about hide the keyboard

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hi 
        I using  cordova 3.0  I need to hide the keyboard but it didn’t work
here is my androidmanifest.xml

<?xml version='1.0' encoding='utf-8'?>
<manifest android:hardwareAccelerated="true" android:versionCode="7"  
android:versionName="1.0.2"  package="com.kzl.kzl_store" 
xmlns:android="http://schemas.android.com/apk/res/android";>
    <supports-screens android:anyDensity="true" android:largeScreens="true" 
android:normalScreens="true" android:resizeable="true" 
android:smallScreens="true" android:xlargeScreens="true" />
    
    <application android:debuggable="true" android:hardwareAccelerated="true"   
 android:icon="@drawable/icon" android:label="@string/app_name">
        <activity android:screenOrientation="portrait"
            android:windowSoftInputMode="stateAlwaysHidden|adjustResize" 
            android:label="@string/app_name" android:name="kzl_store">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
<activity
    android:name="com.google.zxing.client.android.CaptureActivity"
            android:screenOrientation="landscape"
            android:clearTaskOnLaunch="true"
            android:configChanges="orientation|keyboardHidden"
           
            android:windowSoftInputMode="stateAlwaysHidden"
            android:exported="false">
            <intent-filter>
                <action 
android:name="com.phonegap.plugins.barcodescanner.SCAN"/>
                <category android:name="android.intent.category.DEFAULT"/>
            </intent-filter>
</activity>
            <activity 
android:name="com.google.zxing.client.android.encode.EncodeActivity" 
android:label="edc">
                <intent-filter>
                    <action 
android:name="com.phonegap.plugins.barcodescanner.ENCODE"/>
                    <category android:name="android.intent.category.DEFAULT"/>
                </intent-filter>
            </activity>
            <activity 
android:name="com.google.zxing.client.android.HelpActivity" 
android:label="scan">
                <intent-filter>
                    <action android:name="android.intent.action.VIEW"/>
                    <category android:name="android.intent.category.DEFAULT"/>
                </intent-filter>
            </activity>
        
    </application>
    <uses-sdk android:minSdkVersion="10" android:targetSdkVersion="17" />
    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.READ_CONTACTS" />
    <uses-permission android:name="android.permission.WRITE_CONTACTS" />
    <uses-permission android:name="android.permission.GET_ACCOUNTS" />
    <uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" />
    <uses-permission android:name="android.permission.RECORD_VIDEO" />
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
    <uses-permission android:name="android.permission.VIBRATE" />
     <uses-permission android:name="android.permission.CAMERA" />
    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.VIBRATE" />
    <uses-permission android:name="android.permission.FLASHLIGHT" />
    <uses-permission android:name="android.permission.READ_CONTACTS" />
    <uses-permission 
android:name="com.android.browser.permission.READ_HISTORY_BOOKMARKS" />
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
</manifest>



and  here  it’s my java code
super.onCreate(savedInstanceState);
    
        
        super.init();
        
        super.loadUrl(Config.getStartUrl());
        
        
((InputMethodManager)getSystemService(INPUT_METHOD_SERVICE)).hideSoftInputFromWindow(this.getCurrentFocus().getWindowToken(),
 InputMethodManager.HIDE_NOT_ALWAYS);

it’s cordova problem or webview ’s problem


My English is very bad Hope you can Understand and Reply me soon