安卓开发十——调试设置应用图标和源代码

标签：String 安卓 private new import android 源代码 public 图标

我们要设置图标和名称只需要修改这三个值就就可以了

        android:icon="@drawable/appimag"
        android:label="记账本"
        android:roundIcon="@drawable/appimag"

然后最后的效果是这样的

源代码：

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/main"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:gravity="center"
    tools:context=".MainActivity">

    <include layout="@layout/list_name" />
    <View

        android:layout_width="fill_parent"
        android:layout_marginTop="0dp"
        android:layout_height="1dp"
        android:layout_marginLeft="5dp"
        android:layout_marginRight="5dp"
        android:background="#aa000000" />

    <ListView
        android:id="@+id/list_view"
        android:layout_width="wrap_content"
        android:layout_height="650dp"
        />
    <View
        android:layout_width="fill_parent"
        android:layout_marginTop="10dp"
        android:layout_height="1dp"
        android:layout_marginLeft="5dp"
        android:layout_marginRight="5dp"
        android:background="#aa000000" />
    <include layout="@layout/total"/>

</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:gravity="center">
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="50dp"
        android:gravity="left"
        android:singleLine="true"
        android:textSize="40sp"
        android:ellipsize="marquee"
        android:text="添加新条目" />
    <Space
        android:layout_width="wrap_content"
        android:layout_height="30dp"/>
    <View
        android:layout_width="fill_parent"
        android:layout_marginTop="0dp"
        android:layout_height="1dp"
        android:layout_marginLeft="5dp"
        android:layout_marginRight="5dp"
        android:background="#aa000000" />
    <Space
        android:layout_width="wrap_content"
        android:layout_height="20dp"/>

    <Spinner
        android:id="@+id/spin"
        android:layout_marginLeft="3sp"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        />
    <Space
        android:layout_width="wrap_content"
        android:layout_height="20dp"/>

    <EditText
        android:id="@+id/et_cost_title"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_margin="4dp"
        android:hint="事项说明"
        android:textColor="#ffbd27"
        />
    <Space
        android:layout_width="wrap_content"
        android:layout_height="10dp"/>
    <EditText
        android:id="@+id/et_cost_money"
        android:inputType="number|numberDecimal"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_margin="4dp"
        android:hint="金额（元）"
        android:textColor="#ffbd27"
        />

    <Space
        android:layout_width="wrap_content"
        android:layout_height="20dp"/>
    <DatePicker
        android:id="@+id/dp_cost_date"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:datePickerMode="spinner"
        android:calendarViewShown="false"
        />
    <Space
        android:layout_width="wrap_content"
        android:layout_height="50dp"/>
    <Button
        android:onClick="okButton"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="确认"
        android:textSize="20dp"
        android:textColor="#333333"
        android:background="#ffbd27"
        android:layout_marginLeft="40dp"
        android:layout_marginRight="40dp"
        />
    <Space
        android:layout_width="wrap_content"
        android:layout_height="20dp"/>
</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="30dp">
    <TextView
        android:id="@+id/tv_spin"
        android:layout_width="180dp"
        android:layout_height="30dp"
        android:layout_marginLeft="-60dp"
        android:layout_alignParentLeft="true"
        android:gravity="center"
        android:textSize="15sp"
        android:text="Se" />
    <TextView
        android:id="@+id/tv_title"
        android:layout_width="130dp"
        android:layout_height="30dp"
        android:layout_marginLeft="55dp"
        android:layout_alignParentLeft="true"
        android:gravity="center"
        android:textSize="15sp"
        android:ellipsize="marquee"
        android:text="costTitle" />

    <TextView
        android:id="@+id/tv_date"
        android:layout_width="wrap_content"
        android:layout_height="30dp"
        android:gravity="center"
        android:textSize="15sp"
        android:layout_marginLeft="20dp"
        android:layout_toRightOf="@+id/tv_title"
        android:text="2020-05-31"/>

