requestWindowFeature(Window.FEATURE_NO_TITLE)

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
     requestWindowFeature(Window.FEATURE_NO_TITLE);####
    setContentView(R.layout.activity_main);

VFY: unable to resolve virtual method 11342: Landroid/view/ViewGroup;.onNestedScrollAccepted (Landroid/view/View;Landroid/view/View;I)V

我再用配置主题解决

<style name="AppBaseTheme" parent="Theme.AppCompat.Light">
</style>

<!-- Application theme. -->
<style name="AppTheme" parent="AppBaseTheme">
</style>
<!-- 定义不现实标题 -->
<style name="notitle">
 <item name="android:windowNoTitle">true</item>
</style>

清单里加
android:allowBackup="true"
android:icon="@drawable/img_1"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
android:name=".MainActivity"
android:label="@string/app_name"
android:theme="@style/notitle"##
>

                    又报错
                    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.lzl.top01/com.lzl.top01.MainActivity}: java.lang.IllegalStateException: You need to use a Theme.AppCompat theme (or descendant) with this activity.

                    第二种方法我前面一个项目都能用啊  这个就报错

                    大神们帮看看

结果一样，应用直接挂掉

05-25 21:29:58.115: W/dalvikvm(1922): Unable to resolve superclass of Lcom/lzl/top01/MainActivity; (985)
05-25 21:29:58.115: W/dalvikvm(1922): Link of class 'Lcom/lzl/top01/MainActivity;' failed
05-25 21:29:58.115: W/dalvikvm(1922): Link of class 'Lcom/lzl/top01/MainActivity;' failed
05-25 21:29:58.115: D/AndroidRuntime(1922): Shutting down VM
05-25 21:29:58.115: W/dalvikvm(1922): threadid=1: thread exiting with uncaught exception (group=0xb3cd3b20)

<item name="android:windowNoTitle">true</item>

应该添加 parent= "AppBaseTheme"

试试这个@Override
protected void onCreate(Bundle savedInstanceState) {
requestWindowFeature(Window.FEATURE_NO_TITLE);###
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);