ich-android/app/src/main/java/com/emato/ich/crash/UncaughtExceptionHandlerImpl.java

package com.emato.ich.crash;

import android.annotation.SuppressLint;
import android.app.AlarmManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.os.Build;
import android.os.Environment;
import android.os.Looper;
import android.util.Log;
import android.widget.Toast;

import com.emato.ich.MainActivity;

import java.io.File;
import java.io.FileOutputStream;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.io.Writer;
import java.lang.reflect.Field;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

public class UncaughtExceptionHandlerImpl implements Thread.UncaughtExceptionHandler {

    private static final String TAG = UncaughtExceptionHandlerImpl.class.getName();
    private static UncaughtExceptionHandlerImpl INSTANCE;
    private Thread.UncaughtExceptionHandler mDefaultHandler;
    private Context mContext;
    private Map<String, String> infos = new HashMap();
    @SuppressLint({"SimpleDateFormat"})
    private DateFormat formatter = new SimpleDateFormat("yyyy-MM-dd-HH-mm-ss");
    private boolean mIsDebug;
    private boolean mIsRestartApp;
    private long mRestartTime;
    private Class mRestartActivity;
    private String mTips;

    private UncaughtExceptionHandlerImpl() {
    }

    public static UncaughtExceptionHandlerImpl getInstance() {
        if (INSTANCE == null) {
            INSTANCE = new UncaughtExceptionHandlerImpl();
        }

        return INSTANCE;
    }

    public void init(Context context, boolean isDebug, boolean isRestartApp, long restartTime, Class restartActivity) {
        this.mIsRestartApp = isRestartApp;
        this.mRestartTime = restartTime;
        this.mRestartActivity = restartActivity;
        this.init(context, isDebug);
    }

    public void init(Context context, boolean isDebug) {
        this.mTips = "很抱歉，程序出现异常，即将退出...";
        this.mIsDebug = isDebug;
        this.mContext = context;
        this.mDefaultHandler = Thread.getDefaultUncaughtExceptionHandler();
        Thread.setDefaultUncaughtExceptionHandler(this);
    }

    @SuppressLint("WrongConstant")
    public void uncaughtException(Thread thread, Throwable ex) {
        if (!this.handleException(ex) && this.mDefaultHandler != null) {
            this.mDefaultHandler.uncaughtException(thread, ex);
        } else {
            try {
                Thread.sleep(2000L);
            } catch (InterruptedException var6) {
                Log.e(TAG, "error : ", var6);
            }

            if (this.mIsRestartApp) {
                Intent intent = new Intent(this.mContext.getApplicationContext(), this.mRestartActivity);
                @SuppressLint("WrongConstant") AlarmManager mAlarmManager = (AlarmManager)this.mContext.getSystemService(Context.ALARM_SERVICE);
                @SuppressLint("WrongConstant") PendingIntent restartIntent = PendingIntent.getActivity(this.mContext.getApplicationContext(), 0, intent, PendingIntent.FLAG_UPDATE_CURRENT);
                mAlarmManager.set(AlarmManager.RTC, System.currentTimeMillis() + this.mRestartTime, restartIntent);
            }

//            android.os.Process.killProcess(android.os.Process.myPid());
            ((CrashApplication)this.mContext.getApplicationContext()).removeAllActivity();
        }

    }

    private boolean handleException(final Throwable ex) {
        if (ex == null) {
            return false;
        } else {
            (new Thread() {
                @SuppressLint("WrongConstant")
                public void run() {
                    Looper.prepare();
                    Toast.makeText(UncaughtExceptionHandlerImpl.this.mContext, UncaughtExceptionHandlerImpl.this.getTips(ex), 1).show();
                    Looper.loop();
                }
            }).start();
            return true;
        }
    }

    private String getTips(Throwable ex) {
        if (ex instanceof SecurityException) {
            if (ex.getMessage().contains("android.permission.CAMERA")) {
                this.mTips = "请授予应用相机权限，程序出现异常，即将退出.";
            } else if (ex.getMessage().contains("android.permission.RECORD_AUDIO")) {
                this.mTips = "请授予应用麦克风权限，程序出现异常，即将退出。";
            } else if (ex.getMessage().contains("android.permission.WRITE_EXTERNAL_STORAGE")) {
                this.mTips = "请授予应用存储权限，程序出现异常，即将退出。";
            } else if (ex.getMessage().contains("android.permission.READ_PHONE_STATE")) {
                this.mTips = "请授予应用电话权限，程序出现异常，即将退出。";
            } else if (!ex.getMessage().contains("android.permission.ACCESS_COARSE_LOCATION") && !ex.getMessage().contains("android.permission.ACCESS_FINE_LOCATION")) {
                this.mTips = "很抱歉，程序出现异常，即将退出，请检查应用权限设置。";
            } else {
                this.mTips = "请授予应用位置信息权，很抱歉，程序出现异常，即将退出。";
            }
        }

        return this.mTips;
    }

    public void collectDeviceInfo(Context ctx) {
        try {
            PackageManager pm = ctx.getPackageManager();
            @SuppressLint("WrongConstant") PackageInfo pi = pm.getPackageInfo(ctx.getPackageName(), 1);
            if (pi != null) {
                String versionName = pi.versionName == null ? "null" : pi.versionName;
                String versionCode = pi.versionCode + "";
                this.infos.put("versionName", versionName);
                this.infos.put("versionCode", versionCode);
            }
        } catch (PackageManager.NameNotFoundException var9) {
            Log.e(TAG, "an error occured when collect package info", var9);
        }

        Field[] fields = Build.class.getDeclaredFields();
        Field[] var11 = fields;
        int var12 = fields.length;

        for(int var13 = 0; var13 < var12; ++var13) {
            Field field = var11[var13];

            try {
                field.setAccessible(true);
                this.infos.put(field.getName(), field.get((Object)null).toString());
                Log.d(TAG, field.getName() + " : " + field.get((Object)null));
            } catch (Exception var8) {
                Log.e(TAG, "an error occured when collect crash info", var8);
            }
        }

    }

    private String saveCrashInfo2File(Throwable ex) {
        StringBuffer sb = new StringBuffer();
        Iterator var3 = this.infos.entrySet().iterator();

        String result;
        while(var3.hasNext()) {
            Map.Entry<String, String> entry = (Map.Entry)var3.next();
            String key = (String)entry.getKey();
            result = (String)entry.getValue();
            sb.append(key + "=" + result + "\n");
        }

        Writer writer = new StringWriter();
        PrintWriter printWriter = new PrintWriter(writer);
        ex.printStackTrace(printWriter);

        for(Throwable cause = ex.getCause(); cause != null; cause = cause.getCause()) {
            cause.printStackTrace(printWriter);
        }

        printWriter.close();
        result = writer.toString();
        sb.append(result);

        try {
            long timestamp = System.currentTimeMillis();
            String time = this.formatter.format(new Date());
            String fileName = "crash-" + time + "-" + timestamp + ".log";
            if (Environment.getExternalStorageState().equals("mounted")) {
                String path = "/sdcard/" + this.mContext.getPackageName() + "/crash/";
                File dir = new File(path);
                if (!dir.exists()) {
                    dir.mkdirs();
                }

                FileOutputStream fos = new FileOutputStream(path + fileName);
                fos.write(sb.toString().getBytes());
                fos.close();
            }

            return fileName;
        } catch (Exception var14) {
            Log.e(TAG, "an error occured while writing file...", var14);
            return null;
        }
    }
}