org.thezero.qrfi.MainActivity.java Source code

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Here is the source code for org.thezero.qrfi.MainActivity.java

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/*
 * Copyright (C) 2013 Andreas Stuetz <andreas.stuetz@gmail.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * 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 org.thezero.qrfi;

import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.view.ViewPager;
import android.support.v7.app.ActionBarActivity;
import android.support.v7.widget.Toolbar;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.Toast;

import com.astuetz.PagerSlidingTabStrip;
import com.google.zxing.BinaryBitmap;
import com.google.zxing.MultiFormatReader;
import com.google.zxing.NotFoundException;
import com.google.zxing.RGBLuminanceSource;
import com.google.zxing.Result;
import com.google.zxing.common.HybridBinarizer;
import com.jooik.tabbeddialog.fragments.FragmentDialog;

import java.io.FileNotFoundException;
import java.io.InputStream;

public class MainActivity extends ActionBarActivity {

    PagerSlidingTabStrip tabs;
    ViewPager pager;

    @SuppressWarnings("FieldCanBeLocal")
    private static String TAG = "QRFi::Main";

    public static Context c;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        tabs = (PagerSlidingTabStrip) findViewById(R.id.tabs);
        pager = (ViewPager) findViewById(R.id.pager);
        c = this;

        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        toolbar.setTitleTextColor(getResources().getColor(R.color.primary_text));
        toolbar.setLogo(R.drawable.wifi2);
        setSupportActionBar(toolbar);
        getSupportActionBar().setDisplayShowHomeEnabled(true);

        MyPagerAdapter adapter = new MyPagerAdapter(getSupportFragmentManager());
        pager.setAdapter(adapter);
        tabs.setViewPager(pager);
        pager.setCurrentItem(1);

        Intent intent = getIntent();
        String action = intent.getAction();
        String type = intent.getType();

        if (Intent.ACTION_SEND.equals(action) && type != null) {
            if (type.startsWith("image/")) {
                Uri imageUri = intent.getParcelableExtra(Intent.EXTRA_STREAM);
                handleDecodeImage(imageUri); // Handle single image being sent
            }
        }

    }

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

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        int id = item.getItemId();

        switch (id) {
        case R.id.action_about:
            FragmentManager fm = getSupportFragmentManager();
            FragmentDialog overlay = new FragmentDialog();
            overlay.show(fm, "FragmentDialog");
            return true;
        }
        return false;
    }

    @Override
    protected void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
    }

    @Override
    protected void onRestoreInstanceState(@NonNull Bundle savedInstanceState) {
        super.onRestoreInstanceState(savedInstanceState);
    }

    public class MyPagerAdapter extends FragmentPagerAdapter {

        private final String[] TITLES = { getString(R.string.generate), getString(R.string.scan) };

        public MyPagerAdapter(FragmentManager fm) {
            super(fm);
        }

        @Override
        public CharSequence getPageTitle(int position) {
            return TITLES[position];
        }

        @Override
        public int getCount() {
            return TITLES.length;
        }

        @Override
        public Fragment getItem(int position) {
            return SuperAwesomeCardFragment.newInstance(position, getBaseContext());
        }
    }

    public static void handleDecodeImage(Uri imageUri) {
        if (imageUri != null) {
            try {
                InputStream inputStream = c.getContentResolver().openInputStream(imageUri);
                Bitmap bitmap = BitmapFactory.decodeStream(inputStream);
                if (bitmap == null) {
                    Log.e(TAG, "uri is not a bitmap," + imageUri.toString());
                    return;
                }
                int width = bitmap.getWidth(), height = bitmap.getHeight();
                int[] pixels = new int[width * height];
                bitmap.getPixels(pixels, 0, width, 0, 0, width, height);
                bitmap.recycle();
                //noinspection UnusedAssignment
                bitmap = null;
                RGBLuminanceSource source = new RGBLuminanceSource(width, height, pixels);
                BinaryBitmap bBitmap = new BinaryBitmap(new HybridBinarizer(source));
                MultiFormatReader reader = new MultiFormatReader();
                try {
                    Result result = reader.decode(bBitmap);
                    //Toast.makeText(c, result.getText(), Toast.LENGTH_SHORT).show();
                    SuperAwesomeCardFragment.connectAP(result);
                } catch (NotFoundException e) {
                    Toast.makeText(c, c.getString(R.string.error_decode), Toast.LENGTH_SHORT).show();
                }
            } catch (FileNotFoundException e) {
                Log.e(TAG, "can not open file" + imageUri.toString(), e);
            }
        }
    }
}