Java tutorial
/* * Copyright (c) 2014 Flavien Charlon * * This program 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. * * This program 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 this program. If not, see <http://www.gnu.org/licenses/>. */ package com.coinprism.wallet; import android.app.AlertDialog; import android.app.Dialog; import android.content.ClipData; import android.content.ClipboardManager; import android.content.DialogInterface; import android.os.Bundle; import android.support.v4.app.DialogFragment; import android.support.v4.app.FragmentActivity; import android.view.LayoutInflater; import android.view.View; import android.widget.ImageView; import com.coinprism.model.QRCodeEncoder; /** * A dialog showing a full screen QR code. */ public class QRCodeDialog extends DialogFragment { private String address; private String title; public void configure(String address, String title) { this.address = address; this.title = title; } @android.support.annotation.NonNull @Override public Dialog onCreateDialog(Bundle savedInstanceState) { final AlertDialog.Builder builder = new AlertDialog.Builder(getActivity()); // Get the layout inflater final LayoutInflater inflater = getActivity().getLayoutInflater(); final View view = inflater.inflate(R.layout.dialog_qr_code, null); // Inflate and set the layout for the dialog // Pass null as the parent view because its going in the dialog layout builder.setView(view); builder.setNegativeButton(getString(R.string.tab_wallet_dialog_qr_close), new DialogInterface.OnClickListener() { // Close the dialog public void onClick(DialogInterface dialog, int id) { QRCodeDialog.this.getDialog().cancel(); } }); builder.setNeutralButton(getString(R.string.tab_wallet_dialog_qr_copy_address), new DialogInterface.OnClickListener() { // Copy the address into the clipboard public void onClick(DialogInterface dialogInterface, int i) { ClipboardManager clipboard = (ClipboardManager) getActivity() .getSystemService(FragmentActivity.CLIPBOARD_SERVICE); ClipData clip = ClipData.newPlainText("label", QRCodeDialog.this.address); clipboard.setPrimaryClip(clip); } }); final Dialog result = builder.create(); result.setTitle(this.title); final ImageView qrCode = (ImageView) view.findViewById(R.id.qrCode); QRCodeEncoder.createQRCode(this.address, qrCode, 592, 592, 0, 0x00FFFFFF); return result; } }