Android软键盘遮挡布局的解决办法

概述AndroidBug5497Workaround.classpublicclassAndroidBug5497Workaround{//Formoreinformation,seehttps://issuetracker.google.com/issues/36911528//Tousethisclass,simplyinvokeassistActivity()onanActivitythatalreadyhasitscontentvi

AndroIDBUG5497Workaround.class@H_404_1@

public class AndroIDBUG5497Workaround {    // For more information, see https://issuetracker.Google.com/issues/36911528    // To use this class, simply invoke assistActivity() on an Activity that already has its content vIEw set.    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/4)) {                // 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);    }}

AndroIDBUG5497Workaround.assistActivity(this);@H_404_1@

参考：@H_404_1@Android爬坑之旅：软键盘挡住输入框问题的终极解决方案Android How to adjust layout in Full Screen Mode when softkeyboard is visible 总结

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