Android Question donwload list image url web

ivanomonti · Sep 7, 2015

I need to download images from a link, I downloaded this code, but sometimes I crash ... but I do not view errors

B4X:

Sub Download (ImageViewsMap As Map)   
    For i = 0 To ImageViewsMap.Size - 1
        tasks.Put(ImageViewsMap.GetKeyAt(i), ImageViewsMap.GetValueAt(i))
        Dim link As String = ImageViewsMap.GetValueAt(i)
        If cache.ContainsKey(link) Then
            Dim iv As ImageView = ImageViewsMap.GetKeyAt(i)
            CenterBitmap(iv,cache.Get(link))
        Else If ongoingTasks.ContainsKey(link) = False Then
            ongoingTasks.Put(link, "")
            Dim j As HttpJob
            j.Initialize(link, Me)
            j.Download(link)
        End If
    Next
End Sub

B4X:

Sub CenterBitmap(iv As View, bmpT As Bitmap)
    Private bmp As Bitmap = bmpT
    Private cvs As Canvas
    cvs.Initialize(iv)
  
    Dim rectDest As Rect
    Dim delta As Int
    If bmp.Width / bmp.Height > iv.Width / iv.Height Then
        delta = (iv.Height - bmp.Height / bmp.Width * iv.Width) / 2
        rectDest.Initialize(0, delta,iv.Width, iv.Height - delta)
    Else
        delta = (iv.Width - bmp.Width / bmp.Height * iv.Height) / 2
        rectDest.Initialize(delta, 0, iv.Width - delta, iv.Height)
    End If
    cvs.DrawBitmap(bmp, Null, rectDest)
    iv.Invalidate
End Sub

B4X:

** Service (imagedownloader) Destroy **
** Activity (main) Create, isFirst = true **
** Activity (main) Resume **
** Service (httputils2service) Create **
** Service (httputils2service) Start **
** Service (httputils2service) Start **
city: [{"city":"Saronno VA"},{"city":"Solaro MI"}]
category: [{"category":"Bar"},{"category":"Hotel"},{"category":"Personal Trainer"},{"category":"Pizzerie"},{"category":"Ristoranti"}]
SELECT * FROM (SELECT * FROM `post` AS T1 where category = 'Hotel' OR category = 'Residence' OR category = 'Agriturismo' OR category = 'Case vacanze' OR category = 'Ostelli' OR category = 'Masserie' OR category = 'Bed & bredfast' OR category = 'Campeggi' OR category = 'Rifuggi' OR category = 'Stabilimenti balneari') AS t2 where city like '%Saronno VA%' and visible='true'
Message longer than Log limit (4000). Message was truncated.
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Message longer than Log limit (4000). Message was truncated.
** Service (imagedownloader) Create **
** Service (imagedownloader) Start **
** Service (imagedownloader) Start **
SELECT * FROM `post` where city like '%Saronno VA%' and visible='true' and menuindex=3
postfilter: 0:
SELECT * FROM (SELECT * FROM `post` AS T1 where category = 'Hotel' OR category = 'Residence' OR category = 'Agriturismo' OR category = 'Case vacanze' OR category = 'Ostelli' OR category = 'Masserie' OR category = 'Bed & bredfast' OR category = 'Campeggi' OR category = 'Rifuggi' OR category = 'Stabilimenti balneari') AS t2 where city like '%Solaro MI%' and visible='true'
postfilter: [{"id":"2","title":"SG90ZWwgRGVtbw==","content":"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","phone":"+393929824007","fax":"+393929824007","mobile":"+393929824007","email":"[email protected]","url":"www.humanequality.eu","linkimage1":"http:\/\/humanequality.ivanomonti.eu\/variant\/img\/humanequality00.jpg","linkimage2":"http:\/\/humanequality.ivanomonti.eu\/variant\/img\/humanequality00.jpg","address":"VmlhIGRlbCBjb21tZXJjaW8gMg==","zip":"20020","city":"U29sYXJvIE1J","state":"Italia","visible":"true","hide":"2015-09-06","show":"2016-08-31","category":"Hotel","menuindex":"2","lat":"45.622148","lng":"9.107527","linkmap":"No link map","informativa":"true","publicacatalogo":"true","publicamobile":"true","autor":"Human Equality","autorid":"1"}]
SELECT * FROM `post` where city like '%Solaro MI%' and visible='true' and menuindex=3
postfilter: [{"id":"9","title":"U2VydmljZSBJdmFubyBNb250aQ==","content":"U2NoZWRhIGRlbW8gU2VydmljZQ==","phone":"3929824007","fax":"","mobile":"3929824007","email":"[email protected]","url":"www.ivanomonti.eu","linkimage1":"https:\/\/scontent-mxp1-1.xx.fbcdn.net\/hphotos-xpt1\/v\/t1.0-9\/11695888_937190299678410_6735849001657102279_n.jpg?oh=0f09c50bc95998995aa1a5c035034c15&oe=56669C0A","linkimage2":"https:\/\/scontent-mxp1-1.xx.fbcdn.net\/hphotos-xpt1\/v\/t1.0-9\/11695888_937190299678410_6735849001657102279_n.jpg?oh=0f09c50bc95998995aa1a5c035034c15&oe=56669C0A","address":"dmlhIGRlbCBjb21tZXJjaW8gMg==","zip":"20020","city":"U29sYXJvIE1J","state":"Italia","visible":"true","hide":"2015-08-31","show":"2016-08-25","category":"Personal Trainer","menuindex":"3","lat":"45.622148","lng":"9.107527","linkmap":"No link map","informativa":"true","publicacatalogo":"true","publicamobile":"true","autor":"Human Equality","autorid":"2"}]
SELECT * FROM `post` where city like '%Solaro MI%' and visible='true' and menuindex=1
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SELECT * FROM `post` where city like '%Solaro MI%' and visible='true' and menuindex=2
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** Activity (main) Pause, UserClosed = false **
** Activity (main) Resume **
Select * FROM `news`
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Message longer than Log limit (4000). Message was truncated.
java.lang.RuntimeException: java.net.SocketException: recvfrom failed: ECONNRESET (Connection reset by peer)
    at anywheresoftware.b4a.ShellBA.raiseEvent2(ShellBA.java:148)
    at anywheresoftware.b4a.BA$3.run(BA.java:334)
    at android.os.Handler.handleCallback(Handler.java:815)
    at android.os.Handler.dispatchMessage(Handler.java:104)
    at android.os.Looper.loop(Looper.java:194)
    at android.app.ActivityThread.main(ActivityThread.java:5637)
    at java.lang.reflect.Method.invoke(Native Method)
    at java.lang.reflect.Method.invoke(Method.java:372)
    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:959)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:754)
Caused by: java.net.SocketException: recvfrom failed: ECONNRESET (Connection reset by peer)
    at libcore.io.IoBridge.maybeThrowAfterRecvfrom(IoBridge.java:634)
    at libcore.io.IoBridge.recvfrom(IoBridge.java:596)
    at java.net.PlainSocketImpl.read(PlainSocketImpl.java:492)
    at java.net.PlainSocketImpl.access$000(PlainSocketImpl.java:42)
    at java.net.PlainSocketImpl$PlainSocketInputStream.read(PlainSocketImpl.java:242)
    at java.io.InputStream.read(InputStream.java:162)
    at java.io.BufferedInputStream.fillbuf(BufferedInputStream.java:149)
    at java.io.BufferedInputStream.read(BufferedInputStream.java:234)
    at java.io.DataInputStream.readByte(DataInputStream.java:75)
    at anywheresoftware.b4a.shell.Shell.raiseEventImpl(Shell.java:298)
    at anywheresoftware.b4a.shell.Shell.raiseEvent(Shell.java:238)
    at java.lang.reflect.Method.invoke(Native Method)
    at java.lang.reflect.Method.invoke(Method.java:372)
    at anywheresoftware.b4a.ShellBA.raiseEvent2(ShellBA.java:121)
    ... 9 more
Caused by: android.system.ErrnoException: recvfrom failed: ECONNRESET (Connection reset by peer)
    at libcore.io.Posix.recvfromBytes(Native Method)
    at libcore.io.Posix.recvfrom(Posix.java:185)
    at libcore.io.BlockGuardOs.recvfrom(BlockGuardOs.java:250)
    at libcore.io.IoBridge.recvfrom(IoBridge.java:593)
    ... 21 more

