package com.anyun.exam.lib.crash;
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import android.content.Context;
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import android.content.pm.PackageInfo;
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import android.content.pm.PackageManager;
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import android.os.Build;
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import com.anyun.exam.lib.MyLog;
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import java.io.PrintWriter;
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import java.io.StringWriter;
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import java.io.Writer;
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import java.lang.reflect.Field;
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import java.text.SimpleDateFormat;
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import java.util.HashMap;
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import java.util.Map;
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/**
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* MyApplication2
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* Created by lzw on 2019/9/27. 10:22:20
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* 邮箱：632393724@qq.com
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* All Rights Saved! Chongqing AnYun Tech co. LTD
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*/
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public class CrashHandler implements Thread.UncaughtExceptionHandler {
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private static CrashHandler mInstance = new CrashHandler();
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private Thread.UncaughtExceptionHandler mDefaultCrashHandler;
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private Context mContext;
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private SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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private HashMap<String, String> infos = new HashMap<>();
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/**
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* 私有构造函数
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**/
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private CrashHandler() {
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}
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public static CrashHandler getInstance() {
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return mInstance;
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}
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public void init(Context context) {
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this.mContext = context;
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mDefaultCrashHandler = Thread.getDefaultUncaughtExceptionHandler();
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Thread.setDefaultUncaughtExceptionHandler(this);
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}
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@Override
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public void uncaughtException(Thread t, Throwable e) {
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if (!handleException(e) && mDefaultCrashHandler != null) {
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//如果用户没有处理异常则让系统默认的异常处理器去处理异常
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mDefaultCrashHandler.uncaughtException(t, e);
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} else {
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try {
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Thread.sleep(3000);
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} catch (InterruptedException ex) {
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ex.printStackTrace();
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}
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//退出程序
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android.os.Process.killProcess(android.os.Process.myPid());
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System.exit(1);
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}
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}
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private boolean handleException(Throwable ex) {
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if (ex == null) {
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return false;
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}
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//收集设备信息
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collectDeviceInfo();
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saveCrashInfo2File(ex);
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return true;
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}
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private void saveCrashInfo2File(Throwable ex) {
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StringBuffer stringBuffer = new StringBuffer();
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for (Map.Entry<String, String> entry : infos.entrySet()) {
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String key = entry.getKey();
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String value = entry.getValue();
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stringBuffer.append(key + "=" + value + "\n");
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}
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Writer writer = new StringWriter();
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PrintWriter printWriter = new PrintWriter(writer);
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ex.printStackTrace(printWriter);
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Throwable cause = ex.getCause();
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while (cause != null) {
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cause.printStackTrace(printWriter);
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cause = cause.getCause();
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}
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printWriter.close();
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String result = writer.toString();
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stringBuffer.append(result);
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MyLog.i("crash", stringBuffer.toString());
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}
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private void collectDeviceInfo() {
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if (mContext != null) {
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PackageManager packageManager = mContext.getPackageManager();
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try {
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PackageInfo packageInfo = packageManager.getPackageInfo(mContext.getPackageName(), PackageManager.GET_ACTIVITIES);
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if (packageInfo != null) {
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String versionCode = Long.toString(packageInfo.versionCode);
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String versionName = packageInfo.versionName;
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infos.put("versionName", versionName);
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infos.put("versionCode", versionCode);
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}
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} catch (PackageManager.NameNotFoundException e) {
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e.printStackTrace();
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}
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Field[] fields = Build.class.getDeclaredFields();
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for (Field field :
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fields) {
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field.setAccessible(true);
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try {
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infos.put(field.getName(), field.get(null).toString());
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} catch (IllegalAccessException e) {
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e.printStackTrace();
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}
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}
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}
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}
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}
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