Android 捕获异常
方法一：
依赖
implementation 'com.tonystark.android:defense_crash:2.0.0'
maven
maven { url 'https://dl.bintray.com/xuuhaoo/maven/' }
两个地方都需要加入maven
allprojects { 和 buildscript {
资源完成，代码：
public class FaceApp extends Application implements IExceptionHandler {
@Override
protected void attachBaseContext(Context base) {
super.attachBaseContext(base);
/**/
//MultiDex.install(this);
// step1: Initialize the lib.
DefenseCrash.initialize();
// step2: Install the fire wall defense.
DefenseCrash.install(this);
}
@Override
public void onCaughtException(Thread thread, Throwable throwable, boolean b) {
throwable.printStackTrace();
/*todo 收集系统信息*/
/*todo 发送邮件*/
/*bugly 手动上报异常*/
Log.i("lgq","报错哦======"+throwable.getMessage());
// CrashReport.postCatchedException(throwable);
}
@Override
public void onEnterSafeMode() {
LogPlus.d("###########onEnterSafeMode###########");
}
@Override
public void onMayBeBlackScreen(Throwable throwable) {
/*重启app*/
Thread thread = Looper.getMainLooper().getThread();
// CrashReport.postCatchedException(new ForReportException("onMayBeBlackScreen", throwable));
Log.e("lgqAndroidRuntime", "--->onUncaughtExceptionHappened:" + thread + "<---", throwable);
// restartApp();
}
/**
* 重启app
*/
// public void restartApp() {
// Intent mStartActivity = new Intent(this, MainActivity.class);
// int mPendingIntentId = 123456;
// PendingIntent mPendingIntent = PendingIntent.getActivity(this, mPendingIntentId, mStartActivity, PendingIntent.FLAG_CANCEL_CURRENT);
// AlarmManager mgr = (AlarmManager) this.getSystemService(Context.ALARM_SERVICE);
// mgr.set(AlarmManager.RTC, System.currentTimeMillis() + 100, mPendingIntent);
// System.exit(0);
// }
}
方法二：
public class CrashHandler implements Thread.UncaughtExceptionHandler {
public static final String TAG = "CrashHandler";
//系统默认的UncaughtException处理类
private Thread.UncaughtExceptionHandler mDefaultHandler;
//CrashHandler实例
private static CrashHandler instance;
//程序的Context对象
private Context mContext;
//用来存储设备信息和异常信息
private Map infos = new HashMap();
//用于格式化日期,作为日志文件名的一部分
private DateFormat formatter = new SimpleDateFormat("yyyy-MM-dd-HH-mm-ss");
/** 保证只有一个CrashHandler实例 */
private CrashHandler() {}
/** 获取CrashHandler实例 ,单例模式 */
public static CrashHandler getInstance() {
if(instance == null)
instance = new CrashHandler();
return instance;
}
/**
* 初始化
*/
public void init(Context context) {
mContext = context;
//获取系统默认的UncaughtException处理器
mDefaultHandler = Thread.getDefaultUncaughtExceptionHandler();
//设置该CrashHandler为程序的默认处理器
Thread.setDefaultUncaughtExceptionHandler(this);
}
/**
* 当UncaughtException发生时会转入该函数来处理
*/
@Override
public void uncaughtException(Thread thread, Throwable ex) {
if (!handleException(ex) && mDefaultHandler != null) {
//如果用户没有处理则让系统默认的异常处理器来处理
mDefaultHandler.uncaughtException(thread, ex);
} else {
// try {
// Thread.sleep(3000);
// } catch (InterruptedException e) {
// Log.e(TAG, "error : ", e);
// }
//退出程序
android.os.Process.killProcess(android.os.Process.myPid());
System.exit(1);
}
}
/**
* 自定义错误处理,收集错误信息 发送错误报告等操作均在此完成.
*
* @param ex
* @return true:如果处理了该异常信息;否则返回false.
