Files
ZoomHelperAndroid/app/src/main/java/de/joel/zoomhelper/MainActivity.java
T
2021-03-12 22:22:49 +01:00

531 lines
18 KiB
Java

package de.joel.zoomhelper;
import android.annotation.SuppressLint;
import android.content.ClipData;
import android.content.ClipboardManager;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.net.Uri;
import android.os.Bundle;
import android.util.AttributeSet;
import android.util.Base64;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.AutoCompleteTextView;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.ScrollView;
import android.widget.Toast;
import androidx.appcompat.app.AlertDialog;
import androidx.appcompat.app.AppCompatActivity;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.EOFException;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Objects;
class InstantAutoComplete extends androidx.appcompat.widget.AppCompatAutoCompleteTextView {
public InstantAutoComplete(Context context) {
super(context);
}
public InstantAutoComplete(Context arg0, AttributeSet arg1) {
super(arg0, arg1);
}
public InstantAutoComplete(Context arg0, AttributeSet arg1, int arg2) {
super(arg0, arg1, arg2);
}
@Override
public boolean enoughToFilter() {
return true;
}
}
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
final ScrollView scrollview = ((ScrollView) findViewById(R.id.scrollArea));
scrollview.post(() -> scrollview.scrollTo(0, scrollview.getChildAt(0).getHeight()));
watchMeetingNameBox();
fillDropdownMeetingName();
if (getLastMeeting() != -1) {
try {
fillMeeting(getLastMeeting());
}
catch (IndexOutOfBoundsException e) {
AlertDialog.Builder dialog=new AlertDialog.Builder(this);
dialog.setMessage(R.string.resetDataText);
dialog.setTitle(R.string.hint);
AlertDialog alertDialog=dialog.create();
alertDialog.show();
setLastMeeting(-1);
saveMeetingList(new ArrayList<>());
}
}
watchSaveIcon();
watchAttIcon();
watchDeleteIcon();
watchNewIcon();
watchShareIcon();
}
private void watchShareIcon() {
ImageView ShareIcon = findViewById(R.id.imageShare);
ShareIcon.setOnClickListener(v -> shareMeeting(createCurrMeetingFromUI()));
}
private void shareMeeting(Meeting meeting) {
Intent sendIntent = new Intent();
sendIntent.setAction(Intent.ACTION_SEND);
sendIntent.putExtra(Intent.EXTRA_TEXT, meeting.info());
sendIntent.setType("text/plain");
Intent shareIntent = Intent.createChooser(sendIntent, null);
startActivity(shareIntent);
}
private void watchNewIcon() {
ImageView AddIcon = findViewById(R.id.imageAdd);
AddIcon.setOnClickListener(v -> fillBlank());
}
private void watchAttIcon() {
ImageView AttIcon = findViewById(R.id.imageAttend);
AttIcon.setOnClickListener(v -> btnJoin_onClick(null));
}
private void watchDeleteIcon() {
ImageView trashIcon = findViewById(R.id.imageTrash);
trashIcon.setOnClickListener(v -> removeMeeting(getLastMeeting()));
}
private void removeMeeting(int meeting) {
ArrayList<Meeting> meetings = getMeetings();
if (meetings.size() > 0) {
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle(R.string.app_name);
builder.setMessage(getString(R.string.suretoremove, meetings.get(meeting).meetingName));
builder.setPositiveButton(R.string.yes, (dialog, which) -> {
dialog.dismiss();
meetings.remove(meeting);
saveMeetingList(meetings);
if (meetings.size() > 1) {
fillDropdownMeetingName();
if (getLastMeeting() > meetings.size()-1) {
setLastMeeting(meetings.size()-1);
fillMeeting(getLastMeeting());
}
} else if (meetings.size() == 1) {
setLastMeeting(0);
fillDropdownMeetingName();
fillMeeting(getLastMeeting());
} else {
setLastMeeting(-1);
fillDropdownMeetingName();
fillBlank();
}
});
builder.setNegativeButton(R.string.no, (dialog, which) -> {
