安卓应用

ID:218332 · 发表于 2018-5-10 13:43

package com.example.computer.myapplication;

import android.app.DatePickerDialog;
import android.content.DialogInterface;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.DatePicker;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {
LinearLayout xingming;
EditText editText_xingming;
String string_xingming;
int m_year=2016,m_month=9,m_day=1;

@Override
public boolean onCreateOptionsMenu(Menu menu) {
      super.onCreateOptionsMenu(menu);
      menu.add(1,//组号
            1,// 唯一ID
            1,//排序号
            "姓名" );
      menu.add(1,2,2,"入学日期");
      menu.add(1,3,3,"照片");
      return super.onCreateOptionsMenu(menu);
}

@Override
public boolean onOptionsItemSelected(MenuItem item) {
      AlertDialog.Builder dialog = new AlertDialog.Builder(MainActivity.this);
      switch (item.getItemId()) {
         case 1:
            xingming = (LinearLayout) getLayoutInflater().inflate(R.layout.xingming, null);
            editText_xingming = (EditText) xingming.findViewById(R.id.editText_xingming);
            dialog.setView(xingming);
            dialog.setTitle("输入姓名");
            dialog.setPositiveButton("确定", new okClick());
            dialog.setNegativeButton("取消", new noClick());
            dialog.create().show();
            break;
         case 2:
            DatePickerDialog.OnDateSetListener dateSetListener=new DatePickerDialog.OnDateSetListener() {
                  @Override
                  public void onDateSet(DatePicker view, int year, int month, int dayOfMonth) {
                     m_year=year;
                     m_month=month;
                     m_day=dayOfMonth;
                     Toast.makeText(MainActivity.this,m_year+"年"+m_month+"月"+m_day+"日",Toast.LENGTH_SHORT).show();
                  }
            };
            //创建日期对话框对象
            DatePickerDialog date= new DatePickerDialog(MainActivity.this,dateSetListener,m_year,m_month,m_day);
            date.setTitle("日期对话框");
            date.show();
            break;
         case 3:
            Toast.makeText(this, string_xingming, Toast.LENGTH_SHORT).show();
            break;
      }
      return super.onOptionsItemSelected(item);
}

@Override
protected void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.activity_main);
}
class okClick implements DialogInterface.OnClickListener{
      @Override
      public void onClick(DialogInterface dialog, int which) {
         string_xingming=editText_xingming.getText().toString();
      }
}
class noClick implements DialogInterface.OnClickListener{
      @Override
      public void onClick(DialogInterface dialog, int which) {
         dialog.cancel();//关闭对话框
      }
}
}

//                      Intent intent = new Intent(MainActivity.this,Main2Activity.class);
//                      Bundle bundle = new Bundle();
//                      bundle.putString("txt",m_year+"年"+m_month+"月"+m_day+"日");
//                      intent.putExtras(bundle);
//                      startActivity(intent);

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