package xiangde.activity;import java.io.BufferedReader;import java.io.File;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStreamReader;import java.io.PrintWriter;import java.io.StringWriter;import java.io.Writer;import java.lang.Thread.UncaughtExceptionHandler;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 android.content.Context;import android.content.pm.PackageInfo;import android.content.pm.PackageManager;import android.content.pm.PackageManager.NameNotFoundException;import android.os.Build;import android.os.Environment;import android.os.Looper;import android.util.Log;import android.widget.Toast;    /**   * 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.  *  *  需要在Application中注册，为了要在程序启动器就监控整个程序。 */    public class CrashHandler implements UncaughtExceptionHandler {                public static final String TAG = "CrashHandler";                //系统默认的UncaughtException处理类         private Thread.UncaughtExceptionHandler mDefaultHandler;        //CrashHandler实例        private static CrashHandler instance;   //程序的Context对象        private Context mContext;        //用来存储设备信息和异常信息        private Map<String, String> infos = new HashMap<String, String>();            //用于格式化日期,作为日志文件名的一部分        private DateFormat formatter = new SimpleDateFormat("yyyy-MM-dd-HH-mm-ss");            /** 保证只有一个CrashHandler实例 */        private CrashHandler() {}            /** 获取CrashHandler实例 ,单例模式 */        public static CrashHandler getInstance() {            if(instance == null)            instance = new CrashHandler();           return instance;        }            /**       * 初始化       */        public void init(Context context) {            mContext = context;            //获取系统默认的UncaughtException处理器            mDefaultHandler = Thread.getDefaultUncaughtExceptionHandler();            //设置该CrashHandler为程序的默认处理器            Thread.setDefaultUncaughtExceptionHandler(this);        }            /**       * 当UncaughtException发生时会转入该函数来处理       */        @Override        public void uncaughtException(Thread thread, Throwable ex) {            if (!handleException(ex) && mDefaultHandler != null) {                //如果用户没有处理则让系统默认的异常处理器来处理                mDefaultHandler.uncaughtException(thread, ex);            } else {      //如果自己处理了异常，则不会弹出错误对话框，则需要手动退出app            try {                    Thread.sleep(3000);                } catch (InterruptedException e) {                    Log.e(TAG, "error : ", e);                }                //退出程序                android.os.Process.killProcess(android.os.Process.myPid());                System.exit(1);            }        }            /**       * 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.       *        * @param ex       * @return true:如果处理了该异常信息;否则返回false.       */        private boolean handleException(Throwable ex) {          if (ex == null) {                return false;            }            Log.e("error",ex.toString());        //收集设备参数信息             collectDeviceInfo(mContext);                    //使用Toast来显示异常信息            new Thread() {                @Override                public void run() {                    Looper.prepare();                    Toast.makeText(mContext, "很抱歉,程序出现异常,即将退出.", Toast.LENGTH_SHORT).show();                    Looper.loop();                }            }.start();            //保存日志文件             saveCatchInfo2File(ex);          return true;        }                /**       * 收集设备参数信息       * @param ctx       */        public void collectDeviceInfo(Context ctx) {            try {                PackageManager pm = ctx.getPackageManager();                PackageInfo pi = pm.getPackageInfo(ctx.getPackageName(), PackageManager.GET_ACTIVITIES);                if (pi != null) {                    String versionName = pi.versionName == null ? "null" : pi.versionName;                    String versionCode = pi.versionCode + "";                    infos.put("versionName", versionName);                    infos.put("versionCode", versionCode);                }            } catch (NameNotFoundException e) {                Log.e(TAG, "an error occured when collect package info", e);            }            Field[] fields = Build.class.getDeclaredFields();            for (Field field : fields) {                try {                    field.setAccessible(true);                    infos.put(field.getName(), field.get(null).toString());                    Log.d(TAG, field.getName() + " : " + field.get(null));                } catch (Exception e) {                    Log.e(TAG, "an error occured when collect crash info", e);                }            }        }            /**       * 保存错误信息到文件中       *        * @param ex       * @return  返回文件名称,便于将文件传送到服务器       */        private String saveCatchInfo2File(Throwable ex) {                        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 {                long timestamp = System.currentTimeMillis();                String time = formatter.format(new Date());                String fileName = "crash-" + time + "-" + timestamp + ".log";                if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {                    String path = "/mnt/sdcard/crash/";                    File dir = new File(path);                    if (!dir.exists()) {                        dir.mkdirs();                    }                    FileOutputStream fos = new FileOutputStream(path + fileName);                    fos.write(sb.toString().getBytes());                  //发送给开发人员                sendCrashLog2PM(path+fileName);                fos.close();                }                return fileName;            } catch (Exception e) {                Log.e(TAG, "an error occured while writing file...", e);            }            return null;        }            /**     * 将捕获的导致崩溃的错误信息发送给开发人员     *      * 目前只将log日志保存在sdcard 和输出到LogCat中，并未发送给后台。     */    private void sendCrashLog2PM(String fileName){        if(!new File(fileName).exists()){            Toast.makeText(mContext, "日志文件不存在！", Toast.LENGTH_SHORT).show();            return;        }        FileInputStream fis = null;        BufferedReader reader = null;        String s = null;        try {            fis = new FileInputStream(fileName);            reader = new BufferedReader(new InputStreamReader(fis, "GBK"));            while(true){                s = reader.readLine();                if(s == null) break;                //由于目前尚未确定以何种方式发送，所以先打出log日志。                Log.e("error", s.toString());            }        } catch (FileNotFoundException e) {            e.printStackTrace();        } catch (IOException e) {            e.printStackTrace();        }finally{    // 关闭流            try {                reader.close();                fis.close();            } catch (IOException e) {                e.printStackTrace();            }        }    }}   

