Random, sequential, and inverted loading of a WebView group of Android devices

Random, sequential, and inverted loading of a WebView group of Android devices

An application is written to implement the order, reverse order, and random loading of a set of webviews. When latency is used, why? See:

Package com. zms. csdngo; import android. content. context; import android. content. intent; import android.net. connectivityManager; import android.net. networkInfo; import android.net. wifi. wifiManager; import android. OS. handler; import android. OS. message; import android. OS. powerManager; import android. support. v7.app. actionBarActivity; import android. OS. bundle; import android. util. log; import android. view. menu; import Android. view. menuItem; import android. view. view; import android. view. window; import android. webkit. webView; import android. webkit. webViewClient; import android. widget. button; import android. widget. editText; import android. widget. textView; import android. widget. toast; import java.net. URL; import java.net. URLConnection; import java. util. date; import java. util. random; public class Main extends ActionBarActivity {Private String urlIndex = "http://blog.csdn.net/zhoumushui/article/details/"; private WebView mWebView; private String webPath; private int count = 0; // The currently loaded page ID private int reverseCount = 0; private int realCount = 0; // Number of loaded pages private int limitCount = 0; // The maximum number of loaded pages. When this value is reached, the application exits; if the value is 0, private Boolean isLimit = false is not restricted; private TextView tvState = null; private TextView mTimeHint = null; private T ExtView mTimeCount = null; private TextView tvWebHour = null; private TextView tvLimit = null; private EditText etLimit = null; private int loadMode = 3; // 1-sequential loading; 2-reverse loading; 3-Random Loading of private Button btnShowHide; private Button btnChangeMode; private static PowerManager. wakeLock wakeLock; private int timeSec = 0; // number of seconds. use private int webHour = 8 for timing; @ Override protected void onCreate (Bundle savedInstanceSta Te) {requestWindowFeature (Window. FEATURE_NO_TITLE); super. onCreate (savedInstanceState); setContentView (R. layout. main); mWebView = (WebView) findViewById (R. id. mWebView); tvState = (TextView) findViewById (R. id. tvState); mTimeHint = (TextView) findViewById (R. id. mTimeHint); mTimeCount = (TextView) findViewById (R. id. mTimeCount); tvWebHour = (TextView) findViewById (R. id. tvWebHour); tvLimit = (TextView) FindViewById (R. id. tvLimit); etLimit = (EditText) findViewById (R. id. etLimit); btnShowHide = (Button) findViewById (R. id. btnShowHide); btnChangeMode = (Button) findViewById (R. id. btnChangeMode); initModeBtn (); initUrl (); count = 0; reverseCount = urlArray. length-1; setLimit (tvState); // setMode (mTextView); new Thread (new TimeThread ()). start (); // timer Thread new Thread (new loadThread ()). start (); // load Thread} Final Handler timeHandler = new Handler () {public void handleMessage (Message msg) {switch (msg. what) {case 1: timeSec ++; String strTime = ""; if (timeSec <60) {// strTime = timeSec + "seconds" under 1 minute ";} else if (timeSec <3600) {// int minutes = timeSec/60; int second = timeSec % 60; strTime = minutes + "min" + second + "Sec";} else {int hours = timeSec/3600; int minutes = (timeSec-ho Urs * 3600)/60; int second = timeSec % 60; strTime = hours + "Hour" + minutes + "Minute" + second + "second";} mTimeCount. setText ("Running Duration:" + strTime); tvWebHour. setText ("device time" + getTime (1) + "Hour" + getTime (2) + "Minute" + getTime (3) + "second");} super. handleMessage (msg) ;}}; public class TimeThread implements Runnable {@ Override public void run () {while (true) {try {Thread. sleep (1000); Message message = new Message (); m Essage. what = 1; timeHandler. sendMessage (message);} catch (Exception e) {e. printStackTrace () ;}}} public void connectWifi () {WifiManager wifiManager = (WifiManager) this. getSystemService (Context. WIFI_SERVICE); if (! WifiManager. isWifiEnabled () {wifiManager. setWifiEnabled (true) ;}} final Handler loadHandler = new Handler () {public void handleMessage (Message msg) {switch (msg. what) {case 1: if (loadMode = 1) {// load if (count <urlArray. length) {webPath = urlIndex + urlArray [count ++];} else {count = 0; webPath = urlIndex + urlArray [count ++];} else if (loadMode = 2) {// load if (count> = urlArray in reverse order. Length) {count = 0;} reverseCount = urlArray. length-1-(count ++); webPath = urlIndex + urlArray [reverseCount];} else {// default: Random Loading count = new Random (). nextInt (urlArray. length); // 0 to (urlArray. length-1) if (getTime (3) % 5 = 0) {// if the remainder of the current number of seconds is 0 for 5, load the last five count = (urlArray. length-5) + new Random (). nextInt (5); // 0 to 4, plus} webPath = urlIndex + urlArray [count];} keepScreenOn (Main. this, true); l OadBlog (webPath); break; case 2: tvState. setText ("Network Error"); keepScreenOn (Main. this, false);/* try {Thread. sleep (3000);} catch (InterruptedException e) {e. printStackTrace ();} connectWifi (); */break;} super. handleMessage (msg) ;}}; public class loadThread implements Runnable {@ Override public void run () {while (true) {if (isNetworkConnected (Main. this) {try {webHour = getTime (1 ); If (webHour <0 | webHour> 24) {webHour = 8;} if (webHour> = 23 | webHour <7) {// [) AND) int randomId = 1 + new Random (). nextInt (3); // 1-3 mTimeHint. setText ("latency" + randomId + "Minute"); Thread. sleep (randomId * 60000);} else if (webHour> = 8 & webHour <= 12) | (webHour> = 14 & webHour <= 18 )) {int randomId = 1 + new Random (). nextInt (3); // 1-3 mTimeHint. setText ("latency" + randomId + "Seconds"); Thread. sleep (randomId * 1000);} else {int randomId = 1 + new Random (). nextInt (3); // 1-3 mTimeHint. setText ("latency" + (2 * randomId) + "second"); Thread. sleep (randmid * 2000);} Message message = new Message (); message. what = 1; loadHandler. sendMessage (message);} catch (Exception e) {e. printStackTrace () ;}} else {Message message = new Message (); message. what = 2; loadHandler. sendMessage (messag E) ;}}} public int getTime (int type) {Date date = new Date (); if (type = 1) {return date. getHours ();} else if (type = 2) {return date. getMinutes ();} else if (type = 3) {return date. getSeconds () ;}else {return 0 ;}} private void loadBlog (String path) {mWebView. loadUrl (path); mWebView. setWebViewClient (new WebViewClient () {@ Override public boolean shouldOverrideUrlLoading (WebView vi Ew, String url) {// return super. shouldOverrideUrlLoading (view, url); view. loadUrl (url); return true ;}@ Override public void onPageFinished (WebView view, String url) {// captures the URL's eight-bit ID String subString = url. toString (). substring (url. toString (). length ()-8, url. toString (). length (); super. onPageFinished (view, url); if (! SubString. equals (urlArray [urlArray. length-1]) {// whether the last element of the array is realCount ++; if (loadMode = 2) {tvState. setText ("page" + (reverseCount + 1) + "/" + urlArray. length + "--" + subString + "loaded successfully." + realCount + "page");} else {tvState. setText ("page" + count + "/" + urlArray. length + "--" + subString + "loaded," + realCount + "page");} if (isLimit & (realCount> = limitCount )) {ExitApp (tvState) ;}} Else {realCount ++; if (loadMode = 2) {tvState. setText ("page" + (reverseCount + 1) + "/" + urlArray. length + "--" + subString + "loaded successfully." + realCount + "page");} else {tvState. setText ("page" + count + "/" + urlArray. length + "--" + subString + "loaded, total loaded" + realCount + "page") ;}}@ Override public void onReceivedError (WebView view, int errorCode, string description, String failingUrl ){ Super. onReceivedError (view, errorCode, description, failingUrl); Log. e ("CSDN", "" + errorCode + description); tvState. setText ("loading failed. Please try again later. ") ;}}) ;}public void initModeBtn () {// initial Mode Button Text if (loadMode = 1) {btnChangeMode. setText ("ordered mode");} else if (loadMode = 2) {btnChangeMode. setText ("reverse mode");} else if (loadMode = 3) {btnChangeMode. setText ("random mode") ;}} public void ExitApp (View view) {keepScreenOn (Main. this, false); Intent intent = new Intent (Intent. ACTION_MAIN); intent. addCategory (Intent. CATEGORY_HOME); intent. setFlags (Intent. FLAG_ACTIVITY_CLEAR_TOP); startActivity (intent); android. OS. process. killProcess (android. OS. process. myPid ();} public void showHide (View view) {if (mWebView. getVisibility () = View. GONE) {mWebView. setVisibility (View. VISIBLE); btnShowHide. s EtText ("hidden");} else if (mWebView. getVisibility () = View. VISIBLE) {mWebView. setVisibility (View. GONE); btnShowHide. setText ("show") ;}} public void setLimit (View view) {if (etLimit. getText (). toString ()! = Null & etLimit. getText (). toString (). trim (). length ()> 0) {limitCount = Integer. parseInt (etLimit. getText (). toString ();} if (limitCount <0) {limitCount = 0;} if (limitCount = 0) {isLimit = false; tvLimit. setText ("restriction rules: unlimited");} else