Android

Android_10

 1 <?xml version="1.0" encoding="utf-8"?>
 2 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 3     xmlns:app="http://schemas.android.com/apk/res-auto"
 4     xmlns:tools="http://schemas.android.com/tools"
 5     android:layout_width="match_parent"
 6     android:layout_height="match_parent"
 7     android:orientation="vertical"
 8     tools:context=".MainActivity" >
 9 
10     <Button
11         android:id="@+id/button"
12         android:layout_width="match_parent"
13         android:layout_height="wrap_content"
14         android:text="读取" />
15 
16     <Button
17         android:id="@+id/button2"
18         android:layout_width="match_parent"
19         android:layout_height="wrap_content"
20         android:text="插入" />
21 </LinearLayout>

 1 package com.example.myapplication2;
 2 
 3 import androidx.appcompat.app.AppCompatActivity;
 4 
 5 import android.content.ContentResolver;
 6 import android.content.ContentValues;
 7 import android.database.Cursor;
 8 import android.net.Uri;
 9 import android.os.Bundle;
10 import android.util.Log;
11 import android.view.View;
12 import android.widget.Button;
13 
14 public class MainActivity extends AppCompatActivity {
15 
16     @Override
17     protected void onCreate(Bundle savedInstanceState) {
18         super.onCreate(savedInstanceState);
19         setContentView(R.layout.activity_main);
20 
21         Button button1 = (Button)findViewById(R.id.button);
22         Button button2 = (Button)findViewById(R.id.button2);
23 
24 
25         button1.setOnClickListener(new View.OnClickListener() {
26             @Override
27             public void onClick(View v) {
28                 getMsgs();
29             }
30         });
31 
32         button2.setOnClickListener(new View.OnClickListener() {
33             @Override
34             public void onClick(View v) {
35                 insertMsg();
36             }
37         });
38 
39 
40     }
41 
42     private void getMsgs(){
43         Uri uri = Uri.parse("content://sms/");
44         ContentResolver resolver = getContentResolver();
45         //获取的是哪些列的信息
46         Cursor cursor = resolver.query(uri, new String[]{"address","date","type","body"}, null, null, null);
47         while(cursor.moveToNext())
48         {
49             String address = cursor.getString(0);
50             String date = cursor.getString(1);
51             String type = cursor.getString(2);
52             String body = cursor.getString(3);
53             System.out.println("地址:" + address);
54             System.out.println("时间:" + date);
55             System.out.println("类型:" + type);
56             System.out.println("内容:" + body);
57             System.out.println("======================");
58         }
59         cursor.close();
60     }
61 
62 
63     private void insertMsg() {
64         ContentResolver resolver = getContentResolver();
65         Uri uri = Uri.parse("content://sms/");
66         ContentValues conValues = new ContentValues();
67         conValues.put("address", "123456789");
68         conValues.put("type", 1);
69         conValues.put("date", System.currentTimeMillis());
70         conValues.put("body", "no zuo no die why you try!");
71         resolver.insert(uri, conValues);
72         Log.e("HeHe", "短信插入完毕~");
73     }
74 }