前言

用于纯数字输入

布局示例

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:background="@android:color/white">

    <EditText
        android:id="@+id/et_num"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginLeft="20dp"
        android:layout_marginRight="20dp"
        android:layout_marginTop="20dp"
        android:background="@drawable/bg_edittext"
        android:hint="键盘"
        android:paddingBottom="12dp"
        android:paddingLeft="10dp"
        android:paddingRight="10dp"
        android:paddingTop="12dp"
        android:textSize="11dp"/>

    <CheckBox
        android:id="@+id/cb_flag"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentRight="true"
        android:layout_below="@id/et_num"
        android:layout_marginRight="20dp"
        android:text="随机键盘"/>

    <include
        layout="@layout/item_keyboard_view"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"/>

</RelativeLayout>

调用示例

public class MainActivity extends AppCompatActivity {

    private EditText mEditText;
    private CheckBox mCbFlag;
    private KeyboardUtil mKeyboardUtil;

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

        initView();
        initData();
        initEvent();
        initListener();
    }


    /**
     * 初始化监听事件
     */
    private void initListener() {
        mKeyboardUtil.setOnCuntomKeyboardListener(new KeyboardUtil.OnCuntomKeyboardListener() {
            @Override
            public void onCancel(boolean aBoolean) {
                if (aBoolean) {
                    Toast.makeText(MainActivity.this, "键盘取消了", Toast.LENGTH_SHORT).show();
                }
            }

            @Override
            public void onEnter(boolean aBoolean) {
                if (aBoolean) {
                    Toast.makeText(MainActivity.this, "键盘按确定了", Toast.LENGTH_SHORT).show();
                }
            }
        });
    }


    /**
     * 初始化View事件
     */
    private void initEvent() {
        mEditText.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                mKeyboardUtil.attachTo(mEditText);
            }
        });

        mCbFlag.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(CompoundButton compoundButton, boolean b) {
                if (b) {
                    mKeyboardUtil = new KeyboardUtil(MainActivity.this, true);
                } else {
                    mKeyboardUtil = new KeyboardUtil(MainActivity.this);
                }
                mKeyboardUtil.hideKeyboard();
            }
        });
    }

    /**
     * 初始化View数据
     */
    private void initData() {
        mKeyboardUtil = new KeyboardUtil(MainActivity.this, false);
    }

    /**
     * 初始化View
     */
    private void initView() {
        mEditText = (EditText) findViewById(R.id.et_num);
        mCbFlag = (CheckBox) findViewById(R.id.cb_flag);
    }
}