鏂囩珷閮戒负鍘熷垱锛岃浆杞借娉ㄦ槑鍑哄锛屾湭缁忓厑璁歌€岀洍鐢ㄨ€呰拷绌舵硶寰嬭矗浠汇€偮?/strong>
寰堜箙涔嬪墠鍐欑殑浜嗭紝鐣欑潃鏈夌偣娴垂锛屽叡浜箣锛堟枃绔犳病鏈夊畬鍏ㄥ啓瀹岋級銆偮?/strong>
缂栧啓鑰咃細鏉庢枃鏍嬄?/strong>
绗?绔?绯荤粺杩涚▼鐨刉atchdog 3.1 Watchdog绠€浠?/strong>聽 聽 聽 聽 瀵逛簬鍍忕瑪鑰呰繖鏍锋病鐜╄繃纭欢鐨勭函杞▼搴忓憳鏉ヨ锛岀涓€娆$湅鍒拌繖涓浼欑殑鏃跺€欑湡蹇冧竴澶撮浘姘达紝鍙槸瑙夊緱杩欎釜鍚嶅瓧寰堟湁鎰忔€濄€備竴鐣皟鏌ュ悗鍙戠幇锛學atchdog鏈哄埗鏈€鏃╂潵婧愪簬纭欢锛屽湪璁$畻鏈虹郴缁熶腑锛屽崟鐗囨満鐨勫伐浣滃鏄撳彈鍒版潵鑷鐣岀數纾佸満鐨勫共鎵帮紝鑰岄櫡鍏ユ寰幆锛岀郴缁熸棤娉曠户缁伐浣滐紝涓轰簡瑙e喅杩欎釜闂锛屼究浜х敓浜嗕竴绉嶄笓闂ㄧ敤浜庣洃娴嬪崟鐗囨満绋嬪簭杩愯鐘舵€佺殑鑺墖锛屼織绉?鐪嬮棬鐙?(Watchdog)銆?/p>
聽
聽 聽 聽 聽 鈥滅湅闂ㄧ嫍鈥濇湰韬槸涓€涓畾鏃跺櫒鐢佃矾锛屽唴閮ㄤ細涓嶆柇鐨勮繘琛岃鏃讹紙鎴栬鏁帮級鎿嶄綔銆傝绠楁満绯荤粺鍜屸€滅湅闂ㄧ嫍鈥濇湁涓や釜寮曡剼鐩歌繛鎺ワ紝姝e父杩愯鏃舵瘡闅斾竴娈垫椂闂村氨浼氶€氳繃鍏朵腑涓€涓紩鑴氬悜鈥滅湅闂ㄧ嫍鈥濆彂閫佷俊鍙凤紝鈥滅湅闂ㄧ嫍鈥濇帴鏀跺埌淇″彿鍚庝細灏嗚鏃跺櫒娓呴浂骞堕噸鏂板紑濮嬭鏃躲€傝€屼竴鏃︾郴缁熷嚭鐜伴棶棰橈紝杩涘叆姝诲惊鐜垨浠讳綍闃诲鐘舵€侊紝涓嶈兘鍙婃椂鍙戦€佷俊鍙疯鈥滅湅闂ㄧ嫍鈥濈殑璁℃椂鍣ㄦ竻闆讹紝褰撹鏃剁粨鏉熸椂锛屸€滅湅闂ㄧ嫍鈥濆氨浼氶€氳繃鍙︿竴涓紩鑴氬悜绯荤粺鍙戦€佲€滃浣嶄俊鍙封€濓紝璁╃郴缁熼噸鍚€?/p>
聽 聽 聽 聽杩欐牱鐪嬫潵锛屽悜鈥滅湅闂ㄧ嫍鈥濆彂閫佷俊鍙峰氨鍍忔槸鈥滃杺鐙椻€濓紝璁℃椂鍣ㄥ氨鏄€滅湅闂ㄧ嫍鈥濈殑鑳冿紝褰撹鏃剁粨鏉燂紝鐙楅タ浜嗭紝灏变竴鍙f妸绯荤粺鍜锛岃瀹冮噸鐢熴€?/p>
聽 聽 聽 聽聽杞欢涓婄殑鐪嬮棬鐙楁妧鏈殑鎬濇兂鍜屽奖鍝嶇被浼硷紝渚嬪Linux鑷甫鐨刉atchdog銆備笅闈㈡垜浠潵鐪嬬湅Android绯荤粺杩涚▼鐨勮繖鏉″皬鐙楀惂銆?/p>
3.2 绯荤粺杩涚▼鐨刉atchdog聽 聽 聽 聽聽Android绯荤粺杩涚▼涓殑Watchdog锛堜互涓嬬畝绉癢D锛夎嚜鐒舵槸鐢ㄦ潵鐩戞祴绯荤粺杩涚▼鐨勶紝瀹冨拰纭欢涓婄殑WD鏈変粈涔堝尯鍒憿锛熺郴缁熻繘绋嬩腑缁存姢鐫€澶ч噺鐨勬湇鍔″璞★紝鍏朵腑鏈変竴浜涢潪甯搁噸瑕佺殑瀵硅薄锛屼緥濡侫ctivityManagerService锛?WindowManagerService绛夛紝杩欎簺鏈嶅姟瀵硅薄鑳藉琚甯歌闂绯荤粺鐨勮繍琛屾潵璇磋嚦鍏抽噸瑕侊紝鏆備笖绉板畠浠负鍏抽敭瀵硅薄銆傝繖浜涘叧閿璞″彲鑳藉悓鏃朵細琚涓嚎绋嬩娇鐢紝鎵€浠ラ渶瑕佸湪鎿嶄綔杩欎簺瀵硅薄鐨勫湴鏂逛娇鐢ㄥ悓姝ラ攣灏嗗畠浠繚鎶よ捣鏉ワ紝纭繚瀵硅薄鐘舵€佺殑涓€鑷存€с€備絾鏄鏋滄煇涓嚎绋嬮攣浣忓叧閿璞″悗闀挎椂闂存病鏈夐噴鏀鹃攣锛屽叾浠栫嚎绋嬫棤娉曚娇鐢ㄥ璞″畬鎴愬悗缁殑浠诲姟锛岄偅涔堢郴缁熷氨浼氬浜庡仠婊炵姸鎬佹棤娉曡繍琛岋紝姝ゆ椂灏遍渶瑕佽绯荤粺閲嶅惎浠ユ仮澶嶅埌涓€涓甯哥殑杩愯鐘舵€併€傛娴嬭繖浜涘叧閿湇鍔″璞℃槸鍚﹁閿佷綇锛屽拰閲嶅惎绯荤粺鐨勬搷浣滃氨鏄敱WD瀹屾垚鐨勩€?/p>
聽 聽 聽 聽聽WD鏄浣曞畬鎴愯繖椤圭鍦g殑浣垮懡鐨勫憿锛熸垜浠厛鏉ヤ簡瑙d竴涓媁D鐨勫垱寤哄拰鍚姩锛屽啀鏉ュ墫鏋愬畠鐨勭粨鏋勫拰娴佺▼銆?/p>
3.2.1 Watchdog鍒濆鍖栧拰鍚姩聽 聽 聽 聽聽WD瀵硅薄鏄竴涓崟渚嬶紝鏄湪绯荤粺鍚姩杩囩▼涓殑ServerThread绾跨▼涓椂鍒涘缓鐨勩€?/p>
ServerThread.java 鈫?run()
Slog.i(TAG, "Init Watchdog");
