hi Streets Of Boston,
Thanks for your reply..
I am new to android develoment..
Here is my code.. Kindly tell me what change i should do in this.
Im downloading the image in a separate thread. But im calling the
thread inside onCreate(). Is this the problem?
Thanks.
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.net.URL;
import android.app.Activity;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.os.Handler;
import android.widget.ImageView;
public class ViewStorageImage extends Activity{
private String url;
ImageView iv;
Runnable viewActualImage;
Handler storageActualImageHandler;
Thread t;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Intent i = getIntent();
Bundle ext = i.getExtras();
url = ext.getString("url");
storageActualImageHandler = new Handler();
viewActualImage = new Runnable() {
public void run() {
viewImage();
}
};
new Thread() {
@Override
public void run() {
storageActualImageHandler.post(viewActualImage);
}
}.start();
}
public void viewImage() {
try {
URL myURL = new URL(url);
final BufferedInputStream bis = new
BufferedInputStream(myURL
.openStream(), 1024);
final ByteArrayOutputStream dataStream = new
ByteArrayOutputStream
();
BufferedOutputStream out = new
BufferedOutputStream(dataStream,
1024);
copy(bis, out);
out.flush();
final byte[] data = dataStream.toByteArray();
BitmapFactory.Options bfo = new BitmapFactory.Options();
bfo.inSampleSize = 2;
Bitmap bm = BitmapFactory
.decodeByteArray(data, 0, data.length,
bfo);
bis.close();
iv=new ImageView(getApplicationContext());
iv.setImageBitmap(bm);
setContentView(iv);
} catch (Exception e) {
}
}
static final int BUFF_SIZE = 1024;
static final byte[] buffer = new byte[BUFF_SIZE];
public static void copy(BufferedInputStream in, BufferedOutputStream
out)
throws IOException {
try {
while (true) {
synchronized (buffer) {
int amountRead = in.read(buffer);
if (amountRead == -1) {
break;
}
out.write(buffer, 0, amountRead);
}
}
}
catch(Exception e)
{
if (in != null) {
in.close();
}
if (out != null) {
out.close();
}
}
finally {
if (in != null) {
in.close();
}
if (out != null) {
out.close();
}
}
}
}
On Apr 9, 8:46 pm, Streets Of Boston <flyingdutc...@gmail.com> wrote:
> How are you downloading your images?
> Are you doing this in your main message-thread? (e.g. in a
> onSomethingSomething(...) method?)
>
> If so, this causes your problem.
>
> Start a new thread. Have this thread download your image when
> necessary.
> When you thread is done, have it post back to the main message-thread
> with the resulting bitmap.
>
> On Apr 9, 10:12 am, Ramesh <ramesh.pauldu...@gmail.com> wrote:
>
> > hi,
> > I am working on an android project where the local and remote image
> > files and their thumbnails are to be displayed. Now i have a problem
> > with displaying the remote images. If i click the back button when the
> > application is connected with the server, It waits for few seconds and
> > forces my application to close. Log has a message "Key dispatching
> > timed out". Once the image has downloaded completely back button is
> > working, Here is my log.. Kindly help me in this.
>
> > here is my log.
>
> > 04-09 19:32:42.992: INFO/ActivityManager(52): Starting activity:
> > Intent { comp={com.androidstorage/com.androidstorage.ViewStorageImage}
> > (has extras) }
> > 04-09 19:32:43.282: INFO/ActivityManager(52): Displayed activity
> > com.androidstorage/.ViewStorageImage: 288 ms
> > 04-09 19:32:49.072: WARN/WindowManager(52): Key dispatching timed out
> > sending to com.androidstorage/com.androidstorage.ViewStorageImage
> > 04-09 19:32:49.131: INFO/ActivityManager(52): ANR (application not
> > responding) in process: com.androidstorage
> > 04-09 19:32:49.131: INFO/ActivityManager(52): Annotation:
> >keyDispatchingTimedOut
> > 04-09 19:32:49.131: INFO/ActivityManager(52): CPU usage:
> > 04-09 19:32:49.131: INFO/ActivityManager(52): Load: 0.01 / 0.1 / 0.07
> > 04-09 19:32:49.131: INFO/ActivityManager(52): CPU usage from 7516ms to
> > 51ms ago:
> > 04-09 19:32:49.131: INFO/ActivityManager(52): com.androidstorage: 7%
> > = 5% user + 1% kernel
> > 04-09 19:32:49.131: INFO/ActivityManager(52): system_server: 4% = 2%
> > user + 2% kernel
> > 04-09 19:32:49.131: INFO/ActivityManager(52): com.android.phone: 0%
> > = 0% user + 0% kernel
> > 04-09 19:32:49.131: INFO/ActivityManager(52): adbd: 0% = 0% user +
> > 0% kernel
