android headset button

1. First create a new two button tag in the Activity_main.xml file.　　1 LinearLayoutxmlns:android= "Http://schemas.android.com/apk/res/android"2 Xmlns:tools= "Http://schemas.android.com/tools"3 Android:layout_width= "Match_parent"4 Android:layout_height= "Match_parent"5 android:orientation= "vertical"6 Android:paddingbottom= "@dimen/activity_vertical_margin"7 Android:paddingleft= "@dimen/activity_horizontal_

Android provides the normal button Buttton and Picture button ImageButton Two button components, ImageButton button has a Android:src property, used to set the background image of the button. You can add the Android:onclick proper

"Android:layout_height= "Wrap_content"Android:layout_weight= "2"android:gravity= "Bottom" > ButtonAndroid:id= "@+id/button6"Android:layout_width= "Wrap_content"Android:layout_height= "Match_parent"Android:layout_weight= "1"Android:background= "#EEEEEE" /> ButtonAndroid:id= "@+id/button7"Android:layout_width= "Wrap_content"Android:layout_height= "Match_parent"Android:layout_weight= "1"Android:background= "#EEEEEE" /> ButtonAndroid

voidOnmeasure (intWidthmeasurespec,intHeightmeasurespec) {setmeasureddimension (Bitmapbackground.getwidth (), Bitmapbackground.getheight ()); } //Current status Private BooleanCurrentstate=false; //the current left of the slide button Private floatSlidebtnleft=0; /*** Draw View*/@Overrideprotected voidOnDraw (canvas canvas) {//Draw BackgroundCanvas.drawbitmap (bitmapbackground, 0, 0, paint); //Draw Slide ButtonsCanvas.drawbitmap (bitmapbt

In Android, we can highlight the button through custom images. here is a example that will give you about how to set a image when the button is focused, pressed and focused pressed. we can set each image for each stage.Example for Android button highlight :- 01 x

============ Problem Description ============Heroes, Ben does not understand Android, ask a solution can be achieved:An already released app, this app has a button when it goes in, the normal situation is we click this button by hand, will trigger this button event;Now I want to develop an

activity is first created. * // @ override public void oncreate (bundle savedinstancestate) {super. oncreate (savedinstancestate); setcontentview (R. layout. main );} /************************************ button click operation handler. * The following function is a processing function clicked by a button. * It needs to add an onclick attribute to the button in

to add text for the build. You can directly specify the text or import it from the strings. xml file. However, you must first define it in strings. xml. The strings. xml file is as follows: Android: layout_width and Android: layout_height are used to specify the button size. You can directly specify Android: layou

(Transferred from: http://blog.csdn.net/winson_jason/article/details/8485524)When we use the Android Alertdialog to create the dialog, we will encounter a problem is: we add the button whether it is used Setnegativebutton or Setpositivebutton add button, click on the time, Will close the dialog box, but some of our actual needs, we need to keep this dialog box, s

The button control in Android should count as a simpler control, however, it's used very high, and today I've summed up three common ways to achieve its function by clicking button. 1. Most of the time, when we use the button control, it is often "one-time" use, at this time, for the sake of convenience, we generally

ViewCreate a Colors.xml file to define two colors1. 2. name="blue_pressed"> @android: Color/holo_blue_dark 3. name="blue_normal">@ Android:color/holo_blue_light4. Here we use the holo tones of Android:1. 2. name="Holo_blue_dark"># ff0099cc3. 4. name="holo_blue_light"># Ff33b5e5Create a Dimen.xml file that defines the fillet value and the height of the shadow, see1. 2.NBSP; NBSP;

In Android or Java development, there are four ways to implement the button's Onclicklistener, and you can choose the appropriate usage as needed.Method One:Fit Scene: UniversalButton Bt_demo = (button) Findviewbyid (R.id.bt_demo);Bt_demo.setonclicklistener (New Onclicklistener () {@Override public void OnClick (View v) {///Response clicked Event//... }});Method Two:Fit for scene: used when multiple