Java tutorial
/* * Copyright 2013-2015 the original author or authors. * * 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 de.schildbach.wallet.ui; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.OutputStreamWriter; import java.io.Writer; import java.util.ArrayList; import javax.annotation.Nullable; import org.dash.wallet.common.ui.DialogBuilder; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import com.google.common.base.Charsets; import de.schildbach.wallet.Constants; import de.schildbach.wallet.util.CrashReporter; import de.schildbach.wallet.util.Io; import de.schildbach.wallet_test.R; import android.content.Context; import android.content.DialogInterface; import android.content.DialogInterface.OnClickListener; import android.content.Intent; import android.net.Uri; import android.support.v4.content.FileProvider; import android.view.LayoutInflater; import android.view.View; import android.widget.CheckBox; import android.widget.EditText; import android.widget.TextView; import android.widget.Toast; /** * @author Andreas Schildbach */ public abstract class ReportIssueDialogBuilder extends DialogBuilder implements OnClickListener { private final Context context; private EditText viewDescription; private CheckBox viewCollectDeviceInfo; private CheckBox viewCollectInstalledPackages; private CheckBox viewCollectApplicationLog; private CheckBox viewCollectWalletDump; private static final Logger log = LoggerFactory.getLogger(ReportIssueDialogBuilder.class); public ReportIssueDialogBuilder(final Context context, final int titleResId, final int messageResId) { super(context); this.context = context; final LayoutInflater inflater = LayoutInflater.from(context); final View view = inflater.inflate(R.layout.report_issue_dialog, null); ((TextView) view.findViewById(R.id.report_issue_dialog_message)).setText(messageResId); viewDescription = (EditText) view.findViewById(R.id.report_issue_dialog_description); viewCollectDeviceInfo = (CheckBox) view.findViewById(R.id.report_issue_dialog_collect_device_info); viewCollectInstalledPackages = (CheckBox) view .findViewById(R.id.report_issue_dialog_collect_installed_packages); viewCollectApplicationLog = (CheckBox) view.findViewById(R.id.report_issue_dialog_collect_application_log); viewCollectWalletDump = (CheckBox) view.findViewById(R.id.report_issue_dialog_collect_wallet_dump); setTitle(titleResId); setView(view); setPositiveButton(R.string.report_issue_dialog_report, this); setNegativeButton(R.string.button_cancel, null); } @Override public void onClick(final DialogInterface dialog, final int which) { final StringBuilder text = new StringBuilder(); final ArrayList<Uri> attachments = new ArrayList<Uri>(); final File cacheDir = context.getCacheDir(); text.append(viewDescription.getText()).append('\n'); try { final CharSequence contextualData = collectContextualData(); if (contextualData != null) { text.append("\n\n\n=== contextual data ===\n\n"); text.append(contextualData); } } catch (final IOException x) { text.append(x.toString()).append('\n'); } try { text.append("\n\n\n=== application info ===\n\n"); final CharSequence applicationInfo = collectApplicationInfo(); text.append(applicationInfo); } catch (final IOException x) { text.append(x.toString()).append('\n'); } try { final CharSequence stackTrace = collectStackTrace(); if (stackTrace != null) { text.append("\n\n\n=== stack trace ===\n\n"); text.append(stackTrace); } } catch (final IOException x) { text.append("\n\n\n=== stack trace ===\n\n"); text.append(x.toString()).append('\n'); } if (viewCollectDeviceInfo.isChecked()) { try { text.append("\n\n\n=== device info ===\n\n"); final CharSequence deviceInfo = collectDeviceInfo(); text.append(deviceInfo); } catch (final IOException x) { text.append(x.toString()).append('\n'); } } if (viewCollectInstalledPackages.isChecked()) { try { text.append("\n\n\n=== installed packages ===\n\n"); CrashReporter.appendInstalledPackages(text, context); } catch (final IOException x) { text.append(x.toString()).append('\n'); } } if (viewCollectApplicationLog.isChecked()) { final File logDir = new File(context.getFilesDir(), "log"); if (logDir.exists()) for (final File logFile : logDir.listFiles()) if (logFile.isFile() && logFile.length() > 0) attachments.add(FileProvider.getUriForFile(context, context.getPackageName() + ".file_attachment", logFile)); } if (viewCollectWalletDump.isChecked()) { try { final CharSequence walletDump = collectWalletDump(); if (walletDump != null) { final File reportDir = new File(cacheDir, "report"); reportDir.mkdir(); final File file = File.createTempFile("wallet-dump.", ".txt", reportDir); final Writer writer = new OutputStreamWriter(new FileOutputStream(file), Charsets.UTF_8); writer.write(walletDump.toString()); writer.close(); attachments.add(FileProvider.getUriForFile(context, context.getPackageName() + ".file_attachment", file)); } } catch (final IOException x) { log.info("problem writing attachment", x); } } if (CrashReporter.hasSavedBackgroundTraces()) { text.append("\n\n\n=== saved exceptions ===\n\n"); try { CrashReporter.appendSavedBackgroundTraces(text); } catch (final IOException x) { text.append(x.toString()).append('\n'); } } text.append("\n\nPUT ADDITIONAL COMMENTS TO THE TOP. DOWN HERE NOBODY WILL NOTICE."); startSend(subject(), text, attachments); } private void startSend(final CharSequence subject, final CharSequence text, final ArrayList<Uri> attachments) { final Intent intent; if (attachments.size() == 0) { intent = new Intent(Intent.ACTION_SEND); intent.setType("message/rfc822"); } else if (attachments.size() == 1) { intent = new Intent(Intent.ACTION_SEND); intent.setType("text/plain"); intent.putExtra(Intent.EXTRA_STREAM, attachments.get(0)); } else { intent = new Intent(Intent.ACTION_SEND_MULTIPLE); intent.setType("text/plain"); intent.putParcelableArrayListExtra(Intent.EXTRA_STREAM, attachments); } intent.putExtra(Intent.EXTRA_EMAIL, new String[] { Constants.REPORT_EMAIL }); if (subject != null) intent.putExtra(Intent.EXTRA_SUBJECT, subject); intent.putExtra(Intent.EXTRA_TEXT, text); intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); try { context.startActivity(Intent.createChooser(intent, context.getString(R.string.report_issue_dialog_mail_intent_chooser))); log.info("invoked chooser for sending issue report"); } catch (final Exception x) { Toast.makeText(context, R.string.report_issue_dialog_mail_intent_failed, Toast.LENGTH_LONG).show(); log.error("report issue failed", x); } } @Nullable protected abstract CharSequence subject(); @Nullable protected CharSequence collectApplicationInfo() throws IOException { return null; } @Nullable protected CharSequence collectStackTrace() throws IOException { return null; } @Nullable protected CharSequence collectDeviceInfo() throws IOException { return null; } @Nullable protected CharSequence collectContextualData() throws IOException { return null; } @Nullable protected CharSequence collectWalletDump() throws IOException { return null; } }