Android 基于身份证号的自定义键盘

上图上代码

public class MainActivity extends AppCompatActivity {

    EditText writebankcard_mobileedit;
    CustomKeyboard mCustomKeyboard;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        writebankcard_mobileedit = (EditText) findViewById(R.id.writebankcard_mobileedit);

        //1 屏蔽掉系统默认输入法
        if (Build.VERSION.SDK_INT <= 10) {
            writebankcard_mobileedit.setInputType(InputType.TYPE_NULL);
        } else {
            getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN);
            try {
                Class<EditText> cls = EditText.class;
                Method setShowSoftInputOnFocus = cls.getMethod("setShowSoftInputOnFocus", boolean.class);
                setShowSoftInputOnFocus.setAccessible(true);
                setShowSoftInputOnFocus.invoke(writebankcard_mobileedit, false);
            } catch (Exception e) {
                e.printStackTrace();
            }
        }

        //2 初试化键盘
        MyKeyboardView keyboardView = (MyKeyboardView) findViewById(R.id.customKeyboard);
        mCustomKeyboard = new CustomKeyboard(MainActivity.this, keyboardView, writebankcard_mobileedit);
        mCustomKeyboard.showKeyboard();

        writebankcard_mobileedit.setOnTouchListener(new View.OnTouchListener() {
            @Override
            public boolean onTouch(View v, MotionEvent event) {
                mCustomKeyboard.showKeyboard();
                return false;
            }
        });
    }

    //物理返回键
    @Override
    public void onBackPressed() {
        if (mCustomKeyboard.isShowKeyboard()){
            mCustomKeyboard.hideKeyboard();
        }else {
            finish();
        }
    }
}

public class CustomKeyboard {

    private EditText mEdittext;
    private MyKeyboardView mKeyboardView;
    private Keyboard mKeyboard;

    public CustomKeyboard(Context context, MyKeyboardView keyboardView, EditText editText) {
        this.mEdittext = editText;
        mKeyboard = new Keyboard(context, R.xml.keyboard);//从xml中加载自定义的键盘
        mKeyboardView = keyboardView;
        mKeyboardView.setContext(context);
        mKeyboardView.setKeyboard(mKeyboard);
        mKeyboardView.setPreviewEnabled(false);
        mKeyboardView.setOnKeyboardActionListener(actionListener);
    }

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

        @Override
        public void onRelease(int primaryCode) {

        }

        @Override
        public void onKey(int primaryCode, int[] keyCodes) {
            Editable editable = mEdittext.getText();
            int index = mEdittext.getSelectionStart();//光标位置
            switch (primaryCode) {

                case Keyboard.KEYCODE_DELETE://回退
                    if (editable != null && editable.length() > 0) {
                        if (index > 0) {
                            editable.delete(index - 1, index);
                        }
                    }
                    break;
                case 9995://重输
                    mEdittext.setText("");
                    break;
                case 9994://左移
                    if (index > 0) {
                        mEdittext.setSelection(index - 1);
                    }
                    break;
                case 9996://右移
                    if (index < mEdittext.length()) {
                        mEdittext.setSelection(index + 1);
                    }
                    break;
                default:
                    editable.insert(index, Character.toString((char) primaryCode));
                    break;
            }
        }

        @Override
        public void onText(CharSequence text) {

        }

        @Override
        public void swipeLeft() {

        }

        @Override
        public void swipeRight() {

        }

        @Override
        public void swipeDown() {

        }

        @Override
        public void swipeUp() {

        }
    };

    public void showKeyboard() {
        if (mKeyboardView.getVisibility() != View.VISIBLE) {
            mKeyboardView.setVisibility(View.VISIBLE);
        }
    }

    public void hideKeyboard() {
        if (mKeyboardView.getVisibility() == View.VISIBLE) {
            mKeyboardView.setVisibility(View.GONE);
        }
    }

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

}

public class MyKeyboardView extends KeyboardView {

    private Context context;

    public MyKeyboardView(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    public void setContext(Context context) {
        this.context = context;
    }

    @Override
    public void onDraw(Canvas canvas) {
        super.onDraw(canvas);
       /* List<Keyboard.Key> keys = getKeyboard().getKeys();
        for(Keyboard.Key key: keys) {
            if(key.label.equals("delete"))
                resetOKBtn(key, canvas);
        }*/
    }

    /**
     * 绘制OK键的点9图
     * @author Song
     * @param key
     * @param canvas
     */
    private void resetOKBtn(Keyboard.Key key, Canvas canvas) {
        //将OK键重新绘制
       /* Drawable npd = (Drawable) context.getResources().getDrawable(R.mipmap.icon_number_del);
        npd.setBounds(key.x, key.y + 1, key.x + key.width, key.y + key.height + 1);
        npd.draw(canvas);*/
    }
}

键盘点击变色

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android" >
    <item android:state_pressed="true" >
        <color android:color="#d1d5db"/>
    </item>
    <item android:state_pressed="false" >
        <color android:color="#ffffff"/>
    </item>
</selector>

光标颜色

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle">
    <size android:width="2px" />
    <solid android:color="#000000"  />
</shape>

键盘

<?xml version="1.0" encoding="utf-8"?>
<Keyboard xmlns:android="http://schemas.android.com/apk/res/android"
    android:horizontalGap="3px"
    android:verticalGap="3px"
    android:keyHeight="50dp"
    android:keyWidth="33.33%p">
    <Row>
        <Key
            android:codes="49"
            android:keyLabel="1" />
        <Key
            android:codes="50"
            android:keyLabel="2" />
        <Key
            android:codes="51"
            android:keyLabel="3" />
    </Row>
    <Row>
        <Key
            android:codes="52"
            android:keyLabel="4" />
        <Key
            android:codes="53"
            android:keyLabel="5" />
        <Key
            android:codes="54"
            android:keyLabel="6" />
    </Row>
    <Row>
        <Key
            android:codes="55"
            android:keyLabel="7" />
        <Key
            android:codes="56"
            android:keyLabel="8" />
        <Key
            android:codes="57"
            android:keyLabel="9" />
    </Row>
    <Row>
        <Key
            android:codes="88"
            android:keyLabel="X"
            />
        <Key
            android:codes="48"
            android:keyLabel="0" />
        <Key
            android:codes="-5"
            android:keyIcon="@mipmap/icon_number_del"/>
    </Row>
</Keyboard>

demo地址 https://github.com/huanyi0723/VipKeyboardTest