Android Open Source - simple-wallpaper-extractor-android Main Activity

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License

The source code is released under:

Copyright (c) 2012-2013, Appify Inc. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. Unless required by appl...

Java Source Code

/*
 * Copyright (C) 2013 DeAngelo Mannie//from w  w  w .  ja va2  s  .  c  om
 *
 * 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 com.nivler.android.wallpaperextractor;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.UUID;

import android.app.Activity;
import android.app.WallpaperManager;
import android.graphics.Bitmap;
import android.graphics.Bitmap.Config;
import android.graphics.Canvas;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.os.Environment;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

import com.nivler.android.wallpaperextractor.helper.MediaScannerNotifier;
import com.nivler.android.wallpaperextractor.util.Util;

public class MainActivity extends Activity {
  private static final String TAG = MainActivity.class.getSimpleName();
  
  private String SAVE_LOCATION = Environment.getExternalStorageDirectory().toString();
  private String basePath = SAVE_LOCATION + "/Pictures/Wallpaper Extractor";
  
  private Button getWallpaper;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    
    getWallpaper = (Button)findViewById(R.id.wallpaper_selector);
    
    getWallpaper.setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
        grabWallpaper();
      }
    });
  }
  
  private void grabWallpaper() {
    WallpaperManager manager = WallpaperManager.getInstance(this);
    
    if (Util.isExternalStorageWritable() && Util.isExternalStorageReadable() && !Util.isLiveWallpaper(manager)) {
      FileOutputStream out;
      
      File dir = new File(basePath);
      File output = new File(dir, "Image-" + UUID.randomUUID() + ".jpg");
      
      if (!dir.exists()) {
        dir.mkdirs();
      }
      
      try {
        out = new FileOutputStream(output);
        
        Drawable drawable = manager.getFastDrawable();
        Bitmap saveBitmap = null;
        
        saveBitmap = drawableToBitmap(drawable);
        saveBitmap.compress(Bitmap.CompressFormat.JPEG, 90, out);
        out.flush();
        out.close();
        
        new MediaScannerNotifier(this, output.toString(), "image/jpeg"); 
        Toast.makeText(this, "Image Saved Successfully", Toast.LENGTH_SHORT).show();
      } catch (FileNotFoundException e) {
        Log.e(TAG, e.getMessage());
      } catch (IOException e) {
        Log.e(TAG, e.getMessage());
      }
    } else if (!Util.isExternalStorageWritable()) {
      Toast.makeText(this, "SD Card Mounted, Unable to save image!", Toast.LENGTH_SHORT).show();
    } else if (Util.isLiveWallpaper(manager)) {
      Toast.makeText(this, "Cannot save static images from live wallpaper!", Toast.LENGTH_SHORT).show();
    }
  }
  
  public Bitmap drawableToBitmap (Drawable drawable) {
      if (drawable instanceof BitmapDrawable) {
          return ((BitmapDrawable)drawable).getBitmap();
      }

      Bitmap bitmap = Bitmap.createBitmap(drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight(), Config.ARGB_8888);
      Canvas canvas = new Canvas(bitmap); 
      drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
      drawable.draw(canvas);

      return bitmap;
  }
}

Java Source Code List

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