dialog.dismiss();
});
AlertDialog alert = builder.create();
alert.show();
}
}
private void fillBlank() {
EditText editMeetingName = findViewById(R.id.TextMeetingName);
EditText editID = findViewById(R.id.textBoxID);
EditText editPW = findViewById(R.id.editTextTextPassword2);
AutoCompleteTextView editName = findViewById(R.id.textBoxName);
EditText editAtt = findViewById(R.id.editAtt);
editMeetingName.setText("");
editID.setText("");
editPW.setText("");
editName.setText("");
editName.setAdapter(null);
editAtt.setText("");
}
private void watchSaveIcon() {
ImageView saveIcon = findViewById(R.id.imageSave);
saveIcon.setOnClickListener(v -> saveAllMeetings());
}
public void watchMeetingNameBox() {
EditText meetingNameBox = findViewById(R.id.TextMeetingName);
meetingNameBox.setOnFocusChangeListener((v, hasFocus) -> {
if (!hasFocus) {
fillWithSelectedMeeting();
}
});
}
public void fillWithSelectedMeeting() {
AutoCompleteTextView textMeetingName = findViewById(R.id.TextMeetingName);
int search = searchMeetingInList(getMeetings(), textMeetingName.getText().toString());
if (search != -1) {
fillMeeting(search);
}
}
@SuppressLint("ClickableViewAccessibility")
public void fillDropdownMeetingName() {
ArrayList<Meeting> meetings = getMeetings();
String[] meetingNames = new String[meetings.size()];
for (int i = 0; i < meetings.size(); i++) {
meetingNames[i] = meetings.get(i).meetingName;
}
AutoCompleteTextView textMeetingName = findViewById(R.id.TextMeetingName);
ImageView dropdown = findViewById(R.id.image);
ArrayAdapter<String> adapter = new ArrayAdapter<>(this, android.R.layout.simple_dropdown_item_1line, meetingNames);
textMeetingName.setAdapter(adapter);
textMeetingName.setOnTouchListener((View.OnTouchListener) (paramView, paramMotionEvent) -> {
adapter.getFilter().filter(null);
textMeetingName.showDropDown();
return false;
});
textMeetingName.setOnItemClickListener((arg0, view, arg2, arg3) -> fillWithSelectedMeeting());
dropdown.setOnClickListener(v -> {
textMeetingName.showDropDown();
adapter.getFilter().filter(null);
});
}
public void fillDropdownAttendeeName(int meetingIndex) {
Meeting meeting = getMeetings().get(meetingIndex);
ArrayList<Attendee> attendees = meeting.attendees;
String[] attNames = new String[attendees.size()];
for (int i = 0; i < attendees.size(); i++) {
attNames[i] = attendees.get(i).name;
}
AutoCompleteTextView textName = findViewById(R.id.textBoxName);
ImageView dropdown = findViewById(R.id.image2);
ArrayAdapter<String> adapter = new ArrayAdapter<>(this, android.R.layout.simple_dropdown_item_1line, attNames);
textName.setAdapter(adapter);
textName.setOnItemClickListener((arg0, view, arg2, arg3) -> fillWithSelectedAtt());
dropdown.setOnClickListener(v -> {
textName.showDropDown();
adapter.getFilter().filter(null);
});
}
private void fillWithSelectedAtt() {
AutoCompleteTextView textName = findViewById(R.id.textBoxName);
EditText editAtt = findViewById(R.id.editAtt);
int found = getMeetings().get(getLastMeeting()).searchAttendee(textName.getText().toString());
editAtt.setText(getMeetings().get(getLastMeeting()).attendees.get(found).num);
}
public void fillMeeting(int id) {
ArrayList<Meeting> meetings = getMeetings();
EditText editMeetingName = findViewById(R.id.TextMeetingName);
EditText editID = findViewById(R.id.textBoxID);
EditText editPW = findViewById(R.id.editTextTextPassword2);
EditText editName = findViewById(R.id.textBoxName);
EditText editAtt = findViewById(R.id.editAtt);
editID.setError(null);
editID.clearFocus();
editMeetingName.setText(meetings.get(id).meetingName);
editID.setText(meetings.get(id).meetingID);
editPW.setText(meetings.get(id).meetingPWD);
