Android系統(tǒng)源代碼情景分析

第1篇 初識(shí)Android系統(tǒng)第1章　準(zhǔn)備知識(shí)................................................................21.1　Linux內(nèi)核參考書籍..................................................21.2　Android應(yīng)用程序參考書籍....................................... 31.3　下載、編譯和運(yùn)行Android源代碼........................... 31.3.1　下載Android源代碼...........................................41.3.2　編譯Android源代碼...........................................41.3.3　運(yùn)行Android模擬器...........................................51.4　下載、編譯和運(yùn)行Android內(nèi)核源代碼............................................................61.4.1　下載Android內(nèi)核源代碼................................... 61.4.2　編譯Android內(nèi)核源代碼................................... 71.4.3　運(yùn)行Android模擬器...........................................81.5　開發(fā)第一個(gè)Android應(yīng)用程序................................... 81.6　單獨(dú)編譯和打包Android應(yīng)用程序模塊..........................................................111.6.1　導(dǎo)入單獨(dú)編譯模塊的mmm命令...............................................................111.6.2　單獨(dú)編譯Android應(yīng)用程序模塊...............................................................121.6.3　重新打包Android系統(tǒng)鏡像文件...............................................................12第２章　硬件抽象層.......................................................132.1　開發(fā)Android硬件驅(qū)動(dòng)程序..................................... 142.1.1　實(shí)現(xiàn)內(nèi)核驅(qū)動(dòng)程序模塊.................................. 142.1.2　修改內(nèi)核Kconfig文件...................................... 212.1.3　修改內(nèi)核Makefile文件..................................... 222.1.4　編譯內(nèi)核驅(qū)動(dòng)程序模塊.................................. 222.1.5　驗(yàn)證內(nèi)核驅(qū)動(dòng)程序模塊.................................. 232.2　開發(fā)C可執(zhí)行程序驗(yàn)證Android硬件驅(qū)動(dòng)程序...............................................242.3　開發(fā)Android硬件抽象層模塊................................. 262.3.1　硬件抽象層模塊編寫規(guī)范............................... 262.3.2　編寫硬件抽象層模塊接口............................... 292.3.3　硬件抽象層模塊的加載過程........................... 332.3.4　處理硬件設(shè)備訪問權(quán)限問題........................... 362.4　開發(fā)Android硬件訪問服務(wù)..................................... 382.4.1　定義硬件訪問服務(wù)接口.................................. 382.4.2　實(shí)現(xiàn)硬件訪問服務(wù)..........................................392.4.3　實(shí)現(xiàn)硬件訪問服務(wù)的JNI方法.......................... 402.4.4　啟動(dòng)硬件訪問服務(wù)..........................................432.5　開發(fā)Android應(yīng)用程序來使用硬件訪問服務(wù)..................................................44第３章　智能指針...............................................................493.1　輕量級(jí)指針.............................................................503.1.1　實(shí)現(xiàn)原理分析................................................503.1.2　應(yīng)用實(shí)例分析................................................533.2　強(qiáng)指針和弱指針.....................................................543.2.1　強(qiáng)指針的實(shí)現(xiàn)原理分析.................................. 553.2.2　弱指針的實(shí)現(xiàn)原理分析.................................. 613.2.3　應(yīng)用實(shí)例分析................................................67第2篇 Android專用驅(qū)動(dòng)系統(tǒng)第４章　Logger日志系統(tǒng).............................................744.1　Logger日志格式.......................................................754.2　Logger日志驅(qū)動(dòng)程序..............................................764.2.1　基礎(chǔ)數(shù)據(jù)結(jié)構(gòu)................................................774.2.2　日志設(shè)備的初始化過程.................................. 784.2.3　日志設(shè)備文件的打開過程............................... 834.2.4　日志記錄的讀取過程...................................... 844.2.5　日志記錄的寫入過程...................................... 884.3　運(yùn)行時(shí)庫層日志庫.................................................934.4　C/C++日志寫入接口.............................................1004.5　Java日志寫入接口................................................1044.6　Logcat工具分析.....................................................1104.6.1　基礎(chǔ)數(shù)據(jù)結(jié)構(gòu)..............................................1114.6.2　初始化過程..................................................1154.6.3　日志記錄的讀取過程.................................... 