public class MyTest extends AndroidTestCase {
public MyTest() {
// TODO Auto-generated constructor stub
}
public void insert() {
// 访问内容提供者的步骤：
// 1、需要一个内容解析者
ContentResolver contentResolver = getContext().getContentResolver();
// 使用content://+授权路径
Uri url = Uri
.parse("content://com.example.android_contentprovider2.StudentProvider/student");
ContentValues values = new ContentValues();
values.put("name", "王五");
values.put("address", "广西");
contentResolver.insert(url, values);
}
public void delete() {
ContentResolver contentResolver = getContext().getContentResolver();
// 删除单行记录,如果要删除多行记录：content://com.example.android_contentprovider2.StudentProvider/student
Uri uri = Uri
.parse("content://com.example.android_contentprovider2.StudentProvider/student/1");
contentResolver.delete(uri, null, null);
}
public void update() {
ContentResolver contentResolver = getContext().getContentResolver();
Uri uri = Uri
.parse("content://com.example.android_contentprovider2.StudentProvider/student/2");
ContentValues values = new ContentValues();
values.put("name", "李斯");
values.put("address", "上海");
contentResolver.update(uri, values, null, null);
}
public void query() {
ContentResolver contentResolver = getContext().getContentResolver();
// 查询单条记录：content://com.example.android_contentprovider2.StudentProvider/student/2
// 查询多条记录：content://com.example.android_contentprovider2.StudentProvider/student
Uri uri = Uri
.parse("content://com.example.android_contentprovider2.StudentProvider/student");
// select * from student where id = 2;
Cursor cursor = contentResolver.query(uri, null, null, null, null);
while (cursor.moveToNext()) {
System.out.println("---->>"
+ cursor.getString(cursor.getColumnIndex("name")));
}
}
}
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