solution:

set the windowSoftInputMode property in the corresponding to the interface in the AndroidManifest.xml file

<activity  
         android:name=".PhoneContactActivity"  
         android:label="@string/title_activity_phone_contact"  
         android:windowSoftInputMode="adjustPan|stateHidden" >  
     </activity>  

android:windowSoftInputMode description:

the interaction mode between activity main window and soft keyboard can be used to avoid the problem of input method panel occlusion, a new feature after Android1.5.

this is a performance that affects two things:

1. When focus is generated, whether the soft keyboard is hidden or displayed

2. Whether to reduce the size of the active main window to make room for a soft keyboard

windowSoftInputMode must be one of the values in the following list, or a "state." Value plus a "adjust." A combination of values. Set multiple values in any group-multiple "state." Values, for example & mdash has undefined results. Use "separate" between values.

for example:

the value set here (except for "stateUnspecified" and "adjustUnspecified") will override the value set in the theme

meaning of each value:

1. the state of the stateUnspecified: soft keyboard is not specified, and the system will choose an appropriate state or theme-dependent settings

   stateUnchanged:. When this activity appears, the soft keyboard will remain in the state of the previous activity, whether hidden or shown

   when stateHidden: users choose activity, the soft keyboard is always hidden

   stateAlwaysHidden: when the Activity main window gets focus, the soft keyboard is always hidden

   stateVisible: soft keyboard is usually visible

   when a stateAlwaysVisible: user selects activity, the soft keyboard always shows the status

   adjustUnspecified: is set by default, and it is usually up to the system to decide whether to hide or show

   .

   adjustResize: the Activity always resizes the screen to make room for the soft keyboard

   adjustPan: the contents of the current window will automatically move so that the current focus is never overridden by the keyboard and the user can always see the part of the input

for example:

AndroidManifest.xml<activity>
android:windowSoftInputMode="adjustPan"   
android:windowSoftInputMode="stateVisible|adjustResize"   
android:windowSoftInputMode="adjustPan|stateHidden" 

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