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e4237c21
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Copyright 2016 Leszek Koltunski //
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// //
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71c8884f
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Leszek Koltunski
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// This file is part of Distorted. //
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e4237c21
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Leszek Koltunski
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// //
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71c8884f
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Leszek Koltunski
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// Distorted is free software: you can redistribute it and/or modify //
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e4237c21
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Leszek Koltunski
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation, either version 2 of the License, or //
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// (at your option) any later version. //
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// //
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71c8884f
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Leszek Koltunski
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// Distorted is distributed in the hope that it will be useful, //
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e4237c21
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Leszek Koltunski
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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71c8884f
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Leszek Koltunski
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// along with Distorted. If not, see <http://www.gnu.org/licenses/>. //
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e4237c21
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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package org.distorted.examples.save;
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import android.app.Activity;
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88d9ff62
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Leszek Koltunski
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import android.content.Intent;
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e4237c21
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Leszek Koltunski
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import android.graphics.Bitmap;
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88d9ff62
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Leszek Koltunski
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import android.net.Uri;
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e4237c21
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Leszek Koltunski
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import android.widget.Toast;
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import java.io.BufferedOutputStream;
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88d9ff62
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Leszek Koltunski
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import java.io.File;
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e4237c21
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Leszek Koltunski
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.lang.ref.WeakReference;
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import java.nio.ByteBuffer;
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import java.util.Vector;
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a5ef195e
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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13a5c5cd
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Leszek Koltunski
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class SaveWorkerThread extends Thread
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e4237c21
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Leszek Koltunski
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{
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private static Vector<WorkLoad> mBuffers;
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private static SaveWorkerThread mThis=null;
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private static WeakReference<Activity> mWeakAct;
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private static class WorkLoad
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{
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ByteBuffer buffer;
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int width;
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int height;
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String filename;
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WorkLoad(ByteBuffer buf, int w, int h, String name)
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{
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buffer = buf;
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width = w;
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height = h;
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filename = name;
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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e3efd628
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Leszek Koltunski
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private SaveWorkerThread()
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e4237c21
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Leszek Koltunski
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{
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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01d34e10
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Leszek Koltunski
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static void create(Activity act)
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e4237c21
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Leszek Koltunski
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{
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mWeakAct = new WeakReference<>(act);
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e4237c21
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Leszek Koltunski
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if( mThis==null )
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{
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mBuffers = new Vector<>();
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mThis = new SaveWorkerThread();
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mThis.start();
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void run()
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{
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WorkLoad load;
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while(true)
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{
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01d34e10
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Leszek Koltunski
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synchronized(mThis)
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e4237c21
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Leszek Koltunski
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{
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ddcfc2c2
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while( mBuffers.size()>0 )
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{
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load = mBuffers.remove(0);
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process(load);
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}
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01d34e10
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try { mThis.wait(); }
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catch(InterruptedException ex) { }
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e4237c21
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Leszek Koltunski
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}
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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static void newBuffer(ByteBuffer buffer, int width, int height, String filename)
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{
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01d34e10
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Leszek Koltunski
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synchronized(mThis)
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{
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ddcfc2c2
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Leszek Koltunski
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WorkLoad load = new WorkLoad(buffer,width,height,filename);
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mBuffers.add(load);
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01d34e10
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Leszek Koltunski
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mThis.notify();
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}
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e4237c21
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Leszek Koltunski
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private void process(WorkLoad load)
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{
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ByteBuffer buf = load.buffer;
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int width = load.width;
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int height = load.height;
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final String filename = load.filename;
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byte[] tmp1 = new byte[width*4];
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byte[] tmp2 = new byte[width*4];
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for(int i=0; i<height/2; i++)
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{
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buf.position(( i)*width*4); // GL uses a coordinate system from mathematics; i.e.
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buf.get(tmp1); // (0,0) is in the lower-left corner. 2D stuff has
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buf.position((height-1-i)*width*4); // the origin on the upper-left corner; we have to flip
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2845af2d
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Leszek Koltunski
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buf.get(tmp2); // our bitmap upside down!
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e4237c21
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Leszek Koltunski
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buf.position(( i)*width*4);
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buf.put(tmp2);
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buf.position((height-1-i)*width*4);
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buf.put(tmp1);
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}
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buf.rewind();
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BufferedOutputStream bos =null;
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final Activity act = mWeakAct.get();
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try
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{
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bos = new BufferedOutputStream(new FileOutputStream(filename));
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Bitmap bmp = Bitmap.createBitmap( width, height, Bitmap.Config.ARGB_8888);
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bmp.copyPixelsFromBuffer(buf);
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bmp.compress(Bitmap.CompressFormat.PNG, 90, bos);
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bmp.recycle();
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act.runOnUiThread(new Runnable()
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{
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public void run()
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{
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Toast.makeText(act,
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"Saving to \n\n"+filename+"\n\nsuccessful" ,
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Toast.LENGTH_LONG).show();
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}
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});
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}
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catch(final Exception ex)
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{
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act.runOnUiThread(new Runnable()
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{
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public void run()
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{
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Toast.makeText(act,
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"Saving to \n\n"+filename+"\n\n failed: "+"\n\n"+ex.getMessage() ,
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Toast.LENGTH_LONG).show();
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}
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});
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}
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finally
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{
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if(bos!=null)
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{
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try { bos.close(); }
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catch(IOException io) {}
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}
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}
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88d9ff62
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Leszek Koltunski
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Intent mediaScanIntent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
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File f = new File(filename);
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Uri contentUri = Uri.fromFile(f);
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mediaScanIntent.setData(contentUri);
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act.sendBroadcast(mediaScanIntent);
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e4237c21
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Leszek Koltunski
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}
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}
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