BugReport.java

package fm.last.android.activity;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Environment;
import android.preference.DialogPreference;
import android.util.AttributeSet;
import android.util.Log;
import android.widget.EditText;
import fm.last.android.LastFMApplication;
import fm.last.android.R;

public class BugReport extends DialogPreference {
	private EditText mBug = null;

	public BugReport(Context context, AttributeSet attrs) {
		super(context, attrs);
	}

	@Override
	protected void showDialog(Bundle state) {
		super.showDialog(state);
		mBug = (EditText) getDialog().findViewById(R.id.bug);
		try {
			LastFMApplication.getInstance().tracker.trackPageView("/BugReport");
		} catch (Exception e) {
			//Google Analytics doesn't appear to be thread safe
		}
	}

	@Override
	protected void onDialogClosed(boolean positiveResult) {
		if (positiveResult) {
			// These are the files to include in the ZIP file
			String[] filenames = new String[] { "player.log", "scrobbler.log" };

			// Create a buffer for reading the files
			byte[] buf = new byte[1024];

			try {
				// Create the ZIP file
				String outFilename = Environment.getExternalStorageDirectory() + "/lastfm-logs.zip";
				Log.i("Last.fm", "Creating " + outFilename);
				ZipOutputStream out = new ZipOutputStream(new FileOutputStream(outFilename));

				// Compress the files
				for (int i = 0; i < filenames.length; i++) {
					try {
						FileInputStream in = new FileInputStream(getContext().getFilesDir().getAbsolutePath() + "/" + filenames[i]);

						// Add ZIP entry to output stream.
						out.putNextEntry(new ZipEntry(filenames[i]));

						// Transfer bytes from the file to the ZIP file
						int len;
						while ((len = in.read(buf)) > 0) {
							out.write(buf, 0, len);
						}

						// Complete the entry
						out.closeEntry();
						in.close();
					} catch (FileNotFoundException e) {
						Log.i("Last.fm", "Skipping non-existing log file: " + filenames[i]);
					}
				}

				// Run 'logcat' and store the output as a file inside our zip
				ArrayList<String> commandLine = new ArrayList<String>();
				commandLine.add("logcat");
				commandLine.add("-d");
				commandLine.add("-v");
				commandLine.add("time");
				commandLine.add("*:I");
				commandLine.add("PlayerDriver:W"); //Filter out SenseUI's over-sharing audio driver

				Process process = Runtime.getRuntime().exec(commandLine.toArray(new String[0]));
				InputStream in = process.getInputStream();

				// Add ZIP entry to output stream.
				out.putNextEntry(new ZipEntry("logcat.log"));

				int len;
				while ((len = in.read(buf)) > 0) {
					out.write(buf, 0, len);
				}

				out.closeEntry();
				in.close();

				// Complete the ZIP file
				out.close();

				String bugReport = "Description\n" + "===========\n" + mBug.getText() + "\n" + "\nAdditional Info\n" + "===========\n" + "App version: "
						+ getContext().getPackageManager().getPackageInfo("fm.last.android", 0).versionName + "\n" + "Device: " + Build.MODEL + "\n"
						+ "Android version: " + Build.VERSION.RELEASE + "\n" + "Firmware fingerprint: " + Build.FINGERPRINT + "\n";

				String address[] = { "Last.fm Client Team <client@last.fm>" };
				Intent email = new Intent(Intent.ACTION_SEND);
				email.putExtra(Intent.EXTRA_EMAIL, address);
				email.putExtra(Intent.EXTRA_TEXT, bugReport);
				email.putExtra(Intent.EXTRA_SUBJECT, "Bug Report: Last.fm for Android");
				email.putExtra(Intent.EXTRA_STREAM, Uri.parse("file://" + outFilename));
				email.setType("message/rfc822");
				getContext().startActivity(Intent.createChooser(email, "Email:"));
			} catch (Exception e) {
				e.printStackTrace();
			}
		}
	}
}