1274.6.4　日志記錄的輸出過程.................................... 132第５章　Binder進(jìn)程間通信系統(tǒng)............................... 1445.1　Binder驅(qū)動(dòng)程序.....................................................1455.1.1　基礎(chǔ)數(shù)據(jù)結(jié)構(gòu)..............................................1465.1.2　Binder設(shè)備的初始化過程.............................. 1645.1.3　Binder設(shè)備文件的打開過程.......................... 1655.1.4　Binder設(shè)備文件的內(nèi)存映射過程............................................................1665.1.5　內(nèi)核緩沖區(qū)管理...........................................1735.2　Binder進(jìn)程間通信庫.............................................1835.3　Binder進(jìn)程間通信應(yīng)用實(shí)例................................. 1885.4　Binder對象引用計(jì)數(shù)技術(shù)..................................... 1965.4.1　Binder本地對象的生命周期.......................... 1975.4.2　Binder實(shí)體對象的生命周期.......................... 2015.4.3　Binder引用對象的生命周期.......................... 2045.4.4　Binder代理對象的生命周期.......................... 2095.5　Binder對象死亡通知機(jī)制..................................... 2125.5.1　注冊死亡接收通知........................................2135.5.2　發(fā)送死亡接收通知........................................2165.5.3　注銷死亡接收通知........................................2215.6　ServiceManager的啟動(dòng)過程..................................2245.6.1　打開和映射Binder設(shè)備文件.......................... 2265.6.2　注冊為Binder上下文管理者.......................... 2275.6.3　循環(huán)等待Client進(jìn)程請求............................... 2315.7　ServiceManager代理對象的獲取過程...........................................................2385.8　Service組件的啟動(dòng)過程........................................2445.8.1　注冊Service組件............................................2455.8.2　啟動(dòng)Binder線程池.........................................2895.9　Service代理對象的獲取過程................................ 2915.10　Binder進(jìn)程間通信機(jī)制的Java接口.............................................................3005.10.1　ServiceManager的Java代理對象的獲取過程..........................................3005.10.2　Java服務(wù)接口的定義和解析..................................................................3105.10.3　Java服務(wù)的啟動(dòng)過程.................................... 3135.10.4　Java服務(wù)代理對象的獲取過程..............................................................3205.10.5　Java服務(wù)的調(diào)用過程.................................... 323第６章　Ashmem匿名共享內(nèi)存系統(tǒng)..............................................................3276.1　Ashmem驅(qū)動(dòng)程序.................................................3286.1.1　基礎(chǔ)數(shù)據(jù)結(jié)構(gòu)..............................................3286.1.2　匿名共享內(nèi)存設(shè)備的初始化過程...........................................................3306.1.3　匿名共享內(nèi)存設(shè)備文件的打開過程.......................................................3326.1.4　匿名共享內(nèi)存設(shè)備文件的內(nèi)存映射過程................................................3346.1.5　匿名共享內(nèi)存塊的鎖定和解鎖過程.......................................................3366.1.6　匿名共享內(nèi)存塊的回收過程..................................................................3446.2　運(yùn)行時(shí)庫cutils的匿名共享內(nèi)存訪問接口....................................................3456.3　匿名共享內(nèi)存的C++訪問接口............................. 3496.3.1　MemoryHeapBase.........................................3496.3.2　MemoryBase.................................................3596.3.3　應(yīng)用實(shí)例.....................................................3646.4　匿名共享內(nèi)存的Java訪問接口............................. 3706.4.1　MemoryFile..................................................3706.4.2　應(yīng)用實(shí)例.....................................................3756.5　匿名共享內(nèi)存的共享原理.................................... 