small android laptop

The playback of multimedia files (music and video) in Android is very familiar with MediaPlayer, but now it's time to say another way to play music files Soundpool, compared with MediaPlayer to play music, Occupies a lot of system resources, loading resources also takes time, so it is not suitable for frequent playback of small audio files, such as control focus, the need to play

[]{r.drawable.logo,r.drawable.logo,r.drawable.logo,};//Graphics adapterlistfor (int i = 0;imapMap.put ("image", img[i]);Map.put ("name", Ctype[i]);Datas.add (map);}Simpleadapter adapter = new Simpleadapter (This,datas,r.layout.list_item,New string[]{"image", "Name"},new int[]{r.id.iv_logo,r.id.tv_name});//Load AdapterLv.setadapter (adapter);There's also a custom adapter that hasn't been worked on, and will continue tomorrow! 650) this.width=650; "src=" Http://img.baidu.com/hi/bobo/B_0054.gif "al

indicate that the method has handled the event return true; } }); Root.addview (Drawview); } } Main.xml: [HTML] View Plain copy print? XML version="1.0" encoding="Utf-8" ?> linearlayout xmlns:android="http://schemas.android.com /apk/res/android " android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" android:background="#99FFCC"

); Appcontext.setloc (Isloc); Appcontext.setrING (isRing); Appcontext.setvib (ISVIB); Intent Intent = new Intent (); Intent.setclass (Getapplicationcontext (), listenphone.class); if (Btnlisten.gettext (). toString (). Equals ("Start monitoring")) {Btnlisten.settext ("Stop Monitoring"); Btnlisten.setbackgroundcolor (color.red); Start Service StartService (intent); }else{Btnlisten.settext ("Start monitoring"); Btnlisten.setbackgroundcolor (Color.green); Stop

Notice a small pit of the TextView control in Android, and the dynamically loaded layout will lose the style when you use Android:theme to set the styleThis pit must be noticed,For example, when using a ListView, if the layout in List_item is using a android:theme instead of a style, then the displayed results will show you that your style is all gone.Change to a style is OK.Notice a

A small test system for Android ideasIf there are 100 groups, each group has 4 radio buttons,Set timeout detectionEstimate the results of the test after confirmationView to switch, and if you have one, show the next group againI'll show you a summary of all the ends.There is a time-out end procedurePlus prompt correct option buttonThe last time you log the results of this test, browse the error sectionFollo

H5app need to locate the function will automatically pop-up permission to apply, where the use of the Bmob package is good The following is an official description of Bmob: Android6.0 in the dynamic authorization of the specific permissions, need to be manually granted at run time, the elderly clothing if the user refused to reapply after the user can also be a box to explain the role of permissions, the user click Confirm and then go to apply. Therefore, we provide a rights-managed tool clas

();return null;}/*** Query the corresponding data* @param ID* @return*/Public person Getpersonbyid (int id) {Sqlitedatabase db = Helper.getreadabledatabase ();Person Person=new person ();if (Db.isopen ()) {cursor cursor = db.rawquery ("Select Name,age from person where _id=?", new String[]{string.valueof (ID)});if (Cursor!=nullcursor.getcount () >0) {if (Cursor.movetolast ()) {String name = cursor.getstring (0);Person.setname (name);int age = Cursor.getint (1);Person.setage (age);}}Cursor.close

activity life cycle:onCreate () Create-----"OnStart () Start------" Onresume () Get focus-----"activityrunningRun------onPause () | page jump----"APP process killed-----" onCreate () re-create an interface; |-Lost Focus-------OnStop () |-application does not stop pressing the home button to return to the app-- NBSP;NBSP;NBSP;NBSP;NBSP;NBSP;NBSP;NBSP;NBSP, -- "Onrestart () Start again |-application Stop----"OnDestroy () DestructionSource:public class Mainactivity extends Activity {// priv

public void onutterancecompleted (String utteranceid) {//TODO auto-generated method stub Log. I (TAG, "Texttospeech.onutterancecompletedlistener"); } }; @Override protected void OnDestroy () {//TODO auto-generated method Stub/* Releases Texttospeech resources */Tts.shutdown ( ); LOG.I (TAG, "Tts.shutdown"); Super.ondestroy (); }}To run an instance effect:TTS understands, specifically, where you can use it to make your application more colorful, and see your personal creativity.SOURC

Expandablelistview small arrow style is not very good-looking, in fact, we can change their own. The steps are as follows:1. Hide the icon that comes with Expandablelistview.Hide Expandablelistview's own icon2. Set the view to expand and collapse the picture of the loaded state.Determines whether the group view expands if (isexpanded) {groupHeadHold.iv_arrow.setBackgroundResource (R.DRAWABLE.ARROW_DROP_DOWN_24DP); GroupHeadHold.ll_title_name.setVisibi

();DM = Getapplicationcontext (). Getresources (). Getdisplaymetrics ();Constant.screen_width = Dm.widthpixels;Constant.screen_height = Dm.heightpixels;if (Constant.screen_width > Constant.screen_height) {Constant.screen_height = Dm.widthpixels;Constant.screen_width = Dm.heightpixels;}Constant.xscale = (float) constant.screen_width/constant.camera_width;Constant.yscale = (float) constant.screen_height/constant.camera_height;The image is scaled as follows:/**Get the bitmap after scaling*/Protect

//mPath.reset();}2. Finally found only need to set the default type to solve the problem setLayerType(LAYER_TYPE_SOFTWARE,null);//设置默认样式，去除dis-in的黑色方框以及clear模式的黑线效果Eraser Related Code if ( currentstyle == 1 ) { //normal brush mPaint.setStrokeWidth(currentSize); mPaint.setColor(currentColor); } else {//橡皮擦 mPaint.setAlpha(0); mpaint setxfermode ( new porterduffxfermode Span class= "pun" style= "color: #93a1a1" > ( porterduff mode