package com.example.win10.createid;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.RadioGroup;
import android.widget.TextView;

import java.util.Random;

public class MainActivity extends AppCompatActivity{
private Button b1;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    b1=(Button) findViewById(R.id.b1);
}
public void creat(View v){
    TextView tx1,tx2,tx3,tx4,tx5,tx6,tx7,tx8,tx9,tx10;
    EditText ed1,ed2;
    String F,S,s ;
    int first ,second,all=0;
    Random ran = new Random();
    int[] number = new int[11];
    tx1=findViewById(R.id.tx1);
    tx2=findViewById(R.id.tx2);
    tx3=findViewById(R.id.tx3);
    tx4=findViewById(R.id.tx4);
    tx5=findViewById(R.id.tx5);
    tx6=findViewById(R.id.tx6);
    tx7=findViewById(R.id.tx7);
    tx8=findViewById(R.id.tx8);
    tx9=findViewById(R.id.tx9);
    tx10=findViewById(R.id.tx10);
    ed1=findViewById(R.id.ed1);
    ed2=findViewById(R.id.ed2);
    F=ed1.getText().toString();
    S=ed2.getText().toString();
   if (F.equals(" 臺北市 ")) {
       first = 1;
       second = 0;
   }
    else if (F.equals(" 臺中市 ")) {
       first = 1;
       second = 1;
   }
   else if (F.equals(" 基隆市 ")) {
       first = 1;
       second = 2;
   }
   else if (F.equals(" 臺南市 ")) {
       first = 1;
       second = 3;
   }
   else if (F.equals(" 高雄市 ")) {
       first = 1;
       second = 4;
   }
   else if (F.equals(" 新北市 ")) {
       first = 1;
       second = 5;
   }
        else
            first=1;
            second=0;

    number[0]=first;
    number[1]=second*9;


    if(S.equals("男")){
        number[2]=1*8;

    }
    else
        number[2]=2*8;


    while(all%10==0){
        number [3] =ran.nextInt(9)*7;
        number [4] =ran.nextInt(9)*6;
        number [5] =ran.nextInt(9)*5;
        number [6] =ran.nextInt(9)*4;
        number [7] =ran.nextInt(9)*3;
        number [8] =ran.nextInt(9)*2;
        number [9] =ran.nextInt(9)*1;
        number [10] =ran.nextInt(9);

        for(int t=0;t<=10;t++)
            all +=number[t];
    }
    number [2]/=8;
    number [3]/=7;
    number [4]/=6;
    number [5]/=5;
    number [6]/=4;
    number [7]/=3;
    number [8]/=2;


    if(F.equals("新北市")){
        s="F";
    }
    else if(F.equals("臺北市")){
        s="A";
    }
    else if(F.equals("臺中市")){
        s="B";
    }
    else if(F.equals("基隆市")){
        s="C";
    }
    else if(F.equals("臺南市")){
        s="D";
    }
    else if(F.equals("高雄市")){
        s="E";
    }
    else
        s="A";


    number.toString();
    tx1.setText(s);
    for (int a=2;a<=10;a++) {
        tx2.setText(number[a]);
        tx3.setText(number[a]);
        tx4.setText(number[a]);
        tx5.setText(number[a]);
        tx6.setText(number[a]);
        tx7.setText(number[a]);
        tx8.setText(number[a]);
        tx9.setText(number[a]);
        tx10.setText(number[a]);
    }




}

}

安安 這是我的code 最近剛想了解一下 如何做app
所以就把我寫java的一個小專案 身分證製造機拿來 使用
卻不知道套在android studio 上哪裡出問題
一點擊button就跳出程式