在
android 4.2我的应用程序工作正常,但是当我尝试使用android 4.0.4测试它有这个消息错误：
04-16 15:06:46.601: E/AndroidRuntime(3844): java.lang.NoSuchMethodError: android.widget.RelativeLayout.setBackground
04-16 15:06:46.601: E/AndroidRuntime(3844): at com.myapp.MainActivity.cambiarPagina(MainActivity.java:271)
04-16 15:06:46.601: E/AndroidRuntime(3844): at com.myapp.MainActivity.cambiarPagina(MainActivity.java:119)
04-16 15:06:46.601: E/AndroidRuntime(3844): at com.myapp.MainActivity.access$0(MainActivity.java:116)
04-16 15:06:46.601: E/AndroidRuntime(3844): at com.myapp.MainActivity$2.onClick(MainActivity.java:70)
04-16 15:06:46.601: E/AndroidRuntime(3844): at android.view.View.performClick(View.java:3524)
04-16 15:06:46.601: E/AndroidRuntime(3844): at android.view.View$PerformClick.run(View.java:14202)
04-16 15:06:46.601: E/AndroidRuntime(3844): at android.os.Handler.handleCallback(Handler.java:605)
04-16 15:06:46.601: E/AndroidRuntime(3844): at android.os.Handler.dispatchMessage(Handler.java:92)
04-16 15:06:46.601: E/AndroidRuntime(3844): at android.os.Looper.loop(Looper.java:137)
04-16 15:06:46.601: E/AndroidRuntime(3844): at android.app.ActivityThread.main(ActivityThread.java:4499)
04-16 15:06:46.601: E/AndroidRuntime(3844): at java.lang.reflect.Method.invokeNative(Native Method)
04-16 15:06:46.601: E/AndroidRuntime(3844): at java.lang.reflect.Method.invoke(Method.java:511)
04-16 15:06:46.601: E/AndroidRuntime(3844): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:788)
04-16 15:06:46.601: E/AndroidRuntime(3844): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:555)
04-16 15:06:46.601: E/AndroidRuntime(3844): at dalvik.system.NativeStart.main(Native Method)
AnimationDrawable animation = new AnimationDrawable();
animation.addFrame(getResources().getDrawable(R.drawable.d1),200);
animation.addFrame(getResources().getDrawable(R.drawable.dio),1000);
animation.addFrame(getResources().getDrawable(R.drawable.da1),200);
animation.setOneShot(true);
view.setBackground(animation);
view.post(new Starter(animation));
