黑馬程序員android managerlayout系統(tǒng)相關(guān)

Manager相ManagerprivateStringgetAppVersion()PackageManagerpm=this.getPackageManager();try{//PackageInfo封裝 PackageInfopInfo=pm.getPackageInfo(this.getPackageName(),return}catch(NameNotFoundExceptione){ //can'treach}return} 文件中，可通過(guò)設(shè)置Activity的意圖過(guò)濾，來(lái)添加快捷圖標(biāo)，如果為多個(gè)Activity加個(gè)了下面的配置，就會(huì)產(chǎn)生多個(gè)快捷圖標(biāo)）publicvoidtestGetLauncherActivity()throwsExceptionpublicvoidtestGetLauncherActivity()throwsException//根據(jù)意圖過(guò)濾器，來(lái)獲取所有的快捷圖PackageManagerpm=getContext().getPackageManager();Intentintent=newIntent();List<ResolveInfo>resolves=pm.queryIntentActivities(intent,for(ResolveInforeso:resolves){}}List<PackageInfo>packs=pm.getInstalledPackages(0);List<ApplicationInfo>apps=pm.getInstalledApplications(0);//全 //全部應(yīng)用程序中的信List<PackageInfo>packs=pm.getInstalledPackages(0);List<ApplicationInfo>apps=pm.getInstalledApplications(0);//全 //全部應(yīng)用程序中的信示例：獲取中安裝的所有應(yīng)用信息publicclassAppInfo{privatepublicclassAppInfo{privateDrawableicon;privateStringappName;privateStringpackName;privatebooleaninRom;privatebooleanuserApp;//圖//程序名//包//是否安裝在 中//用戶安裝/系統(tǒng)自獲取方法publicpublicstaticList<AppInfo>getAppInfos(Contextcontext){List<AppInfo>list=newArrayList<AppInfo>();AppInfoappInfo=null;PackageManagerpm=//獲取安裝的所有程序的 List<PackageInfo>packs=for(PackageInfopackInfo:packs)ApplicationInfoapplicationInfo //應(yīng)用appInfo=newAppInfo(); //程序 intflags=if((flags&ApplicationInfo.FLAG_SYSTEM)!=0){}else//系統(tǒng)程序//用戶程序}if((flags&ApplicationInfo.FLAG_EXTERNAL_STORAGE)!=0)}else}}return}*開(kāi)啟應(yīng)用selectedAppInfo為應(yīng)用程序信息，即上面的AppInfoprivatevoidstartApplication()//開(kāi)啟某一個(gè)應(yīng)用程序里面的第一個(gè)//獲取這個(gè)應(yīng)用程序 文件.tryPackageInfopackageInfo=ActivityInfo[]activities=packageInfo.activities;if(activities!=null&&activities.length>0){ActivityInfoactivityInfo=activities[0];//第一個(gè)ActivityIntentintent=newIntent();intent.setClassName(activityInfo.packageName,activityI);}else}}catch(NameNotFoundExceptione){}}*卸載應(yīng)用，使用隱式意圖來(lái)啟動(dòng)卸載應(yīng)用，來(lái)卸載<暫不支持卸載系統(tǒng)的應(yīng)*卸載應(yīng)用，使用隱式意圖來(lái)啟動(dòng)卸載應(yīng)用，來(lái)卸載<暫不支持卸載系統(tǒng)的應(yīng)用privatevoiduninstallApplication()//<actionandroid:name="ent.action.VIEW"http://<dataandroid:scheme="package"/>Intentintent=newIntent();1.這里的package不要加//，因?yàn)樗皇且粋€(gè)路徑，<data/>沒(méi)有host屬性，類(lèi)似還 //2.有host屬性，需要加入//，表示路徑intent.setData(Uri.parse("packageselectedAppInfo.getPackName()));startActivityForResult(intent,0);}*@param@parampublicstaticintgetRunningProcessCount(Contextcontext){ActivityManagerac=(ActivityManager)List<RunningAppProcessInfo>processes=ac.getRunningAppProcesses();returnprocesses.size();}@param@returnpublicstaticMemoryInfogetMemoryInfo(Contextcontext){ActivityManagerac=(ActivityManager)MemoryInfooutInfo=newMemoryInfo();return}通 publicstaticlonggetTotalRAM()longsize=tryFilefile=newFile("/proc/meminfo");FileInputStreamfis=newFileInputStream(file);BufferedReaderbr=newBufferedReader(new//MemTotal:513000kBString字 