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I'm working on register and login activity. when I type the name, username, and password, the informations accessed android application. and the Toast show the 'Registration Success' message. But the data didn't inserted in mysql DB. How can I solve it? Please help me.

Following is LoginActivity.java

public class LoginActivity extends Activity { EditText ET_NAME,ET_PASS; String login_name,login_pass; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.login_main); ET_NAME = (EditText)findViewById(R.id.user_name); ET_PASS = (EditText)findViewById(R.id.user_pass); } public void userReg(View view) { startActivity(new Intent(this,RegisterActivity.class)); } public void userLogin(View view) { login_name = ET_NAME.getText().toString(); login_pass = ET_PASS.getText().toString(); String method = "login"; BackgroundTask backgroundTask = new BackgroundTask(this); backgroundTask.execute(method,login_name,login_pass); Intent intent = new Intent(this, MainActivity.class); intent.putExtra("ID", login_name); intent.putExtra("PW", login_pass); startActivity(intent); finish(); } }

This is BackgroundTask.java

public class BackgroundTask extends AsyncTask<String,Void,String> { AlertDialog alertDialog; Context ctx; BackgroundTask(Context ctx) { this.ctx = ctx; } @Override protected void onPreExecute() { alertDialog = new AlertDialog.Builder(ctx).create(); } @Override protected String doInBackground(String... params) { String reg_url = "http://35.160.135.119/webapp/register.php"; String login_url = "http://35.160.135.119/webapp/login.php"; String method = params[0]; if (method.equals("register")) { String name = params[1]; String user_name = params[2]; String user_pass = params[3]; try { URL url = new URL(reg_url) HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection(); httpURLConnection.setRequestMethod("POST"); httpURLConnection.setDoOutput(true); //httpURLConnection.setDoInput(true); OutputStream OS = httpURLConnection.getOutputStream(); BufferedWriter bufferedWriter = new BufferedWriter(new OutputStreamWriter(OS, "UTF-8")); String data = URLEncoder.encode("name", "UTF-8") + "=" + URLEncoder.encode(name, "UTF-8") + "&" + URLEncoder.encode("user_name", "UTF-8") + "=" + URLEncoder.encode(user_name, "UTF-8") + "&" + URLEncoder.encode("user_pass", "UTF-8") + "=" + URLEncoder.encode(user_pass, "UTF-8"); bufferedWriter.write(data); bufferedWriter.flush(); bufferedWriter.close(); OS.close(); InputStream IS = httpURLConnection.getInputStream(); IS.close(); //httpURLConnection.connect(); httpURLConnection.disconnect(); return "Registration Success..."; } catch (MalformedURLException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } } else if (method.equals("login")) { String login_name = params[1]; String login_pass = params[2]; try { URL url = new URL(login_url); HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection(); httpURLConnection.setRequestMethod("POST"); httpURLConnection.setDoOutput(true); httpURLConnection.setDoInput(true); OutputStream outputStream = httpURLConnection.getOutputStream(); BufferedWriter bufferedWriter = new BufferedWriter(new OutputStreamWriter(outputStream, "UTF-8")); String data = URLEncoder.encode("login_name", "UTF-8") + "=" + URLEncoder.encode(login_name, "UTF-8") + "&" + URLEncoder.encode("login_pass", "UTF-8") + "=" + URLEncoder.encode(login_pass, "UTF-8"); bufferedWriter.write(data); bufferedWriter.flush(); bufferedWriter.close(); outputStream.close(); InputStream inputStream = httpURLConnection.getInputStream(); BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream, "iso-8859-1")); String response = ""; String line = ""; while ((line = bufferedReader.readLine()) != null) { response += line; } bufferedReader.close(); inputStream.close(); httpURLConnection.disconnect(); return response; } catch (MalformedURLException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } } return null; } @Override protected void onProgressUpdate(Void... values) { super.onProgressUpdate(values); } @Override protected void onPostExecute(String result) { if (result.equals("Registration Success...")) { Toast.makeText(ctx, result, Toast.LENGTH_LONG).show(); } else { alertDialog.setMessage(result); alertDialog.show(); } } }

And this is Register.java

public class RegisterActivity extends Activity { EditText ET_NAME, ET_USER_NAME, ET_USER_PASS; String name, user_name, user_pass; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.register_layout); ET_NAME = (EditText)findViewById(R.id.name); ET_USER_NAME = (EditText)findViewById(R.id.new_user_name); ET_USER_PASS = (EditText)findViewById(R.id.new_user_pass); } public void userReg(View view) { name = ET_NAME.getText().toString(); user_name = ET_USER_NAME.getText().toString(); user_pass = ET_USER_PASS.getText().toString(); String method = "register"; BackgroundTask backgroundTask = new BackgroundTask(this); backgroundTask.execute(method,name, user_name, user_pass); finish(); } }

This is debugging log.

