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适配Android11键盘的高度

适配Android11键盘的高度

作者: 霁逸lei | 来源:发表于2024-04-16 14:18 被阅读0次
    public void addSoftKeyBoardListener(final Activity activity){
        //android 11以上通过监听动画计算系统键盘高度
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
            invokeAbove31(activity);
            return;
        }
        SoftKeyBoardListener.setListener(activity,new SoftKeyBoardListener.OnSoftKeyBoardChangeListener() {
            @Override
            public void keyBoardShow(final int height) {
                mHandler.postDelayed(new Runnable() {
                    @Override
                    public void run() {
                        int virtualBarHeight = GetNotConsistentHeight() - getNavigationBarHeight(activity);
                        sendKeyBoardChangeMsg(1,Math.max(virtualBarHeight, height));
                        Log.d("invokeAbove31","keyBoardShow virtualBarHeight:"+virtualBarHeight+",height:"+height);
                    }
                }, 300);
            }
    
            @Override
            public void keyBoardHide(int height) {
                sendKeyBoardChangeMsg(0,height);
                Log.d("invokeAbove31","keyBoardHide :height:"+height);
            }
        });
    }
    
    public void sendKeyBoardChangeMsg(int showFlag,int height){
        JSONObject theJSonParam = new JSONObject();
        try {
            theJSonParam.put("showFlag",showFlag);
            theJSonParam.put("height",height);
            theJSonParam.put("density", getDensity());
            //发消息通知显示隐藏系统键盘
            //sendMsg(KEY_TdxSysKeyBoardStateChange,theJSonParam.toString());
        } catch (JSONException e) {
            e.printStackTrace();
        }
    }
    
    int height;
    @RequiresApi(api = 30)
    private void invokeAbove31(Activity activity) {
        activity.getWindow().getDecorView().setWindowInsetsAnimationCallback(new WindowInsetsAnimation.Callback(DISPATCH_MODE_STOP) {
            @NonNull
            @Override
            public WindowInsets onProgress(@NonNull WindowInsets windowInsets, @NonNull List<WindowInsetsAnimation> list) {
    
                int imeHeight = windowInsets.getInsets(WindowInsetsCompat.Type.ime()).bottom;
                int navHeight = windowInsets.getInsets(WindowInsetsCompat.Type.navigationBars()).bottom;
    
                boolean hasNavigationBar = windowInsets.isVisible(WindowInsetsCompat.Type.navigationBars()) &&
                        windowInsets.getInsets(WindowInsetsCompat.Type.navigationBars()).bottom > 0;
                height = hasNavigationBar ? Math.max(imeHeight - navHeight, 0) : imeHeight;
                return windowInsets;
            }
    
            @Override
            public void onEnd(@NonNull WindowInsetsAnimation animation) {
                super.onEnd(animation);
                // 键盘弹起height>0  键盘收起height == 0
                sendKeyBoardChangeMsg(height > 0 ? 1 : 0,height);
            }
        });
    }
    
    public int GetNotConsistentHeight()//有些虚拟键在某些情况下导致高度不一致  影响布局
    {
        if(getWindow()==null||getWindow().getDecorView()==null)
            return 0;
        int height = 0;
        Rect frame = new Rect();
        getWindow().getDecorView().getWindowVisibleDisplayFrame(frame);
        int fromToBottomHeight = frame.bottom;
        int screenHeigh = getHeightDpi();
        height = screenHeigh - fromToBottomHeight;
        return height;
    }
    
    /**
     * 获取虚拟按键的高度
     */
    public int getNavigationBarHeight(Activity activity) {
        int result = 0;
        if (hasNavBar(activity)) {
            Resources res = activity.getResources();
            int resourceId = res.getIdentifier("navigation_bar_height", "dimen", "android");
            if (resourceId > 0) {
                result = res.getDimensionPixelSize(resourceId);
            }
        }
        return result;
    }
    
    public float getDensity(){
        // 获取当前Activity的DisplayMetrics对象
        DisplayMetrics displayMetrics = new DisplayMetrics();
        getWindowManager().getDefaultDisplay().getMetrics(displayMetrics);
    
        // 从DisplayMetrics中获取density
        return displayMetrics.density;
    }

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