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Android闈㈣瘯棰樻€葷粨 PDF 涓嬭澆
鏈珯鏁寸悊涓嬭澆錛?/strong>
閾炬帴錛?a target="_blank">https://pan.baidu.com/s/1Esq-746ycf5Yq45KIOsbig
鎻愬彇鐮侊細(xì)wh48
鐩稿叧鎴浘錛?/strong>
涓昏鍐呭錛?/strong>
1銆丄ctivity鐨勭敓鍛藉懆鏈燂紝涓や釜Activity涔嬮棿璺寵漿鏃跺繀鐒朵細(xì)鎵ц鐨勬槸閭ｅ嚑涓柟娉曪紵
——鍚姩榪囩▼onCreate()->onStart()->onResume,閿€姣佽繃紼?onPause->onStop->onDestory;
蹇呯劧浼?xì)鎵ц绗竴涓狝ctivity鐨刼nPause()->onStop(),鎵ц絎簩涓狝ctivity鐨?onCreate()->onStart()->onResume
onCreate()錛氬湪榪欓噷鍒涘緩鐢ㄦ埛銆佸仛涓€浜涙暟鎹殑鍒濆鍖栧伐浣?nbsp;
onStart()錛氬埌榪欎竴姝ョ櫨騫村煄鐢ㄦ埛鍙涓嶅彲浜や簰鐨?/div>
onResume()錛氬彉鎴愪笌鐢ㄦ埛鍙氦浜掔殑
onPause()錛氬埌榪欎竴姝ユ槸鍙浣嗕笉鍙氦浜掔殑錛堢郴緇熶細(xì)鍋滄鎵€鏈夌殑鍔ㄧ敾絳夋秷鑰楋跡錛幫嫉鐨勪簨鎯呬粠涓婃枃鐨勬弿榪板凡緇忕煡閬擄紝搴旇鍦ㄨ繖閲屼繚瀛樹綘鐨勪竴浜涙暟鎹紝榪欐槸紼嬪簭鐨勪紭鍏堢駭闄嶄綆錛屾湁鍙兘琚郴緇熸敹鍥炪€傚湪榪欓噷淇濆瓨鐨勬暟鎹紝搴旇鍦╫nResume()閲岃鍑烘潵錛屾敞鎰忥細(xì)榪欎釜鏂規(guī)硶閲屽仛鐨勪簨鎯呰鐭紝鍥犱負(fù)涓嬩竴涓猘ctivity涓嶄細(xì)絳夊埌榪欎釜鏂規(guī)硶瀹屾垚鎵嶅惎鍔級
onStop()錛氬彉寰椾笉鍙錛岃涓嬩竴涓猘ctivtiy 瑕嗙洊錛?/div>
onDestory()錛氳繖鏄痑ctivtiy琚共鎺夊墠鐨勬渶鍚庝竴涓璋冪敤鐨勬柟娉曪紱
onPause,onStop,onDestory,涓夌鐘舵€佷笅activtiy閮芥湁鍙兘琚郴緇熷共鎺?/div>
2銆佸惎鍔ㄤ竴涓狝ctivity鏈夊摢鍑犵鏂規(guī)硶錛?/div>
—— 涓€縐岻ntent intent=new Intent(this,xxx.class);宸茬煡瑕佸惎鍔ㄧ殑Activity鍚嶇О錛?/div>
鍙︿竴縐岻ntent intent=new Intent(Intent.ACTION_INSERT,getIntent().getData());涓嶇煡閬撹鍚姩鐨凙ctivtiy鍚嶇О錛屼緥濡傝皟鐢ㄧ郴緇熺殑鍙戦€佺數(shù)淇＄殑紼嬪簭銆?/div>
3銆佸惎鍔ㄤ竴涓▼搴忥紝鍙互涓葷晫闈㈢偣鍑誨浘鏍囪繘鍏ワ紝涔熷彲浠ヤ粠涓€涓▼搴忎腑璺寵漿榪囧幓錛屼簩鑰呮湁浠€涔堝尯鍒紵
鍖哄埆鏄牴鎹瓵ctivity鍦╩anifest閲岄潰鐨勯厤緗紝榪欎釜activtiy鍙兘浼?xì)鏀惧湪涓嶅悓鐨則ask鏍堥噷闈?/div>
Intent璁劇疆鐨刦lag flag_new_task
4銆佹€庝箞璁╁湪鍚姩涓€涓狝ctivity鏄氨鍚姩涓€涓猻ervice錛?/div>
——鎶婂惎鍔ㄧ殑service浠ｇ爜鍐欏湪Activity鐨刼nCreate鏂規(guī)硶涓€?/div>
Activity鎬庝箞鍜宻ervice緇戝畾錛屾€庝箞鍦ˋctivtiy涓惎鍔ㄨ嚜宸卞搴旂殑service錛?/div>
——閫氳繃bindService鏂規(guī)硶鍙互灝咥ctivtiy鍜孲ervice緇戝畾
5銆佷袱涓狝ctivity涔嬮棿鎬庝箞浼犻€掓暟鎹紵
——鍦ˋndroid涓嬌鐢↖ntent鍦ㄤ袱涓狝ctivtiy闂翠紶閫掓暟鎹?nbsp;
6銆佷綘鍚庡彴鐨凙ctivity琚郴緇熷洖鏀舵€庝箞鍔烇細(xì)onSaveInstanceState
褰撲綘鐨勭▼搴忎腑鏌愪竴涓狝ctivity A 鍦ㄨ繍琛屾椂涓紝涓誨姩鎴栬鍔ㄥ湴榪愯鍙︿竴涓柊鐨凙ctivity B錛岃繖涓椂鍊橝浼?xì)鎵ц?/div>