    <TextView
        android:id="@+id/tv_money"
        android:layout_width="wrap_content"
        android:layout_height="30dp"
        android:gravity="center"
        android:layout_alignParentRight="true"
        android:layout_marginRight="10dp"
        android:textSize="15sp"
        android:textColor="#ffbd27"
        android:text="25"/>
</RelativeLayout>

<?xml version="1.0" encoding="utf-8"?>
<TextView xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="80dp"
    android:id="@+id/month"
    android:layout_marginLeft="20dp"
    android:layout_alignParentLeft="true"
    android:gravity="center"
    android:textSize="30sp"
    android:text="costTitle">

</TextView>

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="50dp"
    android:background="#faebd7">
    <TextView
        android:layout_width="180dp"
        android:layout_height="50dp"
        android:layout_marginLeft="-60dp"
        android:layout_alignParentLeft="true"
        android:gravity="center"
        android:singleLine="true"
        android:textSize="25sp"
        android:ellipsize="marquee"
        android:text="收支" />
    <TextView
        android:id="@+id/tv_title"
        android:layout_width="180dp"
        android:layout_height="50dp"
        android:layout_marginLeft="30dp"
        android:layout_alignParentLeft="true"
        android:gravity="center"
        android:singleLine="true"
        android:textSize="25sp"
        android:ellipsize="marquee"
        android:text="细则" />

    <TextView
        android:id="@+id/tv_date"
        android:layout_width="wrap_content"
        android:layout_height="50dp"
        android:gravity="center"
        android:textSize="25sp"
        android:layout_marginLeft="5dp"
        android:layout_toRightOf="@+id/tv_title"
        android:text="日期"/>

    <TextView
        android:id="@+id/tv_money"
        android:layout_width="wrap_content"
        android:layout_height="50dp"
        android:gravity="center"
        android:layout_alignParentRight="true"
        android:layout_marginRight="8dp"
        android:textSize="25sp"
        android:text="金额"/>
</RelativeLayout>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:gravity="center">

    <TextView
        android:gravity="center"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:textSize="40sp"
        android:text="@string/month"
        />
    <View
        android:layout_width="fill_parent"
        android:layout_marginTop="10dp"
        android:layout_height="1dp"
        android:layout_marginLeft="5dp"
        android:layout_marginRight="5dp"
        android:background="#aa000000" />
    <ListView
        android:id="@+id/l_month"
        android:layout_width="match_parent"
        android:layout_height="560dp" />
    <ImageButton
        android:id="@+id/add"
        android:onClick="addAccount"
        android:layout_width="120dp"
        android:layout_height="120dp"
        android:scaleType="centerInside"
        android:layout_centerHorizontal="true"
        android:background="#00FF0000"
        android:src="@drawable/img"
        android:layout_below="@+id/list_view" />
</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<TextView xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:id="@+id/text"
    android:layout_marginLeft="-30sp"
    android:singleLine="true"
    android:textSize="25sp"
    android:text="">
</TextView>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:orientation="horizontal"
    android:layout_height="50dp">

    <TextView
        android:layout_width="180dp"
        android:layout_height="50dp"
        android:gravity="left"
        android:textSize="25sp"
        android:text=" 总计：" />

    <TextView
        android:id="@+id/t_money"
        android:layout_width="wrap_content"
        android:layout_height="50dp"
        android:gravity="right|end"
        android:textSize="25sp"
        android:textColor="#ff0000"
        android:text=""/>
    <TextView
        android:layout_width="180dp"
        android:layout_height="50dp"
        android:gravity="left"
        android:textSize="25sp"
        android:text="（元）" />
</LinearLayout>

package com.example.myapplication;

public class costList {
    private String _id;
    private String se;
    private String Title;
    private String Date;
    private String Money;

    public String getMoney() {
        return Money;
    }

    public void setMoney(String money) {
        Money = money;
    }

    public String getDate() {
        return Date;
    }

    public void setDate(String date) {
        Date = date;
    }

    public String getTitle() {
        return Title;
    }

    public void setTitle(String title) {
        Title = title;
    }

    public String get_id() {
        return _id;
    }

    public void set_id(String _id) {
        this._id = _id;
    }

    public String getSe() {
        return se;
    }

    public void setSe(String se) {
        this.se = se;
    }
}

package com.example.myapplication;

import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;

public class DBHelper extends SQLiteOpenHelper {

    private static int DB_VERSION = 1;
    private static String DB_NAME = "account_daily2.db";

    public DBHelper(Context context) {
        super(context, DB_NAME ,null, DB_VERSION);
    }

