Crash의 수집
충돌 전 시스템에서 API 제공
UncaughtExceptionHandler mDefaultCrashHandler = Thread.getDefaultUncaughtExceptionHandler(); // Thread.setDefaultUncaughtExceptionHandler(this); 사용자 정의 프로세서를 사용할 수 있기 때문에, 우리는 이 종류를 계승하여 프로세서를 다시 쓸 수 있다
package com.example.cuizehui.estore.uitls;
import android.content.Context;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.os.Build;
import android.os.Environment;
import android.util.Log;
import java.lang.Thread.UncaughtExceptionHandler;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.text.SimpleDateFormat;
import java.util.Date;
/**
* Created by cuizehui on 17-10-11.
*/
public class CrashHandler implements UncaughtExceptionHandler {
private static final String TAG = "CrashHandler";
private static final boolean DEBUG = true;
private static final String PATH = Environment.getExternalStorageDirectory().getPath() + "/ryg_test/log/";
private static final String FILE_NAME = "crash";
//log
private static final String FILE_NAME_SUFFIX = ".trace";
private static CrashHandler sInstance = new CrashHandler();
// （ ， ）
private UncaughtExceptionHandler mDefaultCrashHandler;
private Context mContext;
// ， ，
private CrashHandler() {
}
public static CrashHandler getInstance() {
return sInstance;
}
//
public void init(Context context) {
//
mDefaultCrashHandler = Thread.getDefaultUncaughtExceptionHandler();
//
Thread.setDefaultUncaughtExceptionHandler(this);
// Context，
mContext = context.getApplicationContext();
}
/**
* ， ， #uncaughtException
* thread ，ex ， ex， 。
*/
@Override
public void uncaughtException(Thread thread, Throwable ex) {
try {
// SD
dumpExceptionToSDCard(ex);
// ， bug
uploadExceptionToServer();
} catch (IOException e) {
e.printStackTrace();
}
//
ex.printStackTrace();
// ， ，
if (mDefaultCrashHandler != null) {
mDefaultCrashHandler.uncaughtException(thread, ex);
} else {
//
android.os.Process.killProcess(android.os.Process.myPid());
System.exit(1);
}
}
private void dumpExceptionToSDCard(Throwable ex) throws IOException {
// SD ， SD
if (!Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
if (DEBUG) {
Log.w(TAG, "sdcard unmounted,skip dump exception");
return;
}
}
File dir = new File(PATH);
if (!dir.exists()) {
dir.mkdirs();
}
long current = System.currentTimeMillis();
String time = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date(current));
// log
File file = new File(PATH + FILE_NAME + time + FILE_NAME_SUFFIX);
try {
PrintWriter pw = new PrintWriter(new BufferedWriter(new FileWriter(file)));
//
pw.println(time);
//
dumpPhoneInfo(pw);
pw.println();
//
ex.printStackTrace(pw);
pw.close();
} catch (Exception e) {
Log.e(TAG, "dump crash info failed");
}
}
private void dumpPhoneInfo(PrintWriter pw) throws PackageManager.NameNotFoundException {
//
PackageManager pm = mContext.getPackageManager();
PackageInfo pi = pm.getPackageInfo(mContext.getPackageName(), PackageManager.GET_ACTIVITIES);
pw.print("App Version: ");
pw.print(pi.versionName);
pw.print('_');
pw.println(pi.versionCode);
//android
pw.print("OS Version: ");
pw.print(Build.VERSION.RELEASE);
pw.print("_");
pw.println(Build.VERSION.SDK_INT);
//
pw.print("Vendor: ");
pw.println(Build.MANUFACTURER);
//
pw.print("Model: ");
pw.println(Build.MODEL);
//cpu
pw.print("CPU ABI: ");
pw.println(Build.CPU_ABI);
}
private void uploadExceptionToServer() {
//TODO Upload Exception Message To Your Web Server
}
}
이 중 흐름으로 이상 정보를 txt 파일로 출력하거나 서버에 업로드합니다
두 번째 단계
Application에서 초기화하려면 다음과 같이 하십시오.
