android自定义软件盘(数字显示顺序随机)

package cn.key; import java.util.ArrayList; import java.util.LinkedList; import java.util.List; import java.util.Random; import android.app.Activity; import android.content.Context; import android.inputmethodservice.Keyboard; import android.inputmethodservice.Keyboard.Key; import android.inputmethodservice.KeyboardView; import android.inputmethodservice.KeyboardView.OnKeyboardActionListener; import android.text.Editable; import android.view.View; import android.widget.EditText; public class KeyboardUtil { @SuppressWarnings("unused") private Context ctx; @SuppressWarnings("unused") private Activity act; private KeyboardView keyboardView; private Keyboard k1;// 字母键盘 private Keyboard k2;// 数字键盘 public boolean isnun = false;// 是否数字键盘 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; List<Key> keyList = k2.getKeys(); //查找出0-9的数字键 List<Key> newkeyList = new ArrayList<Key>(); for (int i=0;i<keyList.size();i++) { if(keyList.get(i).label != null && isNumber(keyList.get(i).label.toString())){ newkeyList.add(keyList.get(i)); } } //数组长度 int count = newkeyList.size(); //结果集 List<KeyModel> resultList = new ArrayList<KeyModel>(); //用一个LinkedList作为中介 LinkedList<KeyModel> temp = new LinkedList<KeyModel>(); //初始化temp for(int i = 0; i<count; i++){ temp.add(new KeyModel(48+i, i+"")); } //取数 Random rand = new Random(); for(int i = 0;i<count; i++){ int num = rand.nextInt(count - i); resultList.add(new KeyModel(temp.get(num).getCode(), temp.get(num).getLable())); temp.remove(num); } for(int i=0;i<newkeyList.size();i++){ newkeyList.get(i).label = resultList.get(i).getLable(); newkeyList.get(i).codes[0] = resultList.get(i).getCode(); } 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 isNumber(String str){ String wordstr = "0123456789"; if(wordstr.indexOf(str) > -1){ return true; } return false; } private boolean isword(String str){ String wordstr = "abcdefghijklmnopqrstuvwxyz"; if (wordstr.indexOf(str.toLowerCase())>-1) { return true; } return false; } }