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1 .有时候我们界面的经常因为输入法挡住输入框

if (getActivity() != null) {
       getActivity().getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN);    getActivity().getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_ADJUST_PAN);}

第二种方法

public static void assistActivity (Activity activity) {
           new AndroidBug5497Workaround(activity);    }    private View mChildOfContent;    private int usableHeightPrevious;    private FrameLayout.LayoutParams frameLayoutParams;    private AndroidBug5497Workaround(Activity activity) {
           FrameLayout content = (FrameLayout) activity.findViewById(android.R.id.content);        mChildOfContent = content.getChildAt(0);        mChildOfContent.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
               public void onGlobalLayout() {
                   possiblyResizeChildOfContent();            }        });        frameLayoutParams = (FrameLayout.LayoutParams) mChildOfContent.getLayoutParams();    }    private void possiblyResizeChildOfContent() {
           int usableHeightNow = computeUsableHeight();        if (usableHeightNow != usableHeightPrevious) {
               int usableHeightSansKeyboard = mChildOfContent.getRootView().getHeight();            int heightDifference = usableHeightSansKeyboard - usableHeightNow;            if (heightDifference > (usableHeightSansKeyboard/2)) {
                   // keyboard probably just became visible                frameLayoutParams.height = usableHeightSansKeyboard - heightDifference;            } else {
                   // keyboard probably just became hidden                frameLayoutParams.height = usableHeightSansKeyboard;            }            mChildOfContent.requestLayout();            usableHeightPrevious = usableHeightNow;        }    }    private int computeUsableHeight() {
           Rect r = new Rect();        mChildOfContent.getWindowVisibleDisplayFrame(r);        return (r.bottom - r.top);    }}

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