Thanks a lot!!!!!! It worked. On Mar 26, 10:23 am, Romain Guy <[email protected]> wrote: > To inflate a View from XML you need to implement the constructors that take > an AttributeSet. The constructor that only takes a Context is not invoked > when inflating from XML. > > On Fri, Mar 25, 2011 at 10:06 PM, Atul Prakash > <[email protected]>wrote: > > > > > > > > > > > Dear Friends, > > > I am trying to inflate View class from xml resource. Moreover i am > > following all the conventions of Building Custom Components given on > > Android developer site. I have defined View class as subclass of My > > Activity class which is as follows: > > > public class MyApp extends Activity { > > @Override > > public void onCreate(Bundle savedInstanceState) { > > super.onCreate(savedInstanceState); > > setContentView(R.layout.main); > > } > > public static class MyAppView extends View { > > Bitmap menu; > > int menudemo[]; > > public MyAppView(Context context) { > > super(context); > > // TODO Auto-generated constructor stub > > menudemo = new int[] > > {R.drawable.menu,R.drawable.icon}; > > } > > @Override > > public void onDraw(Canvas canvas) { > > Resources res = getResources(); > > canvas.drawBitmap(BitmapFactory.decodeResource(res, > > menudemo[0]), > > 0, 0, null); > > System.gc(); > > invalidate(); > > } > > } > > } > > My main.xml is as follows: > > <?xml version="1.0" encoding="utf-8"?> > > <LinearLayout xmlns:android="http://schemas.android.com/apk/res/ > > android" > > android:orientation="vertical" > > android:layout_width="fill_parent" > > android:layout_height="fill_parent" > > > <view class="com.myapp.MyApp$MyAppView" > > android:id="@+id/my" > > android:layout_width="fill_parent" > > android:layout_height="fill_parent" > > /> > > <TextView > > android:layout_width="fill_parent" > > android:layout_height="wrap_content" > > android:text="@string/hello" > > /> > > </LinearLayout> > > > I do not know what is wrong with my coding, but when i am running this > > application i am getting run time exception like: > > > 03-25 12:28:50.842: ERROR/AndroidRuntime(1107): FATAL EXCEPTION: main > > 03-25 12:28:50.842: ERROR/AndroidRuntime(1107): > > java.lang.RuntimeException: Unable to start activity > > ComponentInfo{com.myapp/com.myapp.MyApp}: > > android.view.InflateException: Binary XML file line #7: Error > > inflating class com.myapp.MyApp$MyAppView > > 03-25 12:28:50.842: ERROR/AndroidRuntime(1107): at > > android.app.ActivityThread.performLaunchActivity(ActivityThread.java: > > 2663) > > 03-25 12:28:50.842: ERROR/AndroidRuntime(1107): at > > android.app.ActivityThread.handleLaunchActivity(ActivityThread.java: > > 2679) > > 03-25 12:28:50.842: ERROR/AndroidRuntime(1107): at > > android.app.ActivityThread.access$2300(ActivityThread.java:125) > > 03-25 12:28:50.842: ERROR/AndroidRuntime(1107): at > > android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033) > > 03-25 12:28:50.842: ERROR/AndroidRuntime(1107): at > > android.os.Handler.dispatchMessage(Handler.java:99) > > 03-25 12:28:50.842: ERROR/AndroidRuntime(1107): at > > android.os.Looper.loop(Looper.java:123) > > 03-25 12:28:50.842: ERROR/AndroidRuntime(1107): at > > android.app.ActivityThread.main(ActivityThread.java:4627) > > 03-25 12:28:50.842: ERROR/AndroidRuntime(1107): at > > java.lang.reflect.Method.invokeNative(Native Method) > > 03-25 12:28:50.842: ERROR/AndroidRuntime(1107): at > > java.lang.reflect.Method.invoke(Method.java:521) > > 03-25 12:28:50.842: ERROR/AndroidRuntime(1107): at > > com.android.internal.os.ZygoteInit > > $MethodAndArgsCaller.run(ZygoteInit.java:868) > > 