Watchdog.getInstance().init(context, battery, power, alarm,
ActivityManagerService.self());
聽 聽 聽 聽聽闇€瑕佹敞鎰忕殑鏄疻D鐨勬瀯閫犳柟娉曪紝鍏跺唴閮ㄥ垱寤轰簡涓€涓狧eartbeatHandler绫诲瀷鐨勫璞★紝鍚庨潰浼氳缁嗕粙缁嶅畠锛屼笉杩囧彲浠ヨ偗瀹氱殑鏄紝杩欎釜Handler瀹炰緥缁戝畾浜哠erverThread绾跨▼鐨凩ooper銆?/p>
Watchdog.java 鈫?Watchdog()
private Watchdog() {
聽 聽 聽 聽聽super("watchdog");
聽 聽 聽 聽聽mHandler = new HeartbeatHandler();
}
聽 聽 聽 聽聽鍐嶇湅涓€涓媔nit鏂规硶鍏蜂綋鍋氫簡浠€涔堛€?/p>
Watchdog.java 鈫?init()
publicvoid init(Context context, BatteryService battery,
聽 聽 聽 聽聽PowerManagerService power, AlarmManagerService alarm,
聽 聽 聽 聽聽ActivityManagerService activity) {
聽 聽 聽 聽聽//淇濆瓨浜嗗嚑涓鐢ㄥ埌鐨勬湇鍔″璞?/p>
聽 聽 聽 聽聽mResolver = context.getContentResolver();
聽 聽 聽 聽聽mBattery = battery;
聽 聽 聽 聽聽mPower = power;
聽 聽 聽 聽聽mAlarm = alarm;
聽 聽 聽 聽聽mActivity = activity;
聽
聽 聽 聽 聽聽//娉ㄥ唽涓や釜BroadcastReceiver锛屾潵鎺ユ敹閲嶅惎鐨勬秷鎭?/p>
聽 聽 聽 聽聽context.registerReceiver(new RebootReceiver(),
聽 聽 聽 聽聽new IntentFilter(REBOOT_ACTION));
聽 聽 聽 聽聽mRebootIntent = PendingIntent.getBroadcast(context,
聽 聽 聽 聽聽聽 聽 聽 聽聽0, new Intent(REBOOT_ACTION), 0);
聽
聽 聽 聽 聽聽context.registerReceiver(new RebootRequestReceiver(),
聽 聽 聽 聽聽new IntentFilter(Intent.ACTION_REBOOT),
聽 聽 聽 聽聽聽 聽 聽 聽聽android.Manifest.permission.REBOOT, null);
聽
聽 聽 聽 聽聽mBootTime = System.currentTimeMillis(); //璁板綍鍚姩鏃堕棿
}
聽 聽 聽 聽聽init鏂规硶寰堢畝鍗曪紝娑夊強鐨勫唴瀹瑰悗闈細鍋氫粙缁嶃€?/p>
聽 聽 聽 聽聽瀹屾垚鍒濆鍖栧悗锛學D杩樻病鏈夊惎鍔ㄨ繍琛屻€傜湅涓€涓媁D鐨勭被澹版槑鍙互鐭ラ亾锛屽畠鏄疶hread绫荤殑瀛愮被锛屽彲浠ユ兂鍒癢D鏄湪鑷繁鐨勭嚎绋嬩腑瀹炵幇鈥滃畾鏃跺櫒鈥濈殑鍔熻兘鐨勶紝杩欏緢鍚堢悊锛岃瀹炵幇绫讳技浜庣嫭绔嬬‖浠跺畬鎴愮殑璁℃椂宸ヤ綔锛岀敤鐙珛绾跨▼瀹屾垚瀵规墍鍦ㄨ繘绋嬬殑鐩戞帶鏄啀濂戒笉杩囩殑銆傚惎鍔╓D绾跨▼鏄湪ServerThread绾跨▼鐨勬渶鍚庨樁娈靛畬鎴愮殑銆?/p>
ActivityManagerService.self().systemReady(new Runnable() {
聽 聽 聽 聽聽publicvoid run() {
聽 聽 聽 聽聽... ...
聽 聽 聽 聽聽Watchdog.getInstance().start();
聽 聽 聽 聽聽... ...
