先阅读这篇文章
https://blog.csdn.net/wozuihaole/article/details/70224920
三个类我贴出来
package com.example.testuncaughtexceptionhandler;
import android.content.Context;
import android.os.Process;
import android.util.Log;
/**
* Created by v_wangxuegang on 2018/5/7.
*/
public class CrashHandler implements Thread.UncaughtExceptionHandler {
private Context context;
private static class Holdler {
private static CrashHandler crashHandler = new CrashHandler();
}
public static CrashHandler getInstance() {
return Holdler.crashHandler;
}
public void init(Context context){
Thread.UncaughtExceptionHandler uncaughtExceptionHandler=Thread.getDefaultUncaughtExceptionHandler();
Thread.setDefaultUncaughtExceptionHandler(this);
context=context.getApplicationContext();
}
@Override
public void uncaughtException(Thread t, Throwable e) {
MyApplication.clearActivity();
Log.i("zhang_xin111",e.getMessage());
Process.killProcess(Process.myPid());
}
}
package com.example.testuncaughtexceptionhandler;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
MyApplication.addActivity(this);
}
public void aaa(View view) {
int a=1/0;
}
}
package com.example.testuncaughtexceptionhandler;
import android.app.Activity;
import android.app.Application;
import java.util.ArrayList;
import java.util.List;
/**
* Created by v_wangxuegang on 2018/5/7.
*/
public class MyApplication extends Application {
private static List<Activity> activities = new ArrayList<>();
@Override
public void onCreate() {
super.onCreate();
activities = new ArrayList<>();
CrashHandler.getInstance().init(this);
}
public static void addActivity(Activity activity) {
activities.add(activity);
}
public static void clearActivity() {
for (Activity activity : activities) {
activity.finish();
;
}
}
}
下面的代码是某著名公司崩溃日志输出到本地和上传服务器的代码,可以参考
日志回传的内容
package com.baidu.map.location.lib.utils;
import android.content.Context;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.os.Build;
import com.baidu.map.location.lib.http.HttpClient;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
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.Map;
import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.Response;
/**
* crash日志
* Created by guozhenqian on 18/3/23.
*/
public class UncaughtExceptionHandler implements Thread.UncaughtExceptionHandler {
private static final String URL = "http://10.101.93.81:8182/infopass/mecp";
private static volatile boolean mCrashing = false;
private Context mContext;
// 用来存储设备信息和异常信息
private HashMap<String, String> infos = new HashMap<>();
private File file;
private BufferedReader bufferedReader;
private FileReader fileReader;
public UncaughtExceptionHandler() {
}
private static class Holer {
private static UncaughtExceptionHandler instance = new UncaughtExceptionHandler();
}
public static UncaughtExceptionHandler getInstance() {
return Holer.instance;
}
public void init(Context context) {
mContext = context;
Thread.setDefaultUncaughtExceptionHandler(this);
}
@Override
public void uncaughtException(Thread thread, Throwable throwable) {
if (mCrashing) {
return;
}
mCrashing = true;
if (!handleException(throwable)) {
Thread.getDefaultUncaughtExceptionHandler().uncaughtException(thread, throwable);
}
android.os.Process.killProcess(android.os.Process.myPid());
System.exit(1);
}
private boolean handleException(Throwable throwable) {
if (throwable == null) {
return false;
}
collectDeviceInfo();
saveCatchInfo(throwable);
return true;
}
private void saveCatchInfo(final Throwable ex) {
new Thread(new Runnable() {
@Override
public void run() {
StringBuffer sb = new StringBuffer();
for (Map.Entry<String, String> 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();
sb.append(result);
try {
DateFormat formatter = new SimpleDateFormat("yyyy-MM-dd-HH-mm-ss");
String time = formatter.format(new Date());
String fileName = "crash-" + time + ".log";
String fileDir = SysOSAPI.getInstance().getSdPath() + File.separator + "log";
file = new File(fileDir + fileName);
if (!file.exists()) {
file.createNewFile();
}
FileOutputStream fos = new FileOutputStream(file);
fos.write(sb.toString().getBytes());
fos.close();
// 发送给服务端的时机
} catch (Exception e) {
NLog.d("an error occured while writing file..." + e);
}
}
}).start();
}
private void collectDeviceInfo() {
// 手机型号信息
infos.clear();
Field[] fields = Build.class.getDeclaredFields();
for (Field field : fields) {
try {
field.setAccessible(true);
infos.put(field.getName(), field.get(null).toString());
} catch (Exception e) {
NLog.d("an error occured when collect crash info" + e.toString());
}
}
// 安装包的信息
try {
PackageManager pm = mContext.getPackageManager();
PackageInfo pi = pm.getPackageInfo(mContext.getPackageName(), 0);
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) {
NLog.d("an error occured when collect package info" + e.toString());
}
}
// 上传到服务器
public void upLoadAndDelete() {
if (!file.exists()) {
return;
}
String content = null;
try {
fileReader = new FileReader(file);
bufferedReader = new BufferedReader(fileReader);
String str = null;
while ((str = bufferedReader.readLine()) != null) {
content = content + str;
}
} catch (Exception e) {
e.printStackTrace();
} finally {
if (bufferedReader != null) {
try {
bufferedReader.close();
} catch (IOException e) {
e.printStackTrace();
}
}
if (fileReader != null) {
try {
fileReader.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
HashMap<String, String> hashMap = new HashMap<>();
hashMap.put("content", content);
HttpClient.getInstane().asyncPost(UncaughtExceptionHandler.URL, "reportCrashLog", hashMap, new Callback() {
@Override
public void onFailure(Call call, IOException e) {
}
@Override
public void onResponse(Call call, Response response) throws IOException {
file.delete();
}
});
}
}
/**
* 异步Post请求
*
* @param url
* @param parameters
*
* @return
*/
public void asyncPost(String url, String method, HashMap<String, String> parameters, Callback callback) {
try {
JSONObject params = new JSONObject();
Iterator iter = parameters.entrySet().iterator();
while (iter.hasNext()) {
Map.Entry entry = (Map.Entry) iter.next();
String key = (String) entry.getKey();
String val = (String) entry.getValue();
params.put(key, val);
}
JSONObject serverId = new JSONObject();
serverId.put("method", method);
// 构建嵌套的json数据
JSONObject obj = new JSONObject();
obj.put("serverId", serverId);
obj.put("param", params);
// StringEntity stringEntity = new StringEntity(MessageUtil.encrypt(obj.toString()), "UTF-8");
NLog.d(obj.toString());
RequestBody requestBody = RequestBody
.create(MediaType.parse(CONTENT_TYPE), Utils.encrypt(obj.toString()));
Request request = new Request.Builder()
.url(url)
.post(requestBody)
.build();
okHttpClient.newCall(request).enqueue(callback);
} catch (JSONException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
}