Розробка програми для операційної системи "Android"

dataToSend.put («institution», currId.getText().toString());

Retreiver task = new Retreiver();

task.execute («groups», requeslUrl);

}

@Override

public void onNothingSelected (AdapterView<?> arg0) {

}

});

}

private final boolean isOnline() {

ConnectivityManager cm =

(ConnectivityManager) getSystemService (Context.CONNECTIVITY_SERVICE);

NetworkInfo netInfo = cm.getActiveNetworkInfo();

if (netInfo!= null && netInfo.isConnectedOrConnecting() && netInfo.isAvailable()) {

return true;

}

return false;

}

private void getInts() throws JSONException {

dataToSend = new HashMap<String, String>();

dataToSend.put («mode», «getInst»);

Retreiver task = new Retreiver();

task.execute («ints», requeslUrl);

}

private void setInstAdapter (String[] names, String[] ids) {

formList (names, ids, 1);

spinInst.setAdapter (new SpinnerArrayAdapter (this, instAdapter));

}

private void setGroupAdapter (String[] names, String[] ids) {

formList (names, ids, 2);

spinGroup.setAdapter (new SpinnerArrayAdapter (this, groupAdapter));

}

private class Retreiver extends AsyncTask<String, Void, String> {

private String mode;

private String url;

@Override

protected String doInBackground (String… params) {

String response = «»;

mode = params[0];

url = params[1];

HttpParams httpParameters = new BasicHttpParams();

HttpProtocolParams.setContentCharset (httpParameters, HTTP.UTF_8);

HttpProtocolParams.setHttpElementCharset (httpParameters, HTTP.UTF_8);

DefaultHttpClient client = new DefaultHttpClient(httpParameters);

client.getParams().setParameter («http.protocol.content-charset», HTTP.UTF_8);

HttpPost httpPost = new HttpPost(url);

try {

httpPost.setEntity (StaticFunctions.setEntity(dataToSend));

HttpResponse execute = client.execute(httpPost);

InputStream content = execute.getEntity().getContent();

response = StaticFunctions.isToString(content);

} catch (Exception e) {

e.printStackTrace();

return response;

}

@Override

protected void onPostExecute (String result) {

try {

if (mode.equals («ints»)) {

dataList = StaticFunctions.parse (result, instArrName, instFields);

String [] institutions = new String [dataList.size() + 1];

String [] instIds = new String [dataList.size() + 1];

institutions[0] = defInstVal;

instIds[0] = «0»;

String nameField = «name»;

if (locale.equalsIgnoreCase («ru»)) {

nameField += «_ru»;

}

for (int i = 0; i < dataList.size(); i++) {

institutions [i+1] = dataList.get(i).get(nameField);

instIds [i+1] = dataList.get(i).get(idField);

}

setInstAdapter (institutions, instIds);

}

if (mode.equals («groups»)) {

dataList = StaticFunctions.parse (result, groupArrName, groupFields);

String [] groups = new String [dataList.size() + 1];

String [] groupIds = new String [dataList.size() + 1];

groups[0] = defGroupVal;

groupIds[0] = «0»;

String nameField = «name»;

if (locale.equalsIgnoreCase («ru»)) {

nameField += «_ru»;

}

for (int i = 0; i < dataList.size(); i++) {

groups [i+1] = dataList.get(i).get(nameField);

groupIds [i+1] = dataList.get(i).get(idField);

}

setGroupAdapter (groups, groupIds);

}

if (mode.equals («register»)) {

if (result.equals («success»)) {

regDialog();

}

if (result.equals («exists»)) {

showDialog(userExists);

}

}

} catch (JSONException e) {

e.printStackTrace();

}

}

}

private void showDialog (String error) {

SimpleAlert newFragment = SimpleAlert.newInstance(error);

newFragment.show (getFragmentManager(), «dialog»);

}

private void regDialog() {

RegDialog newFragment = RegDialog.newInstance (code_info);

newFragment.show (getFragmentManager(), «dialog»);

}

private static void ckeckCode (String code) {

dataToSend = new HashMap<String, String>();

dataToSend.put («mode», «check»);

dataToSend.put («code», code);

}

public static class RegDialog extends DialogFragment {

public static RegDialog newInstance (String title) {

RegDialog frag = new RegDialog();

Bundle args = new Bundle();

args.putString («title», title);

frag.setArguments(args);

return frag;

}

@Override

public void onCreate (Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

}

@Override

public View onCreateView (LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {

getDialog().setTitle (getArguments().getString («title»));

View v = inflater.inflate (R.layout.custom_dialog, container, false);

Button button = (Button) v.findViewById (R.id.dialog_but);

final EditText cod = (EditText) v.findViewById (R.id.dialog_text);

button.setOnClickListener (new OnClickListener() {

public void onClick (View v) {

ckeckCode (cod.getText().toString());

CheckTask task = new CheckTask();

task.execute(requeslUrl);

}

});

return v;

}

private class CheckTask extends AsyncTask<String, Void, String> {

private String url;

@Override

protected String doInBackground (String… params) {

String response = «»;

url = params[0];

HttpParams httpParameters = new BasicHttpParams();