Stringline=PatterntPattern= MatcherpMatcher=tPattern.matcher(line);if(pMatcher.find()){size=}}catch(Exceptione){size=0;}return}publicclasspublicclassTaskInfoprivateDrawabletaskIcon;privateStringtaskName;privateStringpackName;privatelongmemSize;//進(jìn)程圖//進(jìn)程名//對(duì)應(yīng)包//占用內(nèi)privateprivatebooleanprivateintprivateintprivateboolean//系統(tǒng)進(jìn)程//用戶進(jìn)程//用于listViewitem含有checkbox@parampublicstaticList<TaskInfo>getTaskInfos(Contextcontext){List<TaskInfo>list=newArrayList<TaskInfo>();ActivityManageram=(ActivityManager)PackageManagerpm=context.getPackageManager();List<RunningAppProcessInfo>processes=for(RunningAppProcessInfoprocess:processes){TaskInfotaskInfo=newTaskInfo();StringpackName=//進(jìn)程包名稱longmemSize=am.getProcessMemoryInfo(new{process.pid})[0].getTotalPrivateDirty()*try

PackageInfopkInfo=pm.getPackageInfo(packName,0); //獲取 intflags //系統(tǒng)程}else //用戶程}}catch(NameNotFoundExceptione){} //系統(tǒng)進(jìn)程ID //用戶進(jìn)程ID}return}主要是殺死進(jìn)程，空進(jìn)程，不能殺死服務(wù)進(jìn)程，前臺(tái)進(jìn)程與系統(tǒng)持久化進(jìn)程,也不能////殺死全部 List<RunningAppProcessInfo>infos=am.getRunningAppProcesses();for(RunningAppProcessInfoinfo:infos){}//當(dāng)前運(yùn)行的任務(wù)棧（最近打開(kāi)的任務(wù)棧，在集合的最//當(dāng)前運(yùn)行的任務(wù)棧（最近打開(kāi)的任務(wù)棧，在集合的最前面List<RunningTaskInfo>runningTasks=RunningTaskInfotaskInfo=runningTasks.get(0); //獲取最近打開(kāi)應(yīng)用的任務(wù)棧StringpackName=taskInfo.topActivity.getPackageName(); //獲取應(yīng)用的包名；棧頂Activity；taskInfo.baseActivity;棧低連接管理器，Classthatanswersqueriesaboutthestateofnetworkconnectivity.Italsonotifiesapplicationswhennetworkconnectivitychanges.<uses-permission<uses-permissionandroid:name="android.permission.INTERNET"publicvoidpublicvoidisNetWorkAvailable(){ConnectivityManagercm=(ConnectivityManager)NetworkInfo[]infos=cm.getAllNetworkInfo();for(NetworkInfoinfo:infos){}}WindowManager&LayoutParamsLayoutParams，LayoutParams用于設(shè)置當(dāng)View對(duì)象的布局參數(shù)；WindowManager整個(gè)應(yīng)用的窗體管理器，它管理的View不允許被移到屏幕外；windowMangerview對(duì)象時(shí)對(duì)屏幕邊界時(shí)，params.xparams.y可0或大于屏幕的高寬，處理時(shí)，請(qǐng)參考下面的代碼；viewwindowMangerLayoutParams.xygetLeftprivateWindowManager/**自定義Toastview對(duì)象privateView/**土司的布局參數(shù)privateWindowManager.LayoutParams*自定義土司顯示privatevoidshowAddress(Stringaddress)toastView=View.inflate(this,R.layout.toast_loaction,null);params=newparams.gravityGravity.LEFT| //布局參數(shù)設(shè)置位params.x=sp.getInt(Constant.sp.LOCATION_LEFT,0); //x設(shè)置params.y=sp.getInt(Constant.sp.LOCATION_TOP, //y設(shè)params.width=WindowManager.LayoutParams.WRAP_CONTENT;params.format=//定義窗體的類(lèi)型TYPE_PRIORITY_PHONE，這是系統(tǒng)類(lèi)型窗體，需要配置權(quán)限params.type=WindowManager.LayoutParams.TYPE_PRIORITY_PHONE;windowMgr.addView(toastView,params); //添加至窗體}if(toastView!=null){}privatevoiddrag(Viewv,MotionEvente)intnewXint //記錄新位置intnewY=(int)intdiffXnewX //計(jì)算偏移量intdiffY=newY-params.x //更新位params.y+=diffY;windowMgr.updateViewLayout(v,params);//==使用windowManager注意的地方，windowManger添加的view不能移除屏幕，if(params.x<0){params.x=0;}if(params.y<0)params.y=params.y=}if(params.x>windowMgr.getDefau y().getWidth()){params.x=windowMgr.getDefau }if(params.y>windowMgr.getDefauparams.y=windowMgr.getDefau}startX=newX;startY=y().getHeight()) }API，程序中，無(wú)法直接引入其類(lèi)，須通過(guò)反射來(lái)實(shí)現(xiàn)；*終止privatevoidendCall()tryClass<?