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2014/10/16 ¤W¤È 08:10:46

android Programming Glossary: buf

HttpURLConnection.getResponseCode() returns -1 on second invocation

http://stackoverflow.com/questions/1440957/httpurlconnection-getresponsecode-returns-1-on-second-invocation

os new ByteArrayOutputStream URLConnection conn null byte buf new byte 4096 try URL a new URL url conn a.openConnection InputStream.. is conn.getInputStream int ret 0 while ret is.read buf 0 os.write buf 0 ret close the inputstream is.close return.. int ret 0 while ret is.read buf 0 os.write buf 0 ret close the inputstream is.close return new String os.toByteArray..

Android Writing Logs to text File

http://stackoverflow.com/questions/1756296/android-writing-logs-to-text-file

if file.exists int ch 0 int current 0 StringBuffer buffer new StringBuffer while ch fileInputStream.read 1 buffer.append.. buffer new StringBuffer while ch fileInputStream.read 1 buffer.append char ch current byte data new byte int file.length.. performance true to set append to file flag BufferedWriter buf new BufferedWriter new FileWriter logFile true buf.append text..

How to prevent Android bluetooth RFCOMM connection from dying immediately after .connect()?

http://stackoverflow.com/questions/2660968/how-to-prevent-android-bluetooth-rfcomm-connection-from-dying-immediately-after

Log.d ZeeTest Connected in sock.getInputStream byte buffer new byte 50 int read 0 Log.d ZeeTest Listening... try while.. 0 Log.d ZeeTest Listening... try while true read in.read buffer connected true StringBuilder buf new StringBuilder for.. true read in.read buffer connected true StringBuilder buf new StringBuilder for int i 0 i read i int b buffer i & 0xff..

How do I parse JSON from a Java HTTPResponse?

http://stackoverflow.com/questions/2845599/how-do-i-parse-json-from-a-java-httpresponse

UTF 8 StringBuilder builder new StringBuilder char buf new char 1000 int l 0 while l 0 builder.append buf 0 l l in.read.. char buf new char 1000 int l 0 while l 0 builder.append buf 0 l l in.read buf JSONTokener tokener new JSONTokener builder.toString.. 1000 int l 0 while l 0 builder.append buf 0 l l in.read buf JSONTokener tokener new JSONTokener builder.toString JSONArray..

SQLiteOpenHelper onUpgrade() Confusion Android

http://stackoverflow.com/questions/3505900/sqliteopenhelper-onupgrade-confusion-android

String join List String list String delim StringBuilder buf new StringBuilder int num list.size for int i 0 i num i if i.. StringBuilder int num list.size for int i 0 i num i if i 0 buf.append delim buf.append String list.get i return buf.toString.. num list.size for int i 0 i num i if i 0 buf.append delim buf.append String list.get i return buf.toString share improve..

Android Saving created bitmap to directory on sd card

http://stackoverflow.com/questions/4263375/android-saving-created-bitmap-to-directory-on-sd-card

is done. Thanks FileInputStream in BufferedInputStream buf try in new FileInputStream mnt sdcard dcim Camera 2010 11 16_18.. mnt sdcard dcim Camera 2010 11 16_18 57 18_989.jpg buf new BufferedInputStream in Bitmap _bitmapPreScale BitmapFactory.decodeStream.. in Bitmap _bitmapPreScale BitmapFactory.decodeStream buf int oldWidth _bitmapPreScale.getWidth int oldHeight _bitmapPreScale.getHeight..

XMPP with Java Asmack library supporting X-FACEBOOK-PLATFORM

http://stackoverflow.com/questions/5317329/xmpp-with-java-asmack-library-supporting-x-facebook-platform

private String convertToHex byte data StringBuilder buf new StringBuilder int len data.length for int i 0 i len i int.. i 4 0xF int twoHalfs 0 do if 0 halfByte halfByte 9 buf.append char '0' halfByte else buf.append char 'a' halfByte.. halfByte 9 buf.append char '0' halfByte else buf.append char 'a' halfByte 10 halfByte data i 0xF while twoHalfs..

How to SHA1 hash a string in Android?

http://stackoverflow.com/questions/5980658/how-to-sha1-hash-a-string-in-android

private static String convertToHex byte data StringBuilder buf new StringBuilder for byte b data int halfbyte b 4 0x0F int.. for byte b data int halfbyte b 4 0x0F int two_halfs 0 do buf.append 0 halfbyte halfbyte 9 char '0' halfbyte char 'a' halfbyte.. halfbyte 10 halfbyte b 0x0F while two_halfs 1 return buf.toString public static String SHA1 String text throws NoSuchAlgorithmException..

