Java tutorial
/* This file is part of the Browser webview app. HHS Moodle WebApp is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. HHS Moodle WebApp is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with the Browser webview app. If not, see <http://www.gnu.org/licenses/>. */ package de.baumann.browser.popups; import android.app.AlertDialog; import android.content.ClipData; import android.content.ClipboardManager; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.content.SharedPreferences; import android.database.Cursor; import android.net.Uri; import android.os.Bundle; import android.preference.PreferenceManager; import android.support.design.widget.Snackbar; import android.support.v4.content.ContextCompat; import android.support.v7.app.ActionBar; import android.support.v7.app.AppCompatActivity; import android.support.v7.widget.Toolbar; import android.text.Editable; import android.text.TextWatcher; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.view.WindowManager; import android.widget.AdapterView; import android.widget.EditText; import android.widget.FilterQueryProvider; import android.widget.ListView; import android.widget.SimpleCursorAdapter; import android.widget.TextView; import java.text.DateFormat; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Locale; import de.baumann.browser.Browser_left; import de.baumann.browser.R; import de.baumann.browser.databases.DbAdapter_Bookmarks; import de.baumann.browser.databases.DbAdapter_ReadLater; import de.baumann.browser.helper.helper_editText; import de.baumann.browser.helper.helper_main; public class Popup_readLater extends AppCompatActivity { private ListView listView = null; private EditText editText; private TextView urlBar; private DbAdapter_ReadLater db; private SimpleCursorAdapter adapter; private SharedPreferences sharedPref; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); getWindow().addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS); getWindow().setStatusBarColor(ContextCompat.getColor(Popup_readLater.this, R.color.colorThreeDark)); setContentView(R.layout.activity_popup); helper_main.onStart(Popup_readLater.this); PreferenceManager.setDefaultValues(this, R.xml.user_settings, false); PreferenceManager.setDefaultValues(this, R.xml.user_settings_search, false); sharedPref = PreferenceManager.getDefaultSharedPreferences(this); if (sharedPref.getBoolean("isOpened", false)) { helper_main.checkPin(Popup_readLater.this); } Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar); setSupportActionBar(toolbar); ActionBar actionBar = getSupportActionBar(); if (actionBar != null) { actionBar.setDisplayHomeAsUpEnabled(true); } editText = (EditText) findViewById(R.id.editText); editText.setVisibility(View.GONE); editText.setHint(R.string.app_search_hint); editText.clearFocus(); urlBar = (TextView) findViewById(R.id.urlBar); setTitle(); listView = (ListView) findViewById(R.id.list); //calling Notes_DbAdapter db = new DbAdapter_ReadLater(this); db.open(); setReadLaterList(); onNewIntent(getIntent()); } protected void onNewIntent(final Intent intent) { String action = intent.getAction(); if ("appShortcut".equals(action)) { listView.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView<?> adapterview, View view, int position, long id) { Cursor row = (Cursor) listView.getItemAtPosition(position); final String bookmarks_content = row.getString(row.getColumnIndexOrThrow("bookmarks_content")); Intent i = new Intent(Popup_readLater.this, Browser_left.class); i.putExtra("URL", bookmarks_content); startActivity(i); finish(); } }); } } private void setReadLaterList() { //display data final int layoutstyle = R.layout.list_item; int[] xml_id = new int[] { R.id.textView_title_notes, R.id.textView_des_notes, R.id.textView_create_notes }; String[] column = new String[] { "readLater_title", "readLater_content", "readLater_creation" }; final Cursor row = db.fetchAllData(this); adapter = new SimpleCursorAdapter(this, layoutstyle, row, column, xml_id, 0); //display data by filter final String note_search = sharedPref.getString("filter_readLaterBY", "readLater_title"); sharedPref.edit().putString("filter_readLaterBY", "readLater_title").apply(); editText.addTextChangedListener(new TextWatcher() { public void afterTextChanged(Editable s) { } public void beforeTextChanged(CharSequence s, int start, int count, int after) { } public void onTextChanged(CharSequence s, int start, int before, int count) { adapter.getFilter().filter(s.toString()); } }); adapter.setFilterQueryProvider(new FilterQueryProvider() { public Cursor runQuery(CharSequence constraint) { return db.fetchDataByFilter(constraint.toString(), note_search); } }); listView.setAdapter(adapter); //onClick function listView.