聽 聽 聽 聽聽}
);
3.2.2 Watchdog缁撴瀯鍓栨瀽聽 聽 聽 聽聽涓轰簡鎻忚堪鏂逛究锛屽厛缁欏嚭WD鐨勭被鍥俱€?/p>
聽
聽 聽 聽 聽聽WD鐨勭粨鏋勮繕鏄瘮杈冪畝鍗曠殑锛屼笅闈㈡垜浠垎鍑犱釜閮ㄥ垎鏉ュ垎鏋愩€?/p>
1. Watchdog
聽 聽 聽 聽聽WD鐨勨€滃畾鏃跺櫒鈥濈殑鍔熻兘鏄湪鍗曠嫭鐨勭嚎绋嬩腑瀹屾垚鐨勶紝鎵€浠D鏈韩缁ф壙浜員hread锛屽鍓嶉潰鎵€璇达紝瀹冩槸鍦ˋctivityManagerService鐨剆ystemReady鏂规硶涓惎鍔ㄧ殑銆?/p>
2. HeartbeatHandler
聽 聽 聽 聽聽Android绯荤粺杩涚▼鐨刉D鍜岀‖浠剁殑鈥滅湅闂ㄧ嫍鈥濈殑鎬濇兂鏄竴鑷寸殑锛屼絾鏄疄鐜版柟寮忎笂涓嶅悓銆俉D绾跨▼鍦ㄨ鏃剁殑杩囩▼涓苟涓嶆槸琚姩鐨勭瓑寰呯郴缁熺殑鈥滃杺鐙椻€濅俊鍙凤紝鑰屾槸鍦ㄦ瘡杞鏃剁殑寮€濮嬪悜ServerThread锛堜互涓嬬畝绉癝T锛夌嚎绋嬪彂涓€涓娴嬫秷鎭紝ST鎺ユ敹鍒版秷鎭悗寮€濮嬮亶鍘哅onitor瀵硅薄闆嗗悎锛屽皾璇曡幏鍙栨瘡涓璞$殑閿侊紝杩欎釜娑堟伅妫€娴嬭繃绋嬪氨鏄湪HeartbeatHandler锛堜互涓嬬畝绉扳€淗H鈥濓級涓疄鐜扮殑銆傞渶瑕佹敞鎰忕殑鏄紝HH缁戝畾鐨勬槸ST绾跨▼锛孲T浣滀负绯荤粺杩涚▼鐨勪富绾跨▼鎵ц妫€娴嬫搷浣溿€?/p>
3. Monitor鍜岃鐩戞帶鐨勬湇鍔″璞?/p>
聽 聽 聽 聽聽WD鐩戞帶鐨勬槸绯荤粺杩涚▼涓嚑涓叧閿殑鏈嶅姟瀵硅薄锛屽杩欑被瀵硅薄杩涜鎶借薄瀹氫箟锛屼究鏈変簡Monitor鎺ュ彛锛屽畠鍙湁涓€涓猰onitor鏂规硶銆俉D瀵瑰疄鐜颁簡姝ゆ帴鍙g殑瀵硅薄杩涜鐩戞帶锛屽叾鍐呴儴鏈変竴涓瓨鏀綧onitor瀵硅薄鐨勯泦鍚堬紝浠讳綍瀵硅薄鍙瀹炵幇浜哅onitor鎺ュ彛锛屽苟涓旈€氳繃WD鐨刟ddMonitor鏂规硶娉ㄥ唽杩涢泦鍚堝嵆鍙鐩戞帶銆?/p>
聽 聽 聽 聽聽鍦℅ingerBread涔嬪墠锛岃鐩戞帶鏈嶅姟瀵硅薄鍙?lt;!-- 纭涓€涓嬫槸鍚︽槸浠?.3寮€濮嬬殑 -->鏈堿ctivityManagerService銆乄indowManagerService鍜孭owerManagerService锛屽湪姝や箣鍚庡張澧炲姞浜?涓紝鍒嗗埆鏄疦etworkManagementService銆丮ountService銆丯ativeDaemonConnector鍜孖nputManager銆?/p>
聽 聽 聽 聽聽Monitor鎺ュ彛鐨勫疄鐜版柟娉曞緢绠€鍗曪紝渚嬪AMS鐨勫疄鐜帮細
ActivityManagerService.java 鈫?monitor()
publicvoid monitor() {
聽 聽 聽 聽聽synchronized (this) { }
}
聽 聽 聽 聽聽鍙互鐪嬪埌鎵€璋撶殑鈥滅洃鎺ф湇鍔″璞♀€濓紝璇寸櫧浜嗗氨鏄杩欎簺瀵硅薄杩涜姝婚攣妫€娴嬶紝濡傛灉鑳藉椤哄埄鐨勮幏寰楄鐩戞帶瀵硅薄鐨勯攣鍒欒涓虹郴缁熻繍琛屾甯革紝濡傛灉闀挎椂闂存病鏈夎幏寰楀垯璁や负绯荤粺澶勪簬鍋滄粸鐘舵€侊紝闇€瑕侀噰鍙栨帾鏂戒簡銆?/p>
4. RebootReceiver鍜孯ebootRequestReceiver
聽
聽 聽 聽 聽聽WD鐨勫伐浣滄祦绋嬩富瑕佸氨鏄疻D绾跨▼鍜孒H绾跨▼涔嬮棿鐨勪氦浜掞紝鍏堜粠WD鐨剅un鏂规硶鐪嬭捣銆?/p>
Watchdog.java 鈫?run()
publicvoid run() {
聽 聽 聽 聽聽boolean waitedHalf = false;//鉃€璁板綍鏄惁宸茬粡绛夊緟浜嗕竴鍗?/p>
聽 聽 聽 聽聽while (true) {
聽 聽 聽 聽聽mCompleted = false;//鐢ㄤ竴涓竷灏斿彉閲忔爣璁版槸鍚﹀畬鎴愭閿佹娴?/p>
聽 聽 聽 聽聽//鉃佸悜HH鍙戦€佹娴嬩俊鍙凤紝瀹冩槸鍦⊿T绾跨▼涓墽琛岀殑
聽 聽 聽 聽聽mHandler.sendEmptyMessage(MONITOR);
聽
聽 聽 聽 聽聽synchronized (this) {
聽 聽 聽 聽聽//鍙戦€佹娴嬩俊鍙峰悗浼氱瓑寰呮娴嬫搷浣滃畬鎴愶紝绛夊緟鏃堕棿鍦ㄦ甯歌繍琛岀殑鎯呭喌涓嬫槸30绉?/p>
聽 聽 聽 聽聽long timeout = TIME_TO_WAIT;
聽 聽 聽 聽聽long start = SystemClock.uptimeMillis();
聽 聽 聽 聽聽while (timeout > 0 && !mForceKillSystem) {
聽 聽 聽 聽聽try {
聽 聽 聽 聽聽 聽 聽 聽聽聽wait(timeout);
聽 聽 聽 聽聽聽 聽 聽 聽聽... ...