package com.example.callstatus;    import java.io.File; import java.io.FileOutputStream; import java.io.PrintWriter; import java.io.StringWriter; import java.lang.Thread.UncaughtExceptionHandler; import java.lang.reflect.Field; import java.net.UnknownHostException; import java.text.DateFormat; import java.text.SimpleDateFormat; import java.util.Date; import java.util.HashMap; import java.util.Map;    import android.annotation.SuppressLint; import android.content.Context; import android.content.pm.PackageInfo; import android.content.pm.PackageManager; import android.content.pm.PackageManager.NameNotFoundException; import android.os.Build; import android.os.Environment; import android.os.Looper; import android.telephony.TelephonyManager; import android.text.TextUtils; import android.util.Log; import android.widget.Toast;    /** * 捕获android程序崩溃日志<br> * UncaughtException处理类,当程序发生Uncaught异常的时候,有该类来接管程序. *  * @author PMTOAM *  */ @SuppressLint("SimpleDateFormat") public class CrashHandler implements UncaughtExceptionHandler {        public static final String TAG = CrashHandler.class.getCanonicalName();        // 系统默认的UncaughtException处理类     private Thread.UncaughtExceptionHandler mDefaultHandler;     // CrashHandler实例     private static CrashHandler INSTANCE = new CrashHandler();     // 程序的Context对象     private Context mContext;     // 用来存储设备信息和异常信息     private Map<String, String> infos = new HashMap<String, String>();        // 用于格式化日期,作为日志文件名的一部分     private DateFormat formatter = new SimpleDateFormat("yyyyMMdd_HHmmss");        /**     * 保证只有一个实例     */     private CrashHandler()     {     }        /**     * 获取实例 ，单例模式     */     public static CrashHandler getInstance()     {         return INSTANCE;     }        /**     * 初始化     *      * @param context     */     public void init(Context context)     {         mContext = context;         // 获取系统默认的UncaughtException处理器         mDefaultHandler = Thread.getDefaultUncaughtExceptionHandler();         // 设置该CrashHandler为程序的默认处理器         Thread.setDefaultUncaughtExceptionHandler(this);     }        /**     * 当UncaughtException发生时会转入该函数来处理     */     @Override     public void uncaughtException(Thread thread, Throwable ex)     {         if (!handleException(ex) && mDefaultHandler != null)         {             // 如果用户没有处理则让系统默认的异常处理器来处理             mDefaultHandler.uncaughtException(thread, ex);         }         else         {             try             {                 Thread.sleep(3000);             }             catch (InterruptedException e)             {                 Log.e(TAG, "error : ", e);             }                // 退出程序             android.os.Process.killProcess(android.os.Process.myPid());             System.exit(1);         }     }        /**     * 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.     *      * @param ex     * @return true:如果处理了该异常信息;否则返回false.     */     private boolean handleException(Throwable ex)     {         if (ex == null)         {             return false;         }            // 使用Toast来显示异常信息         new Thread()         {             @Override             public void run()             {                 Looper.prepare();                 Toast.makeText(mContext, "很抱歉，程序出现异常。", Toast.LENGTH_LONG)                         .show();                 Looper.loop();             }         }.start();            // 收集设备参数信息         collectDeviceInfo(mContext);            // 保存日志文件         String str = saveCrashInfo2File(ex);         Log.e(TAG, str);            return false;     }        /**     * 收集设备参数信息     *      * @param ctx     */     public void collectDeviceInfo(Context ctx)     {         try         {             PackageManager pm = ctx.getPackageManager();             PackageInfo pi = pm.getPackageInfo(ctx.getPackageName(),                     PackageManager.GET_ACTIVITIES);             if (pi != null)             {                 String versionName = pi.versionName == null ? "null"                         : pi.versionName;                 String versionCode = pi.versionCode + "";                 infos.put("versionName", versionName);                 infos.put("versionCode", versionCode);             }            }         catch (NameNotFoundException e)         {             Log.e(TAG, "an error occured when collect package info", e);         }         Field[] fields = Build.class.getDeclaredFields();         for (Field field : fields)         {             try             {                 field.setAccessible(true);                 infos.put(field.getName(), field.get(null).toString());                 Log.d(TAG, field.getName() + " : " + field.get(null));             }             catch (Exception e)             {                 Log.e(TAG, "an error occured when collect crash info", e);             }         }     }        /**     * 保存错误信息到文件中     *      * @param ex     * @return 返回文件名称,便于将文件传送到服务器     */     private String saveCrashInfo2File(Throwable ex)     {            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");         }            sb.append("\n" + getStackTraceString(ex));            try         {             String time = formatter.format(new Date());                TelephonyManager mTelephonyMgr = (TelephonyManager) mContext                     .getSystemService(Context.TELEPHONY_SERVICE);             String imei = mTelephonyMgr.getDeviceId();             if (TextUtils.isEmpty(imei))             {                 imei = "unknownimei";             }                String fileName = "CRS_" + time + "_" + imei + ".txt";                File sdDir = null;                if (Environment.getExternalStorageState().equals(                     android.os.Environment.MEDIA_MOUNTED))                 sdDir = Environment.getExternalStorageDirectory();                File cacheDir = new File(sdDir + File.separator + "dPhoneLog");             if (!cacheDir.exists())                 cacheDir.mkdir();                File filePath = new File(cacheDir + File.separator + fileName);                FileOutputStream fos = new FileOutputStream(filePath);             fos.write(sb.toString().getBytes());             fos.close();                return fileName;         }         catch (Exception e)         {             Log.e(TAG, "an error occured while writing file...", e);         }         return null;     }        /**     * 获取捕捉到的异常的字符串     */     public static String getStackTraceString(Throwable tr)     {         if (tr == null)         {             return "";         }            Throwable t = tr;         while (t != null)         {             if (t instanceof UnknownHostException)             {                 return "";             }             t = t.getCause();         }            StringWriter sw = new StringWriter();         PrintWriter pw = new PrintWriter(sw);         tr.printStackTrace(pw);         return sw.toString();     } }