// ，
CrashHandler crashHandler = CrashHandler.getInstance();
crashHandler.init(this);전체 솔루션:
public class CrashHandler implements Thread.UncaughtExceptionHandler {
private static final String TAG = CrashHandler.class.getSimpleName();
private static final boolean DEBUG = true;
private static final String FILE_NAME = "crash";
private static final String FILE_NAME_SUFFIX = ".txt";
private Thread.UncaughtExceptionHandler mDefaultCrashHandler;
private Context mContext;
private CrashHandler() {
}
public static CrashHandler getInstance() {
return CrashHandlerHolder.INSTANCE;
}
public void initialize(Context context) {
mContext = context.getApplicationContext();
mDefaultCrashHandler = Thread.getDefaultUncaughtExceptionHandler();
Thread.setDefaultUncaughtExceptionHandler(this);
}
@Override
public void uncaughtException(Thread thread, Throwable ex) {
try {
dumpExceptionToSDCard(ex);
} catch (FileNotFoundException e) {
e.printStackTrace();
}
ex.printStackTrace();
if (mDefaultCrashHandler != null) {
mDefaultCrashHandler.uncaughtException(thread, ex);
} else {
android.os.Process.killProcess(Process.myPid());
}
}
private void dumpExceptionToSDCard(Throwable ex) throws FileNotFoundException {
if (!Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
if (DEBUG) {
Log.d(TAG, "sdcard unmounted, skip dump exception");
}
return;
}
String rootPath = getAppDir(mContext);
String realPath = rootPath + "/crash/";
File dir = new File(realPath);
boolean dirCreated = true;
if (!dir.exists()) {
dirCreated = dir.mkdirs();
}
if (!dirCreated && DEBUG) {
Log.e(TAG, "crash dir create failed");
return;
}
long current = System.currentTimeMillis();
String time = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.getDefault()).format(new Date(current));
File file = new File(realPath + FILE_NAME + time + FILE_NAME_SUFFIX);
try {
PrintWriter pw = new PrintWriter(new BufferedWriter(new FileWriter(file)));
pw.println(time);
dumpPhoneInfo(pw);
pw.println();
ex.printStackTrace(pw);
pw.close();
} catch (Exception e) {
Log.e(TAG, "dump exception info failed");
}
}
private void dumpPhoneInfo(PrintWriter pw) throws PackageManager.NameNotFoundException {
PackageManager pm = mContext.getPackageManager();
PackageInfo pi = pm.getPackageInfo(mContext.getPackageName(), PackageManager.GET_ACTIVITIES);
pw.print("App version: ");
pw.print(pi.versionName);
pw.print("_");
pw.println(pi.versionCode);
pw.print("OS Version: ");
pw.print(Build.VERSION.RELEASE);
pw.print("_");
pw.println(Build.VERSION.SDK_INT);
pw.print("Vendor: ");
pw.println(Build.MANUFACTURER);
pw.print("Model: ");
pw.println(Build.MODEL);
pw.print("CPU ABI: ");
pw.println(Build.CPU_ABI);
}
private static String getAppDir(Context context) {
File fileDir = context.getExternalCacheDir();
String dir;
if (fileDir != null) {
dir = fileDir.getAbsolutePath();
} else {
dir = context.getCacheDir().getAbsolutePath();
}
fileDir = new File(dir);
if (fileDir.exists()) return dir;
boolean result = fileDir.mkdirs();
return result ? dir : null;
}
private static class CrashHandlerHolder {
private static final CrashHandler INSTANCE = new CrashHandler();
}
}public class CrashHandler implements Thread.UncaughtExceptionHandler {
private static final String TAG = CrashHandler.class.getSimpleName();
private static final boolean DEBUG = true;
private static final String FILE_NAME = "crash";
private static final String FILE_NAME_SUFFIX = ".txt";
private Thread.UncaughtExceptionHandler mDefaultCrashHandler;
private Context mContext;
private CrashHandler() {
}
public static CrashHandler getInstance() {
return CrashHandlerHolder.INSTANCE;
}
public void initialize(Context context) {
mContext = context.getApplicationContext();
mDefaultCrashHandler = Thread.getDefaultUncaughtExceptionHandler();
Thread.setDefaultUncaughtExceptionHandler(this);
}
@Override
public void uncaughtException(Thread thread, Throwable ex) {
try {
dumpExceptionToSDCard(ex);
} catch (FileNotFoundException e) {
e.printStackTrace();
}
ex.printStackTrace();
if (mDefaultCrashHandler != null) {
mDefaultCrashHandler.uncaughtException(thread, ex);
} else {
android.os.Process.killProcess(Process.myPid());
}
}
private void dumpExceptionToSDCard(Throwable ex) throws FileNotFoundException {
if (!Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
if (DEBUG) {
Log.d(TAG, "sdcard unmounted, skip dump exception");
}
return;
}
String rootPath = getAppDir(mContext);
String realPath = rootPath + "/crash/";
File dir = new File(realPath);
boolean dirCreated = true;
if (!dir.exists()) {
dirCreated = dir.mkdirs();
}
if (!dirCreated && DEBUG) {
Log.e(TAG, "crash dir create failed");
return;
}
long current = System.currentTimeMillis();
String time = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.getDefault()).format(new Date(current));
File file = new File(realPath + FILE_NAME + time + FILE_NAME_SUFFIX);
try {
PrintWriter pw = new PrintWriter(new BufferedWriter(new FileWriter(file)));
pw.println(time);
dumpPhoneInfo(pw);
pw.println();
ex.printStackTrace(pw);
pw.close();
} catch (Exception e) {
Log.e(TAG, "dump exception info failed");
}
}
private void dumpPhoneInfo(PrintWriter pw) throws PackageManager.NameNotFoundException {
PackageManager pm = mContext.getPackageManager();
PackageInfo pi = pm.getPackageInfo(mContext.getPackageName(), PackageManager.GET_ACTIVITIES);
pw.print("App version: ");
pw.print(pi.versionName);
pw.print("_");
pw.println(pi.versionCode);
pw.print("OS Version: ");
pw.print(Build.VERSION.RELEASE);
pw.print("_");
pw.println(Build.VERSION.SDK_INT);
pw.print("Vendor: ");
pw.println(Build.MANUFACTURER);
pw.print("Model: ");
pw.println(Build.MODEL);
pw.print("CPU ABI: ");
pw.println(Build.CPU_ABI);
}
private static String getAppDir(Context context) {
File fileDir = context.getExternalCacheDir();
String dir;
if (fileDir != null) {
dir = fileDir.getAbsolutePath();
} else {
dir = context.getCacheDir().getAbsolutePath();
}
fileDir = new File(dir);
if (fileDir.exists()) return dir;
boolean result = fileDir.mkdirs();
return result ? dir : null;
}
private static class CrashHandlerHolder {
private static final CrashHandler INSTANCE = new CrashHandler();
}
}요약:
현재 시장에서는 3자 플랫폼 관리crash log./아니면 로컬을 완벽하게 하고 LOG를 분류하고 무게를 제외하고
텐센트의 Bugly 동맹 플랫폼 등
이 클래스는 붕괴 전에 사용자 매개 변수 정보를 보존하는 데도 사용할 수 있습니다.
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