聽 聽 聽 聽聽}
.聽 聽 聽 聽聽.. ...
聽 聽 聽 聽聽閫氳繃浠ヤ笂浠g爜鍙互鐭ラ亾锛岀洃鎺ц繃绋嬪氨鏄竴涓寰幆锛屾瘡娆″惊鐜兘浼氬仛涓€杞閿佹娴嬨€傛湁涓や釜闇€瑕佹敞鎰忕殑鐐癸紝璇存槑濡備笅锛?/p>
鉃€聽WD鐨勮繖涓€滃畾鏃跺櫒鈥濇瘡杞娴嬬殑瓒呮椂鏃堕棿鏄?0绉掞紝浣嗘槸30绉掕秴鏃跺悗WD骞朵笉浼氶┈涓婇噸鍚郴缁燂紝鑰屾槸灏唚aitedHalf璁剧疆涓簍rue锛岃涓哄彧鏄瓑寰呬簡涓€鍗婄殑鏃堕棿锛屼篃灏辨槸璇碬D鎯冲缁欓偅涓閿佷綇鐨勫璞′竴娆℃満浼氾紝鍋氫袱杞娴嬶紝濡傛灉浠嶇劧瓒呮椂鍐嶆潃涔熶笉鏅氥€俉D杩樻槸寰堟湁浜烘儏鍛崇殑锛屽悗闈細鐪嬪埌waitedHalf浣曟椂琚缃负true鐨勩€?/p>
鉃伮犳瘡杞殑妫€娴嬫搷浣滀笉鏄敱WD绾跨▼鑷繁瀹屾垚鐨勶紝鑰屾槸鍙戦€佷竴涓秷鎭粰HH锛岀敱HH鎵€缁戝畾鐨凷T绾跨▼瀹屾垚銆傚畠鏄€庝箞鍋氱殑鍛紵鎺ヤ笅鏉ヨ浆鍒癏H涓€鎺㈢┒绔熴€?/p>
finalclass HeartbeatHandler extends Handler {
聽 聽 聽 聽聽... ...
聽 聽 聽 聽聽caseMONITOR: {
聽 聽 聽 聽聽... ...
聽 聽 聽 聽聽finalint size = mMonitors.size();
聽 聽 聽 聽聽for (int i = 0 ; i < size ; i++) {
聽 聽 聽 聽聽 聽 聽 聽聽聽//璁板綍涓嬪綋鍓嶆鍦ㄨ妫€娴嬬殑Monitor瀵硅薄锛岃繖寰堥噸瑕?/p>
聽 聽 聽 聽聽聽 聽 聽 聽聽mCurrentMonitor = mMonitors.get(i);
聽 聽 聽 聽聽聽 聽 聽 聽聽mCurrentMonitor.monitor();//妫€娴嬫閿?/p>
聽 聽 聽 聽聽}
聽 聽 聽 聽聽synchronized (Watchdog.this) {
聽 聽 聽 聽聽聽 聽 聽 聽聽mCompleted = true;//鏍囪妫€娴嬪畬鎴愶紝WD绾跨▼浼氱敤姝ゅ垽鏂槸鍚﹀畬鎴?/p>
聽 聽 聽 聽聽聽 聽 聽 聽聽mCurrentMonitor = null;
聽 聽 聽 聽聽... ...