package com.example.callstatus;    import android.app.Application;    public class MyApplication extends Application {     @Override     public void onCreate()     {         super.onCreate();                    CrashHandler crashHandler = CrashHandler.getInstance();         crashHandler.init(getApplicationContext());     } }

import java.util.ArrayList;import java.util.List;import android.app.Activity;import android.os.Bundle;import android.support.v4.view.ViewPager;import android.support.v4.view.ViewPager.OnPageChangeListener;import android.view.LayoutInflater;import android.view.View;import android.widget.ImageView;import android.widget.LinearLayout;import cn.eoe.leigo.splash.adapter.ViewPagerAdapter;/** *  *  */public class GuideActivity extends Activity implements OnPageChangeListener {    private ViewPager vp;    private ViewPagerAdapter vpAdapter;    private List<View> views;    // 底部小点图片    private ImageView[] dots;    // 记录当前选中位置    private int currentIndex;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.guide);        // 初始化页面        initViews();        // 初始化底部小点        initDots();    }    private void initViews() {        LayoutInflater inflater = LayoutInflater.from(this);        views = new ArrayList<View>();        // 初始化引导图片列表        views.add(inflater.inflate(R.layout.what_new_one, null));        views.add(inflater.inflate(R.layout.what_new_two, null));        views.add(inflater.inflate(R.layout.what_new_three, null));        views.add(inflater.inflate(R.layout.what_new_four, null));        // 初始化Adapter        vpAdapter = new ViewPagerAdapter(views, this);                vp = (ViewPager) findViewById(R.id.viewpager);        vp.setAdapter(vpAdapter);        // 绑定回调        vp.setOnPageChangeListener(this);    }    private void initDots() {        LinearLayout ll = (LinearLayout) findViewById(R.id.ll);        dots = new ImageView[views.size()];        // 循环取得小点图片        for (int i = 0; i < views.size(); i++) {            dots[i] = (ImageView) ll.getChildAt(i);            dots[i].setEnabled(true);// 都设为灰色        }        currentIndex = 0;        dots[currentIndex].setEnabled(false);// 设置为白色，即选中状态    }    private void setCurrentDot(int position) {        if (position < 0 || position > views.size() - 1                || currentIndex == position) {            return;        }        dots[position].setEnabled(false);        dots[currentIndex].setEnabled(true);        currentIndex = position;    }    // 当滑动状态改变时调用    @Override    public void onPageScrollStateChanged(int arg0) {    }    // 当当前页面被滑动时调用    @Override    public void onPageScrolled(int arg0, float arg1, int arg2) {    }    // 当新的页面被选中时调用    @Override    public void onPageSelected(int arg0) {        // 设置底部小点选中状态        setCurrentDot(arg0);    }}

