en經(jīng)過幾個(gè)項(xiàng)目的開發(fā)烘豹，對(duì)于Android 軟鍵盤的一些常見問題和解決方案做一下總結(jié)竖配。

鍵盤的顯示與隱藏

先附上一個(gè)寫好的工具類：

/**
 * Created by YBJ on 2016/1/14.
 * 顯示鍵盤d工具類
 */
public class InputMethodUtils {
    /** 顯示軟鍵盤 */
    public static void showInputMethod(View view) {
        InputMethodManager imm = (InputMethodManager) view.getContext()
                                                          .getSystemService(Context.INPUT_METHOD_SERVICE);
        if (imm != null) {
            imm.showSoftInput(view, InputMethodManager.SHOW_IMPLICIT);
        }
    }

    /** 隱藏軟鍵盤 */
    public static void showInputMethod(Context context) {
        InputMethodManager imm = (InputMethodManager) context
            .getSystemService(Context.INPUT_METHOD_SERVICE);
        imm.toggleSoftInput(0, InputMethodManager.HIDE_NOT_ALWAYS);
    }

    /** 多少時(shí)間后顯示軟鍵盤 */
    public static void showInputMethod(final View view, long delayMillis) {
        if (view==null)return;
        // 顯示輸入法
        view.postDelayed(new Runnable() {

            @Override
            public void run() {
                InputMethodUtils.showInputMethod(view);
            }
        }, delayMillis);
    }
}

解決底部輸入框與鍵盤覆蓋沖突

/**
 * 解決底部輸入框和軟鍵盤的問題
 * Created by geyifeng on 2017/5/17.
 */
public class KeyboardPatch {
    private Activity mActivity;
    private View mDecorView;
    private View mContentView;
    private boolean flag = false;

    private KeyboardPatch(Activity activity) {
        this(activity, activity.findViewById(android.R.id.content));
    }

    private KeyboardPatch(Activity activity, View contentView) {
        this.mActivity = activity;
        this.mDecorView = activity.getWindow().getDecorView();
        this.mContentView = contentView;
        if (contentView.equals(activity.findViewById(android.R.id.content))) {
            this.flag = false;
        } else {
            this.flag = true;
        }
    }

    /**
     * Patch keyboard patch.
     *
     * @param activity the activity
     * @return the keyboard patch
     */
    public static KeyboardPatch patch(Activity activity) {
        return new KeyboardPatch(activity);
    }

    /**
     * Patch keyboard patch.
     *
     * @param activity    the activity
     * @param contentView 界面容器虾标，指定布局的根節(jié)點(diǎn)
     * @return the keyboard patch
     */
    public static KeyboardPatch patch(Activity activity, View contentView) {
        return new KeyboardPatch(activity, contentView);
    }

    /**
     * 監(jiān)聽layout變化
     */
    public void enable() {
//        mActivity.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN
//                | WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE);
        mActivity.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE);
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
            mDecorView.getViewTreeObserver().addOnGlobalLayoutListener(onGlobalLayoutListener);//當(dāng)在一個(gè)視圖樹中全局布局發(fā)生改變或者視圖樹中的某個(gè)視圖的可視狀態(tài)發(fā)生改變時(shí)另绩，所要調(diào)用的回調(diào)函數(shù)的接口類
        }
    }

    /**
     * 取消監(jiān)聽
     */
    public void disable() {
//        mActivity.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN
//                | WindowManager.LayoutParams.SOFT_INPUT_ADJUST_PAN);
        mActivity.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_ADJUST_PAN);
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
            mDecorView.getViewTreeObserver().removeOnGlobalLayoutListener(onGlobalLayoutListener);
        }
    }

    private ViewTreeObserver.OnGlobalLayoutListener onGlobalLayoutListener = new ViewTreeObserver.OnGlobalLayoutListener() {
        @Override
        public void onGlobalLayout() {
            Rect r = new Rect();
            mDecorView.getWindowVisibleDisplayFrame(r); //獲取當(dāng)前窗口可視區(qū)域大小的
            int height = mDecorView.getContext().getResources().getDisplayMetrics().heightPixels; //獲取屏幕密度爆班，不包含導(dǎo)航欄
            int diff = height - r.bottom;
            if (diff > 0) {
                if (mContentView.getPaddingBottom() != diff) {
                    if (flag || (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP && !OSUtils.isEMUI3_1())) {
                        mContentView.setPadding(0, 0, 0, diff);
                    } else {
                        mContentView.setPadding(0, 0, 0, diff + TranslucentBar.getNavigationBarHeight(mActivity));
                    }
                }
            } else {
                if (mContentView.getPaddingBottom() != 0) {
                    if (flag || (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP && !OSUtils.isEMUI3_1())) {
                        mContentView.setPadding(0, 0, 0, 0);
                    } else {
                        mContentView.setPadding(0, 0, 0, TranslucentBar.getNavigationBarHeight(mActivity));
                    }
                }
            }
        }
    };
}