package com.jy.toolcar.util;
import android.content.Context;
import android.content.Intent;
import android.os.Environment;
import android.os.Process;
import com.jy.toolcar.ui.activity.LoginActivity;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.io.Writer;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
/**
* 异常崩溃处理
*
* 需在程序的入口进行初始化
* CrashHandler.getInstance().init(getCarLockContext());
* Thread.setDefaultUncaughtExceptionHandler(CrashHandler.getInstance());
*/
public class CrashHandlerimplements Thread.UncaughtExceptionHandler {
private Thread.UncaughtExceptionHandlerdefaultHanlder;
// 程序的Context对象
private ContextmContext;
private CrashHandler() {
}
public static CrashHandlergetInstance() {
return CrashHandlerHolder.INSTANCE;
}
public void init(Context context) {
mContext = context;
defaultHanlder = Thread.getDefaultUncaughtExceptionHandler();
Thread.setDefaultUncaughtExceptionHandler(this);
}
@Override
public void uncaughtException(Thread t, Throwable e) {
if (!handleCrash(e)) {
defaultHanlder.uncaughtException(t, e);
}else {
//TODO:仅测试时开放
defaultHanlder.uncaughtException(t, e);
try {
Thread.sleep(1000);
}catch (Exception e1) {
e1.printStackTrace();
}
Process.killProcess(Process.myPid());
System.exit(1);
}
}
private boolean handleCrash(Throwable e) {
if (null == e)return false;
StringBuilder builder =new StringBuilder();
Writer writer =new StringWriter();
PrintWriter printWriter =new PrintWriter(writer);
e.printStackTrace(printWriter);
Throwable cause = e.getCause();
while (null != cause) {
cause.printStackTrace(printWriter);
cause = cause.getCause();
}
printWriter.close();
String msg = writer.toString();
String time =new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.CHINA).format(new Date());
builder.append(time)
.append("#")
.append(msg);
saveErrorFile(builder.toString());
Intent intent =new Intent(mContext, LoginActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_NEW_TASK);
mContext.startActivity(intent);
return true;
}
private void saveErrorFile(String msg) {
String logFilePath =getCrashLogPath();
File file =new File(logFilePath);
if (!file.exists()) {
FileUtils.createFile(logFilePath);
}else {
if (file.length() >=5 *1024 *1024) {//大于5M就删除旧文件，重新生成新文件，一般不会超出大小
file.delete();
try {
file.createNewFile();
}catch (IOException e) {
e.printStackTrace();
}
}
}
BufferedWriter out =null;
try {
out =new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file, true)));
out.write(msg);
}catch (Exception e) {
e.printStackTrace();
}finally {
try {
if (out !=null) {
out.close();
}
}catch (Exception e) {
e.printStackTrace();
}
}
}
private final static class CrashHandlerHolder {
private final static CrashHandlerINSTANCE =new CrashHandler();
}
public static StringgetCrashLogPath() {
StringBuilder pathBuilder =new StringBuilder();
pathBuilder.append(Environment.getExternalStorageDirectory())
.append(File.separator)
.append("AppTool")
.append(File.separator)
.append("log")
.append(File.separator)
.append("error.log");
return pathBuilder.toString();
}
}