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ViewPagerAdapter.java。ViewPager的适配器：

import java.util.List;import android.app.Activity;import android.content.Context;import android.content.Intent;import android.content.SharedPreferences;import android.content.SharedPreferences.Editor;import android.os.Parcelable;import android.support.v4.view.PagerAdapter;import android.support.v4.view.ViewPager;import android.view.View;import android.view.View.OnClickListener;import android.widget.ImageView;import cn.eoe.leigo.splash.MainActivity;import cn.eoe.leigo.splash.R;/** */public class ViewPagerAdapter extends PagerAdapter {    // 界面列表    private List<View> views;    private Activity activity;    private static final String SHAREDPREFERENCES_NAME = "first_pref";    public ViewPagerAdapter(List<View> views, Activity activity) {        this.views = views;        this.activity = activity;    }    // 销毁arg1位置的界面    @Override    public void destroyItem(View arg0, int arg1, Object arg2) {        ((ViewPager) arg0).removeView(views.get(arg1));    }    @Override    public void finishUpdate(View arg0) {    }    // 获得当前界面数    @Override    public int getCount() {        if (views != null) {            return views.size();        }        return 0;    }    // 初始化arg1位置的界面    @Override    public Object instantiateItem(View arg0, int arg1) {        ((ViewPager) arg0).addView(views.get(arg1), 0);        if (arg1 == views.size() - 1) {            ImageView mStartWeiboImageButton = (ImageView) arg0                    .findViewById(R.id.iv_start_weibo);            mStartWeiboImageButton.setOnClickListener(new OnClickListener() {                @Override                public void onClick(View v) {                    // 设置已经引导                    setGuided();                    goHome();                }            });        }        return views.get(arg1);    }    private void goHome() {        // 跳转        Intent intent = new Intent(activity, MainActivity.class);        activity.startActivity(intent);        activity.finish();    }    /**     *      * method desc：设置已经引导过了，下次启动不用再次引导     */    private void setGuided() {        SharedPreferences preferences = activity.getSharedPreferences(                SHAREDPREFERENCES_NAME, Context.MODE_PRIVATE);        Editor editor = preferences.edit();        // 存入数据        editor.putBoolean("isFirstIn", false);        // 提交修改        editor.commit();    }    // 判断是否由对象生成界面    @Override    public boolean isViewFromObject(View arg0, Object arg1) {        return (arg0 == arg1);    }    @Override    public void restoreState(Parcelable arg0, ClassLoader arg1) {    }    @Override    public Parcelable saveState() {        return null;    }    @Override    public void startUpdate(View arg0) {    }}

View Code

SplashActivity.java,欢迎界面。

import android.app.Activity;import android.content.Intent;import android.content.SharedPreferences;import android.os.Bundle;import android.os.Handler;import android.os.Message;/** */public class SplashActivity extends Activity {    boolean isFirstIn = false;    private static final int GO_HOME = 1000;    private static final int GO_GUIDE = 1001;    // 延迟3秒    private static final long SPLASH_DELAY_MILLIS = 3000;    private static final String SHAREDPREFERENCES_NAME = "first_pref";    /**     * Handler:跳转到不同界面     */    private Handler mHandler = new Handler() {        @Override        public void handleMessage(Message msg) {            switch (msg.what) {            case GO_HOME:                goHome();                break;            case GO_GUIDE:                goGuide();                break;            }            super.handleMessage(msg);        }    };    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.splash);        init();    }    private void init() {        // 读取SharedPreferences中需要的数据        // 使用SharedPreferences来记录程序的使用次数        SharedPreferences preferences = getSharedPreferences(                SHAREDPREFERENCES_NAME, MODE_PRIVATE);        // 取得相应的值，如果没有该值，说明还未写入，用true作为默认值        isFirstIn = preferences.getBoolean("isFirstIn", true);        // 判断程序与第几次运行，如果是第一次运行则跳转到引导界面，否则跳转到主界面        if (!isFirstIn) {            // 使用Handler的postDelayed方法，3秒后执行跳转到MainActivity            mHandler.sendEmptyMessageDelayed(GO_HOME, SPLASH_DELAY_MILLIS);        } else {            mHandler.sendEmptyMessageDelayed(GO_GUIDE, SPLASH_DELAY_MILLIS);        }    }    private void goHome() {        Intent intent = new Intent(SplashActivity.this, MainActivity.class);        SplashActivity.this.startActivity(intent);        SplashActivity.this.finish();    }    private void goGuide() {        Intent intent = new Intent(SplashActivity.this, GuideActivity.class);        SplashActivity.this.startActivity(intent);        SplashActivity.this.finish();    }}

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