small launchers for android

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

This blog is my development of an Android application works-the small CAI Application works series. At present, there are mainly small CAI one key lock screen, Xiao Cai Address Book, Cai Software Manager, Xiao Cai Picture browser.Welcome everyone to download the use, if there is a need for source code can contact me.Xiao Cai Address Book : Based on Android4.4 dev

class:Package Com.example.alarmmangertest;import Android.content.broadcastreceiver;import Android.content.Context; Import Android.content.intent;import Android.util.log;import Android.widget.toast;public class MyReceiver extends Broadcastreceiver { @Override public void OnReceive (context context, Intent Intent) { log.d (" MyTag "," Onclock ... "........."); String msg = Intent.getstringextra ("msg"); Toast.maketext (Context,msg,toast.length_short).

" encoding= "Utf-8"?>2 LinearLayoutxmlns:android= "Http://schemas.android.com/apk/res/android"3 android:orientation= "vertical"4 Android:layout_width= "Fill_parent"5 Android:layout_height= "Fill_parent"6 >7 TextView8 Android:layout_width= "Fill_parent" 9 Android:layout_height= "Wrap_content" Ten Android:text= "@string/hello" One Android:id= "@+id/tv" A /> - EditText - Android:layout_width= "Fill_parent" the Androi

) Findviewbyid (r.id.phonenumber); ABTN =(Button) Findviewbyid (r.id.btn_call); -Btn.setonclicklistener (NewOnclicklistener () { - the @Override - Public voidOnClick (View v) { - if(Number.gettext (). toString (). Trim (). Equals ("")) { -Number.seterror ("Phone number cannot be empty"); +}Else { - +Intent i =NewIntent ("Android.intent.action.CALL", the Uri A. Parse ("Tel:" +Number.gettext (). toString (). Trim ())); at startactivity (i); - } - -

The pee of small problems encountered by Android development;@[email protected] When compiling and running the Android programThe console in Eclipse prompts the launch would only sync the application package on the deviceIt was found that the red part of the main activity in the Androidmanifest.xml was not added,Android:label= "@string/xxx"Android:name= ". XXX" >

Android.os.bundle;import Android.view.view;import Android.view.view.onclicklistener;import Android.view.Window; Import android.widget.button;/** * @author Yayun * @since September 14, 2015 * */public class Second extends Activity{private Button mbuttonsecond;/* (non-javadoc) * @see android.app.activity#oncreate (android.os.Bundle) */@Overrideprotected void OnCreate (Bundle savedinstancestate) {//TODO auto-generated method Stubsuper.oncreate (savedinstancestate); Requestwindowfeature (Window.fe

Because of the time problem, simply talk about your own understanding.As we all know, in Android development, do not need to manage their own, a garbage collection mechanism will automatically help us to recycleThere are no objects that are referenced to.What exactly is the garbage collection mechanism? Here is a list of some of my understanding.Garbage-Collected Threads:It was previously done in the main thread, and later moved to a lower priority.Pr

Android custom Cursor has a small problem. In many cases, Android applications use SQliter to store a large amount of data. Using sqlliter cannot help but deal with cursor. flexible use of cursor saves a lot of trouble. For example, you can combine your data in a virtual table (data set) and return it to the user in the form of cursor through the Provider. You ca

" $ Android:layout_height= "Wrap_content"Panax Notoginseng Android:text= "Btn3" /> - the View + Android:layout_width= "Fill_parent" A Android:layout_height= "0.5DP" the Android:background= "#e5e5e5"/> + - LinearLayout>Operating effect:The implementation method primarily places a imageview, view, or LinearLayout component and then sets it to the color of the divider line.Similarly, we can use the view to set up separate parts, the code is as follows:1 LinearLayout2

To help find scenarios that users might need to explain, Android provides a utility method, Shouldshowrequestpermissionrationale (). This method returns true if the app has previously requested this permission but the user rejected the request.Note: This method returns False if the user has rejected a permission request in the past and has selected the Don't ask again option in the Permission Request System dialog box. This method also returns false i

it used to be MVC to develop Android apps, but it felt that the frequent interaction of M and V in activity made the code bloated and the number of lines of codeIt's easy to reach thousands of lines. Not only that, the use of MVC makes the code readable and maintainable is very low scalability, some small functions of the increase,Deleting, modifying, and querying are very difficult, especially when the cod

1, Android How to let EditText not automatically get focusSolution: Find a EditText parent control to truncate the default behavior of EditText! Set upAndroid:focusable= "true"Android:focusableintouchmode= "true" >Example: Android:layout_width= "Match_parent" android:layout_height= "Match_parent" Android:focusable= "true" Android:focusableintouchmode= "true" > Android:layout_width= "Match_parent" android:layout_height= "W