聽 聽 聽 聽聽閫昏緫寰堢畝鍗曪紝涓嶅瑙i噴锛屽彧鏄鐣欐剰HH鍋氬畬姝婚攣妫€娴嬪悗娌℃湁鐢╪otifyAll鍞ら啋WD绾跨▼锛屾墍浠ユ甯告儏鍐典笅WD绾跨▼浼氬湪瓒呮椂鍚庡啀缁х画涓嬩竴杞娴嬨€侶H姣旇緝浼氬伔鎳掋€?/p>
鎺ヤ笅鏉ュ張鍥炲埌WD绾跨▼銆?/p>
聽 聽 聽 聽聽... ... //WD绾跨▼缁撴潫wait绛夊緟
聽 聽 聽 聽聽if (mCompleted && !mForceKillSystem) {
聽 聽 聽 聽聽聽 聽 聽 聽聽//濡傛灉妫€娴嬫垚鍔燂紝鍒欓噸缃畐aitedHalf鏍囪锛岀户缁笅涓€杞娴?/p>
聽 聽 聽 聽聽聽 聽 聽 聽聽waitedHalf = false;
聽 聽 聽 聽聽聽 聽 聽 聽聽continue;
聽 聽 聽 聽聽}
聽
聽 聽 聽 聽聽if (!waitedHalf) {
聽 聽 聽 聽聽聽 聽 聽 聽聽//鎵ц鍒拌繖閲岋紝璇存槑妫€娴嬭繃绋嬮樆濉炰簡锛屾病鏈夊畬鎴愶紝骞朵笖waitedHalf涓篺alse锛岃鏄?/p>
聽 聽 聽 聽聽 聽 聽 聽聽聽//杩欐槸姝婚攣妫€娴嬪け璐ョ殑绗竴杞娴嬨€傞€氳繃AMS灏嗙郴缁熻繘绋嬩腑鍚勪釜绾跨▼鐨勫嚱鏁拌皟鐢ㄦ爤
聽 聽 聽 聽聽聽 聽 聽 聽聽//杈撳嚭鍒?data/anr/traces.txt鏂囦欢涓紝鍚屾椂涔熶細杈撳嚭鍑犱釜閲嶈鐨刵ative杩涚▼鐨?/p>
聽 聽 聽 聽聽聽 聽 聽 聽聽//backtrace锛屼互渚挎彁渚涙洿澶氫俊鎭潵瀹氫綅闂锛屽洜涓篔ava灞傜殑闃诲寰堟湁鍙兘鏄痭ative
聽 聽 聽聽聽 聽 聽 聽聽聽聽//灞傜殑闃诲閫犳垚鐨勩€?/p>
聽 聽 聽 聽聽聽 聽 聽 聽聽ArrayList<Integer> pids = new ArrayList<Integer>();
聽 聽 聽 聽聽聽 聽 聽 聽聽pids.add(Process.myPid());
聽 聽 聽 聽聽聽 聽 聽 聽聽ActivityManagerService.dumpStackTraces(true, pids, null, null,
聽 聽 聽 聽聽聽 聽 聽 聽聽聽 聽 聽 聽聽NATIVE_STACKS_OF_INTEREST);
聽 聽 聽 聽聽聽 聽 聽 聽聽waitedHalf = true;//璁剧疆涓簍rue锛岃鏄嶹D绾跨▼绛変簡涓€杞簡
聽 聽 聽 聽聽聽 聽 聽 聽聽continue;//鍐嶆潵涓€杞紝缁欎釜鏈轰細
聽 聽 聽 聽聽}
聽 聽 聽 聽聽濡傛灉鎺ヤ笅鏉ョ殑绗簩杞閿佹娴嬩粛鐒跺け璐ワ紝鍒欎笂杩扮殑浠g爜灏变笉浼氭墽琛岋紝缁х画寰€涓嬭蛋銆?/p>
聽 聽 聽 聽聽//姝ゅ悗渚挎槸涓轰簡鑳藉鏂逛究鍒嗘瀽姝婚攣鍘熷洜锛岃€岃緭鍑虹殑鍚勭绫诲瀷鐨勬棩蹇椾俊鎭?/p>
聽 聽 聽 聽聽final String name = (mCurrentMonitor != null) ?
聽 聽 聽 聽聽mCurrentMonitor.getClass().getName() : "null";
聽 聽 聽 聽聽//鉃€璁板綍姝e湪鎵ц姝婚攣妫€娴嬬殑瀵硅薄
聽 聽 聽 聽聽EventLog.writeEvent(EventLogTags.WATCHDOG, name);
聽
聽 聽 聽 聽聽//鉃佸啀娆¤緭鍑虹郴缁熻繘绋嬬殑鍑芥暟鏍堜俊鎭?/p>
聽 聽 聽 聽聽ArrayList<Integer> pids = new ArrayList<Integer>();
聽 聽 聽 聽聽pids.add(Process.myPid());
聽 聽 聽 聽聽//鍚屾椂杈撳嚭com.android.phone杩涚▼鐨勫嚱鏁版爤锛屽洜涓虹數璇濈郴缁熷浜庢墜鏈烘潵璇存槸鏈€閲嶈鐨?/p>
聽 聽 聽 聽聽//妯″潡锛岃嚜鐒惰閲嶇偣瀵瑰緟
聽 聽 聽 聽聽if (mPhonePid > 0) pids.add(mPhonePid);
聽 聽 聽 聽聽final File stack = ActivityManagerService.dumpStackTraces(
聽 聽 聽 聽聽聽 聽 聽 聽聽!waitedHalf, pids, null, null, NATIVE_STACKS_OF_INTEREST);
聽 聽 聽 聽聽... ...
聽
聽 聽 聽 聽聽if (RECORD_KERNEL_THREADS) {
聽 聽 聽 聽聽聽 聽 聽 聽聽dumpKernelStackTraces();//杈撳嚭涓€閮ㄥ垎Kernel鐨勪俊鎭府鍔╁畾浣嶉棶棰?/p>
聽 聽 聽 聽聽}
聽
聽 聽 聽 聽聽... ...
聽 聽 聽 聽聽//鉃傚湪涓€涓瓙绾跨▼涓緭鍑哄埌DropBox涓?/p>
聽 聽 聽 聽聽mActivity.addErrorToDropBox(
聽 聽 聽 聽聽聽 聽 聽 聽聽"watchdog", null, "system_server", null, null,
聽 聽 聽 聽聽聽 聽 聽 聽聽name, null, stack, null);
聽 聽 聽 聽聽... ...
聽
聽 聽 聽 聽聽//濡傛灉璋冭瘯鍣ㄦ病鏈夐摼鎺ュ垯鐩存帴閫€鍑鸿繘绋?/p>
聽 聽 聽 聽聽if (!Debug.isDebuggerConnected()) {
聽 聽 聽 聽聽聽 聽 聽 聽聽Slog.w(TAG, "*** WATCHDOG KILLING SYSTEM PROCESS: " + name);
聽 聽 聽 聽聽聽 聽 聽 聽聽Process.killProcess(Process.myPid());
聽 聽 聽 聽聽聽 聽 聽 聽聽System.exit(10);
聽 聽 聽 聽聽} else {//濡傛灉姝e湪Debug锛岄偅浣犲氨鍙互鏂偣璋冭瘯浜?/p>
聽 聽 聽 聽聽... ...