*/
private boolean handleException(Throwable ex) {
if (ex == null) {
return false;
}
//收集设备参数信息
collectDeviceInfo(mContext);
// MyShareUtil.sharedPstring("updata","2");
// Intent intent = new Intent(mContext, MainActivity.class);
// mContext.startActivity(intent);
//使用Toast来显示异常信息
new Thread() {
@Override
public void run() {
Looper.prepare();
Toast.makeText(mContext, "很抱歉,程序出现异常,即将退出", Toast.LENGTH_SHORT).show();
// ToastUtil.showError(mContext, "很抱歉,程序出现异常,即将退出.", Toast.LENGTH_SHORT);
Looper.loop();
}
}.start();
//保存日志文件
saveCatchInfo2File(ex);
return true;
}
/**
* 收集设备参数信息
* @param ctx
*/
public void collectDeviceInfo(Context ctx) {
try {
PackageManager pm = ctx.getPackageManager();
PackageInfo pi = pm.getPackageInfo(ctx.getPackageName(), PackageManager.GET_ACTIVITIES);
if (pi != null) {
String versionName = pi.versionName == null ? "null" : pi.versionName;
String versionCode = pi.versionCode + "";
infos.put("versionName", versionName);
infos.put("versionCode", versionCode);
}
} catch (PackageManager.NameNotFoundException e) {
Log.e(TAG, "an error occured when collect package info", e);
}
Field[] fields = Build.class.getDeclaredFields();
for (Field field : fields) {
try {
field.setAccessible(true);
infos.put(field.getName(), field.get(null).toString());
Log.d(TAG, field.getName() + " : " + field.get(null));
} catch (Exception e) {
Log.e(TAG, "an error occured when collect crash info", e);
}
}
}
/**
* 保存错误信息到文件中
*
* @param ex
* @return 返回文件名称,便于将文件传送到服务器
*/
private String saveCatchInfo2File(Throwable ex) {
StringBuffer sb = new StringBuffer();
for (Map.Entry entry : infos.entrySet()) {
String key = entry.getKey();
String value = entry.getValue();
sb.append(key + "=" + value + "\n");
}
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 result = writer.toString();
Log.e("lgqqqqq====== ", result);
sb.append(result);
try {
long timestamp = System.currentTimeMillis();
String time = formatter.format(new Date());
String fileName = "crash-" + time + "-" + timestamp + ".log";
if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
String path = "/mnt/sdcard/crash/";
File dir = new File(path);
if (!dir.exists()) {
dir.mkdirs();
}
// FileOutputStream fos = new FileOutputStream(path + fileName);
// fos.write(sb.toString().getBytes());
//发送给开发人员
// sendCrashLog2PM(path+fileName);
// fos.close();
}
return fileName;
} catch (Exception e) {
Log.e(TAG, "an error occured while writing file...", e);
}
return null;
}
/**
* 将捕获的导致崩溃的错误信息发送给开发人员
*
* 目前只将log日志保存在sdcard 和输出到LogCat中，并未发送给后台。
*/
private void sendCrashLog2PM(String fileName){
if(!new File(fileName).exists()){
// ToastUtil.showWarning(mContext, "日志文件不存在！", Toast.LENGTH_SHORT);
Toast.makeText(mContext, "日志文件不存在", Toast.LENGTH_SHORT).show();
return;
}
FileInputStream fis = null;
BufferedReader reader = null;
String s = null;
try {
fis = new FileInputStream(fileName);
reader = new BufferedReader(new InputStreamReader(fis, "GBK"));
while(true){
s = reader.readLine();
if(s == null) break;
//由于目前尚未确定以何种方式发送，所以先打出log日志。
Log.i("lgqqqq", s.toString());
// Intent data=new Intent(Intent.ACTION_SENDTO);
// data.setData(Uri.parse("mailto:[email protected]"));
// data.putExtra(Intent.EXTRA_SUBJECT, "这是标题");
// data.putExtra(Intent.EXTRA_TEXT, "这是内容"+s.toString());
// mContext.startActivity(data);
}
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}finally{ // 关闭流
try {
reader.close();
fis.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
Application里面实例化即可
CrashHandler catchHandler = CrashHandler.getInstance(); catchHandler.init(getApplicationContext());