自定义键盘组装类

CustomKeyboard.java

import android.app.Activity;
import android.content.Context;
import android.graphics.PixelFormat;
import android.inputmethodservice.Keyboard;
import android.inputmethodservice.KeyboardView;
import android.text.Editable;
import android.text.InputType;
import android.view.ActionMode;
import android.view.Gravity;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.view.WindowManager;
import android.view.inputmethod.InputMethodManager;
import android.widget.EditText;

/**
 * Created by quhaofeng on 17/2/22.
 * 自定义键盘组装类
 */

public class CustomKeyboard {

    public final static int CodeGrab = -10; //
    public final static int CodeDelete = -5; // Keyboard.KEYCODE_DELETE
    public final static int CodeCancel = -3; // Keyboard.KEYCODE_CANCEL
    public final static int CodePrev = 55000;
    public final static int CodeAllLeft = 55001;
    public final static int CodeLeft = 55002;
    public final static int CodeRight = 55003;
    public final static int CodeAllRight = 55004;
    public final static int CodeNext = 55005;
    public final static int CodeClear = 55006;

    public final static int CodeCellUp = 1001;
    public final static int CodeCellDown = 1002;
    public final static int CodeCellLeft = 1003;
    public final static int CodeCellRight = 1004;
    public final static int CodeDecimalpoint = 46;
    public final static int CodeZero = 48;
    public final static int dd = Keyboard.KEYCODE_DONE;

    private KeyboardView mKeyboardView;
    private Activity mHostActicity;
    private EditText mEditText;
    private OnDoneClickListener mListener;
    private WindowManager mWindowManager;

    /**
     * 使用自定义键盘
     *
     * @param acticity     宿主Activity，用于隐藏系统自带键盘
     * @param keyboard     keyboard布局，注意Keyboard的第一个参数，尽量用ApplicationContext
     * @param keyboardView 在layout文件中的布局对象
     */
    public CustomKeyboard(Activity acticity, Keyboard keyboard, KeyboardView keyboardView) {
        mHostActicity = acticity;
        mKeyboardView = keyboardView;
        mKeyboardView.setKeyboard(keyboard);
        mKeyboardView.setOnKeyboardActionListener(mOnKeyboardActionListener);
        mHostActicity.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN);
    }

    private KeyboardView.OnKeyboardActionListener mOnKeyboardActionListener = new KeyboardView.OnKeyboardActionListener() {
        @Override
        public void onPress(int primaryCode) {

        }

        @Override
        public void onRelease(int primaryCode) {

        }

        @Override
        public void onKey(int primaryCode, int[] keyCodes) {
            if (!mEditText.isFocused()) {
                return;
            }

            EditText edittext = mEditText;
            Editable editable = edittext.getText();
            int start = edittext.getSelectionStart();
            int end = edittext.getSelectionEnd();
            // Apply the key to the edittext
            // 根据primaryCode的值进行功能处理
            if (primaryCode == CodeCancel) {
                hideKeyboard();
            } else if (primaryCode == CodeDelete) {
                if (editable != null && start > 0) {
                    editable.delete(start - 1, start);
                } else if (editable != null && start != end) { // delete selection
                    editable.delete(start, end);
                }
            } else if (primaryCode == CodeClear) {
                if (editable != null) editable.clear();
            } else if (primaryCode == CodeLeft) {
                if (start > 0) edittext.setSelection(start - 1);
            } else if (primaryCode == CodeRight) {
                if (start < edittext.length()) edittext.setSelection(start + 1);
            } else if (primaryCode == CodeAllLeft) {
                edittext.setSelection(0);
            } else if (primaryCode == CodeAllRight) {
                edittext.setSelection(edittext.length());
            } else if (primaryCode == CodePrev) {
                View focusNew = edittext.focusSearch(View.FOCUS_BACKWARD);
                if (focusNew != null) focusNew.requestFocus();
            } else if (primaryCode == CodeNext) {
                View focusNew = edittext.focusSearch(View.FOCUS_FORWARD);
                if (focusNew != null) focusNew.requestFocus();
                else if (primaryCode == CodeCellUp || primaryCode == CodeCellDown || primaryCode == CodeCellLeft || primaryCode == CodeCellRight) {
                    // TODO
                } else if (primaryCode == CodeGrab) {