>clazzMethodmethod=clazz.getDeclaredMethod("getService", 對(duì)象(AIDL)須引入I ephonyaidl文件IBinderb=(IBinder)method.invoke(null, ephonyi ephony=I }catch(Exceptione){}}//從系統(tǒng)服務(wù)中，獲取定時(shí)任務(wù)管理//從系統(tǒng)服務(wù)中，獲取定時(shí)任務(wù)管理AlarmManageram=(AlarmManager)//延遲意//ELAPSED_REALTIME：真實(shí)時(shí)間；5秒后執(zhí)行，5am.setRepeating(AlarmManager.ELAPSED_REALTIME,5000,5000,ephonyManagerephonyManager=simSerial simSerial Device SmsManagersmsManager=SmsManager.SmsManagersmsManager=SmsManager.getDefault();smsManager.sendTextMessage(safePhone,null,"simchanged",null,null);LocationManagerLocationManager=Criteriacriteria=newCriteria();用//定//海//運(yùn)行產(chǎn)生費(fèi)//是否費(fèi)電//同StringbestName //最好的定位方AppWidgetManagerawm=AppWidgetManagerawm=設(shè)置相資源文件 ReturnaResourcesinstanceforyourapplication'spackage.用于獲取資源文件，獲取資產(chǎn)文件 am=am=InputStreamips=am.open(fileName);//獲取文件輸入 (4大組件有點(diǎn)類(lèi)似web.xml文件；是應(yīng)用默認(rèn)是優(yōu)先安裝在內(nèi)存中，可通過(guò)設(shè)置manifest節(jié)點(diǎn)屬性installLocation來(lái)指定； SD卡；Activity長(zhǎng)按home鍵，會(huì)列出最近打開(kāi)的activity，如果不希望某個(gè)activity 介 4.1空 privateprivateStringgetAvailSD()Filepath=Environment.getExternalStorageDirectory();StatFsstat=newStatFs(path.getPath());longblockSize=longavailableBlocks=stat.getAvailableBlocks();longavailsd=blockSize*availableBlocks;returnFormatter.formatFileSize(this,availsd);}privateStringgetAvailROM()StatFsstat=newStatFs(path.getPath());longblockSize=stat.getBlockSize();longavailableBlocks=stat.getAvailableBlocks();longavailsd=blockSize*availableBlocks;returnFormatter.formatFileSize(this,availsd);} 保存一些配置信息，像CPU，內(nèi)存的等配置信息，都在此 使用ls–L打開(kāi)此 是進(jìn)程的UID，保存是進(jìn)程的一些流量信息； 下的文件信息（rcv與snd；api //獲取總 //總的上傳流 //獲取 //上android系統(tǒng)相getRunningAppProcesses()getRunningTasks()區(qū)別：在文件中，4大組件都是配置在application節(jié)點(diǎn)下的Activity，用戶看到界面；任務(wù)棧：TaskStack(backstack)后退棧，它的結(jié)構(gòu)是一個(gè)鏈表源代碼收獲6.1flagspublicstaticfinalintpublicstaticfinalintFLAG_SYSTEM=1<<0;publicstaticfinalintFLAG_HAS_CODE=1<<2;//////一些Int3232個(gè),031int類(lèi)型的值，可表示多個(gè)狀態(tài)；常用7.1Activity 在模擬器中，打開(kāi)的編輯界面找到其對(duì)應(yīng)的源代碼的文件，快速定位到ComposeMessageActivity，并獲取其中的Intentintent=newIntent(); /store/apps/details?id=%s",selectedAppInfo.getAppName(), 屏幕的適Android的設(shè)備，屏幕的分辨率有很多，在處理分辨率適配的問(wèn)題，我們應(yīng)該遵循下面的原publicpublicclassDensityUtil根 的分辨率從dip的單位轉(zhuǎn)成為px(像素publicstaticintdip2px(Contextcontext,floatdpValue)finalfloatscale= return(int)(dpValue*scale+}根 的分辨率從px(像素)的單位轉(zhuǎn)成為publicstaticintpx2dip(Contextcontext,floatpxValue)finalfloatscale= return(int)(pxValue/scale+}}應(yīng)用程序的異常處ApplicationApplication類(lèi)是用于全局應(yīng)用程序的狀態(tài)可繼承Application類(lèi)來(lái)記錄當(dāng)前程序發(fā)生的 package： SafeApplication類(lèi)就表示當(dāng)前的應(yīng)用程序；applicationname<applicationpublic SafeApplicationextendsApplicationprivatestaticfinalStringTAG= //整個(gè)應(yīng)用初始化之前，會(huì)調(diào)用這個(gè)方法，可在這里進(jìn)行一publicvoidonCreate()//覆蓋默認(rèn)的Thread.setDefaultUncaughtExceptionHandler(new}覆蓋@authorzhaoyu2013-8-11下午privateclassMyUnCaughtExceptionHandlerimplementsUncaughtExceptionHandler{publicvoiduncaughtException(ThreadthreadThrowableex){Log.i(TAGex.toString());