public class CrashHandler implements UncaughtExceptionHandler { private static final String TAG = "CrashHandler"; private static final boolean DEBUG = true; private static final String FILE_NAME = "crash";// log文件的后綴名private static final String FILE_NAME_SUFFIX = ".txt";private static CrashHandler sInstance = new CrashHandler();// 系統(tǒng)默認(rèn)的異常處理（默認(rèn)情況下，系統(tǒng)會(huì)終止當(dāng)前的異常程序）private UncaughtExceptionHandler mDefaultCrashHandler;private Context mContext;//log路徑private String mLogPath=null;// 構(gòu)造方法私有，防止外部構(gòu)造多個(gè)實(shí)例，即采用單例模式private CrashHandler() {}public static CrashHandler getInstance() { return sInstance;}// 這里主要完成初始化工作public void init(Context context,String logPath) { // 獲取系統(tǒng)默認(rèn)的異常處理器 mDefaultCrashHandler = Thread.getDefaultUncaughtExceptionHandler(); // 將當(dāng)前實(shí)例設(shè)為系統(tǒng)默認(rèn)的異常處理器 Thread.setDefaultUncaughtExceptionHandler(this); // 獲取Context，方便內(nèi)部使用 mContext = context.getApplicationContext(); this.mLogPath=logPath;}/** * 這個(gè)是最關(guān)鍵的函數(shù)，當(dāng)程序中有未被捕獲的異常，系統(tǒng)將會(huì)自動(dòng)調(diào)用#uncaughtException方法 * thread為出現(xiàn)未捕獲異常的線程，ex為未捕獲的異常，有了這個(gè)ex，我們就可以得到異常信息。 */@Overridepublic void uncaughtException(Thread thread, Throwable ex) { try {  // 導(dǎo)出異常信息到SD卡中  dumpExceptionToSDCard(ex);  // 這里可以通過(guò)網(wǎng)絡(luò)上傳異常信息到服務(wù)器，便于開(kāi)發(fā)人員分析日志從而解決bug  uploadExceptionToServer(); } catch (IOException e) {  e.printStackTrace(); } // 打印出當(dāng)前調(diào)用棧信息 ex.printStackTrace(); // 如果系統(tǒng)提供了默認(rèn)的異常處理器，則交給系統(tǒng)去結(jié)束我們的程序，否則就由我們自己結(jié)束自己 if (mDefaultCrashHandler != null) {  mDefaultCrashHandler.uncaughtException(thread, ex); } else {  Process.killProcess(Process.myPid()); }}/** * 寫(xiě)入SD卡 *  * @param ex * @throws IOException */@SuppressLint("SimpleDateFormat")private void dumpExceptionToSDCard(Throwable ex) throws IOException { // 如果SD卡不存在或無(wú)法使用，則無(wú)法把異常信息寫(xiě)入SD卡 if (!Environment.getExternalStorageState().equals(   Environment.MEDIA_MOUNTED)) {  if (DEBUG) {   Log.e(TAG, "sdcard unmounted,skip dump exception");   return;  } } File dir = new File(mLogPath); if (!dir.exists()) {  dir.mkdirs(); } long current = System.currentTimeMillis(); String time = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss")   .format(new Date(current)); // 以當(dāng)前時(shí)間創(chuàng)建log文件 File file = new File(mLogPath + FILE_NAME + time   + FILE_NAME_SUFFIX); try {  PrintWriter pw = new PrintWriter(new BufferedWriter(new FileWriter(    file)));  // 導(dǎo)出發(fā)生異常的時(shí)間  pw.println(time);  // 導(dǎo)出手機(jī)信息  dumpPhoneInfo(pw);  pw.println();  // 導(dǎo)出異常的調(diào)用棧信息  ex.printStackTrace(pw);  pw.close(); } catch (Exception e) {  Log.e(TAG, "dump crash info failed"); }}private void dumpPhoneInfo(PrintWriter pw) throws NameNotFoundException { // 應(yīng)用的版本名稱和版本號(hào) PackageManager pm = mContext.getPackageManager(); PackageInfo pi = pm.getPackageInfo(mContext.getPackageName(),   PackageManager.GET_ACTIVITIES); pw.print("App Version: "); pw.print(pi.versionName); pw.print('_'); pw.println(pi.versionCode); // android版本號(hào) pw.print("OS Version: "); pw.print(Build.VERSION.RELEASE); pw.print("_"); pw.println(Build.VERSION.SDK_INT); // 手機(jī)制造商 pw.print("Vendor: "); pw.println(Build.MANUFACTURER); // 手機(jī)型號(hào) pw.print("Model: "); pw.println(Build.MODEL); // cpu架構(gòu) pw.print("CPU ABI: "); pw.println(Build.CPU_ABI);}/** * 上傳到服務(wù)器(這里需要實(shí)現(xiàn)) */private void uploadExceptionToServer() {}}

public class APP extends Application { //log路徑 private static final String LOG_PATH= Environment  .getExternalStorageDirectory().getPath() + File.separator + "Live" + File.separator  + "log" + File.separator; @Overridepublic void onCreate() { super.onCreate(); CrashHandler.getInstance().init(this,LOG_PATH);}}

class MainActivity : AppCompatActivity(){var mBtnSecond:Button?=null;override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_main) checkPermission() initView()}fun initView(){ mBtnSecond=findViewById(R.id.btn_second) mBtnSecond?.setOnClickListener{  var intent= Intent(this,SecondActivity::class.java)  startActivity(intent) }}/** * 6.0以下版本(系統(tǒng)自動(dòng)申請(qǐng)) 不會(huì)彈框 * 有些廠商修改了6.0系統(tǒng)申請(qǐng)機(jī)制，他們修改成系統(tǒng)自動(dòng)申請(qǐng)權(quán)限了 */private fun checkPermission(){ val permissionItems = ArrayList<PermissionItem>() permissionItems.add(PermissionItem(Manifest.permission.READ_EXTERNAL_STORAGE, "讀取空間", R.drawable.permission_ic_phone)) permissionItems.add(PermissionItem(Manifest.permission.WRITE_EXTERNAL_STORAGE,"存儲(chǔ)空間",R.drawable.permission_ic_storage)) HiPermission.create(this)   .title("親愛(ài)的上帝")   .msg("為了能夠正常使用，請(qǐng)開(kāi)啟這些權(quán)限吧！")   .permissions(permissionItems)   .style(R.style.PermissionDefaultBlueStyle)   .animStyle(R.style.PermissionAnimScale)   .checkMutiPermission(object : PermissionCallback {    override fun onClose() {     Toast.makeText(this@MainActivity,"用戶關(guān)閉了權(quán)限",Toast.LENGTH_LONG).show();    }    override fun onFinish() {     Toast.makeText(this@MainActivity,"初始化完畢！",Toast.LENGTH_LONG).show();    }    override fun onDeny(permission: String, position: Int) {    }    override fun onGuarantee(permission: String, position: Int) {    }   })} }

public class CrashActivity extends AppCompatActivity {Button mBtnCrash;@Overrideprotected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_second); mBtnCrash=findViewById(R.id.btn_crash); mBtnCrash.setOnClickListener(new View.OnClickListener() {  @Override  public void onClick(View v) {   Toast.makeText(CrashActivity.this,"出現(xiàn)異常了",Toast.LENGTH_LONG).show();    throw new RuntimeException(toUtf8("出現(xiàn)異常了"));  } });}public static String toUtf8(String str) { String result = null; try {  result = new String(str.getBytes("UTF-8"), "UTF-8"); } catch (UnsupportedEncodingException e) {  e.printStackTrace(); } return result;}}