Java tutorial
/* * Copyright 2013 2015 Ricki Hirner (bitfire web engineering). * All rights reserved. This program and the accompanying materials * are made available under the terms of the GNU Public License v3.0 * which accompanies this distribution, and is available at * http://www.gnu.org/licenses/gpl.html */ package com.granita.contacticloudsync.ui; import android.accounts.Account; import android.accounts.AccountManager; import android.app.Activity; import android.app.LoaderManager; import android.content.AsyncTaskLoader; import android.content.ContentResolver; import android.content.Context; import android.content.Intent; import android.content.Loader; import android.content.pm.PackageManager; import android.net.Uri; import android.os.Build; import android.os.Bundle; import android.provider.CalendarContract; import android.provider.ContactsContract; import android.text.TextUtils; import android.view.Menu; import android.view.MenuItem; import android.widget.TextView; import org.apache.commons.lang3.exception.ExceptionUtils; import org.apache.commons.lang3.text.WordUtils; import java.io.File; import java.io.FileWriter; import java.io.IOException; import at.bitfire.dav4android.exception.HttpException; import com.granita.contacticloudsync.BuildConfig; import com.granita.contacticloudsync.Constants; import com.granita.contacticloudsync.R; import com.granita.contacticloudsync.syncadapter.AccountSettings; public class DebugInfoActivity extends Activity implements LoaderManager.LoaderCallbacks<String> { public static final String KEY_EXCEPTION = "exception", KEY_LOGS = "logs", KEY_ACCOUNT = "account", KEY_AUTHORITY = "authority", KEY_PHASE = "phase"; TextView tvReport; String report; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.debug_info_activity); tvReport = (TextView) findViewById(R.id.text_report); getLoaderManager().initLoader(0, getIntent().getExtras(), this); } @Override public boolean onCreateOptionsMenu(Menu menu) { getMenuInflater().inflate(R.menu.exception_details_activity, menu); return true; } public void onShare(MenuItem item) { if (!TextUtils.isEmpty(report)) { Intent sendIntent = new Intent(); sendIntent.setAction(Intent.ACTION_SEND); sendIntent.setType("text/plain"); sendIntent.putExtra(Intent.EXTRA_SUBJECT, "Exception Details"); try { File reportFile = File.createTempFile("debug", ".txt", getExternalCacheDir()); Constants.log.debug("Writing debug info to " + reportFile.getAbsolutePath()); FileWriter writer = new FileWriter(reportFile); writer.write(report); writer.close(); sendIntent.putExtra(Intent.EXTRA_STREAM, Uri.fromFile(reportFile)); } catch (IOException e) { // let's hope the report is < 1 MB sendIntent.putExtra(Intent.EXTRA_TEXT, report); } startActivity(sendIntent); } } @Override public Loader<String> onCreateLoader(int id, Bundle args) { return new ReportLoader(this, args); } @Override public void onLoadFinished(Loader<String> loader, String data) { if (data != null) tvReport.setText(report = data); } @Override public void onLoaderReset(Loader<String> loader) { } static class ReportLoader extends AsyncTaskLoader<String> { final Bundle extras; public ReportLoader(Context context, Bundle extras) { super(context); this.extras = extras; } @Override protected void onStartLoading() { forceLoad(); } @Override public String loadInBackground() { Exception exception = null; String logs = null, authority = null; Account account = null; int phase = -1; if (extras != null) { exception = (Exception) extras.getSerializable(KEY_EXCEPTION); logs = extras.getString(KEY_LOGS); account = extras.getParcelable(KEY_ACCOUNT); authority = extras.getString(KEY_AUTHORITY); phase = extras.getInt(KEY_PHASE, -1); } StringBuilder report = new StringBuilder(); // begin with most specific information if (phase != -1) report.append("SYNCHRONIZATION INFO\nSynchronization phase: " + phase + "\n"); if (account != null) report.append("Account name: " + account.name + "\n"); if (authority != null) report.append("Authority: " + authority + "\n\n"); if (exception instanceof HttpException) { HttpException http = (HttpException) exception; if (http.request != null) report.append("HTTP REQUEST:\n" + http.request + "\n\n"); if (http.response != null) report.append("HTTP RESPONSE:\n" + http.response + "\n\n"); } if (exception != null) { report.append("STACK TRACE:\n"); for (String stackTrace : ExceptionUtils.getRootCauseStackTrace(exception)) report.append(stackTrace + "\n"); report.append("\n"); } if (logs != null) report.append("LOGS:\n" + logs + "\n"); try { PackageManager pm = getContext().getPackageManager(); String installedFrom = pm.getInstallerPackageName(BuildConfig.APPLICATION_ID); if (TextUtils.isEmpty(installedFrom)) installedFrom = "APK (directly)"; boolean workaroundInstalled = false; try { workaroundInstalled = pm.getPackageInfo("com.granita.contacticloudsync.jbworkaround", 0) != null; } catch (PackageManager.NameNotFoundException e) { } report.append("SOFTWARE INFORMATION\n" + "version: " + BuildConfig.VERSION_NAME + " (" + BuildConfig.VERSION_CODE + ") " + BuildConfig.buildTime.toString() + "\n" + "Installed from: " + installedFrom + "\n" + "JB Workaround installed: " + (workaroundInstalled ? "yes" : "no") + "\n\n"); } catch (Exception ex) { Constants.log.error("Couldn't get software information", ex); } report.append("CONFIGURATION\n" + "System-wide synchronization: " + (ContentResolver.getMasterSyncAutomatically() ? "automatically" : "manually") + "\n"); AccountManager accountManager = AccountManager.get(getContext()); for (Account acct : accountManager.getAccountsByType(Constants.ACCOUNT_TYPE)) { AccountSettings settings = new AccountSettings(getContext(), acct); report.append("Account: " + acct.name + "\n" + " Address book sync. interval: " + syncStatus(settings, ContactsContract.AUTHORITY) + "\n" + " Calendar sync. interval: " + syncStatus(settings, CalendarContract.AUTHORITY) + "\n" + " OpenTasks sync. interval: " + syncStatus(settings, "org.dmfs.tasks") + "\n"); } report.append("\n"); try { report.append("SYSTEM INFORMATION\n" + "Android version: " + Build.VERSION.RELEASE + " (" + Build.DISPLAY + ")\n" + "Device: " + WordUtils.capitalize(Build.MANUFACTURER) + " " + Build.MODEL + " (" + Build.DEVICE + ")\n\n"); } catch (Exception ex) { Constants.log.error("Couldn't get system details", ex); } return report.toString(); } protected String syncStatus(AccountSettings settings, String authority) { Long interval = settings.getSyncInterval(authority); return interval != null ? (interval == AccountSettings.SYNC_INTERVAL_MANUALLY ? "manually" : interval / 60 + " min") : ""; } } }