Let user crop image

Question

I am having a hard time in figuring out how to let the user crop the picture. I would like to give bitmap variable with loaded bitmap to crop the picture before setting it a

Answer 1

Ok Dear Here I put my Whole code of Crop Image In Android. This the Global variable.

    //This For Image Crop
        /**
         *  Uri for set image crop option .
         */
        private Uri mImageCaptureUri;
        /**
         *  int for set key and get key from result activity . 
         */
        public final int CROP_FROM_CAMERA = 0;

/**
     * Bitmap for apply Crop Operation Result.
     */
    private Bitmap _tempOpration;

    //This is Crop Method.

/**
     * Method for apply Crop .
     * @param filePath -  String path of file .
     */
    private void doCrop(String filePath){
        try{
            //New Flow
            mImageCaptureUri = Uri.fromFile(new File(filePath));

            final ArrayList<CropOption> cropOptions = new ArrayList<CropOption>();
            Intent intent = new Intent("com.android.camera.action.CROP");
            intent.setType("image/*");
            List<ResolveInfo> list = getPackageManager().queryIntentActivities( intent, 0 );

            int size = list.size();
            if (size == 0) 
            {           
                Toast.makeText(this, "Can not find image crop app", Toast.LENGTH_SHORT).show();
                return;
            }
            else 
            {
                intent.setData(mImageCaptureUri);
                intent.putExtra("outputX", 300);
                intent.putExtra("outputY", 300);
                intent.putExtra("aspectX", 1);
                intent.putExtra("aspectY", 1);
                intent.putExtra("scale", true);
                intent.putExtra("return-data", true);

                if (size == 1) 
                {
                    Intent i = new Intent(intent);
                    ResolveInfo res = list.get(0);
                    i.setComponent( new ComponentName(res.activityInfo.packageName, res.activityInfo.name));
                    startActivityForResult(i, CROP_FROM_CAMERA);
                }

                else
                {
                    for (ResolveInfo res : list) 
                    {
                        final CropOption co = new CropOption();
                        co.title = getPackageManager().getApplicationLabel(res.activityInfo.applicationInfo);
                        co.icon = getPackageManager().getApplicationIcon(res.activityInfo.applicationInfo);
                        co.appIntent= new Intent(intent);
                        co.appIntent.setComponent( new ComponentName(res.activityInfo.packageName, res.activityInfo.name));
                        cropOptions.add(co);
                    }

                    CropOptionAdapter adapter = new CropOptionAdapter(getApplicationContext(), cropOptions);
                    AlertDialog.Builder builder = new AlertDialog.Builder(this);
                    builder.setTitle("Choose Crop App");
                    builder.setAdapter( adapter, new DialogInterface.OnClickListener()
                    {
                        public void onClick( DialogInterface dialog, int item )
                        {
                            startActivityForResult( cropOptions.get(item).appIntent, CROP_FROM_CAMERA);
                        }
                    });

                    builder.setOnCancelListener( new DialogInterface.OnCancelListener() 
                    {
                        public void onCancel( DialogInterface dialog ) 
                        {
                            if (mImageCaptureUri != null ) 
                            {
                                getContentResolver().delete(mImageCaptureUri, null, null );
                                mImageCaptureUri = null;
                            }
                        }
                    } );
                    AlertDialog alert = builder.create();
                    alert.show();
                }
            }
        }
        catch (Exception ex) 
        {
            genHelper.showErrorLog("Error in Crop Function-->"+ex.toString());
        }
    }

This is the another Class witch use for find Crop Activity Intent in Application.

CropOption Class.

public class CropOption 
{
    public CharSequence title;
    public Drawable icon;
    public Intent appIntent;
}

this is use For Display List.

CropOptionAdapter

public class CropOptionAdapter extends ArrayAdapter<CropOption> 
{
    private ArrayList<CropOption> mOptions;
    private LayoutInflater mInflater;

    public CropOptionAdapter(Context context, ArrayList<CropOption> options) 
    {
        super(context, R.layout.crop_selector, options);

        mOptions    = options;

        mInflater   = LayoutInflater.from(context);
    }

    @Override
    public View getView(int position, View convertView, ViewGroup group)
    {
        if (convertView == null)
            convertView = mInflater.inflate(R.layout.crop_selector, null);

        CropOption item = mOptions.get(position);

        if (item != null) {
            ((ImageView) convertView.findViewById(R.id.iv_icon)).setImageDrawable(item.icon);
            ((TextView) convertView.findViewById(R.id.tv_name)).setText(item.title);

            return convertView;
        }

        return null;
    }
}

Layout File For CropOptionAdapter

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:padding="10dp"
    android:gravity="center_vertical">

    <ImageView
        android:id="@+id/iv_icon"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"/>

    <TextView
        android:id="@+id/tv_name"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text=""/>
</LinearLayout>

This is the resultActivity.witch give the crop image.

