, int resultCode,
    Intent imageReturnedIntent) {
    Log.d(TAG, "getImageFromResult, resultCode: " + resultCode);
    Bitmap bm = null;
    File imageFile = getTempFile(context);
    if (resultCode == Activity.RESULT_OK) {
    Uri selectedImage;
    if (imageReturnedIntent == null) { /** CAMERA **/
    selectedImage = Uri.fromFile(imageFile);
    } else { /** ALBUM **/
    selectedImage = imageReturnedIntent.getData();
    }
    Log.d(TAG, "selectedImage: " + selectedImage);

    bm = getImageResized(context, selectedImage);
    bm = rotateIfNeeded(context, bm, imageFile);
    }
    return bm;
    }


    private static File getTempFile(Context context) {
    File imageFile = new File(context.getExternalCacheDir(), TEMP_IMAGE_NAME);
    imageFile.getParentFile().mkdirs();
    return imageFile;
    }

    private static Bitmap decodeBitmap(Context context, Uri theUri, int sampleSize) {
    BitmapFactory.Options options = new BitmapFactory.Options();
    options.inSampleSize = sampleSize;

    AssetFileDescriptor fileDescriptor = null;
    try {
    fileDescriptor = context.getContentResolver().openAssetFileDescriptor(theUri, "r");
    } catch (FileNotFoundException e) {
    e.printStackTrace();
    }

    Bitmap actuallyUsableBitmap = BitmapFactory.decodeFileDescriptor(
    fileDescriptor.getFileDescriptor(), null, options);

    Log.d(TAG, options.inSampleSize + " sample method bitmap ... " +
    actuallyUsableBitmap.getWidth() + " " + actuallyUsableBitmap.getHeight());

    return actuallyUsableBitmap;
    }

    private static Bitmap getImageResized(Context context, Uri selectedImage) {
    Bitmap bm = null;
    int sampleSize = 7; // TODO improve resizer
    do {
    sampleSize -= 2;
    bm = decodeBitmap(context, selectedImage, sampleSize);
    Log.d(TAG, "resizer: new bitmap width = " + bm.getWidth());
    } while (bm.getWidth() < minWidthQuality && sampleSize > 1);
    return bm;
    }

    private static Bitmap rotateIfNeeded(Context context, Bitmap bm, File imageFile) {
    int rot = getCameraPhotoOrientation(context, imageFile);
    if (rot != 0) {
    bm = new RotateOrientation().RotateOrientationCall(bm, rot);
    }
    // saveBitmap(imageFile, bm);
    return bm;
    }

    // private static void saveBitmap(File imageFile, Bitmap bm) {
    // Log.d(TAG, "Saving image ... ");
    // imageFile.getParentFile().mkdirs();
    // FileOutputStream out = null;
    // try {
    // out = new FileOutputStream(imageFile);
    // bm.compress(Bitmap.CompressFormat.PNG, 90, out);
    // } catch (Exception e) {
    // e.printStackTrace();
    // } finally {
    // try {
    // if (out != null) {
    // out.close();
    // }
    // } catch (IOException e) {
    // e.printStackTrace();
    // }
    // }
    // Log.d(TAG, "Image saved");
    // }



    private static int getCameraPhotoOrientation(Context context, File imageFile) {
    int rotate = 0;
    try {

    context.getContentResolver().notifyChange(Uri.fromFile(imageFile), null);
    ExifInterface exif = new ExifInterface(imageFile.getAbsolutePath());
    int orientation = exif.getAttributeInt(
    ExifInterface.TAG_ORIENTATION,
    ExifInterface.ORIENTATION_NORMAL);

    switch (orientation) {
    case ExifInterface.ORIENTATION_ROTATE_270:
    rotate = 270;
    break;
    case ExifInterface.ORIENTATION_ROTATE_180:
    rotate = 180;
    break;
    case ExifInterface.ORIENTATION_ROTATE_90:
    rotate = 90;
    break;
    }


    Log.d(TAG, "Exit orientation: " + orientation);
    } catch (Exception e) {
    e.printStackTrace();
    }
    return rotate;
    }

    private static class RotateOrientation {

    Bitmap RotateOrientationCall(Bitmap src, float degree) {
    Matrix matrix = new Matrix();
    matrix.postRotate(degree);
    Bitmap bmOut = Bitmap.createBitmap(src, 0, 0, src.getWidth(), src.getHeight(), matrix, true);
    return bmOut;

    }
    }
    }