Java浠ｇ爜
銆€銆€public void onSaveInstanceState(Bundle outState) {
銆€銆€super.onSaveInstanceState(outState);
銆€銆€outState.putLong("id", 1234567890);
銆€銆€}
銆€銆€public void onSaveInstanceState(Bundle outState) {
銆€銆€super.onSaveInstanceState(outState);
銆€銆€outState.putLong("id", 1234567890);
銆€銆€}
B 瀹屾垚浠ュ悗鍙堜細(xì)鏉ユ壘A, 榪欎釜鏃跺€欏氨鏈変袱縐嶆儏鍐碉紝涓€縐嶆槸A琚洖鏀訛紝涓€縐嶆槸娌℃湁琚洖鏀訛紝琚洖鏀剁殑A灝辮閲嶆柊璋冪敤onCreate()鏂規(guī)硶錛屼笉鍚屼簬鐩存帴鍚姩鐨勬槸榪欏洖onCreate()閲屾槸甯︿笂鍙傛暟savedInstanceState錛屾病琚敹鍥炵殑灝辮繕鏄痮nResume灝卞ソ浜嗐€?/div>
savedInstanceState鏄竴涓狟undle瀵硅薄錛屼綘鍩烘湰涓婂彲浠ユ妸浠栫悊瑙ｄ負(fù)緋葷粺甯綘緇存姢鐨勪竴涓狹ap瀵硅薄銆傚湪onCreate()閲屼綘鍙兘浼?xì)鐢ㄥ埌瀹冨Q屽鏋滄甯稿惎鍔╫nCreate灝變笉浼?xì)鏈夊畠锛屾墍浠ョ敤鐨勬椂鍊欒鍒ゆ柇涓€涓嬫槸鍚︿負(fù)絀恒€?/div>
Java浠ｇ爜
銆€銆€if(savedInstanceState != null){
銆€銆€long id = savedInstanceState.getLong("id");
銆€銆€}
銆€銆€if(savedInstanceState != null){
long id = savedInstanceState.getLong("id");
}
7銆佸浣曢€€鍑篈ctivity
瀵逛簬鍗曚竴Activity鐨勫簲鐢ㄦ潵璇達(dá)紝閫€鍑哄緢綆€鍗曪紝鐩存帴finish()鍗沖彲銆傚綋鐒訛紝涔熷彲浠ョ敤killProcess()鍜孲ystem.exit()榪欐牱鐨勬柟娉曘€?/div>
1銆佹姏寮傚父寮哄埗閫€鍑猴細(xì)
璇ユ柟娉曢€氳繃鎶涘紓甯革紝浣跨▼搴廎orce Close銆?/div>
楠岃瘉鍙互錛屼絾鏄紝闇€瑕佽В鍐崇殑闂鏄紝濡備綍浣跨▼搴忕粨鏉熸帀錛岃€屼笉寮瑰嚭Force Close鐨勭獥鍙ｃ€?/div>
2銆佽褰曟墦寮€鐨凙ctivity錛?/div>
姣忔墦寮€涓€涓狝ctivity錛屽氨璁板綍涓嬫潵銆傚湪闇€瑕侀€€鍑烘椂錛屽叧闂瘡涓€涓狝ctivity鍗沖彲銆?/div>
3銆佸彂閫佺壒瀹氬箍鎾細(xì)
鍦ㄩ渶瑕佺粨鏉熷簲鐢ㄦ椂錛屽彂閫佷竴涓壒瀹氱殑騫挎挱錛屾瘡涓狝ctivity鏀跺埌騫挎挱鍚庯紝鍏抽棴鍗沖彲銆?/div>
4銆侀€掑綊閫€鍑?/div>
鍦ㄦ墦寮€鏂扮殑Activity鏃朵嬌鐢╯tartActivityForResult錛岀劧鍚庤嚜宸卞姞鏍囧織錛屽湪onActivityResult涓鐞嗭紝閫掑綊鍏抽棴銆?/div>
闄や簡絎竴涓紝閮芥槸鎯沖姙娉曟妸姣忎竴涓狝ctivity閮界粨鏉熸帀錛岄棿鎺ヨ揪鍒扮洰鐨勩€備絾鏄繖鏍峰仛鍚屾牱涓嶅畬緹庛€?/div>
浣犱細(xì)鍙戠幇錛屽鏋滆嚜宸辯殑搴旂敤紼嬪簭瀵規(guī)瘡涓€涓狝ctivity閮借緗簡nosensor錛屽湪涓や釜Activity緇撴潫鐨勯棿闅欙紝sensor鍙兘鏈夋晥浜嗐€?/div>
浣嗚嚦灝戯紝鎴戜滑鐨勭洰鐨勮揪鍒頒簡錛岃€屼笖娌℃湁褰卞搷鐢ㄦ埛浣跨敤銆?br />
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| Java1234瀹樻柟緹?5錛?/td> | 
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| Java1234瀹樻柟緹?5錛?/td> | 838462530 |
鑻忓叕緗戝畨澶?32061202001004鍙?/p>
