Android Activity 阻止软键盘自动弹出

在AndroidManifest.xml里面 
选择那个acitivity, 把他的window soft input mode设置成stateHidden和 adjustUnspecified 

<activity     
            android:name=".ClientSearchViewActivity"    
            android:label="@string/app_name"     
            android:screenOrientation="portrait"    
            android:windowSoftInputMode="adjustUnspecified|stateHidden"    
            android:configChanges="orientation|keyboardHidden">    
        </activity>