    @Override
    public void onCreate(SQLiteDatabase db) {
        String sql="create table account2(_id integer primary key autoincrement," +//主键
                "Se varchar(20),"+//
                "Title varchar(20)," +//Title
                "Date varchar(20)," +//Date
                "Money vaechar(20))";//Money
        db.execSQL(sql);
    }

    @Override
    public void onUpgrade(SQLiteDatabase sqLiteDatabase, int i, int i1) {

    }
}

package com.example.myapplication;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.TextView;
import java.util.List;
public class ListAdapter extends BaseAdapter {
    List<costList> mList;


    public ListAdapter(List<costList>list)
    {
        mList=list;
    }
    @Override
    public int getCount() {
        return mList.size();
    }

    @Override
    public Object getItem(int position) {
        return mList.get(position);
    }

    @Override
    public long getItemId(int position) {
        return Long.parseLong(mList.get(position).get_id());
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        View view=mLayoutInflater.inflate(R.layout.list_item,null);
        //取出数据赋值
        costList item=mList.get(position);
        TextView tv_spin=view.findViewById(R.id.tv_spin);
        TextView tv_title=view.findViewById(R.id.tv_title);
        TextView tv_date=view.findViewById(R.id.tv_date);
        TextView tv_money=view.findViewById(R.id.tv_money);
        //绑定
        tv_spin.setText(mList.get(position).getSe());
        tv_title.setText(mList.get(position).getTitle());
        tv_date.setText(mList.get(position).getDate());
        tv_money.setText(mList.get(position).getMoney());
        return view;
    }
    private List<costList>getmList;
    private LayoutInflater mLayoutInflater;

    public ListAdapter(Context context, List<costList>list)
    {
        mList=list;
        //通过外部传来的Context初始化LayoutInflater对象
        mLayoutInflater=LayoutInflater.from(context);
    }
}

package com.example.myapplication;

import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;

import android.annotation.SuppressLint;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;

import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.List;

public class MainActivity extends AppCompatActivity {

    private ListAdapter listAdapter;
    private String month11;
    private DBHelper helper;
    private  ListView listView;
    private List<costList>list;
    private TextView textView;
  @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Intent intent = getIntent();
        month11 = intent.getStringExtra("date");
        initView();
        initData();
      listView.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {
          @Override
          public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
              new AlertDialog.Builder(MainActivity.this).setTitle("注意")
                      .setMessage("是否删除要此项记录?").setPositiveButton("确定", new DialogInterface.OnClickListener() {
                  public void onClick(DialogInterface dialog, int whichButton) {
                      String view1= String.valueOf(listAdapter.getItemId(position));
                      SQLiteDatabase db = helper.getWritableDatabase();
                      db.delete("account2","_id= ?",new String[]{view1});
                      Toast.makeText(getBaseContext(), "已删除", Toast.LENGTH_SHORT).show();
                      initData();
                  }
              }).setNegativeButton("取消", new DialogInterface.OnClickListener() {
                          public void onClick(DialogInterface dialog, int whichButton) {
                              Toast.makeText(getBaseContext(), "已取消删除", Toast.LENGTH_SHORT).show();
                          }
                      }).create().show();
              return false;
          }
      });
    }

