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package com.grundfos.android.people; |
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import java.util.Date; |
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import android.app.AlertDialog; |
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import android.app.ListActivity; |
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import android.app.ProgressDialog; |
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import android.content.Context; |
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import android.content.DialogInterface; |
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import android.content.Intent; |
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import android.content.SharedPreferences; |
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import android.database.Cursor; |
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import android.net.ConnectivityManager; |
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import android.os.Bundle; |
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import android.os.Handler; |
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import android.os.Message; |
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import android.os.PowerManager; |
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import android.text.Editable; |
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import android.text.TextWatcher; |
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import android.util.Log; |
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import android.view.KeyEvent; |
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import android.view.Menu; |
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import android.view.MenuItem; |
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import android.view.View; |
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import android.widget.EditText; |
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import android.widget.ListView; |
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import android.widget.SimpleCursorAdapter; |
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import android.widget.TextView; |
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import android.widget.TextView.OnEditorActionListener; |
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public class PeopleList extends ListActivity { |
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public static final int DOWNLOAD = 1010; |
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public static final int ABOUT = 1011; |
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public static final int DOWNLOAD_SUCCESS = 0; |
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public static final int DOWNLOAD_FAILED = 1; |
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public static final String PREF_LAST_DB_UPDATE = "LastDbUpdate"; |
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public static final String PREFS = "PeoplePrefs"; |
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PeopleDatabase peopleDB; |
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ProgressDialog dialog; |
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SimpleCursorAdapter adapter; |
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@Override |
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public void onCreate(Bundle savedInstanceState) { |
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super.onCreate(savedInstanceState); |
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setContentView(R.layout.main); |
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peopleDB = new PeopleDatabase(this); |
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adapter = new SimpleCursorAdapter(this, |
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R.layout.row, // Use a template |
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// that displays a |
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// text view |
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null , // Give the cursor to the list adatper |
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new String[] { "name", "inits", "company" }, // Map the NAME column in the |
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// people database to... |
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new int[] {R.id.name, R.id.init, R.id.company}); // The "text1" view defined in |
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// the XML template |
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setListAdapter( adapter ) ; |
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EditText et = (EditText) findViewById( R.id.entry); |
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et.setOnEditorActionListener( new OnEditorActionListener() { |
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public boolean onEditorAction (TextView v, int actionId, KeyEvent event) { |
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Log.e("Atest", "asd: " + event ); |
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return true; |
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} |
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}); |
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et.addTextChangedListener( new TextWatcher() { |
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public void afterTextChanged(Editable s) { |
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searchStringChanged(s.toString()); |
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} |
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public void onTextChanged(CharSequence s, int start, int before, int count){ |
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} |
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public void beforeTextChanged(CharSequence s, int start, int count, int after){ |
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} |
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}); |
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if ( peopleDB.getPeopleCount() == 0) |
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onEmptyDB(); |
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Log.i("PeopleList", "Activity started"); |
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} |
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@Override |
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protected void finalize() throws Throwable { |
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peopleDB.close(); |
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super.finalize(); |
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} |
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public void onEmptyDB() |
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{ |
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AlertDialog.Builder builder = new AlertDialog.Builder(this); |
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builder.setMessage("Database is empty, download data now?") |
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.setCancelable(false) |
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.setPositiveButton("Yes", new DialogInterface.OnClickListener() { |
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public void onClick(DialogInterface dialog, int id) { |
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dialog.dismiss(); |
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loadDatabase(); |
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} |
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}) |
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.setNegativeButton("No", new DialogInterface.OnClickListener() { |
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public void onClick(DialogInterface dialog, int id) { |
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dialog.cancel(); |
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} |
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}) |
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.show(); |
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} |
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public void searchStringChanged(String search) |
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{ |
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Cursor names = null; |
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if (search.trim().length() >= 2) |
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names = peopleDB.getPeopleList(search); |
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adapter.changeCursor(names); |
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adapter.notifyDataSetChanged(); |
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} |
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protected void onListItemClick (ListView l, View v, int position, long id) |
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{ |
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Intent intent = new Intent(this, PeopleDetails.class); |
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intent.putExtra("id", id); |
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startActivity(intent); |
