• keyboard键盘demo


    main.xml

    <?xml version="1.0" encoding="utf-8"?>
    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:orientation="vertical" >
    
        <EditText
            android:id="@+id/edit"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content" />
    
        <EditText
            android:id="@+id/edit1"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:password="true" />
    
        <RelativeLayout
            android:layout_width="fill_parent"
            android:layout_height="wrap_content" >
    
            <android.inputmethodservice.KeyboardView
                android:id="@+id/keyboard_view"
                android:layout_width="fill_parent"
                android:layout_height="wrap_content"
                android:layout_alignParentBottom="true"
                android:focusable="true"
                android:focusableInTouchMode="true"
                android:background="@color/lightblack"
                android:keyBackground="@drawable/btn_keyboard_key" 
                android:keyTextColor="@color/white"
                android:keyPreviewLayout="@layout/key_preview_layout"
                android:visibility="gone" />
        </RelativeLayout>
    
    </LinearLayout>

    key_preview_layout.xml

    <?xml version="1.0" encoding="utf-8"?>
    <TextView xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:textSize="40sp"
    android:textColor="@color/font_red"
    android:gravity="center"
    android:background="@color/blue"/>

    qwerty.xml

    <?xml version="1.0" encoding="UTF-8"?>
    <Keyboard android:keyWidth="10.000002%p" android:keyHeight="@dimen/key_height"
        android:horizontalGap="0.0px" android:verticalGap="0.0px"
        xmlns:android="http://schemas.android.com/apk/res/android">
        <Row>
            <Key android:codes="113" android:keyEdgeFlags="left"
                android:keyLabel="q" />
            <Key android:codes="119" android:keyLabel="w" />
            <Key android:codes="101" android:keyLabel="e" />
            <Key android:codes="114" android:keyLabel="r" />
            <Key android:codes="116" android:keyLabel="t" />
            <Key android:codes="121" android:keyLabel="y" />
            <Key android:codes="117" android:keyLabel="u" />
            <Key android:codes="105" android:keyLabel="i" />
            <Key android:codes="111" android:keyLabel="o" />
            <Key android:codes="112" android:keyEdgeFlags="right"
                android:keyLabel="p" />
        </Row>
        <Row>
            <Key android:horizontalGap="4.999995%p" android:codes="97"
                android:keyEdgeFlags="left" android:keyLabel="a" />
            <Key android:codes="115" android:keyLabel="s" />
            <Key android:codes="100" android:keyLabel="d" />
            <Key android:codes="102" android:keyLabel="f" />
            <Key android:codes="103" android:keyLabel="g" />
            <Key android:codes="104" android:keyLabel="h" />
            <Key android:codes="106" android:keyLabel="j" />
            <Key android:codes="107" android:keyLabel="k" />
            <Key android:codes="108" android:keyEdgeFlags="right"
                android:keyLabel="l" />
        </Row>
        <Row>
            <Key android:keyWidth="14.999998%p" android:codes="-1"
                android:keyEdgeFlags="left" android:isModifier="true"
                android:isSticky="true" android:keyIcon="@drawable/sym_keyboard_shift" />
            <Key android:codes="122" android:keyLabel="z" />
            <Key android:codes="120" android:keyLabel="x" />
            <Key android:codes="99" android:keyLabel="c" />
            <Key android:codes="118" android:keyLabel="v" />
            <Key android:codes="98" android:keyLabel="b" />
            <Key android:codes="110" android:keyLabel="n" />
            <Key android:codes="109" android:keyLabel="m" />
            <Key android:keyWidth="14.999998%p" android:codes="-5"
                android:keyEdgeFlags="right" android:isRepeatable="true"
                android:keyIcon="@drawable/sym_keyboard_delete" />
        </Row>
        <Row android:rowEdgeFlags="bottom">
            <Key android:keyWidth="20.000004%p" android:codes="-2"
                android:keyLabel="12#" />
            <Key android:keyWidth="14.999998%p" android:codes="44"
                android:keyLabel="," />
            <Key android:keyWidth="29.999996%p" android:codes="32"
                android:isRepeatable="true" android:keyIcon="@drawable/sym_keyboard_space" />
            <Key android:keyWidth="14.999998%p" android:codes="46"
                android:keyLabel="." />
            <Key android:keyWidth="20.000004%p" android:codes="-3"
                android:keyEdgeFlags="right" android:keyLabel="完成" />
        </Row>
    </Keyboard>

