com.geekandroid.sdk.sample.crop.ResultActivity.java Source code

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Here is the source code for com.geekandroid.sdk.sample.crop.ResultActivity.java

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/*******************************************************************************
 *
 * Copyright (c) 2016 Mickael Gizthon . All rights reserved. Email:2013mzhou@gmail.com
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/

package com.geekandroid.sdk.sample.crop;

import android.Manifest;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.support.annotation.NonNull;
import android.support.v4.app.ActivityCompat;
import android.support.v4.app.NotificationCompat;
import android.support.v7.app.ActionBar;
import android.support.v7.widget.Toolbar;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.ImageView;
import android.widget.Toast;

import com.geekandroid.sdk.sample.R;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.nio.channels.FileChannel;
import java.util.Calendar;

/**
 * Created by Oleksii Shliama (https://github.com/shliama).
 */
public class ResultActivity extends CropBaseActivity {

    private static final String TAG = "ResultActivity";
    private static final int DOWNLOAD_NOTIFICATION_ID_DONE = 911;

    public static void startWithUri(@NonNull Context context, @NonNull Uri uri) {
        Intent intent = new Intent(context, ResultActivity.class);
        intent.setData(uri);
        context.startActivity(intent);
    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_result);

        ((ImageView) findViewById(R.id.image_view_preview)).setImageURI(getIntent().getData());

        final BitmapFactory.Options options = new BitmapFactory.Options();
        options.inJustDecodeBounds = true;
        BitmapFactory.decodeFile(new File(getIntent().getData().getPath()).getAbsolutePath(), options);

        setSupportActionBar((Toolbar) findViewById(R.id.toolbar));
        final ActionBar actionBar = getSupportActionBar();
        if (actionBar != null) {
            actionBar.setDisplayHomeAsUpEnabled(true);
            actionBar.setTitle(getString(R.string.format_crop_result_d_d, options.outWidth, options.outHeight));
        }
    }

    @Override
    public boolean onCreateOptionsMenu(final Menu menu) {
        getMenuInflater().inflate(R.menu.menu_result, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        if (item.getItemId() == R.id.menu_download) {
            saveCroppedImage();
        } else if (item.getItemId() == android.R.id.home) {
            onBackPressed();
        }
        return super.onOptionsItemSelected(item);
    }

    /**
     * Callback received when a permissions request has been completed.
     */
    @Override
    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions,
            @NonNull int[] grantResults) {
        switch (requestCode) {
        case REQUEST_STORAGE_WRITE_ACCESS_PERMISSION:
            if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                saveCroppedImage();
            }
            break;
        default:
            super.onRequestPermissionsResult(requestCode, permissions, grantResults);
        }
    }

    private void saveCroppedImage() {
        if (ActivityCompat.checkSelfPermission(this,
                Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
            requestPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE,
                    getString(R.string.permission_write_storage_rationale),
                    REQUEST_STORAGE_WRITE_ACCESS_PERMISSION);
        } else {
            Uri imageUri = getIntent().getData();
            if (imageUri != null && imageUri.getScheme().equals("file")) {
                try {
                    copyFileToDownloads(getIntent().getData());
                } catch (Exception e) {
                    Toast.makeText(ResultActivity.this, e.getMessage(), Toast.LENGTH_SHORT).show();
                    Log.e(TAG, imageUri.toString(), e);
                }
            } else {
                Toast.makeText(ResultActivity.this, getString(R.string.toast_unexpected_error), Toast.LENGTH_SHORT)
                        .show();
            }
        }
    }

    private void copyFileToDownloads(Uri croppedFileUri) throws Exception {
        String downloadsDirectoryPath = Environment
                .getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS).getAbsolutePath();
        String filename = String.format("%d_%s", Calendar.getInstance().getTimeInMillis(),
                croppedFileUri.getLastPathSegment());

        File saveFile = new File(downloadsDirectoryPath, filename);

        FileInputStream inStream = new FileInputStream(new File(croppedFileUri.getPath()));
        FileOutputStream outStream = new FileOutputStream(saveFile);
        FileChannel inChannel = inStream.getChannel();
        FileChannel outChannel = outStream.getChannel();
        inChannel.transferTo(0, inChannel.size(), outChannel);
        inStream.close();
        outStream.close();

        showNotification(saveFile);
    }

    private void showNotification(@NonNull File file) {
        Intent intent = new Intent(Intent.ACTION_VIEW);
        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        intent.setDataAndType(Uri.fromFile(file), "image/*");

        NotificationCompat.Builder mNotification = new NotificationCompat.Builder(this);

        mNotification.setContentTitle(getString(R.string.app_name))
                .setContentText(getString(R.string.notification_image_saved_click_to_preview))
                .setTicker(getString(R.string.notification_image_saved)).setSmallIcon(R.drawable.ic_done)
                .setOngoing(false).setContentIntent(PendingIntent.getActivity(this, 0, intent, 0))
                .setAutoCancel(true);
        ((NotificationManager) getSystemService(NOTIFICATION_SERVICE)).notify(DOWNLOAD_NOTIFICATION_ID_DONE,
                mNotification.build());
    }

}