本文实例为大家分享了使用ContentProvider实现查看系统短信功能的具体代码,供大家参考,具体内容如下
activity_main.xml
- <?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:layout_width="match_parent"
- android:layout_height="match_parent"
- android:orientation="vertical"
- tools:context=".MainActivity">
- <TextView
- android:id="@+id/tv_show"
- android:layout_width="match_parent"
- android:layout_height="0dp"
- android:textSize="20dp"
- android:layout_weight="9"></TextView>
- <Button
- android:id="@+id/bt_show"
- android:layout_weight="1"
- android:text="查看短信"
- android:onClick="show"
- android:layout_width="match_parent"
- android:layout_height="0dp"></Button>
- </LinearLayout>
Sms.java
- public class Sms {
- private int id;
- private String address;
- private String body;
-
- public Sms(int id, String address, String body) {
- this.id = id;
- this.address = address;
- this.body = body;
- }
-
- public int getId() {
- return id;
- }
-
- public void setId(int id) {
- this.id = id;
- }
-
- public String getAddress() {
- return address;
- }
-
- public void setAddress(String address) {
- this.address = address;
- }
-
- public String getBody() {
- return body;
- }
-
- public void setBody(String body) {
- this.body = body;
- }
- }
MainActivity.java
- public class MainActivity extends AppCompatActivity {
- private TextView tv_show;
- private Button bt_show;
- private List<Sms> list=new ArrayList<>();
- private String text="";
-
- @Override
- protected void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.activity_main);
- tv_show=findViewById(R.id.tv_show);
- bt_show=findViewById(R.id.bt_show);
- }
-
- public void show(View view) {
- ActivityCompat.requestPermissions(MainActivity.this,new String[]{Manifest.permission.READ_SMS},1);
- }
- public void getSms(){
- Uri uri= Uri.parse("content://sms/");
- ContentResolver contentResolver=getContentResolver();
- Cursor cursor = contentResolver.query(uri, new String[]{"_id", "address",
- "body"}, null, null, null);
- if (cursor!=null&&cursor.getCount()>0){
- if (list!=null){
- list.clear();
- }
- text="";
- while (cursor.moveToNext()){
- int id=cursor.getInt(0);
- String name=cursor.getString(1);
- String body=cursor.getString(2);
- Sms sms=new Sms(id,name,body);
- list.add(sms);
- }
- for (int i=0;i<list.size();i++){
- text+="手机号码:"+list.get(i).getAddress()+"\n";
- text+="短信内容:"+list.get(i).getBody()+"\n\n";
- }
- tv_show.setText(text);
- }
- }
-
- @Override
- public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
- super.onRequestPermissionsResult(requestCode, permissions, grantResults);
- if (requestCode==1){
- for (int i=0;i<permissions.length;i++){
- if (grantResults[i]== PackageManager.PERMISSION_GRANTED){
- getSms();
- }else {
- Toast.makeText(MainActivity.this,"无权限",Toast.LENGTH_SHORT).show();
- }
- }
- }
- }
-
-
- }


以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持w3xue。