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView<?> adapterview, View view, int position, long id) { Cursor row = (Cursor) listView.getItemAtPosition(position); final String readLater_content = row.getString(row.getColumnIndexOrThrow("readLater_content")); sharedPref.edit().putString("openURL", readLater_content).apply(); finish(); } }); listView.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() { public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) { Cursor row2 = (Cursor) listView.getItemAtPosition(position); final String _id = row2.getString(row2.getColumnIndexOrThrow("_id")); final String readLater_title = row2.getString(row2.getColumnIndexOrThrow("readLater_title")); final String readLater_content = row2.getString(row2.getColumnIndexOrThrow("readLater_content")); final String readLater_icon = row2.getString(row2.getColumnIndexOrThrow("readLater_icon")); final String readLater_attachment = row2 .getString(row2.getColumnIndexOrThrow("readLater_attachment")); final String readLater_creation = row2.getString(row2.getColumnIndexOrThrow("readLater_creation")); final CharSequence[] options = { getString(R.string.menu_share), getString(R.string.menu_save), getString(R.string.bookmark_edit_title), getString(R.string.bookmark_remove_bookmark) }; new AlertDialog.Builder(Popup_readLater.this) .setPositiveButton(R.string.toast_cancel, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { dialog.cancel(); } }).setItems(options, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int item) { if (options[item].equals(getString(R.string.bookmark_edit_title))) { sharedPref.edit().putString("edit_id", _id).apply(); sharedPref.edit().putString("edit_content", readLater_content).apply(); sharedPref.edit().putString("edit_icon", readLater_icon).apply(); sharedPref.edit().putString("edit_attachment", readLater_attachment).apply(); sharedPref.edit().putString("edit_creation", readLater_creation).apply(); editText.setVisibility(View.VISIBLE); helper_editText.showKeyboard(Popup_readLater.this, editText, 2, readLater_title, getString(R.string.bookmark_edit_title)); } if (options[item].equals(getString(R.string.bookmark_remove_bookmark))) { Snackbar snackbar = Snackbar .make(listView, R.string.bookmark_remove_confirmation, Snackbar.LENGTH_LONG) .setAction(R.string.toast_yes, new View.OnClickListener() { @Override public void onClick(View view) { db.delete(Integer.parseInt(_id)); setReadLaterList(); } }); snackbar.show(); } if (options[item].equals(getString(R.string.menu_share))) { final CharSequence[] options = { getString(R.string.menu_share_link), getString(R.string.menu_share_link_copy) }; new AlertDialog.Builder(Popup_readLater.this) .setPositiveButton(R.string.toast_cancel, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { dialog.cancel(); } }) .setItems(options, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int item) { if (options[item].equals(getString(R.string.menu_share_link))) { Intent sharingIntent = new Intent(Intent.ACTION_SEND); sharingIntent.setType("text/plain"); sharingIntent.putExtra(Intent.EXTRA_SUBJECT, readLater_title); sharingIntent.putExtra(Intent.EXTRA_TEXT, readLater_content); startActivity(Intent.createChooser(sharingIntent, (getString(R.string.app_share_link)))); } if (options[item] .equals(getString(R.string.menu_share_link_copy))) { ClipboardManager clipboard = (ClipboardManager) Popup_readLater.this .getSystemService(Context.CLIPBOARD_SERVICE); clipboard.setPrimaryClip( ClipData.newPlainText("text", readLater_content)); Snackbar.make(listView, R.string.context_linkCopy_toast, Snackbar.LENGTH_SHORT).show(); } } }).show(); } if (options[item].equals(getString(R.string.menu_save))) { final