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   源码介绍

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联系人查询与添加，android 开发

public class MainActivity extends Activity {

 

    @Override

    protected void onCreate(Bundle savedInstanceState) {

       super.onCreate(savedInstanceState);

       setContentView(R.layout.activity_main);

      

       Button read = (Button) findViewById(R.id.read);//查询所有联系人

        read.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View v) {

            ListView lv = (ListView) findViewById(R.id.list);// 获得列表视图

            List<String> items = new ArrayList<String>();// 创建列表保存姓名

            String str = GetContactname();//获取姓名字符串

            String []arg = str.split(" ");

            for(String string : arg)

            {

            items.add(string);

            }   

            ArrayAdapter <String> adapter=new ArrayAdapter <String>(MainActivity.this,android.R.layout.simple_list_item_1,arg );

            lv.setAdapter(adapter);// 设置列表适配器

            lv.setOnItemClickListener(new OnItemClickListener() {

            public void onItemClick(AdapterView<?> parent, View arg1, int pos, long id) {

                String result = parent.getItemAtPosition(pos).toString();//获取选择项的值

                Toast.makeText(MainActivity.this, result, Toast.LENGTH_SHORT).show();

               

                Intent intent = new Intent();// 创建Intent对象

            intent.setClass(MainActivity.this, ReadActivity.class);// 指定跳转到ReadActivity

            Bundle bundle=new Bundle();

            bundle.putString("result",result); //传递获取的姓名

            intent.putExtras(bundle);

            startActivity(intent);

               

              

               

            }

            });

           

            }

        }); 

                    

       Button insert = (Button) findViewById(R.id.insert);//添加联系人

        insert.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View v) {

             try{

             EditText nameET=(EditText )findViewById(R.id.name);

             EditText phoneET=(EditText )findViewById(R.id.phone);

             EditText emailET=(EditText )findViewById(R.id.email);

             String name=nameET.getText().toString();

             String phone=phoneET.getText().toString();

             String email=emailET.getText().toString();            

             ContactInsert(name,phone,email);

             Toast.makeText(MainActivity.this, "添加成功", Toast.LENGTH_SHORT).show();

             }

                 catch(Exception e) {

             e.printStackTrace();//输出异常信息

           }

            }

        });

       

       

      

    }

   

    public void ContactInsert(String name,String phone,String email){

        ContentValues values = new ContentValues();

        //首先向RawContacts.CONTENT_URI执行一个空值插入，目的是获取系统返回的rawContactId

        Uri rawContactUri =getContentResolver().insert(RawContacts.CONTENT_URI, values);

        long rawContactId = ContentUris.parseId(rawContactUri);       

        //往data表加入姓名数据

        values.clear();

        values.put(Data.RAW_CONTACT_ID, rawContactId);

        values.put(Data.MIMETYPE, StructuredName.CONTENT_ITEM_TYPE);

        values.put(StructuredName.GIVEN_NAME, name);

        getContentResolver().insert(android.provider.ContactsContract.Data.CONTENT_URI, values);       

        //往data表加入电话数据

        values.clear();

        values.put(android.provider.ContactsContract.Contacts.Data.RAW_CONTACT_ID, rawContactId);

        values.put(Data.MIMETYPE, Phone.CONTENT_ITEM_TYPE);

        values.put(Phone.NUMBER, phone);

        values.put(Phone.TYPE, Phone.TYPE_MOBILE);

        getContentResolver().insert(android.provider.ContactsContract.Data.CONTENT_URI, values);

        //往data表加入Email数据

        values.clear();

        values.put(android.provider.ContactsContract.Contacts.Data.RAW_CONTACT_ID, rawContactId);

        values.put(Data.MIMETYPE, Email.CONTENT_ITEM_TYPE);

        values.put(Email.DATA, email);

        values.put(Email.TYPE, Email.TYPE_WORK);

        getContentResolver().insert(android.provider.ContactsContract.Data.CONTENT_URI, values);

    }

   

   

    public String GetContactname()  {

       StringBuilder sb = new StringBuilder();

               Uri uri = Contacts.CONTENT_URI;//"content://com.android.contacts/contacts");

               ContentResolver resolver = getContentResolver();

               Cursor cursor = resolver.query(uri, new String[]{"_id"}, null, null, null);//先获取所有ID

              

               while (cursor.moveToNext()) {

                   int contactID = cursor.getInt(0);           

                   uri = Uri.parse("content://com.android.contacts/contacts/" contactID "/data");//按ID获取数据

                   Cursor cursor1 = resolver.query(uri, new String[]{"mimetype", "data1"}, null, null, null);

                   while (cursor1.moveToNext()) {

                       String data1 = cursor1.getString(cursor1.getColumnIndex("data1"));

                       String mimeType = cursor1.getString(cursor1.getColumnIndex("mimetype"));

                       if (StructuredName.CONTENT_ITEM_TYPE.equals(mimeType)) { //是姓名

                            sb.append( data1 " " );               

                       }            

                   }

                   cursor1.close();                

               }

               cursor.close();

               return sb.toString();

           }

 

    @Override

    public boolean onCreateOptionsMenu(Menu menu) {

       // Inflate the menu; this adds items to the action bar if it is present.

       getMenuInflater().inflate(R.menu.main, menu);

       return true;

    }

 

}