/**
     * @see android.app.Activity#onActivityResult(int, int, android.content.Intent)
     */
    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) 
    {
        super.onActivityResult(requestCode, resultCode, data);
        if (resultCode != RESULT_OK) return;
        switch (requestCode)
        {
        case CROP_FROM_CAMERA:
            if (data == null) 
            {
                genHelper.showToast("No Crop Activity in This");
                return;
            }
            final Bundle extras = data.getExtras();
            if (extras != null) 
            {
                try 
                {

                    _tempOpration=extras.getParcelable("data");
                    imageLayout.setImageBitmap(_tempOpration);
                    _tempOpration=null;

                } 
                catch (Exception e) 
                {
                    e.printStackTrace();
                }
            }
            break;
        }

    }

//Do This Type It's work on my live app.

genHelper.showToast("No Crop Activity in This");

is my general Class to help display toast message and Error Log.

Bestof Luck.

Answer 2

As mentioned in similar threads, Android does not have an official crop intent (https://commonsware.com/blog/2013/01/23/no-android-does-not-have-crop-intent.html), so I would stay away from using "com.android.camera.action.CROP".

However, in the time since this question was originally posted, Android has added a new API in Kitkat (level 19) that allows users to summon a crop-this-image-and-set-as-wallpaper Activity. See WallpaperManager.getCropAndSetWallpaperIntent(), and this might address your original question.

Answer 3

First, variables:

final int PIC_CROP = 2;

Uri imageUri;
Bitmap thePic;

Before you take a pic from your Camera or your Gallery, put your image into a Uri (imageUri) , use a method called here as "performCrop()" inside try/catch:

 private void performCrop(){
        try {
            Intent intent = new Intent("com.android.camera.action.CROP"); 
            intent.setType("image/*");

            List<ResolveInfo> list = getPackageManager().queryIntentActivities( intent, 0 );
            int size = list.size();

            if (size >= 0) {
                intent.setData(imageUri);        
                intent.putExtra("crop", "false");
                intent.putExtra("aspectX", 1);
                intent.putExtra("aspectY", 1);
                intent.putExtra("outputX", 256);
                intent.putExtra("outputY", 256);
                intent.putExtra("scale", true);  
                intent.putExtra("return-data", true);

                Intent i = new Intent(intent);
                ResolveInfo res = list.get(0);
                i.setComponent( new ComponentName(res.activityInfo.packageName, res.activityInfo.name));

                startActivityForResult(i, PIC_CROP);  
            } 

        }
        catch(ActivityNotFoundException anfe){
            String errorMessage = "Whoops - your device doesn't support the crop action!";
            Toast toast = Toast.makeText(this, errorMessage, Toast.LENGTH_SHORT);
            toast.show();
        }
    }

On method onActivityResult:

@Override
    protected void onActivityResult(int requestCode, int resultCode, Intent intent) {

        if(requestCode == PIC_CROP){

        if (resultCode == RESULT_OK) {
            Bundle extras = intent.getExtras();
            thePic = extras.getParcelable("data");
            imageViewPhoto.setImageBitmap(thePic); //in my case, set the image on screen

        }else{
            //do something
        }
    }
}

Answer 4

I also had the problem using the camera and ACTION_PICK that the returned image was very small despite the passed resolution being much larger. I got around this storing the resulted crop image in a temporary file

// temporary storage location, preferably in your cache directory
private final String tempFilePath = "somePath";

// URI instantiated with your temporary storage location
private Uri tempuri = Uri.fromFile(new File(tempFilePath));

// code for startActivityForResult
private final static int ACTIVITY_CROP_IMAGE = 1;

and calling the intent like this

Intent photoPickerIntent = new Intent(Intent.ACTION_PICK, android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
photoPickerIntent.setType("image/*");
photoPickerIntent.putExtra("crop", "true");
photoPickerIntent.putExtra("aspectX", wallpaperWidth);
photoPickerIntent.putExtra("aspectY", wallpaperHeight);
photoPickerIntent.putExtra(MediaStore.EXTRA_OUTPUT, tempuri);
photoPickerIntent.putExtra("outputFormat", Bitmap.CompressFormat.JPEG.toString());
startActivityForResult(photoPickerIntent, ACTIVITY_CROP_IMAGE);

and then in onActivityResult

protected void onActivityResult(int requestCode, int resultCode, Intent data) 
{
    if (resultCode != RESULT_OK) 
        return;

    if(requestCode == ACTIVITY_CROP_IMAGE) 
    {
        try 
        {
            Bitmap bmp = BitmapFactory.decodeFile(tempFilePath);
            if(bmp != null)
            {
                WallpaperManager myWallpaperManager = WallpaperManager.getInstance(getApplicationContext());
                myWallpaperManager.setBitmap(bmp);
            }
        } 
        catch (IOException e) 
        {
            e.printStackTrace();
        }
        finally
        {
            if(tempFilePath != null)
            {
                File tempFile = new File(tempFilePath);
                if(tempFile.exists())
                {
                    tempFile.delete();
                }
            }
        }
    }
}

I constructed the above code from the top of my head and didn't actually compile any of it. But the basics are correct and you should get the hang ;-)