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190 lines
5.4 KiB
190 lines
5.4 KiB
package com.jiangdg.usbcamera.utils;
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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.content.pm.PackageManager.NameNotFoundException;
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import android.os.Build;
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import android.os.Environment;
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import android.os.Looper;
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import android.widget.Toast;
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import java.io.File;
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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.lang.Thread.UncaughtExceptionHandler;
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import java.lang.reflect.Field;
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import java.util.HashMap;
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import java.util.Map;
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/**
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* UncaughtException处理类,当程序发生Uncaught异常的时候,有该类来接管程序,并记录发送错误报告.
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*
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* @author user
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*
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*/
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public class CrashHandler implements UncaughtExceptionHandler {
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public static final String TAG = "CrashHandler";
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public static final String PROGRAM_BROKEN_ACTION = "com.teligen.wccp.PROGRAM_BROKEN";
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// 系统默认的UncaughtException处理类
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private UncaughtExceptionHandler mDefaultHandler;
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// CrashHandler实例
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private static CrashHandler instance = new CrashHandler();
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// 程序的Context对象
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private Context mContext;
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// 程序的主Activity的class
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private Class<?> mainActivityClass;
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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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/** 保证只有一个CrashHandler实例 */
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private CrashHandler() {
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}
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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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return instance;
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}
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public void init(Context context, Class<?> activityClass) {
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mContext = context;
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this.setMainActivityClass(activityClass);
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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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/**
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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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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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} else {
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//重启应用,释放资源
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System.out.println("uncaughtException--->" + ex.getMessage());
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// Log.e(TAG, ex.getMessage());
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logError(ex);
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try {
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Thread.sleep(3000);
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} catch (InterruptedException e) {
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// Log.e("debug", "error:", e);
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}
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// AppManagerUtils.removeAllActivities();
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// AppManagerUtils.restartApp(mContext,mContext.getPackageName());
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// AppManagerUtils.releaseAppResource();
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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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if (ex == null) {
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return false;
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}
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new Thread(new Runnable() {
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@Override
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public void run() {
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Looper.prepare();
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Toast.makeText(mContext.getApplicationContext(),
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"程序异常退出,即将重启...", Toast.LENGTH_LONG).show();
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Looper.loop();
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}
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}).start();
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// 收集设备参数信息
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collectDeviceInfo(mContext.getApplicationContext());
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// 保存日志文件
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logError(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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*
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* @param ctx
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*/
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public void 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(),
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PackageManager.GET_ACTIVITIES);
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if (pi != null) {
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String versionName = pi.versionName == null ? "null"
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: 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 (NameNotFoundException e) {
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// Log.e(TAG, "收集包信息出现错误", 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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} catch (Exception e) {
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// Log.e(TAG, "收集系统信息出现错误", 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 void logError(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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int num = ex.getStackTrace().length;
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for (int i=0;i<num;i++){
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sb.append(ex.getStackTrace()[i].toString());
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sb.append("\n");
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}
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File file = new File(Environment.getExternalStorageDirectory().getAbsolutePath()
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+File.separator+System.currentTimeMillis()+".txt");
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FileOutputStream fos = null;
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try {
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fos = new FileOutputStream(file);
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fos.write((sb.toString()+"异常:"+ex.getLocalizedMessage()).getBytes());
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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 {
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try {
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fos.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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// Log.e(TAG, "出现未捕捉异常,程序异常退出!", ex);
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}
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public Class<?> getMainActivityClass() {
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return mainActivityClass;
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}
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public void setMainActivityClass(Class<?> mainActivityClass) {
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this.mainActivityClass = mainActivityClass;
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}
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}
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