Java tutorial
/* * Copyright (C) 2009 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package edu.missouri.niaaa.ema.activity; import java.io.File; import java.util.ArrayList; import java.util.Calendar; import java.util.List; import org.apache.http.HttpResponse; import org.apache.http.NameValuePair; import org.apache.http.client.entity.UrlEncodedFormEntity; import org.apache.http.client.methods.HttpPost; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.message.BasicNameValuePair; import org.apache.http.protocol.HTTP; import org.apache.http.util.EntityUtils; import edu.missouri.niaaa.ema.R; import edu.missouri.niaaa.ema.Utilities; import android.app.Activity; import android.app.AlertDialog; import android.app.Dialog; import android.app.TabActivity; import android.content.Context; import android.content.DialogInterface; import android.content.SharedPreferences; import android.content.SharedPreferences.Editor; import android.os.AsyncTask; import android.os.Bundle; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.inputmethod.InputMethodManager; import android.widget.Button; import android.widget.CheckBox; import android.widget.EditText; import android.widget.TabHost; import android.widget.TabHost.OnTabChangeListener; import android.widget.TextView; import android.widget.Toast; /** * This Activity appears as a dialog. It lists any paired devices and * devices detected in the area after discovery. When a device is chosen * by the user, the MAC address of the device is sent back to the parent * Activity in the result Intent. */ @SuppressWarnings("deprecation") public class AdminManageActivity extends TabActivity { private TabHost tabHost; private String TAG = "TAG~~~~~~~~~~~~~~~~~~~"; String AsIdHint; String RmIdHint; String currentAssID; SharedPreferences shp; private Editor editor; EditText asID; EditText deasID; Button AssignButton; Button RemoveButton; Context ctx; InputMethodManager imm; EditText adminPin; TextView alert_text; Dialog DialadminPin; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); Log.d(TAG, "OnCreate!!~~~"); ctx = this; // Setup the window //requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS); // Set result CANCELED incase the user backs out setResult(Activity.RESULT_CANCELED); //////////////////////////////////////////////////////////////////// tabHost = getTabHost(); LayoutInflater.from(this).inflate(R.layout.activity_admin_manage, tabHost.getTabContentView(), true); tabHost.addTab(tabHost.newTabSpec("Assign ID").setIndicator("Assign ID", null).setContent(R.id.tab_assign)); tabHost.addTab(tabHost.newTabSpec("Remove ID").setIndicator("Remove ID", null).setContent(R.id.tab_logoff)); setContentView(tabHost); shp = getSharedPreferences(Utilities.SP_LOGIN, Context.MODE_PRIVATE); editor = shp.edit(); asID = (EditText) findViewById(R.id.assigned_ID); deasID = (EditText) findViewById(R.id.deassigned_ID); AssignButton = (Button) findViewById(R.id.btn_assign); RemoveButton = (Button) findViewById(R.id.btn_remove); imm = (InputMethodManager) ctx.getSystemService(Context.INPUT_METHOD_SERVICE); //imm.toggleSoftInput(0, InputMethodManager.RESULT_SHOWN); //imm.showSoftInput(asID, InputMethodManager.RESULT_SHOWN); imm.toggleSoftInput(InputMethodManager.HIDE_NOT_ALWAYS, InputMethodManager.RESULT_HIDDEN); asID.setFocusable(true); asID.setFocusableInTouchMode(true); asID.requestFocus(); setListeners(); DialadminPin = AdminPinSetDialog(this); DialadminPin.show(); setHints(); } private Dialog AdminPinSetDialog(Context context) { LayoutInflater inflater = LayoutInflater.from(context); final View textEntryView = inflater.inflate(R.layout.pin_input, null); TextView pinText = (TextView) textEntryView.findViewById(R.id.pin_text); pinText.setText(R.string.admin_set_msg); AlertDialog.Builder builder = new AlertDialog.Builder(context); builder.setCancelable(false); builder.setTitle(R.string.admin_set_title); builder.setView(textEntryView); builder.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int whichButton) { EditText pinEdite = (EditText) textEntryView.findViewById(R.id.pin_edit); String pinStr = pinEdite.getText().toString(); Utilities.Log("Pin Dialog", "pin String is " + pinStr); String data = null; try { data = Utilities.encryption("0000" + "," + "1" + "," + pinStr); } catch (Exception e1) { // TODO Auto-generated catch block e1.printStackTrace(); } /* check network*/ /* prepare params for server*/ HttpPost request = new HttpPost(Utilities.VALIDATE_ADDRESS); List<NameValuePair> params = new ArrayList<NameValuePair>(); params.add(new BasicNameValuePair("data", data)); // //file_name // params.add(new BasicNameValuePair("userID","0000")); // //function // params.add(new BasicNameValuePair("pre","1")); // //data // params.add(new BasicNameValuePair("password",pinStr)); /* check identity*/ try { request.setEntity(new UrlEncodedFormEntity(params, HTTP.UTF_8)); HttpResponse response = new DefaultHttpClient().execute(request); if (response.getStatusLine().getStatusCode() == 200) { String result = EntityUtils.toString(response.getEntity()); Log.d("~~~~~~~~~~http post result", result); if (result.equals("AdminIsChecked")) { //do nothing } else if (result.equals("AdminPinIsInvalid")) { imm.toggleSoftInput(0, InputMethodManager.RESULT_SHOWN); imm.toggleSoftInput(InputMethodManager.HIDE_IMPLICIT_ONLY, 0); Toast.makeText(getApplicationContext(), R.string.input_apin_failed, Toast.LENGTH_SHORT) .show(); finish(); } else { imm.toggleSoftInput(0, InputMethodManager.RESULT_SHOWN); imm.toggleSoftInput(InputMethodManager.HIDE_IMPLICIT_ONLY, 0); Toast.makeText(getApplicationContext(), R.string.input_apin_error, Toast.LENGTH_SHORT) .show(); finish(); } } else { Toast.makeText(getApplicationContext(), R.string.input_apin_return, Toast.LENGTH_SHORT) .show(); finish(); } } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); imm.toggleSoftInput(0, InputMethodManager.RESULT_SHOWN); imm.toggleSoftInput(InputMethodManager.HIDE_IMPLICIT_ONLY, 0); Toast.makeText(getApplicationContext(), R.string.input_apin_net_error, Toast.LENGTH_SHORT) .show(); ; finish(); } } }); builder.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int whichButton) { imm.toggleSoftInput(0, InputMethodManager.RESULT_SHOWN); imm.toggleSoftInput(InputMethodManager.HIDE_IMPLICIT_ONLY, 0); finish(); } }); return builder.create(); } private void setHints() { // TODO Auto-generated method stub asID.setText(""); currentAssID = shp.getString(Utilities.SP_KEY_LOGIN_USERID, ""); Log.d(TAG, "set Hints is " + shp.getString(Utilities.SP_KEY_LOGIN_USERID, "")); if (currentAssID.equals("")) { AsIdHint = getString(R.string.assign_hint); RmIdHint = getString(R.string.remove_hint); } else { AsIdHint = "Current " + shp.getString(Utilities.SP_KEY_LOGIN_USERID, ""); RmIdHint = shp.getString(Utilities.SP_KEY_LOGIN_USERID, ""); } asID.setHint(AsIdHint); deasID.setHint(RmIdHint); } private void setListeners() { // TODO Auto-generated method stub Log.d(TAG, "Ontabchangedlistener!!~~~"); tabHost.setOnTabChangedListener(new OnTabChangeListener() { @Override public void onTabChanged(String arg0) { // TODO Auto-generated method stub Log.d(TAG, "~~" + arg0); setHints(); if (arg0.equals("Assign ID")) { imm.toggleSoftInput(0, InputMethodManager.RESULT_HIDDEN); Log.d(TAG, "assign id "); } else { imm.toggleSoftInput(0, InputMethodManager.RESULT_SHOWN); imm.toggleSoftInput(InputMethodManager.HIDE_IMPLICIT_ONLY, 0); Log.d(TAG, "deassign id"); } } }); AssignButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub Log.d(TAG, "assign btn " + asID.getText().toString()); //editor.putString(ASID, asID.getText().toString()); //format check //editor.putString(ASPWD, ""); //editor.commit(); //setHints(); /* check network*/ /* prepare params for server*/ String asedID = asID.getText().toString(); Log.d(TAG, "get from edittext is " + asedID); String data = null; try { data = Utilities.encryption(asedID + "," + "2"); } catch (Exception e1) { // TODO Auto-generated catch block e1.printStackTrace(); } HttpPost request = new HttpPost(Utilities.VALIDATE_ADDRESS); List<NameValuePair> params = new ArrayList<NameValuePair>(); params.add(new BasicNameValuePair("data", data)); // //file_name // params.add(new BasicNameValuePair("userID",asedID)); // //function // params.add(new BasicNameValuePair("pre","2")); // //data // //params.add(new BasicNameValuePair("password","")); /* check identity*/ try { request.setEntity(new UrlEncodedFormEntity(params, HTTP.UTF_8)); HttpResponse response = new DefaultHttpClient().execute(request); if (response.getStatusLine().getStatusCode() == 200) { String result = EntityUtils.toString(response.getEntity()); Log.d("~~~~~~~~~~http post result2 ", result); if (result.equals("UserIDIsNotSet")) { //add in web page first String s1 = getString(R.string.assign_id_null); assignFailDialog(ctx, s1).show(); } else if (result.equals("UserIDIsUsed")) { String s2 = getString(R.string.assing_id_exist) + asedID; assignConfirmDialog(ctx, s2, true).show(); } else if (result.equals("UserIDIsNotActive")) { //assign String s3 = getString(R.string.assign_id_new) + asedID; assignConfirmDialog(ctx, s3, false).show(); } else { String s4 = getString(R.string.assign_id_wrong); assignFailDialog(ctx, s4).show(); } } } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); String s4 = getString(R.string.assign_id_net_error); assignFailDialog(ctx, s4).show(); } } }); RemoveButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub Log.d(TAG, "remove btn "); //add a confirm dialog setHints(); Log.d(TAG, "cur is " + currentAssID); if (!currentAssID.equals("")) { removeDialog(ctx).show(); } } }); } private void cleanUp(Context context) { Utilities.getSP(context, Utilities.SP_BED_TIME).edit().clear().commit(); Utilities.getSP(context, Utilities.SP_RANDOM_TIME).edit().clear().commit(); Utilities.getSP(context, Utilities.SP_SURVEY).edit().clear().commit(); Utilities.getSP(context, Utilities.SP_LOGIN).edit().clear().commit(); } private Dialog removeDialog(Context context) { LayoutInflater inflater = LayoutInflater.from(context); final View textEntryView = inflater.inflate(R.layout.remove_id, null); final CheckBox rm_check = (CheckBox) textEntryView.findViewById(R.id.rm_local); rm_check.setText(R.string.remove_local); AlertDialog.Builder builder = new AlertDialog.Builder(context); builder.setView(textEntryView); builder.setCancelable(false); builder.setTitle(R.string.assign_remove_title); builder.setMessage(R.string.remove_msg); builder.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { // TODO Auto-generated method stub cleanUp(ctx);//replace following // editor.putString(Utilities.SP_KEY_LOGIN_USERID, ""); // editor.putString(Utilities.SP_KEY_LOGIN_USERPWD, ""); // editor.putString(Utilities.SP_KEY_LOGIN_STUDY_STARTTIME, ""); // editor.commit(); // remove local file, if checked Log.d(TAG, "is checked " + rm_check.isChecked()); if (rm_check.isChecked()) { deleteDirectory(Utilities.PHONE_BASE_PATH); } setHints(); finish(); } }); builder.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { // TODO Auto-generated method stub } }); return builder.create(); } public void deleteDirectory(String dest) { File f = new File(dest); if (f.exists()) { if (f.isDirectory()) { File[] fs = f.listFiles(); if (fs.length > 0) { for (File file : fs) { deleteDirectory(file.getAbsolutePath()); } } } f.delete(); } } private Dialog assignFailDialog(Context context, String str) { AlertDialog.Builder builder = new AlertDialog.Builder(context); builder.setCancelable(false); builder.setTitle(R.string.assign_confirm_title); builder.setMessage(str); builder.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int whichButton) { setHints(); } }); return builder.create(); } private Dialog assignConfirmDialog(Context context, String str, boolean startNewWeek) { LayoutInflater inflater = LayoutInflater.from(context); final View textEntryView = inflater.inflate(R.layout.remove_id, null); final CheckBox rm_check = (CheckBox) textEntryView.findViewById(R.id.rm_local); rm_check.setText(R.string.assign_new_week); AlertDialog.Builder builder = new AlertDialog.Builder(context); if (startNewWeek) { builder.setView(textEntryView); } builder.setCancelable(false); builder.setTitle(R.string.assign_confirm_title); builder.setMessage(str); builder.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int whichButton) { editor.putString(Utilities.SP_KEY_LOGIN_USERID, asID.getText().toString()); Log.d("here!!!", "id is " + asID.getText().toString()); //format check editor.putString(Utilities.SP_KEY_LOGIN_USERPWD, ""); editor.putString(Utilities.SP_KEY_LOGIN_STUDY_STARTTIME, "" + Calendar.getInstance().getTimeInMillis()); editor.commit(); //start new study week, if checked if (rm_check.isChecked()) { String UID = null; try { UID = Utilities.encryption(asID.getText().toString()); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } ChangeStudyWeek changeStudyWeek = new ChangeStudyWeek(); changeStudyWeek.execute(UID); } setHints(); //continue with set user pin (8) setResult(Activity.RESULT_OK); finish(); } }); builder.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { // TODO Auto-generated method stub setHints(); } }); return builder.create(); } private class ChangeStudyWeek extends AsyncTask<String, Void, Boolean> { @Override protected Boolean doInBackground(String... strings) { // TODO Auto-generated method stub String UID = strings[0]; HttpPost request = new HttpPost(Utilities.STUDY_DAY_MODIFY_ADDRESS); List<NameValuePair> params = new ArrayList<NameValuePair>(); params.add(new BasicNameValuePair("UID", UID)); //params.add(new BasicNameValuePair("userID", UID)); try { request.setEntity(new UrlEncodedFormEntity(params, HTTP.UTF_8)); HttpResponse response = new DefaultHttpClient().execute(request); if (response.getStatusLine().getStatusCode() == 200) { // String result = EntityUtils.toString(response.getEntity()); } return true; } catch (Exception e) { e.printStackTrace(); return false; } } } @Override protected void onDestroy() { super.onDestroy(); DialadminPin.dismiss(); imm.toggleSoftInput(0, InputMethodManager.RESULT_SHOWN); imm.toggleSoftInput(InputMethodManager.HIDE_IMPLICIT_ONLY, 0); } }