244 lines
8.7 KiB
Java
244 lines
8.7 KiB
Java
/*
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* Copyright (C) 2017 Schürmann & Breitmoser GbR
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.sufficientlysecure.keychain.ui.dialog;
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import android.app.Activity;
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import android.support.v7.app.AlertDialog;
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import android.app.Dialog;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.os.Bundle;
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import android.os.Message;
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import android.os.Messenger;
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import android.os.RemoteException;
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import android.support.v4.app.DialogFragment;
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import android.view.KeyEvent;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.inputmethod.EditorInfo;
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import android.view.inputmethod.InputMethodManager;
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import android.widget.Button;
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import android.widget.CheckBox;
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import android.widget.CompoundButton;
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import android.widget.EditText;
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import android.widget.TextView;
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import android.widget.TextView.OnEditorActionListener;
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import android.widget.Toast;
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import org.sufficientlysecure.keychain.R;
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import org.sufficientlysecure.keychain.ui.widget.PassphraseEditText;
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import org.sufficientlysecure.keychain.util.Passphrase;
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import timber.log.Timber;
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public class SetPassphraseDialogFragment extends DialogFragment implements OnEditorActionListener {
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private static final String ARG_MESSENGER = "messenger";
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private static final String ARG_TITLE = "title";
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public static final int MESSAGE_OKAY = 1;
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public static final String MESSAGE_NEW_PASSPHRASE = "new_passphrase";
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private Messenger mMessenger;
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private PassphraseEditText mPassphraseEditText;
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private EditText mPassphraseAgainEditText;
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private CheckBox mNoPassphraseCheckBox;
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/**
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* Creates new instance of this dialog fragment
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*
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* @param title title of dialog
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* @param messenger to communicate back after setting the passphrase
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* @return
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*/
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public static SetPassphraseDialogFragment newInstance(Messenger messenger, int title) {
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SetPassphraseDialogFragment frag = new SetPassphraseDialogFragment();
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Bundle args = new Bundle();
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args.putInt(ARG_TITLE, title);
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args.putParcelable(ARG_MESSENGER, messenger);
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frag.setArguments(args);
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return frag;
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}
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/**
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* Creates dialog
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*/
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@Override
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public Dialog onCreateDialog(Bundle savedInstanceState) {
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final Activity activity = getActivity();
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int title = getArguments().getInt(ARG_TITLE);
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mMessenger = getArguments().getParcelable(ARG_MESSENGER);
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CustomAlertDialogBuilder alert = new CustomAlertDialogBuilder(activity);
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alert.setTitle(title);
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LayoutInflater inflater = activity.getLayoutInflater();
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View view = inflater.inflate(R.layout.passphrase_repeat_dialog, null);
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alert.setView(view);
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mPassphraseEditText = view.findViewById(R.id.passphrase_passphrase);
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mPassphraseAgainEditText = view.findViewById(R.id.passphrase_passphrase_again);
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mNoPassphraseCheckBox = view.findViewById(R.id.passphrase_no_passphrase);
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mNoPassphraseCheckBox.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
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@Override
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public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
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mPassphraseEditText.setEnabled(!isChecked);
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mPassphraseAgainEditText.setEnabled(!isChecked);
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}
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});
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alert.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
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@Override
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public void onClick(DialogInterface dialog, int id) {
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dismiss();
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Passphrase passphrase1 = new Passphrase();
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if (mNoPassphraseCheckBox.isChecked()) {
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passphrase1.setEmpty();
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} else {
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passphrase1 = new Passphrase(mPassphraseEditText);
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Passphrase passphrase2 = new Passphrase(mPassphraseAgainEditText);
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if (!passphrase1.equals(passphrase2)) {
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Toast.makeText(
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activity,
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getString(R.string.error_message,
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getString(R.string.passphrases_do_not_match)), Toast.LENGTH_SHORT
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)
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.show();
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return;
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}
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if (passphrase1.isEmpty()) {
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Toast.makeText(
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activity,
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getString(R.string.error_message,
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getString(R.string.passphrase_must_not_be_empty)),
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Toast.LENGTH_SHORT
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).show();
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return;
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}
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}
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// return resulting data back to activity
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Bundle data = new Bundle();
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data.putParcelable(MESSAGE_NEW_PASSPHRASE, passphrase1);
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sendMessageToHandler(MESSAGE_OKAY, data);
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}
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});
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alert.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
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@Override
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public void onClick(DialogInterface dialog, int id) {
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dismiss();
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}
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});
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// Hack to open keyboard.
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// This is the only method that I found to work across all Android versions
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// http://turbomanage.wordpress.com/2012/05/02/show-soft-keyboard-automatically-when-edittext-receives-focus/
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// Notes: * onCreateView can't be used because we want to add buttons to the dialog
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// * opening in onActivityCreated does not work on Android 4.4
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mPassphraseEditText.setOnFocusChangeListener(new View.OnFocusChangeListener() {
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@Override
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public void onFocusChange(View v, boolean hasFocus) {
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mPassphraseEditText.post(new Runnable() {
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@Override
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public void run() {
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InputMethodManager imm = (InputMethodManager) getActivity()
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.getSystemService(Context.INPUT_METHOD_SERVICE);
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imm.showSoftInput(mPassphraseEditText, InputMethodManager.SHOW_IMPLICIT);
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}
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});
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}
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});
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mPassphraseEditText.requestFocus();
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mPassphraseAgainEditText.setImeActionLabel(getString(android.R.string.ok), EditorInfo.IME_ACTION_DONE);
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mPassphraseAgainEditText.setOnEditorActionListener(this);
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return alert.show();
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}
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@Override
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public void onDismiss(DialogInterface dialog) {
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super.onDismiss(dialog);
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// hide keyboard on dismiss
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hideKeyboard();
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}
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private void hideKeyboard() {
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if (getActivity() == null) {
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return;
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}
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InputMethodManager inputManager = (InputMethodManager) getActivity()
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.getSystemService(Context.INPUT_METHOD_SERVICE);
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//check if no view has focus:
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View v = getActivity().getCurrentFocus();
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if (v == null)
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return;
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inputManager.hideSoftInputFromWindow(v.getWindowToken(), 0);
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}
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/**
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* Associate the "done" button on the soft keyboard with the okay button in the view
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*/
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@Override
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public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
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if (EditorInfo.IME_ACTION_DONE == actionId) {
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AlertDialog dialog = ((AlertDialog) getDialog());
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Button bt = dialog.getButton(AlertDialog.BUTTON_POSITIVE);
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bt.performClick();
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return true;
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}
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return false;
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}
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/**
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* Send message back to handler which is initialized in a activity
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*
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* @param what Message integer you want to send
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*/
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private void sendMessageToHandler(Integer what, Bundle data) {
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Message msg = Message.obtain();
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msg.what = what;
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if (data != null) {
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msg.setData(data);
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}
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try {
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mMessenger.send(msg);
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} catch (RemoteException e) {
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Timber.w(e, "Exception sending message, Is handler present?");
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} catch (NullPointerException e) {
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Timber.w(e, "Messenger is null!");
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}
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}
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}
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