How to get IP address of the device?

http://stackoverflow.com/questions/6064510/how-to-get-ip-address-of-the-device

public static String bytesToHex byte bytes StringBuilder sbuf new StringBuilder for int idx 0 idx bytes.length idx int intVal.. idx int intVal bytes idx 0xff if intVal 0x10 sbuf.append 0 sbuf.append Integer.toHexString intVal .toUpperCase.. int intVal bytes idx 0xff if intVal 0x10 sbuf.append 0 sbuf.append Integer.toHexString intVal .toUpperCase return sbuf.toString..

Code for download video from Youtube on Java, Android

http://stackoverflow.com/questions/7203047/code-for-download-video-from-youtube-on-java-android

reader new InputStreamReader stream StringBuffer buffer new StringBuffer char buf new char 262144 int chars_read.. stream StringBuffer buffer new StringBuffer char buf new char 262144 int chars_read while chars_read reader.read.. char 262144 int chars_read while chars_read reader.read buf 0 262144 1 buffer.append buf 0 chars_read tmpstr buffer.toString..

HttpURLConnection.getResponseCode() returns -1 on second invocation

http://stackoverflow.com/questions/1440957/httpurlconnection-getresponsecode-returns-1-on-second-invocation

get String url throws IOException ByteArrayOutputStream os new ByteArrayOutputStream URLConnection conn null byte buf new byte 4096 try URL a new URL url conn a.openConnection InputStream is conn.getInputStream int ret 0 while ret is.read.. byte 4096 try URL a new URL url conn a.openConnection InputStream is conn.getInputStream int ret 0 while ret is.read buf 0 os.write buf 0 ret close the inputstream is.close return new String os.toByteArray catch IOException e try int respCode.. URL a new URL url conn a.openConnection InputStream is conn.getInputStream int ret 0 while ret is.read buf 0 os.write buf 0 ret close the inputstream is.close return new String os.toByteArray catch IOException e try int respCode HttpURLConnection..

Android Writing Logs to text File

http://stackoverflow.com/questions/1756296/android-writing-logs-to-text-file

FileInputStream file fileOutpurStream new FileOutputStream file if file.exists int ch 0 int current 0 StringBuffer buffer new StringBuffer while ch fileInputStream.read 1 buffer.append char ch current byte data new byte int file.length.. file if file.exists int ch 0 int current 0 StringBuffer buffer new StringBuffer while ch fileInputStream.read 1 buffer.append char ch current byte data new byte int file.length fileInputStream.read data fileOutpurStream.write data.. catch block e.printStackTrace try BufferedWriter for performance true to set append to file flag BufferedWriter buf new BufferedWriter new FileWriter logFile true buf.append text buf.newLine buf.close catch IOException e TODO Auto generated..

How to prevent Android bluetooth RFCOMM connection from dying immediately after .connect()?

http://stackoverflow.com/questions/2660968/how-to-prevent-android-bluetooth-rfcomm-connection-from-dying-immediately-after

zee Integer.valueOf 1 Log.d ZeeTest Connecting sock.connect Log.d ZeeTest Connected in sock.getInputStream byte buffer new byte 50 int read 0 Log.d ZeeTest Listening... try while true read in.read buffer connected true StringBuilder.. in sock.getInputStream byte buffer new byte 50 int read 0 Log.d ZeeTest Listening... try while true read in.read buffer connected true StringBuilder buf new StringBuilder for int i 0 i read i int b buffer i & 0xff if b 0x10 buf.append.. new byte 50 int read 0 Log.d ZeeTest Listening... try while true read in.read buffer connected true StringBuilder buf new StringBuilder for int i 0 i read i int b buffer i & 0xff if b 0x10 buf.append 0 buf.append Integer.toHexString..

How do I parse JSON from a Java HTTPResponse?

http://stackoverflow.com/questions/2845599/how-do-i-parse-json-from-a-java-httpresponse

BufferedReader new InputStreamReader response.getEntity .getContent UTF 8 StringBuilder builder new StringBuilder char buf new char 1000 int l 0 while l 0 builder.append buf 0 l l in.read buf JSONTokener tokener new JSONTokener builder.toString.. .getContent UTF 8 StringBuilder builder new StringBuilder char buf new char 1000 int l 0 while l 0 builder.append buf 0 l l in.read buf JSONTokener tokener new JSONTokener builder.toString JSONArray finalResult new JSONArray tokener I'm on.. 8 StringBuilder builder new StringBuilder char buf new char 1000 int l 0 while l 0 builder.append buf 0 l l in.read buf JSONTokener tokener new JSONTokener builder.toString JSONArray finalResult new JSONArray tokener I'm on Android if that..

SQLiteOpenHelper onUpgrade() Confusion Android

http://stackoverflow.com/questions/3505900/sqliteopenhelper-onupgrade-confusion-android

finally if c null c.close return ar public static String join List String list String delim StringBuilder buf new StringBuilder int num list.size for int i 0 i num i if i 0 buf.append delim buf.append String list.get i return buf.toString..