editName.setText(meetings.get(id).attendees.get(meetings.get(id).lastAtt).name);
editAtt.setText(meetings.get(id).attendees.get(meetings.get(id).lastAtt).num);
fillDropdownAttendeeName(id);
}
private void launchZoomUrl(String url) {
Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
if (intent.resolveActivity(getPackageManager()) != null) {
startActivity(intent);
}
//For Debugging: Show URL in Alert
AlertDialog.Builder dialog=new AlertDialog.Builder(this);
dialog.setMessage(url);
dialog.setTitle("Zoom URL (for testing)");
AlertDialog alertDialog=dialog.create();
alertDialog.show();
}
private String buildZoomURL(String confno, String pwd, String name, String attendees) {
Uri.Builder builder = new Uri.Builder();
builder.scheme("zoomus")
.authority("zoom.us")
.appendPath("join")
.appendQueryParameter("confno",confno.replace(" ", ""))
.appendQueryParameter("pwd", pwd);
if (!Objects.equals(attendees, "")) {
builder.appendQueryParameter("uname", name + " (" + attendees + ")");
} else
builder.appendQueryParameter("uname", name);
return builder.build().toString();
}
public String meetingsToString(ArrayList<Meeting> listMeetings) {
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
ObjectOutputStream objOutputStream = null;
try {
objOutputStream = new ObjectOutputStream(byteArrayOutputStream);
} catch (IOException e) {
e.printStackTrace();
}
for (Object obj : listMeetings) {
try {
if (objOutputStream == null) throw new AssertionError();
objOutputStream.writeObject(obj);
} catch (IOException e) {
e.printStackTrace();
}
try {
objOutputStream.reset();
} catch (IOException e) {
e.printStackTrace();
}
}
try {
if (objOutputStream == null) throw new AssertionError();
objOutputStream.close();
} catch (IOException e) {
e.printStackTrace();
}
return Base64.encodeToString(byteArrayOutputStream.toByteArray(), 0);
}
public ArrayList<Meeting> stringToMeetings(String string) {
byte[] bytes = Base64.decode(string, 0);
ArrayList<Meeting> listMeetings = new ArrayList<>();
ByteArrayInputStream bis = new ByteArrayInputStream(bytes);
ObjectInputStream obj = null;
try {
obj = new ObjectInputStream(bis);
} catch (IOException e) {
e.printStackTrace();
}
try {
while (bis.available() != -1) {
//Read object from file
if (obj == null) throw new AssertionError();
Meeting meeting = (Meeting) obj.readObject();
listMeetings.add(meeting);
}
} catch (EOFException ex) {
//ex.printStackTrace();
} catch (IOException | ClassNotFoundException e) {
e.printStackTrace();
}
return listMeetings;
}
@SuppressLint("ApplySharedPref")
public void saveMeetingList(ArrayList<Meeting> meetingList) {
SharedPreferences mPrefs = getPreferences(MODE_PRIVATE);
SharedPreferences.Editor prefsEditor = mPrefs.edit();
prefsEditor.putString("Meetings", meetingsToString(meetingList));
prefsEditor.commit();
}
@SuppressLint("ApplySharedPref")
public void setLastMeeting(int id) {
SharedPreferences mPrefs = getPreferences(MODE_PRIVATE);
SharedPreferences.Editor prefsEditor = mPrefs.edit();
prefsEditor.putInt("LastMeeting", id);
prefsEditor.commit();
}
public int getLastMeeting() {
SharedPreferences mPrefs = getPreferences(MODE_PRIVATE);
return mPrefs.getInt("LastMeeting", -1);
}
public ArrayList<Meeting> getMeetings() {
SharedPreferences mPrefs = getPreferences(MODE_PRIVATE);
String value = mPrefs.getString("Meetings", "");
ArrayList<Meeting> meetingList;
if (value.equals("")) {
meetingList = new ArrayList<>();
} else {
meetingList = stringToMeetings(value);
}
return meetingList;
}
public int searchMeetingInList(ArrayList<Meeting> meetings, String name) {
int found = -1;
for (int i = 0; i < meetings.size(); i++) {