Erel · Sep 8, 2015

Are you sure that you haven't stopped the program? This message might show from time to time when you stop the program.

ivanomonti · Sep 8, 2015

Erel said:
Are you sure that you haven't stopped the program? This message might show from time to time when you stop the program.

To avoid this problem I had to reset the map

B4X:

Sub Service_reset
    tasks.Initialize
    cache.Initialize
    ongoingTasks.Initialize
End Sub

code

B4X:

Sub description(frame As Panel)
    Private colroot As Map = frame.Tag
    Private lb As EditText
    lb.Initialize("lb")
    lb.Text = Mod_Global.decode64(colroot.Get("content")) & Chr(10) & Chr(10)
    lb.Tag = frame.Tag
    lb.TextColor = Colors.Black
    lb.TextSize = (48*90/100)/3
    lb.Wrap = True
    lb.SingleLine = False
    lb.Enabled = False
    frame.AddView(lb,5dip,52dip,frame.Width-10dip,frame.Height-58dip)
    ' calcolo altezza del controllo editext
    Dim su As StringUtils
    Dim i As Int = su.MeasureMultilineTextHeight(lb, lb.Text)
    lb.Height = i
    i = i + 30dip
    frame.Height = i
    ' inserisco immagine
    If colroot.Get("linkimage1") <> "" Then
        Dim img As String = colroot.Get("linkimage1")
        Dim iv As ImageView
        iv.Initialize("")
        frame.AddView(iv,0,i,frame.Width,150dip)
        Dim rec1 As Rect
        rec1.Initialize(0,0,frame.Width-1dip,150dip-1dip)
        Dim cv As Canvas
        cv.Initialize(iv)
        cv.DrawRect(rec1,Colors.White,True,1)
        Dim links As Map
          links.Initialize
        links.Put(iv, img)
           CallSubDelayed2(ImageDownloader, "Download", links)
    End If
    i = 150dip + i + 48dip
    frame.Height = i
    ' ricalcolo il top
    t = t + i + 8dip
    ' creo 2 righe di divisione        '
    Dim cv As Canvas
    cv.Initialize(frame)
    cv.DrawLine(0,48dip,frame.Width,48dip,Colors.ARGB(128,0,0,0),1)
    cv.DrawLine(0,frame.Height-49dip,frame.Width,frame.Height-49dip,Colors.ARGB(128,0,0,0),2)
   
End Sub

Android Question donwload list image url web

ivanomonti

Expert

Erel

B4X founder

ivanomonti

Expert

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