    @SuppressLint("Range")
    private void initData() {
        list=new ArrayList<>();
        SQLiteDatabase db=helper.getReadableDatabase();
        Cursor cursor=db.query("account2",null,"Date like '"+month11+"%'",null,null,
                null,null);
        BigDecimal sum=new BigDecimal(0);
        while (cursor.moveToNext()){
            costList clist=new costList();//构造实例
            BigDecimal temp=new BigDecimal(cursor.getString(cursor.getColumnIndex("Money")));
            sum=sum.add(temp);
            clist.setSe(cursor.getString(cursor.getColumnIndex("Se")));
            clist.set_id(cursor.getString(cursor.getColumnIndex("_id")));
            clist.setTitle(cursor.getString(cursor.getColumnIndex("Title")));
            clist.setDate(cursor.getString(cursor.getColumnIndex("Date")));
            clist.setMoney(temp.toString());
            list.add(clist);
        }
        //绑定适配器
        listAdapter=new ListAdapter(this,list);
        listView.setAdapter(listAdapter);
        textView.setText(sum.toString());
        db.close();
    }
    private void initView() {
        helper=new DBHelper(MainActivity.this);
        listView = findViewById(R.id.list_view);
        textView =findViewById(R.id.t_money);
    }
}

package com.example.myapplication;


import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.TextView;

import java.util.List;

public class MListAdapter extends BaseAdapter {
    List<costList> mList;


    public MListAdapter(List<costList>list)
    {
        mList=list;
    }
    @Override
    public int getCount() {
        return mList.size();
    }

    @Override
    public Object getItem(int position) {
        return mList.get(position);
    }

    @Override
    public long getItemId(int position) {
        return position;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        View view=mLayoutInflater.inflate(R.layout.list_month,null);
        //取出数据赋值
        costList item=mList.get(position);
        TextView month=view.findViewById(R.id.month);
        //绑定
        month.setText(mList.get(position).getDate().substring(0,4));
        return view;
    }
    private List<costList>getmList;
    private LayoutInflater mLayoutInflater;

    public MListAdapter(Context context, List<costList>list)
    {
        mList=list;
        //通过外部传来的Context初始化LayoutInflater对象
        mLayoutInflater=LayoutInflater.from(context);
    }
}

package com.example.myapplication;

import android.annotation.SuppressLint;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.os.Bundle;
import android.os.Message;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.ImageButton;
import android.widget.ListView;
import android.widget.AdapterView;

import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;
import android.content.Intent;
import java.util.ArrayList;
import java.util.List;
import android.os.Handler;

public class monthActivity extends AppCompatActivity {
    List<String> list;
    private ImageButton Add;
    private DBHelper helper;
    private ListView listView;
    private Runnable mRunnable = new Runnable() {
        @Override
        public void run() {
            while(true){
                try {
                    //sleep2秒，可根据需求更换为响应的时间
                    Thread.sleep(200);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
                mHandler.sendMessage(mHandler.obtainMessage());
            }
        }
    };
    //调用定时刷新函数
    private Handler mHandler = new Handler(){
        @Override
        public void handleMessage(Message msg) {
            refresh();//编写的定时刷新函数
        }
    };
    private void refresh() {
        iniView();
    }

    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.month);
        Add=findViewById(R.id.add);
        listView=findViewById(R.id.l_month);
        iniView();
        new Thread(mRunnable).start();
    }
    @SuppressLint("Range")
    private void iniView()
    {
        helper=new DBHelper(monthActivity.this);
        list=new ArrayList<>();
        SQLiteDatabase db=helper.getReadableDatabase();
        Cursor cursor=db.query("account2",null,null,null,null,
                null,null);
        while (cursor.moveToNext()){
            String mon=cursor.getString(cursor.getColumnIndex("Date")).substring(0,7);
            if(!find(mon))
            {
                list.add(mon);
            }
        }
        db.close();
        ArrayAdapter<String> adapter=new ArrayAdapter<String>(this,R.layout.list_month,list);
        listView.setAdapter(adapter);
        listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                String itemDate=adapter.getItem(position);
                Intent intent=new Intent(monthActivity.this,MainActivity.class);
                intent.putExtra("date",itemDate);
                startActivity(intent);
            }
        });
    }
    public void addAccount(View view){//跳转
        Intent intent=new Intent(monthActivity.this,new_cost.class);
        //noinspection deprecation
        startActivityForResult(intent,1);
    }
    public boolean find(String a)
    {
        boolean flag=false;
        for (String str : list) {
            if(str.equals(a))
            {
                flag=true;
                break;
            }
        }
        return flag;
    }
    @Override
    protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if(requestCode==1&&resultCode==1)
        {
            iniView();
        }
    }
}

