当我从服务器下载文件时,它下载得很好,在通知状态栏中显示进度条,但是当我从通知状态栏中选择时,它将打开该应用程序,但此时进度条未显示在电话,但它在模拟器上工作正常。请帮帮我......
public class FileDownloadTestActivity extends Activity {
private static String url = "http://www.xxxxx.in/build/android/android/xyz.apk";
public static final int DIALOG_DOWNLOAD_PROGRESS = 0;
private Button startBtn;
private ProgressDialog mProgressDialog;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
startBtn = (Button) findViewById(R.id.download);
Boolean boolean1=true;
if(boolean1){
startBtn.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
new DownloadFileAsync().execute(url);
}
});
boolean1=false;
}
}
@Override
protected Dialog onCreateDialog(int id) {
switch (id) {
case DIALOG_DOWNLOAD_PROGRESS:
mProgressDialog = new ProgressDialog(this);
mProgressDialog.setMessage("Downloading file..");
mProgressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
mProgressDialog.setCancelable(false);
mProgressDialog.show();
return mProgressDialog;
default:
return null;
}
}
class DownloadFileAsync extends AsyncTask<String, String, String> {
NotificationManager notificationManager;
Notification notification2;
@Override
protected void onPreExecute() {
super.onPreExecute();
notification2 = new Notification(android.R.drawable.stat_sys_download, "downloading..." , System.currentTimeMillis());
Intent intent = new Intent(getApplicationContext(),FileDownloadTestActivity.class);
intent .setAction("android.intent.action.MAIN");
intent .addCategory("android.intent.category.LAUNCHER");
final PendingIntent pendingIntent = PendingIntent.getActivity(getApplicationContext(), 0, intent, 0);
notification2 = new Notification(android.R.drawable.stat_sys_download, "downloading..." , System.currentTimeMillis());
notification2.flags = notification2.flags | Notification.FLAG_ONGOING_EVENT;
notification2.contentView = new RemoteViews(getApplicationContext().getPackageName(), R.layout.custom_notification_layout);
notification2.contentIntent = pendingIntent;
notification2.contentView.setImageViewResource(R.id.status_icon,R.drawable.junow );
notification2.contentView.setProgressBar(R.id.status_progress, 100, 1, false);
getApplicationContext();
notificationManager = (NotificationManager) getApplicationContext().getSystemService(Context.NOTIFICATION_SERVICE);
showDialog(DIALOG_DOWNLOAD_PROGRESS);
}
@Override
protected String doInBackground(String... aurl) {
int count;
try {
URL url = new URL(aurl[0]);
URLConnection conexion = url.openConnection();
conexion.connect();
int lenghtOfFile = conexion.getContentLength();
InputStream input = new BufferedInputStream(url.openStream());
OutputStream output = new FileOutputStream(Environment.getExternalStorageDirectory()+"/xyz.apk");
byte data[] = new byte[1024];
long total = 0;
while ((count = input.read(data)) != -1) {
total += count;
long var=(int) ((total * 100) / lenghtOfFile);
publishProgress("" +var);
output.write(data, 0, count);
notificationManager.notify(1, notification2);
}
output.flush();
output.close();
input.close();
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
protected void onProgressUpdate(String... progress) {
mProgressDialog.setProgress(Integer.parseInt(progress[0]));
notification2.contentView.setProgressBar(R.id.status_progress, 100,Integer.parseInt(progress[0]), false);
notification2.contentView.setTextViewText(R.id.percent,"Downloading in progress "+progress[0]+" %");
}
@Override
protected void onPostExecute(String unused) {
dismissDialog(DIALOG_DOWNLOAD_PROGRESS);
notificationManager.cancel(1);
Intent intent = new Intent(Intent.ACTION_VIEW);
intent.setDataAndType(Uri.fromFile(new File(Environment.getExternalStorageDirectory() + "/xyz.apk")), "application/vnd.android.package-archive");
startActivity(intent);
}
}
}