$ adb shell am start -n "com.example.jina.a1105gmdemo/com.example.jina.a1105gmdemo.LoginActivity" -a android.intent.action.MAIN -c android.intent.category.LAUNCHER -D Connecting to com.example.jina.a1105gmdemo Connected to the target VM, address: 'localhost:8605', transport: 'socket' I/System.out: Sending WAIT chunk W/ActivityThread: Application com.example.jina.a1105gmdemo is waiting for the debugger on port 8100... I/dalvikvm: Debugger is active I/System.out: Debugger has connected I/System.out: waiting for debugger to settle... I/System.out: waiting for debugger to settle... I/System.out: waiting for debugger to settle... I/System.out: waiting for debugger to settle... I/System.out: waiting for debugger to settle... I/System.out: waiting for debugger to settle... I/System.out: debugger has settled (1484) I/MultiDex: VM with version 1.6.0 does not have multidex support I/MultiDex: install I/MultiDex: MultiDexExtractor.load(/data/app/com.example.jina.a1105gmdemo-46.apk, false) I/MultiDex: Detected that extraction must be performed. I/MultiDex: Trying to delete old file /data/data/com.example.jina.a1105gmdemo/code_cache/secondary-dexes/com.example.jina.a1105gmdemo-45.apk.classes2.dex of size 2898496 I/MultiDex: Deleted old file /data/data/com.example.jina.a1105gmdemo/code_cache/secondary-dexes/com.example.jina.a1105gmdemo-45.apk.classes2.dex I/MultiDex: Trying to delete old file /data/data/com.example.jina.a1105gmdemo/code_cache/secondary-dexes/com.example.jina.a1105gmdemo-45.apk.classes2.zip of size 934986 I/MultiDex: Deleted old file /data/data/com.example.jina.a1105gmdemo/code_cache/secondary-dexes/com.example.jina.a1105gmdemo-45.apk.classes2.zip I/MultiDex: Extraction is needed for file /data/data/com.example.jina.a1105gmdemo/code_cache/secondary-dexes/com.example.jina.a1105gmdemo-46.apk.classes2.zip I/MultiDex: Extracting /data/data/com.example.jina.a1105gmdemo/code_cache/secondary-dexes/com.example.jina.a1105gmdemo-46.apk.classes2089171779.zip I/MultiDex: Renaming to /data/data/com.example.jina.a1105gmdemo/code_cache/secondary-dexes/com.example.jina.a1105gmdemo-46.apk.classes2.zip I/MultiDex: Extraction success - length /data/data/com.example.jina.a1105gmdemo/code_cache/secondary-dexes/com.example.jina.a1105gmdemo-46.apk.classes2.zip: 934986 I/MultiDex: load found 1 secondary dex files D/dalvikvm: DexOpt: --- BEGIN 'com.example.jina.a1105gmdemo-46.apk.classes2.zip' (bootstrap=0) --- D/dalvikvm: DexOpt: --- END 'com.example.jina.a1105gmdemo-46.apk.classes2.zip' (success) --- D/dalvikvm: DEX prep '/data/data/com.example.jina.a1105gmdemo/code_cache/secondary-dexes/com.example.jina.a1105gmdemo-46.apk.classes2.zip': unzip in 66ms, rewrite 778ms I/MultiDex: install done I/FirebaseInitProvider: FirebaseApp initialization unsuccessful I/Adreno-EGL: <qeglDrvAPI_eglInitialize:410>: EGL 1.4 QUALCOMM build: () OpenGL ES Shader Compiler Version: E031.24.00.08 Build Date: 03/21/14 Fri Local Branch: AU200+patches_03212014 Remote Branch: Local Patches: Reconstruct Branch: D/OpenGLRenderer: Enabling debug mode 0 D/OpenGLRenderer: GL error from OpenGLRenderer: 0x502 E/OpenGLRenderer: GL_INVALID_OPERATION D/OpenGLRenderer: GL error from OpenGLRenderer: 0x502 E/OpenGLRenderer: GL_INVALID_OPERATION D/dalvikvm: threadid=1: still suspended after undo (sc=1 dc=1) D/dalvikvm: threadid=12: still suspended after undo (sc=1 dc=1) D/dalvikvm: threadid=12: still suspended after undo (sc=1 dc=1) D/dalvikvm: threadid=12: still suspended after undo (sc=1 dc=1) D/dalvikvm: threadid=12: still suspended after undo (sc=1 dc=1) D/dalvikvm: threadid=12: still suspended after undo (sc=1 dc=1) D/dalvikvm: threadid=12: still suspended after undo (sc=1 dc=1) D/dalvikvm: threadid=12: still suspended after undo (sc=1 dc=1) D/dalvikvm: threadid=12: still suspended after undo (sc=1 dc=1) I/System.out: Thread-1263(HTTPLog):isShipBuild true I/System.out: Thread-1263(HTTPLog):SmartBonding Enabling is false, SHIP_BUILD is true, log to file is false, DBG is false W/IInputConnectionWrapper: getTextBeforeCursor on inactive InputConnection W/IInputConnectionWrapper: getSelectedText on inactive InputConnection W/IInputConnectionWrapper: getTextBeforeCursor on inactive InputConnection W/IInputConnectionWrapper: getTextAfterCursor on inactive InputConnection W/IInputConnectionWrapper: getSelectedText on inactive InputConnection W/IInputConnectionWrapper: getTextBeforeCursor on inactive InputConnection W/IInputConnectionWrapper: getTextAfterCursor on inactive InputConnection D/dalvikvm: threadid=12: still suspended after undo (sc=1 dc=1) D/dalvikvm: threadid=1: still suspended after undo (sc=1 dc=1) Disconnected from the target VM, address: 'localhost:8605', transport: 'socket'
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put that code in post execute of async task that you want to execute after the async task complete.like..

 finish();

and check your webservices for data that you recieved there and try to print the result in logcat what you got from your server script instead of static "success message".

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thanks. I checked my error log and fix the php code. It works now. but I can't understand your first advice. put finish(); code into post execute triggers error..
that is a good practice.. cuz on post execute is called when your async task is finished its execution...

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