Android Saving created bitmap to directory on sd card

http://stackoverflow.com/questions/4263375/android-saving-created-bitmap-to-directory-on-sd-card

bitmap to a directory somewhere. Can anyone show me how this is done. Thanks FileInputStream in BufferedInputStream buf try in new FileInputStream mnt sdcard dcim Camera 2010 11 16_18 57 18_989.jpg buf new BufferedInputStream in Bitmap _bitmapPreScale.. in BufferedInputStream buf try in new FileInputStream mnt sdcard dcim Camera 2010 11 16_18 57 18_989.jpg buf new BufferedInputStream in Bitmap _bitmapPreScale BitmapFactory.decodeStream buf int oldWidth _bitmapPreScale.getWidth.. Camera 2010 11 16_18 57 18_989.jpg buf new BufferedInputStream in Bitmap _bitmapPreScale BitmapFactory.decodeStream buf int oldWidth _bitmapPreScale.getWidth int oldHeight _bitmapPreScale.getHeight int newWidth 2592 int newHeight 1936 ..

XMPP with Java Asmack library supporting X-FACEBOOK-PLATFORM

http://stackoverflow.com/questions/5317329/xmpp-with-java-asmack-library-supporting-x-facebook-platform

text.getBytes utf 8 0 text.length return convertToHex md.digest private String convertToHex byte data StringBuilder buf new StringBuilder int len data.length for int i 0 i len i int halfByte data i 4 0xF int twoHalfs 0 do if 0 halfByte halfByte.. int len data.length for int i 0 i len i int halfByte data i 4 0xF int twoHalfs 0 do if 0 halfByte halfByte 9 buf.append char '0' halfByte else buf.append char 'a' halfByte 10 halfByte data i 0xF while twoHalfs 1 return buf.toString.. len i int halfByte data i 4 0xF int twoHalfs 0 do if 0 halfByte halfByte 9 buf.append char '0' halfByte else buf.append char 'a' halfByte 10 halfByte data i 0xF while twoHalfs 1 return buf.toString And this is the communication..

How to SHA1 hash a string in Android?

http://stackoverflow.com/questions/5980658/how-to-sha1-hash-a-string-in-android

public class AeSimpleSHA1 private static String convertToHex byte data StringBuilder buf new StringBuilder for byte b data int halfbyte b 4 0x0F int two_halfs 0 do buf.append 0 halfbyte halfbyte 9 char '0' halfbyte.. convertToHex byte data StringBuilder buf new StringBuilder for byte b data int halfbyte b 4 0x0F int two_halfs 0 do buf.append 0 halfbyte halfbyte 9 char '0' halfbyte char 'a' halfbyte 10 halfbyte b 0x0F while two_halfs 1 return buf.toString.. buf.append 0 halfbyte halfbyte 9 char '0' halfbyte char 'a' halfbyte 10 halfbyte b 0x0F while two_halfs 1 return buf.toString public static String SHA1 String text throws NoSuchAlgorithmException UnsupportedEncodingException MessageDigest..

How to get IP address of the device?

http://stackoverflow.com/questions/6064510/how-to-get-ip-address-of-the-device

Utils Convert byte array to hex string @param bytes @return public static String bytesToHex byte bytes StringBuilder sbuf new StringBuilder for int idx 0 idx bytes.length idx int intVal bytes idx 0xff if intVal 0x10 sbuf.append 0 sbuf.append.. StringBuilder sbuf new StringBuilder for int idx 0 idx bytes.length idx int intVal bytes idx 0xff if intVal 0x10 sbuf.append 0 sbuf.append Integer.toHexString intVal .toUpperCase return sbuf.toString Get utf8 byte array. @param str @return.. sbuf new StringBuilder for int idx 0 idx bytes.length idx int intVal bytes idx 0xff if intVal 0x10 sbuf.append 0 sbuf.append Integer.toHexString intVal .toUpperCase return sbuf.toString Get utf8 byte array. @param str @return array of NULL..

Code for download video from Youtube on Java, Android

http://stackoverflow.com/questions/7203047/code-for-download-video-from-youtube-on-java-android

GET InputStream stream con.getInputStream InputStreamReader reader new InputStreamReader stream StringBuffer buffer new StringBuffer char buf new char 262144 int chars_read while chars_read reader.read buf 0 262144 1 buffer.append.. con.getInputStream InputStreamReader reader new InputStreamReader stream StringBuffer buffer new StringBuffer char buf new char 262144 int chars_read while chars_read reader.read buf 0 262144 1 buffer.append buf 0 chars_read tmpstr buffer.toString.. stream StringBuffer buffer new StringBuffer char buf new char 262144 int chars_read while chars_read reader.read buf 0 262144 1 buffer.append buf 0 chars_read tmpstr buffer.toString begin tmpstr.indexOf url_encoded_fmt_stream_map end..