> > 04-09 19:32:49.131: INFO/ActivityManager(52): events/0: 0% = 0% user
> > + 0% kernel
> > 04-09 19:32:49.131: INFO/ActivityManager(52): TOTAL: 12% = 8% user +
> > 3% kernel
> > 04-09 19:32:49.131: INFO/ActivityManager(52): /proc/meminfo:
> > 04-09 19:32:49.131: INFO/ActivityManager(52): MemTotal: 94572
> > kB
> > 04-09 19:32:49.131: INFO/ActivityManager(52): MemFree: 6260
> > kB
> > 04-09 19:32:49.131: INFO/ActivityManager(52): Buffers: 108
> > kB
> > 04-09 19:32:49.131: INFO/ActivityManager(52): Cached: 39188
> > kB
> > 04-09 19:32:49.131: INFO/ActivityManager(52): SwapCached: 0
> > kB
> > 04-09 19:32:49.131: INFO/ActivityManager(52): Active: 67572
> > kB
> > 04-09 19:32:49.131: INFO/ActivityManager(52): Inactive: 11924
> > kB
> > 04-09 19:32:49.131: INFO/ActivityManager(52): SwapTotal: 0
> > kB
> > 04-09 19:32:49.131: INFO/ActivityManager(52): SwapFree: 0
> > kB
> > 04-09 19:32:49.131: INFO/ActivityManager(52): Dirty: 0
> > kB
> > 04-09 19:32:49.131: INFO/ActivityManager(52): Writeback: 0
> > kB
> > 04-09 19:32:49.131: INFO/ActivityManager(52): AnonPages: 40208
> > kB
> > 04-09 19:32:49.131: INFO/ActivityManager(52): Mapped: 22952
> > kB
> > 04-09 19:32:49.131: INFO/ActivityManager(52): Slab: 3256
> > kB
> > 04-09 19:32:49.131: INFO/ActivityManager(52): SReclaimable: 676
> > kB
> > 04-09 19:32:49.131: INFO/ActivityManager(52): SUnreclaim: 2580
> > kB
> > 04-09 19:32:49.131: INFO/ActivityManager(52): PageTables: 2708
> > kB
> > 04-09 19:32:49.131: INFO/ActivityManager(52): NFS_Unstable: 0
> > kB
> > 04-09 19:32:49.131: INFO/ActivityManager(52): Bounce: 0
> > kB
> > 04-09 19:32:49.131: INFO/ActivityManager(52): CommitLimit: 47284
> > kB
> > 04-09 19:32:49.131: INFO/ActivityManager(52): Committed_AS: 958532
> > kB
> > 04-09 19:32:49.131: INFO/ActivityManager(52): VmallocTotal: 876544
> > kB
> > 04-09 19:32:49.131: INFO/ActivityManager(52): VmallocUsed: 11464
> > kB
> > 04-09 19:32:49.131: INFO/ActivityManager(52): VmallocChunk: 852988
> > kB
> > 04-09 19:32:49.131: INFO/ActivityManager(52): Removing old ANR trace
> > file from /data/anr/traces.txt
> > 04-09 19:32:49.140: INFO/Process(52): Sending signal. PID: 652 SIG: 3
> > 04-09 19:32:49.140: INFO/dalvikvm(652): threadid=7: reacting to signal
> > 3
> > 04-09 19:32:49.152: INFO/dalvikvm(652): Wrote stack trace to '/data/
> > anr/traces.txt'
> > 04-09 19:32:49.152: INFO/Process(52): Sending signal. PID: 93 SIG: 3
> > 04-09 19:32:49.152: INFO/dalvikvm(93): threadid=7: reacting to signal
> > 3
> > 04-09 19:32:49.162: INFO/dalvikvm(93): Wrote stack trace to '/data/anr/
> > traces.txt'
> > 04-09 19:32:49.162: INFO/Process(52): Sending signal. PID: 194 SIG: 3
> > 04-09 19:32:49.162: INFO/dalvikvm(194): threadid=7: reacting to signal
> > 3
> > 04-09 19:32:49.172: INFO/dalvikvm(194): Wrote stack trace to '/data/
> > anr/traces.txt'
> > 04-09 19:32:49.181: INFO/Process(52): Sending signal. PID: 124 SIG: 3
> > 04-09 19:32:49.181: INFO/dalvikvm(124): threadid=7: reacting to signal
> > 3
> > 04-09 19:32:49.181: INFO/dalvikvm(124): Wrote stack trace to '/data/
> > anr/traces.txt'
> > 04-09 19:32:49.181: INFO/Process(52): Sending signal. PID: 170 SIG: 3
> > 04-09 19:32:49.181: INFO/dalvikvm(170): threadid=7: reacting to signal
> > 3
> > 04-09 19:32:49.191: INFO/dalvikvm(170): Wrote stack trace to '/data/
> > anr/traces.txt'
> > 04-09 19:32:49.191: INFO/Process(52): Sending signal. PID: 188 SIG: 3
> > 04-09 19:32:49.191: INFO/dalvikvm(188): threadid=7: reacting to signal
> > 3
> > 04-09 19:32:49.201: INFO/Process(52): Sending signal. PID: 52 SIG: 3
> > 04-09 19:32:49.201: INFO/dalvikvm(188): Wrote stack trace to '/data/
> > anr/traces.txt'
> > 04-09 19:32:49.201: INFO/dalvikvm(52): threadid=7: reacting to signal
> > 3
> > 04-09 19:32:49.230: INFO/dalvikvm(52): Wrote stack trace to '/data/anr/
> > traces.txt'
> > 04-09 19:32:49.242: INFO/Process(52): Sending signal. PID: 134 SIG: 3
> > 04-09 19:32:49.242: INFO/dalvikvm(134): threadid=7: reacting to signal
> > 3
> > 04-09 19:32:49.252: INFO/dalvikvm(134): Wrote stack trace to '/data/
> > anr/traces.txt'
> > 04-09 19:32:49.252: INFO/Process(52): Sending signal. PID: 88 SIG: 3
> > 04-09 19:32:49.252: INFO/dalvikvm(88): threadid=7: reacting to signal
> > 3
> > 04-09 19:32:49.291: INFO/dalvikvm(88): Wrote stack trace to '/data/anr/
> > traces.txt'
>
> > Thanks in advance..
>
> > Ramesh
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