03-25 12:28:50.842: ERROR/AndroidRuntime(1107): at > > com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626) > > 03-25 12:28:50.842: ERROR/AndroidRuntime(1107): at > > dalvik.system.NativeStart.main(Native Method) > > 03-25 12:28:50.842: ERROR/AndroidRuntime(1107): Caused by: > > android.view.InflateException: Binary XML file line #7: Error > > inflating class com.myapp.MyApp$MyAppView > > 03-25 12:28:50.842: ERROR/AndroidRuntime(1107): at > > android.view.LayoutInflater.createView(LayoutInflater.java:503) > > 03-25 12:28:50.842: ERROR/AndroidRuntime(1107): at > > android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:565) > > 03-25 12:28:50.842: ERROR/AndroidRuntime(1107): at > > android.view.LayoutInflater.rInflate(LayoutInflater.java:618) > > 03-25 12:28:50.842: ERROR/AndroidRuntime(1107): at > > android.view.LayoutInflater.inflate(LayoutInflater.java:407) > > 03-25 12:28:50.842: ERROR/AndroidRuntime(1107): at > > android.view.LayoutInflater.inflate(LayoutInflater.java:320) > > 03-25 12:28:50.842: ERROR/AndroidRuntime(1107): at > > android.view.LayoutInflater.inflate(LayoutInflater.java:276) > > 03-25 12:28:50.842: ERROR/AndroidRuntime(1107): at > > > com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.jav > > a: > > 198) > > 03-25 12:28:50.842: ERROR/AndroidRuntime(1107): at > > android.app.Activity.setContentView(Activity.java:1647) > > 03-25 12:28:50.842: ERROR/AndroidRuntime(1107): at > > com.myapp.MyApp.onCreate(MyApp.java:23) > > 03-25 12:28:50.842: ERROR/AndroidRuntime(1107): at > > android.app.Instrumentation.callActivityOnCreate(Instrumentation.java: > > 1047) > > 03-25 12:28:50.842: ERROR/AndroidRuntime(1107): at > > android.app.ActivityThread.performLaunchActivity(ActivityThread.java: > > 2627) > > 03-25 12:28:50.842: ERROR/AndroidRuntime(1107): ... 11 more > > 03-25 12:28:50.842: ERROR/AndroidRuntime(1107): Caused by: > > java.lang.NoSuchMethodException: MyAppView(Context,AttributeSet) > > 03-25 12:28:50.842: ERROR/AndroidRuntime(1107): at > > java.lang.Class.getMatchingConstructor(Class.java:660) > > 03-25 12:28:50.842: ERROR/AndroidRuntime(1107): at > > java.lang.Class.getConstructor(Class.java:477) > > 03-25 12:28:50.842: ERROR/AndroidRuntime(1107): at > > android.view.LayoutInflater.createView(LayoutInflater.java:475) > > 03-25 12:28:50.842: ERROR/AndroidRuntime(1107): ... 21 more > > 03-25 12:28:50.882: WARN/ActivityManager(71): Force finishing > > activity com.myapp/.MyApp > > 03-25 12:28:51.392: WARN/ActivityManager(71): Activity pause timeout > > for HistoryRecord{441c18d0 com.myapp/.MyApp} > > 03-25 12:29:01.981: WARN/ActivityManager(71): Activity destroy timeout > > for HistoryRecord{441c18d0 com.myapp/.MyApp} > > 03-25 12:33:50.912: INFO/Process(1107): Sending signal. PID: 1107 SIG: > > 9 > > > Please help me to solve this RunTime Exception. > > > Thanks & Regards. > > > Atul Prakash Singh > > > -- > > You received this message because you are subscribed to the Google > > Groups "Android Developers" group. > > To post to this group, send email to [email protected] > > To unsubscribe from this group, send email to > > [email protected] > > For more options, visit this group at > >http://groups.google.com/group/android-developers?hl=en > > -- > Romain Guy > Android framework engineer > [email protected] > > Note: please don't send private questions to me, as I don't have time to > provide private support. All such questions should be posted on public > forums, where I and others can see and answer them
-- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
