CropExample.java

package com.marshalchen.common.demoofui.sampleModules;

import android.app.Activity;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;

import android.widget.ImageView;
import android.widget.Toast;

import com.marshalchen.common.demoofui.R;
import com.marshalchen.common.uimodule.cropimage.Crop;

import java.io.File;

public class CropExample extends Activity {

    private ImageView resultView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.crop_activity);
        resultView = (ImageView) findViewById(R.id.result_image);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.crop_activity, menu);
        return super.onCreateOptionsMenu(menu);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        if (item.getItemId() == R.id.action_select) {
            resultView.setImageDrawable(null);
            Crop.pickImage(this);
            return true;
        }
        return super.onOptionsItemSelected(item);
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent result) {
        if (requestCode == Crop.REQUEST_PICK && resultCode == RESULT_OK) {
            beginCrop(result.getData());
        } else if (requestCode == Crop.REQUEST_CROP) {
            handleCrop(resultCode, result);
        }
    }

    private void beginCrop(Uri source) {
        Uri outputUri = Uri.fromFile(new File(getCacheDir(), "cropped"));
        new Crop(source).output(outputUri).asSquare().start(this);
    }

    private void handleCrop(int resultCode, Intent result) {
        if (resultCode == RESULT_OK) {
            resultView.setImageURI(Crop.getOutput(result));
        } else if (resultCode == Crop.RESULT_ERROR) {
            Toast.makeText(this, Crop.getError(result).getMessage(), Toast.LENGTH_SHORT).show();
        }
    }

}