CharSequence[] options = { getString(R.string.menu_save_bookmark), getString(R.string.menu_save_pass), getString(R.string.menu_createShortcut) }; new AlertDialog.Builder(Popup_readLater.this) .setPositiveButton(R.string.toast_cancel, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { dialog.cancel(); } }) .setItems(options, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int item) { if (options[item].equals(getString(R.string.menu_save_pass))) { helper_editText.editText_savePass(Popup_readLater.this, listView, readLater_title, readLater_content); } if (options[item] .equals(getString(R.string.menu_save_bookmark))) { DbAdapter_Bookmarks db = new DbAdapter_Bookmarks( Popup_readLater.this); db.open(); if (db.isExist(readLater_content)) { Snackbar.make(listView, getString(R.string.toast_newTitle), Snackbar.LENGTH_LONG).show(); } else { db.insert(readLater_title, readLater_content, "", "", helper_main.createDate()); Snackbar.make(listView, R.string.bookmark_added, Snackbar.LENGTH_LONG).show(); } } if (options[item] .equals(getString(R.string.menu_createShortcut))) { Intent i = new Intent(); i.setAction(Intent.ACTION_VIEW); i.setClassName(Popup_readLater.this, "de.baumann.browser.Browser_left"); i.setData(Uri.parse(readLater_content)); Intent shortcut = new Intent(); shortcut.putExtra("android.intent.extra.shortcut.INTENT", i); shortcut.putExtra("android.intent.extra.shortcut.NAME", "THE NAME OF SHORTCUT TO BE SHOWN"); shortcut.putExtra(Intent.EXTRA_SHORTCUT_NAME, readLater_content); shortcut.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, Intent.ShortcutIconResource.fromContext( Popup_readLater.this .getApplicationContext(), R.mipmap.ic_launcher)); shortcut.setAction( "com.android.launcher.action.INSTALL_SHORTCUT"); Popup_readLater.this.sendBroadcast(shortcut); Snackbar.make(listView, R.string.menu_createShortcut_success, Snackbar.LENGTH_SHORT).show(); } } }).show(); } } }).show(); return true; } }); listView.post(new Runnable() { public void run() { listView.setSelection(listView.getCount() - 1); } }); } private void setTitle() { if (sharedPref.getString("sortDBR", "title").equals("title")) { urlBar.setText(getString(R.string.app_title_readLater) + " | " + getString(R.string.sort_title)); } else { urlBar.setText(getString(R.string.app_title_readLater) + " | " + getString(R.string.sort_date)); } } @Override public boolean onPrepareOptionsMenu(Menu menu) { super.onPrepareOptionsMenu(menu); if (sharedPref.getInt("keyboard", 0) == 0) { // normal menu.findItem(R.id.action_cancel).setVisible(false); menu.findItem(R.id.action_save_bookmark).setVisible(false); } else if (sharedPref.getInt("keyboard", 0) == 1) { // filter menu.findItem(R.id.action_sort).setVisible(false); menu.findItem(R.id.action_delete).setVisible(false); menu.findItem(R.id.action_save_bookmark).setVisible(false); } else if (sharedPref.getInt("keyboard", 0) == 2) { // save menu.findItem(R.id.action_filter).setVisible(false); menu.findItem(R.id.action_delete).setVisible(false); menu.findItem(R.id.action_sort).setVisible(false); } return true; // this is important to call so that new menu is shown } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.menu_popup, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { // Handle action bar item clicks here. The action bar will // automatically handle clicks on the Home/Up button, so long // as you specify a parent activity in AndroidManifest.xml. switch (item.getItemId()) { case R.id.filter_title: sharedPref.edit().putString("filter_readLaterBY", "readLater_title").apply(); setReadLaterList(); editText.setVisibility(View.VISIBLE); helper_editText.showKeyboard(Popup_readLater.this, editText, 1, "", getString(R.string.action_filter_title)); return true; case R.id.filter_url: sharedPref.edit().putString("filter_readLaterBY", "readLater_content").apply(); setReadLaterList(); editText.setVisibility(View.VISIBLE); helper_editText.showKeyboard(Popup_readLater.this, editText, 1, "", getString(R.string.action_filter_url)); return true; case R.id.filter_today: DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd", Locale.getDefault()); Calendar cal = Calendar.getInstance(); final String search = dateFormat.format(cal.getTime()); sharedPref.edit().putString("filter_readLaterBY", "readLater_creation").apply(); setReadLaterList(); editText.setText(search); urlBar.setText(getString(R.string.app_title_readLater) + " | " + getString(R.string.filter_today)); return true; case R.id.filter_yesterday: DateFormat dateFormat2 = new SimpleDateFormat("yyyy-MM-dd", Locale.getDefault()); Calendar cal2 = Calendar.getInstance(); cal2.add(Calendar.DATE, -1); final String search2 = dateFormat2.format(cal2.getTime()); sharedPref.edit().putString("filter_readLaterBY", "readLater_creation").apply(); setReadLaterList(); editText.setText(search2); urlBar.setText(getString(R.string.app_title_readLater) + " | " + getString(R.string.filter_yesterday)); return true; case R.id.filter_before: DateFormat dateFormat3 = new SimpleDateFormat("yyyy-MM-dd", Locale.getDefault()); Calendar cal3 = Calendar.getInstance(); cal3.add(Calendar.DATE, -2); final String search3 = dateFormat3.format(cal3.getTime()); sharedPref.edit().putString("filter_readLaterBY", "readLater_creation").apply(); setReadLaterList(); editText.setText(search3); urlBar.setText(getString(R.string.app_title_readLater) + " | " + getString(R.string.filter_before)); return true; case R.id.filter_month: DateFormat dateFormat4 = new SimpleDateFormat("yyyy-MM", Locale.getDefault()); Calendar cal4 = Calendar.getInstance(); final String search4 = dateFormat4.format(cal4.getTime()); sharedPref.edit().putString("filter_readLaterBY", "readLater_creation").apply(); setReadLaterList(); editText.setText(search4); urlBar.setText(getString(R.string.app_title_readLater) + " | " + getString(R.string.filter_month)); return true; case R.id.filter_own: sharedPref.edit().putString("filter_readLaterBY", "readLater_creation").apply(); setReadLaterList(); editText.setVisibility(View.VISIBLE); helper_editText.showKeyboard(Popup_readLater.this, editText, 1, "", getString(R.string.action_filter_create)); return true; case R.id.filter_clear: editText.setVisibility(View.GONE); setTitle(); helper_editText.hideKeyboard(Popup_readLater.this, editText, 0, getString(R.string.app_title_history), getString(R.string.app_search_hint)); setReadLaterList(); return true; case R.id.sort_title: sharedPref.edit().putString("sortDBR", "title").apply(); setReadLaterList(); setTitle(); return true; case R.id.sort_creation: sharedPref.edit().putString("sortDBR", "create").apply(); setReadLaterList(); setTitle(); return true; case R.id.action_cancel: editText.setVisibility(View.GONE); setTitle(); helper_editText.hideKeyboard(Popup_readLater.this, editText, 0, getString(R.string.app_title_readLater), getString(R.string.app_search_hint)); setReadLaterList(); return true; case R.id.action_delete: Snackbar snackbar = Snackbar.make(listView, R.string.toast_list, Snackbar.LENGTH_LONG) .setAction(R.string.toast_yes, new View.OnClickListener() { @Override public void onClick(View view) { Popup_readLater.this.deleteDatabase("readLater_DB_v01.db"); recreate(); } }); snackbar.show(); return true; case R.id.action_save_bookmark: String edit_id = sharedPref.getString("edit_id", ""); String edit_content = sharedPref.getString("edit_content", ""); String edit_icon = sharedPref.getString("edit_icon", ""); String edit_attachment = sharedPref.getString("edit_attachment", ""); String edit_creation = sharedPref.getString("edit_creation", ""); String inputTag = editText.getText().toString().trim(); db.update(Integer.parseInt(edit_id), inputTag, edit_content, edit_icon, edit_attachment, edit_creation); helper_editText.hideKeyboard(Popup_readLater.this, editText, 0, getString(R.string.app_title_readLater), getString(R.string.app_search_hint)); setReadLaterList(); Snackbar.make(listView, R.string.bookmark_added, Snackbar.LENGTH_SHORT).show(); editText.setVisibility(View.GONE); setTitle(); sharedPref.edit().putString("edit_id", "").apply(); sharedPref.edit().putString("edit_content", "").apply(); sharedPref.edit().putString("edit_icon", "").apply(); sharedPref.edit().putString("edit_attachment", "").apply(); sharedPref.edit().putString("edit_creation", "").apply(); return true; case android.R.id.home: sharedPref.edit().putInt("keyboard", 0).apply(); finish(); return true; } return super.onOptionsItemSelected(item); } }