    symbols.xml

    <?xml version="1.0" encoding="utf-8"?>
    <Keyboard xmlns:android="http://schemas.android.com/apk/res/android"
        android:keyWidth="25%p" android:horizontalGap="0px"
        android:verticalGap="0px" android:keyHeight="@dimen/key_height">
        <Row>
            <Key android:codes="49" android:keyLabel="1" />
            <Key android:codes="50" android:keyLabel="2" />
            <Key android:codes="51" android:keyLabel="3" />
            <Key android:codes="57419" android:keyEdgeFlags="right"
                android:keyIcon="@drawable/sym_keyboard_left" />
        </Row>
        <Row>
            <Key android:codes="52" android:keyLabel="4" />
            <Key android:codes="53" android:keyLabel="5" />
            <Key android:codes="54" android:keyLabel="6" />
            <Key android:codes="57421" android:keyEdgeFlags="right"
                android:keyIcon="@drawable/sym_keyboard_right" />
        </Row>
        <Row>
            <Key android:codes="55" android:keyLabel="7" />
            <Key android:codes="56" android:keyLabel="8" />
            <Key android:codes="57" android:keyLabel="9" />
            <Key android:codes="-3" android:keyHeight="100dip"
                android:keyEdgeFlags="right" android:isRepeatable="true"
                android:keyLabel="完成" />
        </Row>
        <Row>
            <Key android:codes="-2" android:keyLabel="ABC" />
            <Key android:codes="48" android:keyLabel="0" />
            <Key android:codes="-5" android:keyIcon="@drawable/sym_keyboard_delete" />
        </Row>
    </Keyboard>

    btn_keyboard_key.xml

    <?xml version="1.0" encoding="UTF-8"?>
    <selector
      xmlns:android="http://schemas.android.com/apk/res/android">
        <item android:state_pressed="true" android:drawable="@drawable/normal_key_hl_bg" />
        <item android:drawable="@drawable/normal_key_bg" />
    </selector>

    KeydemoActivity

    package cn.key;
    
    import java.io.IOException;
    
    import org.xmlpull.v1.XmlPullParserException;
    
    import android.app.Activity;
    import android.content.Context;
    import android.os.Bundle;
    import android.text.InputType;
    import android.view.MotionEvent;
    import android.view.View;
    import android.view.View.OnTouchListener;
    import android.widget.EditText;
    
    public class KeydemoActivity extends Activity {
        private Context ctx;
        private Activity act;
        private EditText edit;
        private EditText edit1;
    
        @Override
        public void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.main);
            ctx = this;
            act = this;
    
            edit = (EditText) this.findViewById(R.id.edit);
            edit.setInputType(InputType.TYPE_NULL);
    
            edit1 = (EditText) this.findViewById(R.id.edit1);
    
            edit.setOnTouchListener(new OnTouchListener() {
                @Override
                public boolean onTouch(View v, MotionEvent event) {
                    new KeyboardUtil(act, ctx, edit).showKeyboard();
                    return false;
                }
            });
    
            edit1.setOnTouchListener(new OnTouchListener() {
                @Override
                public boolean onTouch(View v, MotionEvent event) {
                    int inputback = edit1.getInputType();
                    edit1.setInputType(InputType.TYPE_NULL);
                    new KeyboardUtil(act, ctx, edit1).showKeyboard();
                    edit1.setInputType(inputback);
                    return false;
                }
            });
    
        }
    }

    KeyboardUtil

    package cn.key;
    
    import java.util.List;
    
    import android.app.Activity;
    import android.content.Context;
    import android.inputmethodservice.Keyboard;
    import android.inputmethodservice.KeyboardView;
    import android.inputmethodservice.Keyboard.Key;
    import android.inputmethodservice.KeyboardView.OnKeyboardActionListener;
    import android.text.Editable;
    import android.view.View;
    import android.widget.EditText;
    
    public class KeyboardUtil {
        private Context ctx;
        private Activity act;
        private KeyboardView keyboardView;
        private Keyboard k1;// 字母键盘
        private Keyboard k2;// 数字键盘
        public boolean isnun = false;// 是否数据键盘
        public boolean isupper = false;// 是否大写
    
        private EditText ed;
    
