//1,自定义Application捕获未知异常
public class HKBaseApplication extends Application {
// activity对象列表,用于activity统一管理
private List<Activity> activityList;
// 异常捕获
protected boolean isNeedCaughtExeption = true;// 是否捕获未知异常
private PendingIntent restartIntent;
private MyUncaughtExceptionHandler uncaughtExceptionHandler;
public String packgeName;
public String crashFilePath;
@Override
public void onCreate() {
super.onCreate();
activityList = new ArrayList<Activity>();
packgeName = getPackageName();
crashFilePath = Environment.getExternalStorageDirectory() + "/HKDownload/" + packgeName + "/crash/";
if (isNeedCaughtExeption) {
cauchException();
}
}
// -------------------异常捕获-----捕获异常后重启系统-----------------//
private void cauchException() {
Intent intent = new Intent();
// 参数1：包名，参数2：程序入口的activity
intent.setClassName(packgeName, packgeName + ".LoginActivity");
restartIntent = PendingIntent.getActivity(getApplicationContext(), -1, intent,
Intent.FLAG_ACTIVITY_NEW_TASK);
// 程序崩溃时触发线程
uncaughtExceptionHandler = new MyUncaughtExceptionHandler();
Thread.setDefaultUncaughtExceptionHandler(uncaughtExceptionHandler);
}
// 创建服务用于捕获崩溃异常
private class MyUncaughtExceptionHandler implements UncaughtExceptionHandler {
@Override
public void uncaughtException(Thread thread, Throwable ex) {
// 保存错误日志
saveCatchInfo2File(ex);
// 1秒钟后重启应用
AlarmManager mgr = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
mgr.set(AlarmManager.RTC, System.currentTimeMillis() + 1000, restartIntent);
// 关闭当前应用
finishAllActivity();
finishProgram();
}
};
/**
* 保存错误信息到文件中
*
* @return 返回文件名称
*/
private String saveCatchInfo2File(Throwable ex) {
Writer writer = new StringWriter();
PrintWriter printWriter = new PrintWriter(writer);
ex.printStackTrace(printWriter);
Throwable cause = ex.getCause();
while (cause != null) {
cause.printStackTrace(printWriter);
cause = cause.getCause();
}
printWriter.close();
String sb = writer.toString();
try {
DateFormat formatter = new SimpleDateFormat("yyyy-MM-dd-HH-mm-ss");
String time = formatter.format(new Date());
String fileName = time + ".txt";
System.out.println("fileName:" + fileName);
if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
File dir = new File(crashFilePath);
if (!dir.exists()) {
if (!dir.mkdirs()) {
// 创建目录失败: 一般是因为SD卡被拔出了
return "";
}
}
System.out.println("filePath + fileName:" + crashFilePath + fileName);
FileOutputStream fos = new FileOutputStream(crashFilePath + fileName);
fos.write(sb.getBytes());
fos.close();
// 文件保存完了之后,在应用下次启动的时候去检查错误日志,发现新的错误日志,就发送给开发者
}
return fileName;
} catch (Exception e) {
System.out.println("an error occured while writing file..." + e.getMessage());
}
return null;
}
// ------------------------------activity管理-----------------------//
// activity管理：从列表中移除activity
public void removeActivity(Activity activity) {
activityList.remove(activity);
}
// activity管理：添加activity到列表
public void addActivity(Activity activity) {
activityList.add(activity);
}
// activity管理：结束所有activity
public void finishAllActivity() {
for (Activity activity : activityList) {
if (null != activity) {
activity.finish();
}
}
}
// 结束线程,一般与finishAllActivity()一起使用
// 例如: finishAllActivity;finishProgram();
public void finishProgram() {
android.os.Process.killProcess(android.os.Process.myPid());
}
}
//2,在loginActivity中添加下面的代码发送异常日志给开发者
// 发送错误日志
private void sendCrashLog() {
String lastCrashFileName = UtilPre.getString(this, UtilPre.Str.newCrashFileName, "");
final String newCrashFileName = getNewCrashFile(app.crashFilePath, lastCrashFileName);
if (lastCrashFileName.compareTo(newCrashFileName) < 0) {
System.out.println("newCrashFileName:" + newCrashFileName);
String ErrorMsg = UtilFile.readFromFile(app.crashFilePath, lastCrashFileName, true);
// IMEI, ServiceIP, ClientType, ClientVersion, ErrorMsg
TaskGetWhenNotLoginedIn task = new TaskGetWhenNotLoginedIn(this, "SDI_ClientError", new String[] {
imei, Config.URLServer, "FAI_Android", currentVersionNo, ErrorMsg }) {
public void onTaskSuccess(DataTable[] ds, boolean isAsk, String msg, ArrayList<String> msgList) {
UtilPre.save(activity, UtilPre.Str.newCrashFileName, newCrashFileName);
}
@Override
public void onTaskFailed(JSONObject result, String message) {
// 忽略错误
}
};
task.executeInBackground();
}
}
// 获取新的错误日志文件名
private String getNewCrashFile(String filePath, String lastCrashFileName) {
File root = new File(filePath);
File[] files = root.listFiles();
for (File file : files) {
String fileName = file.getName();
// System.out.println("遍历错误日志:" + fileName);
if (lastCrashFileName.compareTo(fileName) < 0) {
lastCrashFileName = fileName;
}
}
return lastCrashFileName;
}
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