鏈変笁涓叧閿偣闇€瑕佹敞鎰忥細
鉃€聽璁板綍姝e湪鎵ц姝婚攣妫€娴嬬殑瀵硅薄锛屽鏋渘ame涓衡€漬ull鈥濓紝鍏跺疄灏辩浉褰撲簬ServerThread绾跨▼杩樻病鏈夋墽琛孒H鐨刪andleMessage鏂规硶锛屽氨鍦ㄥ叾浠栧湴鏂归樆濉炰簡銆傛墍浠ヨ鐗瑰埆娉ㄦ剰锛屽鏋滃湪鍒嗘瀽trace淇℃伅鏃跺彂鐜版病鏈夊洜涓鸿妫€娴嬬殑鍏抽敭鏈嶅姟瀵硅薄鑰屽彂鐢熼樆濉烇紝閭d箞灏遍渶瑕佺湅鐪婼erverThread绾跨▼鐨勫嚱鏁拌皟鐢ㄦ爤锛岀‘瀹氱湡姝g殑闃诲鍘熷洜銆?/p>
鉃伮犲湪杩涜绯荤粺閲嶅惎鍓嶄細鍋氫袱杞閿佹娴嬶紝绗竴杞細鏂板缓traces.txt鏂囦欢锛屼絾绗簩杞細鍦ㄥ師鏈夋枃浠剁殑鍩虹涓婄画鍐欙紝鎵€浠ヤ綘浼氬湪trace淇℃伅涓湅鍒颁袱娆$郴缁熻繘绋嬪悇涓嚎绋嬬殑鍑芥暟璋冪敤鏍堜俊鎭€?/p>
鉃偮犲湪涓€涓瓙绾跨▼涓緭鍑哄埌DropBox涓紝鎵€浠ュ鏋滆繖娆′繚瀛樺湪traces.txt涓殑姝婚攣淇℃伅娌℃湁鏉ュ緱鍙婃煡鐪嬪氨琚鐩栦簡锛岄偅涔堝彲浠ュ埌/data/system/dropbox鐩綍涓嬫壘鍒拌繖娆℃棩蹇楃殑澶囦唤銆?/p>
Watchdog鐨勫疄鐜拌鐧戒簡鍏跺疄灏辨槸鍦ㄤ竴涓嚎绋嬩腑寤虹珛娑堟伅寰幆锛岄€氳繃Message鍜屾垚鍛樺彉閲忓湪绾跨▼闂磋繘琛岄€氳锛岃繖鍜孒andler鏈哄埗鐨勬湰璐ㄦ槸涓€鏍风殑銆?/p>
鑷虫锛學D鐨勫伐浣滄祦绋嬩粙缁嶅畬浜嗭紝杩樼畻姣旇緝绠€鍗曪紝鍦ㄦ湰绔犵殑鏈€鍚庨檮涓婁簡WD鐨勬祦绋嬪浘銆傛帴涓嬫潵浼氫粙缁嶄竴浜沇D妫€娴嬪埌姝婚攣鍚庡鑷撮噸鍚殑闂鐨勫垎鏋愭柟娉曪紝瀵逛簬Android绯荤粺宸ョ▼甯堟潵璇达紝澶勭悊杩欑被闂鑲畾鏄甯镐究楗簡銆?/p>
3.3 Watchdog寮曡捣鐨勯噸鍚棶棰樺垎鏋愭柟娉?/span> 聽 3.3.1 琚洃娴嬪璞℃閿?/h5>(寰呯画)
(寰呯画)
Watchdog鐨勬祦绋嬪浘
聽
package p.wy.hc.activity; import java.io.IOException; import java.io.InputStream; import java.net.HttpURLConnection; import java.net.MalformedURLException; import java.net.URL; import java.util.HashMap; import p.wy.hc.bean.SharedPreferencesForLogin; import p.wy.hc.util.JsonUtils; import p.wy.hc.util.UpdateManager; import android.app.Activity; import android.app.AlertDialog; import android.app.ProgressDialog; import android.content.DialogInterface; import android.content.Intent; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.os.Bundle; import android.os.Handler; import android.os.Handler.Callback; import android.os.Looper; import android.os.Message; import android.view.KeyEvent; import android.view.View; import android.view.View.OnClickListener; import android.view.Window; import android.widget.Button; import android.widget.TextView; import cn.sharesdk.framework.AbstractWeibo; import cn.sharesdk.framework.WeiboActionListener; import cn.sharesdk.sina.weibo.SinaWeibo; import cn.sharesdk.tencent.qzone.QZone; /** * @author yangyu * 功能描述:获取用户资料 * * 启动页面时传递一个int类型的字段type,用于标记获取自己的资料(type = 0)还是别人的资料(type = 1)。 * 如果尝试获取别人的资料,示例代码会获取不同平台Share SDK的官方帐号的资料。 * * 如果资料获取成功,会通过{@link ShowInforPage}展示 */ public class MainActivity extends Activity implements Callback, OnClickListener,WeiboActionListener { //定义标题栏布局对象 // private TitleLayout llTitle; private Button sinaBt,qzoneBt,logonBt; private TextView user_phone,user_psw,user_reg; private Handler handler; Message message = null; private static final int DISMISS_PROGRESS_DIALOG = 1; private ProgressDialog progressDialog = null; private Button nextBt; private String userName; private String userPsw; private String flag="false"; //true 为登录成功 private SharedPreferencesForLogin spflusrinfo; private String url; protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); //初始化ShareSDK AbstractWeibo.initSDK(this); requestWindowFeature(Window.FEATURE_NO_TITLE); handler = new Handler(this); setContentView(R.layout.logon_main); // setContentView(R.layout.logonmain); spflusrinfo= new SharedPreferencesForLogin(MainActivity.this,"shared_prefsusrinfo"); //user logon type initView(); initData(); // 检查软件更新 UpdateManager manager = new UpdateManager(MainActivity.this); manager.checkUpdate(); initUser(); } //查看本地是否有用户信息,有的话直接跳转到主页 public void initUser(){ String userinfo=spflusrinfo.getValue("usrinfo"); } /** * 初始化组件 */ private void initView(){ //得到按钮对象 /****** sinaBt = (Button) findViewById(R.id.sina_id); qzoneBt = (Button) findViewById(R.id.qq_id); user_phone=(TextView)findViewById(R.id.user_phone_number); user_psw=(TextView)findViewById(R.id.user_phone_psw); user_reg=(TextView)findViewById(R.id.user_reg); logonBt=(Button)findViewById(R.id.logon_btn); *****/ sinaBt = (Button) findViewById(R.id.sina_logon); qzoneBt = (Button) findViewById(R.id.qq_logon); } /** * 初始化数据 */ private void initData(){ //设置监听 sinaBt.setOnClickListener(this); qzoneBt.setOnClickListener(this); /**** user_phone.setOnClickListener(this); user_reg.setOnClickListener(this); logonBt.setOnClickListener(this); user_phone.setOnFocusChangeListener(new OnFocusChangeListener() { @Override public void onFocusChange(View v, boolean hasFocus) { // TODO Auto-generated method stub user_phone.setBackgroundResource(R.drawable.aabb2); user_psw.setBackgroundResource(R.drawable.m); } }); user_psw.setOnFocusChangeListener(new