android 莫斯密码转换

android 莫斯密码转换

package com.example.mosstransfer;

import android.annotation.SuppressLint;
import android.content.ClipData;
import android.content.ClipboardManager;
import android.content.Context;
import android.os.Bundle;
import android.view.View;
import android.widget.EditText;
import android.widget.Toast;
import androidx.appcompat.app.AppCompatActivity;
import com.example.tool.R;
import java.util.ArrayList;
import java.util.List;

public class MossTransfer extends AppCompatActivity implements View.OnClickListener {

    private EditText NewStr,OldStr;
    private final String[] strings={"a","b","c","d","e","f","g","h","i","j","k","l","m","n",
    "o","p","q","r","s","t","u","v","w","x","y","z","1","2","3","4","5","6","7","8","9","0","?"
    ,"/","()","-","."};
    private final String[] mossstr={".-","-...","-.-.","-..",".","..-.","--.","....","..",
            ".---","-.-",".-..","--","-.","---",".--.","--.-",".-.","...","-","..-","...-",
            ".--","-..-","-.--","--..",".----","..---","...--","....-",".....","-....","--...",
            "---..","----.","-----","..--..","-..-.","-.--.-","-....-",".-.-.-"};

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_mosstransfer);
        NewStr=findViewById(R.id.newstr);
        OldStr=findViewById(R.id.oldstr);
    }
    @SuppressLint("NonConstantResourceId")
    @Override
    public void onClick(View v) {
        switch (v.getId()){
            case R.id.transfer:
                transfer();
                break;
            case R.id.copy:
                ClipboardManager clipboardManager=(ClipboardManager)getSystemService(Context.CLIPBOARD_SERVICE);
                ClipData clipData=ClipData.newPlainText("Label",NewStr.getText());
                clipboardManager.setPrimaryClip(clipData);
                Toast.makeText(this, "复制成功", Toast.LENGTH_SHORT).show();
                break;
            case R.id.clear:
                NewStr.setText("");
                OldStr.setText("");
                break;
        }

    }
    private void transfer() {
        String inputstr=OldStr.getText().toString().trim().toLowerCase();
        String[] newstr=inputstr.split(" ");
        List list=new ArrayList<>();
        for (String s : newstr) {
            char[] chars = s.toCharArray();
            for (char aChar : chars) {
                int position = getIndex(strings, String.valueOf(aChar));
                list.add(mossstr[position]);
            }
        }
        String newstr1=list.toString()
                .replaceAll(","," ")
                .replaceAll("\[","")
                .replaceAll("]","");
        NewStr.setText(newstr1.trim());
    }
    //得到值在数组中的位置
    public static int getIndex(String[] strings,String str){
        for (int i=0;i 
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