Use of Android Zoomcontrols

We usually on the phone, especially after the use of access to the browser, often see some of the game will zoom out, in fact, very simple.

------------------------the use of zoomcontrols.

public class Zoomcontrolleractivity extends Activity{private TextView mytextview;private zoomcontrols Myzoomcontroller ;p rivate int size = 25;; @Overrideprotected void OnCreate (Bundle savedinstancestate) {//TODO auto-generated method Stubsuper.oncreate ( Savedinstancestate); Setcontentview (r.layout.zooncontroller_layout); Mytextview = (TextView) Findviewbyid ( R.id.mytextview); Myzoomcontroller = (zoomcontrols) Findviewbyid (R.id.myzoomcontroller);; Myzoomcontroller.setonzoominclicklistener (New Onzoomintroller ()); Myzoomcontroller.setonzoomoutclicklistener (new Onzoomouttroller ());} /** * Shrink Listener * @author Androidstartjack * */private class Onzoomintroller implements onclicklistener{@Overridepublic void O Nclick (View v) {toast.maketext (Getapplicationcontext (), "Aaaaaaa", 0). Show (); size = Size +2;mytextview.settextsize ( size);}} /** * Magnification listener * @author Androidstartjack * */private class Onzoomouttroller implements onclicklistener{@Overridepublic void OnClick (View v) {size = Size-2; Toast.maketext (getapplicAtioncontext (), "bbbbbbbbbbbbbbbb", 0). Show (); mytextview.settextsize (size);}}} 

------XML Code:

<?xml version= "1.0" encoding= "Utf-8"? ><linearlayout xmlns:android= "http://schemas.android.com/apk/res/ Android "    android:layout_width=" match_parent "    android:layout_height=" match_parent "    android:o rientation= "vertical" >    <textview        android:id= "@+id/mytextview" android:layout_width= "Match_        Parent "        android:layout_height=" 50DP "        android:background=" #fe00fe "        android:gravity=" center "        Android:text= "This is the study of Zoomtroller"/>    <zoomcontrols        android:id= "@+id/myzoomcontroller"        android:layout_width= "wrap_content"        android:layout_height= "wrap_content"        android:gravity= " Center_horizontal "/></linearlayout>

See if it's simple. Of course you can make a variety of sizes according to your needs.

Use of Android Zoomcontrols