OnFocusChangeListener() { @Override public void onFocusChange(View v, boolean hasFocus) { // TODO Auto-generated method stub user_psw.setBackgroundResource(R.drawable.aabb1); user_phone.setBackgroundResource(R.drawable.n); user_psw.setText(""); } }); *****/ } /** * 点击按钮获取授权用户的资料 */ @Override public void onClick(View v) { String name = null; switch (v.getId()) { case R.id.sina_logon: name = SinaWeibo.NAME; break; case R.id.qq_logon: name = QZone.NAME; break; /*************** switch (v.getId()) { case R.id.sina_id: name = SinaWeibo.NAME; break; case R.id.qq_id: name = QZone.NAME; break; case R.id.user_phone_number: user_phone.setBackgroundResource(R.drawable.aabb2); user_psw.setBackgroundResource(R.drawable.m); user_phone.setText(""); break; // case R.id.user_phone_psw: // user_psw.setBackgroundResource(R.drawable.aabb1); // user_phone.setBackgroundResource(R.drawable.n); // user_psw.setText(""); // break; case R.id.user_reg: Intent intentreg = new Intent(); intentreg.setClass(MainActivity.this, RegisterInfoActivity.class); startActivity(intentreg); break; case R.id.logon_btn: userName=user_phone.getText().toString(); userPsw=user_psw.getText().toString(); Toast.makeText(MainActivity.this, "登录",Toast.LENGTH_SHORT).show(); /***** new Thread(runnablelogon).start(); if(flag.equals("true")){ //登录成功跳转 Intent intent = new Intent(); intent.setClass(MainActivity.this, HealthCheckActivity.class); intent.putExtra("userName", userName); startActivity(intent); }else{ //登录失败 Toast.makeText(MainActivity.this, "登录失败",Toast.LENGTH_SHORT).show(); } break; *****/ } if (name != null) { AbstractWeibo weibo = AbstractWeibo.getWeibo(this, name); weibo.setWeiboActionListener(this); String account = null; weibo.showUser(account); HealthCheckApplication hca=(HealthCheckApplication)this.getApplication(); hca.weibo=weibo; } } /***** //登录验证 private Runnable runnablelogon = new Runnable() { public void run() { Map<String, String> map = new HashMap<String, String>(); map.put("username", userName); map.put("pwd", userPsw); map.put("dtype", "18"); String result=HttpClientUtil.getResultData(CDefault.LOGON_URL, map); flag=FileUtil.getJSON(result, "authkey"); //true 为登录成功 } }; *****/ public void onComplete(AbstractWeibo weibo, int action,HashMap<String, Object> res) { Message msg = new Message(); msg.arg1 = 1; msg.arg2 = action; msg.obj = weibo; handler.sendMessage(msg); Message msg2 = new Message(); if(weibo.getDb().getWeiboNname().equals("QZone")){ msg2.what = 2; }else if(weibo.getDb().getWeiboNname().equals("SinaWeibo")){ msg2.what = 1; } JsonUtils ju = new JsonUtils(); String json = ju.fromHashMap(res); msg2.obj = ju.format(json); handler.sendMessage(msg2); } public void onError(AbstractWeibo weibo, int action, Throwable t) { t.printStackTrace(); Message msg = new Message(); msg.arg1 = 2; msg.arg2 = action; msg.obj = weibo; handler.sendMessage(msg); } public void onCancel(AbstractWeibo weibo, int action) { Message msg = new Message(); msg.arg1 = 3; msg.arg2 = action; msg.obj = weibo; handler.sendMessage(msg); } /** 处理操作结果 */ public boolean handleMessage(Message msg) { switch(msg.what) { case 1: { try { SharedPreferencesForLogin spflsina = new SharedPreferencesForLogin(this,"shared_prefssina"); String userdata=spflsina.getValue("strsina"); if(userdata!=null){ Intent intent = new Intent(); intent.setClass(MainActivity.this, HealthCheckActivity.class); String[] userInfo=userdata.split(","); intent.putExtra("userName", userInfo[0]); intent.putExtra("userIamage", userInfo[1]); url=userInfo[1]; new ShowImgThread().start(); //intent.putExtra("userIamage", userImg); intent.putExtra("weiboData", "SinaWeibo"); spflusrinfo.putValue("Logon_Sina", "SinaWeibo"); spflusrinfo.putValue("Logon_QQ", null); startActivity(intent); }else{ Intent i = new Intent(this, ShowInforActivity.class); i.putExtra("data", String.valueOf(msg.obj)); i.putExtra("weiboData", "SinaWeibo"); spflusrinfo.putValue("Logon_Sina", "SinaWeibo"); spflusrinfo.putValue("Logon_QQ", null); startActivity(i); } } catch (Exception e) { // TODO: handle exception e.printStackTrace(); } } break; case 2: { try { SharedPreferencesForLogin spflqq = new SharedPreferencesForLogin(this,"shared_prefsqq"); String userdata=spflqq.getValue("strqq"); if(userdata!