386第3篇 Android應(yīng)用程序框架第７章　Activity組件的啟動(dòng)過程............................. 3927.1　Activity組件應(yīng)用實(shí)例............................................3927.2　根Activity組件的啟動(dòng)過程.................................... 3987.3　子Activity組件在進(jìn)程內(nèi)的啟動(dòng)過程............................................................4327.4　子Activity組件在新進(jìn)程中的啟動(dòng)過程........................................................440第８章　Service組件的啟動(dòng)過程............................ 4438.1　Service組件應(yīng)用實(shí)例.............................................4438.2　Service組件在新進(jìn)程中的啟動(dòng)過程.............................................................4518.3　Service組件在進(jìn)程內(nèi)的綁定過程.................................................................463第９章　Android系統(tǒng)廣播機(jī)制................................. 4869.1　廣播機(jī)制應(yīng)用實(shí)例...............................................4879.2　廣播接收者的注冊過程........................................4939.3　廣播的發(fā)送過程...................................................501第10章　ContentProvider組件的實(shí)現(xiàn)原理.................................................52410.1　ContentProvider組件應(yīng)用實(shí)例........................... 52510.1.1　ArticlesProvider...........................................52510.1.2　Article.........................................................53510.2　ContentProvider組件的啟動(dòng)過程................................................................55010.3　ContentProvider組件的數(shù)據(jù)共享原理........................................................57310.3.1　數(shù)據(jù)共享模型.............................................57310.3.2　數(shù)據(jù)傳輸過程.............................................57610.4　ContentProvider組件的數(shù)據(jù)更新通知機(jī)制................................................59610.4.1　注冊內(nèi)容觀察者..........................................59710.4.2　發(fā)送數(shù)據(jù)更新通知......................................603第11章　Zygote和System進(jìn)程的啟動(dòng)過程.................................................61111.1　Zygote進(jìn)程的啟動(dòng)腳本........................................61111.2　Zygote進(jìn)程的啟動(dòng)過程........................................61411.3　System進(jìn)程的啟動(dòng)過程.......................................622第12章　Android應(yīng)用程序進(jìn)程的啟動(dòng)過程.................................................63012.1　應(yīng)用程序進(jìn)程的創(chuàng)建過程.................................. 63012.2　Binder線程池的啟動(dòng)過程................................... 63912.3　消息循環(huán)的創(chuàng)建過程..........................................641第13章　Android應(yīng)用程序的消息處理機(jī)制.................................................64513.1　創(chuàng)建線程消息隊(duì)列.............................................64513.2　線程消息循環(huán)過程.............................................65013.3　線程消息發(fā)送過程.............................................65513.4　線程消息處理過程.............................................660第14章　Android應(yīng)用程序的鍵盤消息處理機(jī)制.......................................66714.1　鍵盤消息處理模型.............................................66714.2　InputManager的啟動(dòng)過程.................................... 67014.2.1　創(chuàng)建InputManager......................................67014.2.2　啟動(dòng)InputManager......................................67314.2.3　啟動(dòng)InputDispatcher....................................67514.2.4　啟動(dòng)InputReader........................................67714.3　InputChannel的注冊過程..................................... 68814.3.1　創(chuàng)建InputChannel.......................................68914.3.2　注冊Server端InputChannel...........................69714.3.3　注冊系統(tǒng)當(dāng)前激活的應(yīng)用程序窗口.....................................................70114.3.4　注冊Client端InputChannel...........................70614.4　鍵盤消息的分發(fā)過程..........................................70914.4.1　InputReader獲得鍵盤事件........................... 71014.4.2　InputDispatcher分發(fā)鍵盤事件...............................................................71714.4.3　系統(tǒng)當(dāng)前激活的應(yīng)用程序窗口獲得鍵盤消息.......................................72714.4.4　InputDispatcher獲得鍵盤事件處理完成通知.........................................743<