        public KeyboardUtil(Activity act, Context ctx, EditText edit) {
            this.act = act;
            this.ctx = ctx;
            this.ed = edit;
            k1 = new Keyboard(ctx, R.xml.qwerty);
            k2 = new Keyboard(ctx, R.xml.symbols);
            keyboardView = (KeyboardView) act.findViewById(R.id.keyboard_view);
            keyboardView.setKeyboard(k1);
            keyboardView.setEnabled(true);
            keyboardView.setPreviewEnabled(true);
            keyboardView.setOnKeyboardActionListener(listener);
        }
    
        private OnKeyboardActionListener listener = new OnKeyboardActionListener() {
            @Override
            public void swipeUp() {
            }
    
            @Override
            public void swipeRight() {
            }
    
            @Override
            public void swipeLeft() {
            }
    
            @Override
            public void swipeDown() {
            }
    
            @Override
            public void onText(CharSequence text) {
            }
    
            @Override
            public void onRelease(int primaryCode) {
            }
    
            @Override
            public void onPress(int primaryCode) {
            }
    
            @Override
            public void onKey(int primaryCode, int[] keyCodes) {
                Editable editable = ed.getText();
                int start = ed.getSelectionStart();
                if (primaryCode == Keyboard.KEYCODE_CANCEL) {// 完成
                    hideKeyboard();
                } else if (primaryCode == Keyboard.KEYCODE_DELETE) {// 回退
                    if (editable != null && editable.length() > 0) {
                        if (start > 0) {
                            editable.delete(start - 1, start);
                        }
                    }
                } else if (primaryCode == Keyboard.KEYCODE_SHIFT) {// 大小写切换
                    changeKey();
                    keyboardView.setKeyboard(k1);
    
                } else if (primaryCode == Keyboard.KEYCODE_MODE_CHANGE) {// 数字键盘切换
                    if (isnun) {
                        isnun = false;
                        keyboardView.setKeyboard(k1);
                    } else {
                        isnun = true;
                        keyboardView.setKeyboard(k2);
                    }
                } else if (primaryCode == 57419) { // go left
                    if (start > 0) {
                        ed.setSelection(start - 1);
                    }
                } else if (primaryCode == 57421) { // go right
                    if (start < ed.length()) {
                        ed.setSelection(start + 1);
                    }
                } else {
                    editable.insert(start, Character.toString((char) primaryCode));
                }
            }
        };
        
        /**
         * 键盘大小写切换
         */
        private void changeKey() {
            List<Key> keylist = k1.getKeys();
            if (isupper) {//大写切换小写
                isupper = false;
                for(Key key:keylist){
                    if (key.label!=null && isword(key.label.toString())) {
                        key.label = key.label.toString().toLowerCase();
                        key.codes[0] = key.codes[0]+32;
                    }
                }
            } else {//小写切换大写
                isupper = true;
                for(Key key:keylist){
                    if (key.label!=null && isword(key.label.toString())) {
                        key.label = key.label.toString().toUpperCase();
                        key.codes[0] = key.codes[0]-32;
                    }
                }
            }
        }
    
        public void showKeyboard() {
            int visibility = keyboardView.getVisibility();
            if (visibility == View.GONE || visibility == View.INVISIBLE) {
                keyboardView.setVisibility(View.VISIBLE);
            }
        }
        
        public void hideKeyboard() {
            int visibility = keyboardView.getVisibility();
            if (visibility == View.VISIBLE) {
                keyboardView.setVisibility(View.INVISIBLE);
            }
        }
        
        private boolean isword(String str){
            String wordstr = "abcdefghijklmnopqrstuvwxyz";
            if (wordstr.indexOf(str.toLowerCase())>-1) {
                return true;
            }
            return false;
        }
    
    }
  • 相关阅读:
    数据库性能优化
    AutoDetectChangesEnabled及AddRange解决EF插入的性能问题
    实体框架 5 性能注意事项
    使用JS传递数组型数据回服务器
    Code First配合Entity Framework Power Tools Beta 4使用
    HighChart 体验之旅 (后台传递JSON参数和数据的方法)
    System.Transactions事务超时设置
    ASP.NET站点部署相关
    js 字符串转化成数字
    发布.net 4.0的站点到IIS7.5下时无法访问
  • 原文地址:https://www.cnblogs.com/yaowen/p/5442315.html
走看看 - 开发者的网上家园