HttpProtocolParams.setContentCharset (httpParameters, HTTP.UTF_8);

HttpProtocolParams.setHttpElementCharset (httpParameters, HTTP.UTF_8);

DefaultHttpClient client = new DefaultHttpClient(httpParameters);

client.getParams().setParameter («http.protocol.content-charset», HTTP.UTF_8);

HttpPost httpPost = new HttpPost(url);

try {

httpPost.setEntity (StaticFunctions.setEntity(dataToSend));

HttpResponse execute = client.execute(httpPost);

InputStream content = execute.getEntity().getContent();

response = StaticFunctions.isToString(content);

} catch (Exception e) {

e.printStackTrace();

}

return response;

}

@Override

protected void onPostExecute (String result) {

if (result.equals («success»)) {

SimpleAlert newFragment = SimpleAlert.newInstance(okAct);

newFragment.show (getFragmentManager(), «dialog»);

} else {

SimpleAlert newFragment = SimpleAlert.newInstance(errAct);

newFragment.show (getFragmentManager(), «dialog»);

}

}

}

}

}

«SimpleAlert.java»

package com.tokmate;

import android.app. AlertDialog;

import android.app. Dialog;

import android.app. DialogFragment;

import android.content. DialogInterface;

import android.os. Bundle;

public class SimpleAlert extends DialogFragment {

public static SimpleAlert newInstance (String title) {

SimpleAlert frag = new SimpleAlert();

Bundle args = new Bundle();

args.putString («title», title);

frag.setArguments(args);

return frag;

}

@Override

public void onCreate (Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

}

@Override

public Dialog onCreateDialog (Bundle savedInstanceState) {

String title = getArguments().getString («title»);

return new AlertDialog. Builder (getActivity())

setTitle(title)

setPositiveButton («OK»,

new DialogInterface. OnClickListener() {

public void onClick (DialogInterface dialog, int whichButton) {

}

}

).create();

}

}

«SingleLetter.java»

package com.tokmate;

import java.io. InputStream;

import java.util. HashMap;

import java.util. Map;

import org.apache.http. HttpResponse;

import org.apache.http.client.methods. HttpPost;

import org.apache.http.impl.client. DefaultHttpClient;

import android.app. Activity;

import android.content. Context;

import android.content. Intent;

import android.net. ConnectivityManager;

import android.net. NetworkInfo;

import android.os. AsyncTask;

import android.os. Bundle;

import android.text. Html;

import android.widget. TextView;

public class SingleLetter extends Activity {

final String requeslUrl = «http://tokmate.com/get_data.php»;

TextView heading;

TextView from;

TextView body;

String idL;

Map<String, String> dataToSend;

@Override

public void onCreate (Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView (R.layout.single_letter);

heading = (TextView) findViewById (R.id.single_letter_header);

from = (TextView) findViewById (R.id.single_letter_from);

body = (TextView) findViewById (R.id.single_letter_body);

Intent in = getIntent();

String sb = in.getStringExtra («subj»);

String fr = in.getStringExtra («from»);

idL = in.getStringExtra («id»);

heading.setText(sb);

from.setText(fr);

if (isOnline()) {

postData();

}

}

private void setResponse (String str) {

body.setText (Html.fromHtml(str));

}

private void postData() {

dataToSend = new HashMap<String, String>();

dataToSend.put («mode», «getLetterById»);

dataToSend.put («letterId», idL);

SingleLetterRetreiver task = new SingleLetterRetreiver();

task.execute();

}

private class SingleLetterRetreiver extends AsyncTask<Void, Void, String> {

@Override

protected String doInBackground (Void… params) {

DefaultHttpClient client = new DefaultHttpClient();

HttpPost httpPost = new HttpPost(requeslUrl);

String result = null;

try {

httpPost.setEntity (StaticFunctions.setEntity(dataToSend));

HttpResponse execute = client.execute(httpPost);

InputStream content = execute.getEntity().getContent();

result = StaticFunctions.isToString(content);

} catch (Exception e) {

e.printStackTrace();

}

return result;

}

@Override

protected void onPostExecute (String result) {

setResponse(result);

}

}

private final boolean isOnline() {

ConnectivityManager cm =

(ConnectivityManager) getSystemService (Context.CONNECTIVITY_SERVICE);

NetworkInfo netInfo = cm.getActiveNetworkInfo();

if (netInfo!= null && netInfo.isConnectedOrConnecting() && netInfo.isAvailable()) {

return true;

}

return false;

}

}

«SpinnerArrayAdapter.java»

package com.tokmate;

import java.util. List;

import android.app. Activity;

import android.view. View;

import android.view. ViewGroup;

import android.widget. ArrayAdapter;

import android.widget. TextView;

import android.view. LayoutInflater;

public class SpinnerArrayAdapter extends ArrayAdapter<SpinnerItem> {

private final List<SpinnerItem> list;

private final Activity context;

public SpinnerArrayAdapter (Activity context, List<SpinnerItem> list) {

super (context, R.layout.spin_row, list);

this.context = context;

this.list = list;

}

static class ViewHolder {

public TextView idView;

public TextView nameView;