if (meetings.get(i).meetingName.equals(name)) {
found = i;
break;
}
}
return found;
}
public void btnSave_onClick(View view) {
saveAllMeetings();
}
public void btnJoin_onClick(View view) {
saveAllMeetings();
Meeting currMeeting = createCurrMeetingFromUI();
String url = buildZoomURL(currMeeting.meetingID, currMeeting.meetingPWD, currMeeting.attendees.get(currMeeting.lastAtt).name, currMeeting.attendees.get(currMeeting.lastAtt).num);
launchZoomUrl(url);
}
public Meeting createCurrMeetingFromUI() {
EditText editMeetingName = findViewById(R.id.TextMeetingName);
EditText editID = findViewById(R.id.textBoxID);
EditText editPW = findViewById(R.id.editTextTextPassword2);
EditText editName = findViewById(R.id.textBoxName);
EditText editAtt = findViewById(R.id.editAtt);
return new Meeting(editMeetingName.getText().toString(), editID.getText().toString(), editPW.getText().toString(), editName.getText().toString(), editAtt.getText().toString());
}
public void saveAllMeetings() {
ArrayList<Meeting> listMeetings = getMeetings();
Meeting currMeetingUI = createCurrMeetingFromUI();
if (currMeetingUI.meetingID.equals("")) {
EditText editID = findViewById(R.id.textBoxID);
editID.requestFocus();
editID.setError("Meeting kann nicht ohne ID gespeichert werden!");
return;
}
else if (currMeetingUI.meetingName.equals("")) {
EditText editMName = findViewById(R.id.TextMeetingName);
editMName.setText(currMeetingUI.meetingID);
currMeetingUI.meetingName = currMeetingUI.meetingID;
}
int foundCurr = searchMeetingInList(listMeetings, currMeetingUI.meetingName);
if (foundCurr == -1) {
listMeetings.add(currMeetingUI);
if (listMeetings.size() == 1) {
setLastMeeting(0);
} else {
setLastMeeting(listMeetings.size() - 1);
}
} else {
Meeting currMeeting = getMeetings().get(foundCurr);
currMeeting.meetingID = currMeetingUI.meetingID;
currMeeting.meetingPWD = currMeetingUI.meetingPWD;
currMeeting.updateAttendee(currMeetingUI.attendees.get(0).name, currMeetingUI.attendees.get(0).num);
listMeetings.set(foundCurr, currMeeting);
setLastMeeting(foundCurr);
}
saveMeetingList(listMeetings);
fillDropdownMeetingName();
fillDropdownAttendeeName(getLastMeeting());
Toast.makeText(getApplicationContext(),"Meeting gespeichert",Toast.LENGTH_SHORT).show();
}
}
class Attendee implements Serializable {
public String name;
public String num;
public Attendee(String name, String num) {
this.name = name;
this.num = num;
}
}
class Meeting implements Serializable {
public String meetingName;
public String meetingID;
public String meetingPWD;
public ArrayList<Attendee> attendees;
public int lastAtt;
public Meeting(String meetingName, String meetingID, String meetingPWD, String nameAttendee, String numAttendee) {
this.meetingName = meetingName;
this.meetingID = meetingID;
this.meetingPWD = meetingPWD;
this.attendees = new ArrayList<>();
Attendee attendee = new Attendee(nameAttendee, numAttendee);
this.attendees.add(attendee);
this.lastAtt = 0;
}
public void addAttendee(String name, String num) {
Attendee attendee = new Attendee(name, num);
this.attendees.add(attendee);
this.lastAtt = attendees.size() - 1;
}
public int searchAttendee(String name) {
int found = -1;
for (int i = 0; i < this.attendees.size(); i++) {
if (this.attendees.get(i).name.equals(name)) {
found = i;
break;
}
}
return found;
}
public void updateAttendee(String name, String num) {
int found = searchAttendee(name);
if (found == -1) {
addAttendee(name, num);
} else {
this.attendees.get(found).num = num;
this.lastAtt = found;
}
}
public String info() {
return "Meeting Name: " + this.meetingName + "\n" +
"Meeting-ID: " + this.meetingID + "\n" +
"Kenncode: " + this.meetingPWD;
}
}