                }
            } else if (primaryCode == Keyboard.KEYCODE_DONE) {
                mListener.onDoneClick();
                hideKeyboard();
            } else if (primaryCode == -100) {//自定义code
                if (start != end) {
                    editable.delete(start, end);
                }
                editable.insert(start, "00");
            } else { // insert character
                ///////////////////////////////////////////////////////////////////////
                ////////////////////////////////////////////////////////////////////
                /////////////////////////////
                if (start != end) {
                    editable.delete(start, end);
                }
                editable.insert(start, Character.toString((char) primaryCode));
            }
        }

        @Override
        public void onText(CharSequence text) {

        }

        @Override
        public void swipeLeft() {

        }

        @Override
        public void swipeRight() {

        }

        @Override
        public void swipeDown() {

        }

        @Override
        public void swipeUp() {

        }
    };

    public boolean isTestKeyboardVisible() {
        return mKeyboardView.getVisibility() == View.VISIBLE;
    }

    public void showKeyboard(View v) {
        mKeyboardView.setVisibility(View.VISIBLE);
        mKeyboardView.setEnabled(true);
        if (v != null)
            ((InputMethodManager) mHostActicity.getSystemService(Activity.INPUT_METHOD_SERVICE)).hideSoftInputFromWindow(v.getWindowToken(), 0);
    }

    public void hideKeyboard() {
        mKeyboardView.setVisibility(View.GONE);
        mKeyboardView.setEnabled(false);
    }

    public void registerEditText(EditText edittext) {
        // Find the EditText 'resid'
        //EditText edittext = (EditText) mHostActicity.findViewById(resid);
        // Make the custom keyboard appear
        mEditText = edittext;
        edittext.setOnFocusChangeListener(new View.OnFocusChangeListener() {
            @Override
            public void onFocusChange(View v, boolean hasFocus) {
                if (hasFocus) showKeyboard(v);
                else hideKeyboard();
            }
        });
        edittext.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                showKeyboard(v);
            }
        });
        // Disable standard keyboard hard way
        edittext.setOnTouchListener(new View.OnTouchListener() {
            @Override
            public boolean onTouch(View v, MotionEvent event) {
                EditText edittext = (EditText) v;
                int inType = edittext.getInputType();       // Backup the input type
                edittext.setInputType(InputType.TYPE_NULL); // Disable standard keyboard
                edittext.onTouchEvent(event);               // Call native handler
                edittext.setInputType(inType);              // Restore input type
                return true; // Consume touch event
            }
        });
        //去掉选择粘贴的操作
        edittext.setCustomSelectionActionModeCallback(new ActionMode.Callback() {
            @Override
            public boolean onCreateActionMode(ActionMode mode, Menu menu) {
                return false;
            }

            @Override
            public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
                return false;
            }

            @Override
            public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
                return false;
            }

            @Override
            public void onDestroyActionMode(ActionMode mode) {

            }
        });
        // Disable spell check (hex strings look like words to Android)
        edittext.setInputType(edittext.getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS);
    }

    /**
     * 设置移动位置
     *
     * @param x
     * @param y
     */
    public void moveTo(int x, int y) {
        int[] edLocation = {0, 0};
        ViewGroup.MarginLayoutParams params = (ViewGroup.MarginLayoutParams) mKeyboardView.getLayoutParams();
        params.leftMargin = x;// inScreenCoordinates.left;
        params.topMargin = y;//inScreenCoordinates.top;
        mKeyboardView.setLayoutParams(params);
    }

    public void setOnDoneClickListener(OnDoneClickListener listener) {
        mListener = listener;
    }

    public interface OnDoneClickListener {
        void onDoneClick();
    }
}