=null){ System.out.println(userdata); //直接跳转 Intent intent = new Intent(); intent.setClass(MainActivity.this, HealthCheckActivity.class); String[] userInfo=userdata.split(","); intent.putExtra("userName", userInfo[0]); intent.putExtra("userIamage", userInfo[1]); new ShowImgThread().start(); intent.putExtra("weiboData", "QZone"); //intent.putExtra("userIamage", userImg); spflusrinfo.putValue("Logon_Sina", null); spflusrinfo.putValue("Logon_QQ", "QZone"); startActivity(intent); url=userInfo[1]; new ShowImgThread().start(); }else{ Intent i = new Intent(this, ShowInforActivity.class); i.putExtra("data", String.valueOf(msg.obj)); i.putExtra("weiboData", "QZone"); spflusrinfo.putValue("Logon_Sina", null); spflusrinfo.putValue("Logon_QQ", "QZone"); startActivity(i); } } catch (Exception e) { // TODO: handle exception e.printStackTrace(); } } break; default: { AbstractWeibo weibo = (AbstractWeibo) msg.obj; String text = MainActivity.actionToString(msg.arg2); switch (msg.arg1) { case 1: { // 成功 text = weibo.getName() + " completed at " + text; } break; case 2: { // 失败 text = weibo.getName() + " caught error at " + text; } break; case 3: { // 取消 text = weibo.getName() + " canceled at " + text; } break; } //Toast.makeText(this, text, Toast.LENGTH_SHORT).show(); } break; } return false; } /** * 将action转换为String */ public static String actionToString(int action) { switch (action) { case AbstractWeibo.ACTION_AUTHORIZING: return "ACTION_AUTHORIZING"; case AbstractWeibo.ACTION_GETTING_FRIEND_LIST: return "ACTION_GETTING_FRIEND_LIST"; case AbstractWeibo.ACTION_FOLLOWING_USER: return "ACTION_FOLLOWING_USER"; case AbstractWeibo.ACTION_SENDING_DIRECT_MESSAGE: return "ACTION_SENDING_DIRECT_MESSAGE"; case AbstractWeibo.ACTION_TIMELINE: return "ACTION_TIMELINE"; case AbstractWeibo.ACTION_USER_INFOR: return "ACTION_USER_INFOR"; case AbstractWeibo.ACTION_SHARE: return "ACTION_SHARE"; default: { return "UNKNOWN"; } } } /**监听对话框里面的button点击事件*/ DialogInterface.OnClickListener listener = new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { switch (which) { case AlertDialog.BUTTON_POSITIVE:// "确认"按钮退出程序 finish(); //这里处理退出前跳到首个加载界面后执行下面的退出 Intent intent = new Intent(); intent.setClass(MainActivity.this, MainActivity.class); startActivity(intent); // 退出程序 Intent mHomeIntent = new Intent( Intent.ACTION_MAIN); mHomeIntent.addCategory(Intent.CATEGORY_HOME); mHomeIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); startActivity(mHomeIntent); // 第二次关闭 android.os.Process .killProcess(android.os.Process.myPid()); break; case AlertDialog.BUTTON_NEGATIVE:// "取消"第二个按钮取消对话框 break; default: break; } } }; @Override public boolean onKeyDown(int keyCode, KeyEvent event) { if (keyCode == KeyEvent.KEYCODE_BACK ) { // 创建退出对话框 AlertDialog isExit = new AlertDialog.Builder(this).create(); // 设置对话框标题 isExit.setTitle("系统提示"); // 设置对话框消息 isExit.setMessage("确定要退出吗"); // 添加选择按钮并注册监听 isExit.setButton("确定", listener); isExit.setButton2("取消", listener); // 显示对话框 isExit.show(); } return false; } private class ShowImgThread extends Thread { @Override public void run() { Looper.prepare(); returnBitMap(url); Looper.loop(); } }; //获取网络图片 public void returnBitMap(String url) { URL myFileUrl = null; Bitmap bitmap = null; try { myFileUrl = new URL(/blog_article/url/index.html); } catch (MalformedURLException e) { e.printStackTrace(); } try { if(myFileUrl!=null){ HttpURLConnection conn = (HttpURLConnection) myFileUrl.openConnection(); conn.setDoInput(true); conn.connect(); InputStream is = conn.getInputStream(); bitmap = BitmapFactory.decodeStream(is); is.close(); } } catch (IOException e) { e.printStackTrace(); } HealthCheckApplication applictaion=(HealthCheckApplication)this.getApplication(); if(spflusrinfo.getValue("Logon_Sina")==null){ applictaion.mHeadBmQQ=bitmap; }else{ applictaion.mHeadBmSina=bitmap; } // mHandler.sendEmptyMessage(DOWNLOAD_FINISH); } }
源码下载地址 :http://www.32666.com/file-600256.html
int j = 0;
j = j++;
//由于是虚拟机的问题, j 初始为0, 先给j 赋值为0, 然后 j的新的地址已经改变了,然后再给老的j+1; 但是新的j的值依然为0
System.out.println(j);//0
System.out.println(j);//0
int i = j;
System.out.println(i);//0