if (limitCount> 0) {isLimit = true; tvLimit. setText ("restriction rule: loading" + limitCount + "Page and exit") ;}} public void changeMode (View view) {if (loadMode = 1) {loadMode = 2; btnChangeMode. setText ("reverse mode");} else if (loadMode = 2) {loadMode = 3; btnChangeMode. setText ("random mode");} else if (loadMode = 3) {loadMode = 1; btnChangeMode. setText ("ordered mode") ;}// network status public boolean isNetworkConnected (Context context) {if (context! = Null) {ConnectivityManager mConnectivityManager = (ConnectivityManager) context. getSystemService (Context. CONNECTIVITY_SERVICE); NetworkInfo mNetworkInfo = mConnectivityManager. getActiveNetworkInfo (); if (mNetworkInfo! = Null) {return mNetworkInfo. isAvailable () ;}} return false;} public static void keepScreenOn (Context context, boolean on) {if (wakeLock = null) {PowerManager pm = (PowerManager) context. getSystemService (Context. POWER_SERVICE); wakeLock = pm. newWakeLock (PowerManager. SCREEN_BRIGHT_WAKE_LOCK | PowerManager. ON_AFTER_RELEASE, "= KeepScreenOn ="); wakeLock. acquire ();} else {Log. e ("ZMS", "WakeLock Already On") ;}} else {if (wakeLock! = Null) {wakeLock. release (); wakeLock = null ;}} public String [] urlArray = new String [82]; // ###### Modify Me ######// ##### Modify Me ##### public void initUrl () {urlArray [81] = "42245481"; // urlArray [80] = "42192861"; // urlArray [79] = "42149731 "; // urlArray [78] = "42127681"; // urlArray [77] = "42110329"; // urlArray [76] = "42085939 "; // urlArray [75] = "42042547"; // urlArray [74] = "42023747"; // urlArray [73] = "42001049 "; // urlArray [72] = "41982749"; // urlArray [71] = "41964147"; // urlArray [70] = "41909621 "; // urlArray [69] = "41898205"; // urlArray [68] = "41852845"; // urlArray [67] = "41807913 "; // urlArray [66] = "41787113"; // urlArray [65] = "41773471"; urlArray [64] = "41751259 "; urlArray [63] = "41674841"; urlArray [62] = "41651909"; urlArray [61] = "41623903"; urlArray [60] = "41593769 "; urlArray [59] = "41577725"; urlArray [58] = "41559167"; urlArray [57] = "41515985"; urlArray [56] = "41493939 "; urlArray [55] = "41452531"; urlArray [54] = "41444931"; urlArray [53] = "41378661"; urlArray [52] = "41310305 "; urlArray [51] = "41276657"; urlArray [50] = "41039497"; urlArray [49] = "41006711"; urlArray [48] = "41006711 "; urlArray [47] = "40897455"; urlArray [46] = "40865095"; urlArray [45] = "40817269"; urlArray [44] = "40779347 "; urlArray [43] = "40737065"; urlArray [42] = "40677441"; urlArray [41] = "40648971"; urlArray [40] = "40614011 "; urlArray [39] = "40580995"; urlArray [38] = "40544365"; urlArray [37] = "40507193"; urlArray [36] = "40423803 "; urlArray [35] = "40227437"; urlArray [34] = "40160843"; urlArray [33] = "40082987"; urlArray [32] = "40051331 "; urlArray [31] = "40021129"; urlArray [30] = "39997481"; urlArray [29] = "39973739"; urlArray [28] = "39936867 "; urlArray [27] = "39897617"; urlArray [26] = "39862237"; urlArray [25] = "39834141"; urlArray [24] = "39777229 "; urlArray [23] = "39759943"; urlArray [22] = "39741221"; urlArray [21] = "39722311"; urlArray [20] = "39700219 "; urlArray [19] = "39674051"; urlArray [18] = "39645901"; urlArray [17] = "39618057"; urlArray [16] = "39585513 "; urlArray [15] = "39558107"; urlArray [14] = "39527977"; urlArray [13] = "39502685"; urlArray [12] = "39480497 "; urlArray [11] = "39454145"; urlArray [10] = "39454145"; urlArray [9] = "39434451"; urlArray [8] = "39401061 "; urlArray [7] = "39377419"; urlArray [6] = "39346957"; urlArray [5] = "39323633"; urlArray [4] = "39296439 "; urlArray [3] = "39274019"; urlArray [2] = "39257041"; urlArray [1] = "39234287"; urlArray [0] = "39210795 ";} @ Override public boolean onCreateOptionsMenu (Menu menu) {// Inflate the menu; this adds items to the action bar if it is present. getMenuInflater (). inflate (R. menu. main, menu); return true ;}@ Override public boolean onOptionsItemSelected (MenuItem item) {// Handle action bar item clicks here. the action bar will // automatically handle clicks on the Home/Up button, so long // as you specify a parent activity in AndroidManifest. xml. int id = item. getItemId (); // noinspection SimplifiableIfStatement if (id = R. id. action_settings) {// ToDo: Setting Menu Toast. makeText (Main. this, "ToDo", Toast. LENGTH_SHORT ). show (); return true;} else if (id = R. id. action_exit) {ExitApp (tvState);} return super. onOptionsItemSelected (item) ;}@ Override protected void onDestroy () {super. onDestroy (); keepScreenOn (Main. this, false) ;}@ Override protected void onResume () {// ToDo: Keep Screen Always On When Running super. onResume ();}}