}

@Override

public View getDropDownView (int position, View convertView, ViewGroup parent) {

// TODO Auto-generated method stub

return getView (position, convertView, parent);

}

@Override

public View getView (int position, View convertView, ViewGroup parent) {

ViewHolder holder;

View rowView = convertView;

if (rowView == null) {

LayoutInflater inflater = context.getLayoutInflater();

rowView = inflater.inflate (R.layout.spin_row, null, true);

holder = new ViewHolder();

holder.idView = (TextView) rowView.findViewById (R.id.spinner_row_id);

holder.nameView = (TextView) rowView.findViewById (R.id.spinner_row_name);

rowView.setTag(holder);

} else {

holder = (ViewHolder) rowView.getTag();

}

holder.idView.setText (this.list.get(position).getId());

holder.nameView.setText (this.list.get(position).getName());

return rowView;

}

}

«Start.java»

package com.tokmate;

import android.net. ConnectivityManager;

import android.net. NetworkInfo;

import android.os. Bundle;

import android.app. Activity;

import android.content. Context;

import android.content. Intent;

import android.view. Menu;

import android.view. MenuItem;

import android.view. View;

import android.widget. Button;

import android.widget. TextView;

public class Start extends Activity {

Button reg;

Button login;

TextView netAlert;

String alertMsg;

View. OnClickListener regOnClickListener = new View. OnClickListener() {

@Override

public void onClick (View v) {

Intent regIntent = new Intent (v.getContext(), Register.class);

startActivity(regIntent);

}

};

View. OnClickListener loginOnClickListener = new View. OnClickListener() {

@Override

public void onClick (View v) {

Intent regIntent = new Intent (v.getContext(), Main.class);

startActivity(regIntent);

}

};

@Override

protected void onCreate (Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView (R.layout.activity_start);

setViewsandButtons();

connectionCkeck();

}

@Override

public boolean onCreateOptionsMenu (Menu menu) {

getMenuInflater().inflate (R.menu.start, menu);

menu.findItem (R.id.action_about).setIntent (new Intent (this, About.class));

return true;

}

@Override

public boolean onOptionsItemSelected (MenuItem item) {

super.onOptionsItemSelected(item);

startActivity (item.getIntent());

return true;

}

private final void connectionCkeck() {

alertMsg = getResources().getString (R.string.no_connection);

if (! isOnline()) {

netAlert.setText(alertMsg);

netAlert.setVisibility (View.VISIBLE);

}

}

private final void setViewsandButtons() {

reg = (Button) findViewById (R.id.button_register);

reg.setOnClickListener(regOnClickListener);

login = (Button) findViewById (R.id.button_login);

login.setOnClickListener(loginOnClickListener);

netAlert = (TextView) findViewById (R.id.login_alert_msg);

}

private final boolean isOnline() {

ConnectivityManager cm =

(ConnectivityManager) getSystemService (Context.CONNECTIVITY_SERVICE);

NetworkInfo netInfo = cm.getActiveNetworkInfo();

if (netInfo!= null && netInfo.isConnectedOrConnecting()

&& netInfo.isAvailable()) {

return true;

}

return false;

}

}

«Staticfunctions.java»

package com.tokmate;

import java.io. BufferedReader;

import java.io.IOException;

import java.io. InputStream;

import java.io. InputStreamReader;

import java.io. UnsupportedEncodingException;

import java.util. ArrayList;

import java.util. HashMap;

import java.util. Map;

import org.apache.http. NameValuePair;

import org.apache.http.client.entity. UrlEncodedFormEntity;

import org.apache.http.message. BasicNameValuePair;

import org.json.JSONArray;

import org.json.JSONException;

import org.json.JSONObject;

public class StaticFunctions {

public static ArrayList<HashMap<String, String>> parse (String str, String jsonArrName, String[] fields)

throws JSONException

{

JSONObject json = new JSONObject(str);

JSONArray jsonArr = json.getJSONArray(jsonArrName);

ArrayList<HashMap<String, String>> dataList = new ArrayList<HashMap<String, String>>();

for (int i = 0; i < jsonArr.length(); i++) {

JSONObject row = jsonArr.getJSONObject(i);

HashMap<String, String> map = new HashMap<String, String>();

for (int j = 0; j < fields.length; j++) {

map.put (fields[j], row.getString (fields[j]));

}

dataList.add(map);

}

return dataList;

}

public static UrlEncodedFormEntity setEntity (Map<String, String> dataToSend)

throws UnsupportedEncodingException

{

UrlEncodedFormEntity entity = null;

ArrayList<NameValuePair> parameters = new ArrayList<NameValuePair>();

for (Map. Entry<String, String> entry: dataToSend.entrySet()) {

parameters.add (new BasicNameValuePair (entry.getKey(), entry.getValue()));

}

entity = new UrlEncodedFormEntity(parameters);

return entity;

}

public static String isToString (InputStream is) throws IOException {

BufferedReader r = new BufferedReader (new InputStreamReader(is));

StringBuilder total = new StringBuilder();

String line;

while ((line = r.readLine())!= null) {

total.append(line);

}

return total.toString();

}

}

Размещено на Allbest.ru