10-19 21:03:21.283: E/AndroidRuntime(341): FATAL EXCEPTION: main
10-19 21:03:21.283: E/AndroidRuntime(341): java.lang.RuntimeException: Error receiving broadcast Intent { act=android.intent.action.DOWNLOAD_COMPLETE pkg=br.mestrado.xbrl (has extras) } in br.mestrado.xbrl.XBRL_NEWActivity$1@405268f0
10-19 21:03:21.283: E/AndroidRuntime(341):  at android.app.LoadedApk$ReceiverDispatcher$Args.run(LoadedApk.java:722)
10-19 21:03:21.283: E/AndroidRuntime(341):  at android.os.Handler.handleCallback(Handler.java:587)
10-19 21:03:21.283: E/AndroidRuntime(341):  at android.os.Handler.dispatchMessage(Handler.java:92)
10-19 21:03:21.283: E/AndroidRuntime(341):  at android.os.Looper.loop(Looper.java:123)
10-19 21:03:21.283: E/AndroidRuntime(341):  at android.app.ActivityThread.main(ActivityThread.java:3683)
10-19 21:03:21.283: E/AndroidRuntime(341):  at java.lang.reflect.Method.invokeNative(Native Method)
10-19 21:03:21.283: E/AndroidRuntime(341):  at java.lang.reflect.Method.invoke(Method.java:507)
10-19 21:03:21.283: E/AndroidRuntime(341):  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
10-19 21:03:21.283: E/AndroidRuntime(341):  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
10-19 21:03:21.283: E/AndroidRuntime(341):  at dalvik.system.NativeStart.main(Native Method)
10-19 21:03:21.283: E/AndroidRuntime(341): Caused by: java.lang.NullPointerException
10-19 21:03:21.283: E/AndroidRuntime(341):  at br.mestrado.xbrl.XBRL_NEWActivity$1.onReceive(XBRL_NEWActivity.java:67)
10-19 21:03:21.283: E/AndroidRuntime(341):  at android.app.LoadedApk$ReceiverDispatcher$Args.run(LoadedApk.java:709)
10-19 21:03:21.283: E/AndroidRuntime(341):  ... 9 more
 

package br.mestrado.xbrl;


import br.mestrado.xbrl.R.id;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.DownloadManager.Query;
import android.net.Uri;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.widget.ImageView;
import android.app.DownloadManager;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.database.Cursor;
import android.view.*;
import android.app.*;
import android.app.DownloadManager.Request;


public class XBRL_NEWActivity extends Activity {
    private long enqueue;
    private DownloadManager dm;
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
       
    }
   
    @Override
    public boolean onCreateOptionsMenu(Menu menu){
       
        MenuInflater menuinflater = getMenuInflater();
        menuinflater.inflate(R.menu.listamenu, menu);
        return true;
    }
   
    @Override
    //Ação para cada botão do menu
    public boolean onOptionsItemSelected(MenuItem itemMenu){
       
        switch(itemMenu.getItemId()){
        case  id.baixar:
            //mensagemExibir("Baixar", "Baixar");
            BroadcastReceiver receiver = new BroadcastReceiver() {
               
                @Override
                public void onReceive(Context context, Intent intent) {
                    // TODO Auto-generated method stub
                    String action = intent.getAction();
                    if (DownloadManager.ACTION_DOWNLOAD_COMPLETE.equals(action)){
                        long downloadId = intent.getLongExtra(DownloadManager.EXTRA_DOWNLOAD_ID,0);
                        Query query = new Query();
                        query.setFilterById(enqueue);
                        Cursor c = dm.query(query);
                        if (c.moveToFirst()){
                            int columnIndex = c.getColumnIndex(DownloadManager.COLUMN_STATUS);
                            if (DownloadManager.STATUS_SUCCESSFUL == c.getInt(columnIndex)){
                                ImageView view = (ImageView)findViewById(R.drawable.ic_launcher);
                                String uriString = c.getString(c.getColumnIndex(DownloadManager.COLUMN_LOCAL_URI));
                                view.setImageURI(Uri.parse(uriString));
                            }
                        }// Final do segundo if
                    } // Final do primeiro if
                }
            };
            registerReceiver(receiver,new IntentFilter(DownloadManager.ACTION_DOWNLOAD_COMPLETE));
           
            dm = (DownloadManager)getSystemService(DOWNLOAD_SERVICE);
            Request request = new Request(Uri.parse("http://media.iasb.org/ixbrl_example2_2012-03-29.xhtml"));
            enqueue = dm.enqueue(request);
   
            Intent i = new Intent();
            i.setAction(DownloadManager.ACTION_VIEW_DOWNLOADS);
            startActivity(i);
           
        break;
       
        }//switch
        return super.onOptionsItemSelected(itemMenu);
    }// final do metodo onOptionsItemSelected
   
   
   
}

 

                             ImageView view = (ImageView)findViewById(R.drawable.ic_launcher);
                                String uriString = c.getString(c.getColumnIndex(DownloadManager.COLUMN_LOCAL_URI));
                                view.setImageURI(Uri.parse(uriString));

ImageView view = (ImageView)findViewById("aqui dentro vc deve colocar o id do seu componente ImageView que fica dentro do seu XML de layout (R.layout.main)");