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} |
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@Override |
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public boolean onOptionsItemSelected(MenuItem item) { |
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switch (item.getItemId()) { |
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case DOWNLOAD: |
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loadDatabase(); |
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return true; |
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case ABOUT: |
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showAbout(); |
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return true; |
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} |
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return super.onOptionsItemSelected(item); |
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} |
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@Override |
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public boolean onCreateOptionsMenu(Menu menu) { |
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menu.add(0, DOWNLOAD, 0, "Download DB"); |
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menu.add(0, ABOUT, 0, "About"); |
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return true; |
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} |
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public void showAbout() { |
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SharedPreferences settings = getSharedPreferences(PREFS, 0); |
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StringBuffer message = new StringBuffer(); |
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message.append("Grundfos People v0.1\n"); |
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message.append("By Torben Hørup Nielsen\n"); |
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message.append("Database size: ").append(peopleDB.getPeopleCount()).append("\n"); |
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message.append("Last DB update: ").append( settings.getString(PREF_LAST_DB_UPDATE, " - never -")); |
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showMessage(message.toString()); |
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} |
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public void showMessage(String message) { |
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AlertDialog.Builder builder = new AlertDialog.Builder(this); |
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builder.setMessage(message) |
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.setCancelable(false) |
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.setPositiveButton("OK", new DialogInterface.OnClickListener() { |
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public void onClick(DialogInterface dialog, int id) { |
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dialog.dismiss(); |
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} |
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}) |
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.show(); |
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} |
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public void loadDatabase() |
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{ |
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ConnectivityManager cm = (ConnectivityManager) this.getSystemService(Context.CONNECTIVITY_SERVICE); |
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if (cm.getActiveNetworkInfo().getType() != ConnectivityManager.TYPE_WIFI) { |
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AlertDialog.Builder builder = new AlertDialog.Builder(this); |
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builder.setMessage("You are not connected to a WiFi network. It is not recommended to load a DB via mobile network") |
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.setCancelable(false) |
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.setPositiveButton("Continue", new DialogInterface.OnClickListener() { |
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public void onClick(DialogInterface dialog, int id) { |
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dialog.dismiss(); |
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startLoadDatabase(); |
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} |
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}) |
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.setNegativeButton("Abort", new DialogInterface.OnClickListener() { |
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public void onClick(DialogInterface dialog, int id) { |
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dialog.cancel(); |
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} |
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}) |
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.show(); |
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} else { |
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startLoadDatabase(); |
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} |
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} |
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public void startLoadDatabase() |
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{ |
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dialog = new ProgressDialog(this); |
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dialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL); |
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dialog.setMessage("Loading..."); |
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dialog.setCancelable(false); |
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dialog.show(); |
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Thread t = new Thread(reloadDB); |
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t.start(); |
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} |
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private Handler progressHandler = new Handler() { |
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public void handleMessage(Message msg) { |
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if (msg.what == 0) |
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dialog.setMax( msg.arg1 ); |
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else |
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dialog.setProgress(msg.arg1); |
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} |
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}; |
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private Handler dbUpdateHandler = new Handler() { |
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@Override |
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public void handleMessage(Message msg) { |
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dialog.dismiss(); |
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if (msg.what == DOWNLOAD_SUCCESS) { |
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Date d = new Date(); |
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SharedPreferences settings = getSharedPreferences(PREFS, 0); |
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SharedPreferences.Editor ed = settings.edit(); |
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ed.putString(PREF_LAST_DB_UPDATE, d.toLocaleString()); |
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ed.commit(); |
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} else { |
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showMessage("Download failed"); |
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} |
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} |
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}; |
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Runnable reloadDB = new Runnable() { |
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public void run() { |
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PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE); |
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PowerManager.WakeLock wl = pm.newWakeLock(PowerManager.SCREEN_DIM_WAKE_LOCK, "My Tag"); |
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try |
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{ |
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wl.acquire(); |
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peopleDB.loadData(progressHandler); |
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dbUpdateHandler.sendEmptyMessage(DOWNLOAD_SUCCESS); |
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} catch (Exception e) { |
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Log.e("PeopleList", "reloadDB", e); |
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dbUpdateHandler.sendEmptyMessage(DOWNLOAD_FAILED); |
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} finally { |
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wl.release(); |
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} |
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} |
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}; |
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} |