package com.runt.open.mvi;
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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 android.os.Environment;
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import android.util.Log;
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import android.widget.Toast;
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStreamReader;
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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.DateFormat;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.Map;
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/**
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* My father is Object, ites purpose of 崩溃监听
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*
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* @purpose Created by Runt (qingingrunt2010@qq.com) on 2021-4-13.
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*/
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public class CrashHandler implements Thread.UncaughtExceptionHandler {
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public static final String TAG = "CrashHandler";
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//系统默认的UncaughtException处理类
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private Thread.UncaughtExceptionHandler mDefaultHandler;
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//CrashHandler实例
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private static CrashHandler instance;
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CrashListener crashListener;
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//程序的Context对象
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private Context mContext;
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//用来存储设备信息和异常信息
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private Map<String, String> infos = new HashMap<String, String>();
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//用于格式化日期,作为日志文件名的一部分
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private DateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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/** 保证只有一个CrashHandler实例 */
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private CrashHandler() {}
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/** 获取CrashHandler实例 ,单例模式 */
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public static CrashHandler getInstance() {
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Log.i(TAG, "getInstance");
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if(instance == null)
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instance = new CrashHandler();
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return instance;
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}
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/**
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* 初始化
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*/
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public void init(Context context) {
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Log.i(TAG, "init context:"+context);
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mContext = context;
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//获取系统默认的UncaughtException处理器
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mDefaultHandler = Thread.getDefaultUncaughtExceptionHandler();
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//设置该CrashHandler为程序的默认处理器
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Thread.setDefaultUncaughtExceptionHandler(this);
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}
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public void init(Context context,CrashListener crashListener) {
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Log.i(TAG, "init context:"+context);
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mContext = context;
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this.crashListener = crashListener;
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//设置该CrashHandler为程序的默认处理器
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Thread.setDefaultUncaughtExceptionHandler(this);
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}
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public interface CrashListener {
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void onCrash();
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}
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/**
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* 当UncaughtException发生时会转入该函数来处理
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*/
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@Override
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public void uncaughtException(Thread thread, Throwable ex) {
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//Log.i(TAG, "uncaughtException Throwable:"+ex);
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if (!handleException(ex) && mDefaultHandler != null) {
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//如果用户没有处理则让系统默认的异常处理器来处理
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mDefaultHandler.uncaughtException(thread, ex);
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}
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if (crashListener != null) {
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crashListener.onCrash();
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}
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}
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/**
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* 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.
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*
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* @param ex
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* @return true:如果处理了该异常信息;否则返回false.
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*/
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private boolean handleException(Throwable ex) {
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//Log.i(TAG, "handleException Throwable:"+ex);
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if (ex == null) {
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return false;
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}
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//收集设备参数信息
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collectDeviceInfo(mContext);
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//保存日志文件
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saveCatchInfoFile(ex);
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return true;
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}
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/**
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* 收集设备参数信息
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* @param ctx
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*/
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public void collectDeviceInfo(Context ctx) {
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Log.i(TAG, "collectDeviceInfo Context:"+ctx);
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try {
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PackageManager pm = ctx.getPackageManager();
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PackageInfo pi = pm.getPackageInfo(ctx.getPackageName(), PackageManager.GET_ACTIVITIES);
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if (pi != null) {
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String versionName = pi.versionName == null ? "null" : pi.versionName;
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String versionCode = pi.versionCode + "";
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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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Log.e(TAG, "an error occured when collect package info", e);
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}
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Field[] fields = Build.class.getDeclaredFields();
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for (Field field : fields) {
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try {
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field.setAccessible(true);
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infos.put(field.getName(), field.get(null).toString());
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Log.d(TAG, field.getName() + " : " + field.get(null));
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} catch (Exception e) {
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Log.e(TAG, "an error occured when collect crash info", e);
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}
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}
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}
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/**
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* 保存错误信息到文件中
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*
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* @param ex
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* @return 返回文件名称,便于将文件传送到服务器
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*/
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private String saveCatchInfoFile(Throwable ex) {
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ex.printStackTrace();
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//Log.i(TAG, "saveCatchInfo2File Throwable:"+ex);
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StringBuffer sb = 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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sb.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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sb.append(result);
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try {
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long timestamp = System.currentTimeMillis();
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String time = formatter.format(new Date());
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String fileName = "crash-" + time + "-" + timestamp + ".log";
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if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
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String path = mContext.getExternalFilesDir(null).getAbsolutePath()+"/crash/";
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File dir = new File(path);
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if (!dir.exists()) {
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dir.mkdirs();
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}
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String newFileName = path + fileName;
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Log.i(TAG,"exc newFileName:"+newFileName);
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File file = new File(newFileName);
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file.mkdirs();
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if(file.exists()){
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file.delete();
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}
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file.createNewFile();
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FileOutputStream fos = new FileOutputStream(file);
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fos.write(sb.toString().getBytes());
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//发送给开发人员
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sendCrashLog2PM(path+fileName);
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fos.close();
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}
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return fileName;
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} catch (Exception e) {
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Log.e(TAG, "an error occured while writing file...", e);
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}
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return null;
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}
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/**
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* 将捕获的导致崩溃的错误信息发送给开发人员
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*
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* 目前只将log日志保存在sdcard 和输出到LogCat中，并未发送给后台。
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*/
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private void sendCrashLog2PM(String fileName){
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Log.i(TAG, "asendCrashLog2PM fileName:"+fileName);
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if(!new File(fileName).exists()){
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Toast.makeText(mContext, "日志文件不存在！", Toast.LENGTH_SHORT).show();
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return;
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}
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FileInputStream fis = null;
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BufferedReader reader = null;
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String s = null;
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try {
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fis = new FileInputStream(fileName);
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reader = new BufferedReader(new InputStreamReader(fis, "GBK"));
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while(true){
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s = reader.readLine();
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if(s == null) break;
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//由于目前尚未确定以何种方式发送，所以先打出log日志。
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//Log.i("info", s.toString());
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}
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} catch (FileNotFoundException e) {
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e.printStackTrace();
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} catch (IOException e) {
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e.printStackTrace();
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}finally{ // 关闭流
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try {
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reader.close();
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fis.close();
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} catch (IOException 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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