package com.example.myapplication;

import androidx.appcompat.app.AppCompatActivity;

import android.content.ContentValues;
import android.database.sqlite.SQLiteDatabase;
import android.os.Bundle;
import android.text.Spanned;

import java.util.ArrayList;
import java.util.List;
import java.util.regex.*;
import android.view.Gravity;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.DatePicker;
import android.widget.EditText;
import android.widget.Spinner;
import android.widget.Toast;

import java.text.SimpleDateFormat;
import java.util.Date;

public class new_cost extends AppCompatActivity {
    private DBHelper helper;
    private Spinner et_cost_se;
    private EditText et_cost_title;
    private EditText et_cost_money;
    private DatePicker dp_cost_date;
    private String[] list=new String[]{"收入","支出"};
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_new_cost);
        initView();
    }

    private void initView() {
        helper = new DBHelper(new_cost.this);
        et_cost_se=findViewById(R.id.spin);
        et_cost_title = findViewById(R.id.et_cost_title);
        et_cost_money = findViewById(R.id.et_cost_money);
        dp_cost_date = findViewById(R.id.dp_cost_date);
        Spinner sp=findViewById(R.id.spin);
        ArrayAdapter<String> adapter=new ArrayAdapter<>(this,R.layout.text,list);
        sp.setAdapter(adapter);//下拉框文本适配
    }


    public void okButton(View view) {
        String seStr=et_cost_se.getSelectedItem().toString();
        String titleStr = et_cost_title.getText().toString().trim();
        String moneyStr = et_cost_money.getText().toString().trim();
        String dateStr = dp_cost_date.getYear() + "-" + (dp_cost_date.getMonth() + 1) + "-"
                + dp_cost_date.getDayOfMonth();//这里getMonth会比当前月份少一个月，所以要+1
        if ("".equals(moneyStr)) {//可以不填写Title但是不能不填金额
            Toast toast = Toast.makeText(this, "请填写金额", Toast.LENGTH_SHORT);
            toast.setGravity(Gravity.CENTER, 0, 0);
            toast.show();
        }
        else {
            if(seStr.equals("收入"))
            {
                StringBuilder sb = new StringBuilder(moneyStr);
                sb.insert(0, "+");
                moneyStr=sb.toString();
            }
            else {
                StringBuilder sb = new StringBuilder(moneyStr);
                sb.insert(0, "-");
                moneyStr=sb.toString();
            }
            String[] strArr1=dateStr.split("-");
            if(strArr1[1].length()==1)//保证日期格式对齐
            {
                StringBuilder sb = new StringBuilder(strArr1[1]);
                sb.insert(0, "0");
                dateStr=strArr1[0]+"-"+sb.toString();
            }
            StringBuilder sb = new StringBuilder(strArr1[2]);
            if(strArr1[2].length()==1)
            {
                sb.insert(0, "0");
            }
            dateStr=dateStr+"-"+sb.toString();
            SQLiteDatabase db = helper.getWritableDatabase();
            ContentValues values = new ContentValues();
            values.put("Se",seStr);
            values.put("Title", titleStr);
            values.put("Money", moneyStr);
            values.put("Date", dateStr);
            long account = db.insert("account2", null, values);
            if (account > 0) {
                Toast toast = Toast.makeText(this, "保存成功", Toast.LENGTH_SHORT);
                toast.setGravity(Gravity.CENTER, 0, 0);
                toast.show();
                setResult(1);
                finish();
            } else {
                Toast toast = Toast.makeText(this, "请重试", Toast.LENGTH_SHORT);
                toast.setGravity(Gravity.CENTER, 0, 0);
                toast.show();
                db.close();
            }
            setResult(1);
            finish();
        }

    }
}

标签：String,安卓,private,new,import,android,源代码,public,图标
From： https://www.cnblogs.com/zhenaifen/p/18003583

安卓开发十——调试设置应用图标和源代码

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