/**
 * Created by 崗哥 on 2016/12/17.
*下面使用的ShowToast是自己寫的一個類，當然你們改成Toast就行了
*還有就是如果需要使用Mob傳送驗證碼找回密碼的話，肯定首先要匯入他們的jar檔案
*官網：http://www.mob.com/downloadDetail/SMS/android
 */
public class WriteVerificationCode extends AppCompatActivity {
    EditText code;
    Button resultButton;
    String phone;//需要接受驗證碼的手機號碼
    TextView regetTextviewCode
 
;//再次獲取驗證碼
TextView log, timelog, phoneTextview;
    ImageView back;
    String APPKEY = "自己申請的appkey";
    String APPSECRET = "自己去官網申請密碼";
    private String PASSWORD = "[a-zA-Z0-9]{6,16}";
    @Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout
 
.write_verification_code);
        Intent intent = getIntent();
        phone = intent.getStringExtra("phone");
        initSMSSDK();
        SMSSDK.getVerificationCode("86", phone);//傳送簡訊驗證碼到手機號
initView();
        initData();
        timer.start();

    }

    private void initView() {
        regetTextviewCode 
 
= (TextView) findViewById(R.id.regetcode);
        back = (ImageView) findViewById(R.id.write_back);
        code = (EditText) findViewById(R.id.verfication_code_edittext);
        resultButton = (Button) findViewById(R.id.submit_verfication);
        phoneTextview = (TextView) findViewById(R.id.verfication_phone);
        log = (TextView) findViewById(R.id.write_log);
        timelog = (TextView) findViewById(R.id.submit_log);
    }

    private void initData() {
        back.setOnClickListener(new View.OnClickListener() {
            @Override
public void onClick(View view) {
                WriteVerificationCode.this.finish();
            }
        });
        phoneTextview.setText("+86  " + phone);
        log.setText(Html.fromHtml("我們已經發送<font color='#45C01A'>驗證碼</font>簡訊到整個號碼:"));
        resultButton.setOnClickListener(new View.OnClickListener() {
            @Override
public void onClick(View view) {
                String codeString = code.getText().toString().trim();
                SMSSDK.submitVerificationCode("86", phone, codeString);
            }
        });

        regetTextviewCode.setOnClickListener(new View.OnClickListener() {
            @Override
public void onClick(View view) {
                ShowToast.showToast(WriteVerificationCode.this, "請求已傳送");
                SMSSDK.getVerificationCode("86", phone);//傳送簡訊驗證碼到手機號
timer.start();
            }
        });
    }


    /**
     * 使用計時器來限定驗證碼
* 在傳送驗證碼的過程 不可以再次申請獲取驗證碼 在指定時間之後沒有獲取到驗證碼才能重新進行傳送
* 這裡限定的時間是30s
     */
private CountDownTimer timer = new CountDownTimer(30000, 1000) {
        @Override
public void onTick(long millisUntilFinished) {
            timelog.setText(("接收簡訊大約需要" + millisUntilFinished / 1000) + "秒");
        }

        @Override
public void onFinish() {
            regetTextviewCode.setEnabled(true);
            regetTextviewCode.setVisibility(View.VISIBLE);
        }
    };


    @Override
protected void onDestroy() {
        super.onDestroy();
        //防止使用簡訊驗證 產生記憶體溢位問題
SMSSDK.unregisterAllEventHandler();
    }


    private void initSMSSDK() {
        //初始化簡訊驗證
SMSSDK.initSDK(this, APPKEY, APPSECRET);
        //註冊簡訊回撥
SMSSDK.registerEventHandler(new EventHandler() {
            @Override
public void afterEvent(int event, int result, Object data) {

                if (event == SMSSDK.EVENT_SUBMIT_VERIFICATION_CODE) {//提交成功
try {
                        if (data != null) {
                            HashMap<String, Object> hashMap = (HashMap) data;//提交驗證碼之後得到返回的資料（返回的資料是手機，和國家程式碼）
String getphone = (String) hashMap.get("phone");
                            if (getphone.equals(phone)) {
                                Message message = new Message();//驗證成功
message.what = 0;
                                handler.sendMessage(message);
                            }
                        } else {
                            Message message = new Message();//提交的驗證碼錯誤
message.what = 1;
                            handler.sendMessage(message);
                        }
                    } catch (Exception e) {
                        Message message = new Message();//提交的驗證碼錯誤
message.what = 1;
                        handler.sendMessage(message);
                    }

                    //  startActivity(new Intent(WriteVerificationCode.this,ModifyPassword.class));
} else if (event == SMSSDK.EVENT_GET_VERIFICATION_CODE) {
                    if (result == SMSSDK.RESULT_COMPLETE) {
                        boolean smart = (Boolean) data;
                        if (smart) {
                            Message message = new Message();//智慧驗證成功
message.what = 2;
                            handler.sendMessage(message);
                            new Handler().postDelayed(new Runnable() {
                                public void run() {
                                    //  startActivity(new Intent(WriteVerificationCode.this,ModifyPassword.class));
                                    //WriteVerificationCode.this.finish();
}
                            }, 2000);


                        } else {

                        }
                    }
                } else {
                    Message message = new Message();//得到驗證碼錯誤
message.what = 3;
                    handler.sendMessage(message);
                }


            }
        });
    }

    /**
     * 需要開啟一個主執行緒來顯示提示
*/
Handler handler = new Handler() {

        @Override
public void handleMessage(Message msg) {
            int code1 = msg.what;
            switch (code1) {
                case 0:
                    Toast.makeText(WriteVerificationCode.this, "驗證成功", Toast.LENGTH_SHORT).show();
                    //執行驗證成功的操作
                    break;
                case 1:
                    ShowToast.showToast(WriteVerificationCode.this, "您提交的驗證碼有誤");
                    break;
                case 2:
                    resultButton.setText("該號碼為可信任號碼");
                    ShowToast.showToast(WriteVerificationCode.this, "智慧驗證成功，即將為您跳轉頁面");
                    showDialog();
                    break;
                case 3:
                    ShowToast.showToast(WriteVerificationCode.this, "驗證碼獲取失敗");
                    break;
            }
            super.handleMessage(msg);
        }
    };

}

佈局檔案

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

    <android.support.v7.widget.Toolbar
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="@color/forgetheader">
        <ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/write_back"
android:src="@mipmap/feed_back_back"/>
        <TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="填寫驗證碼"
android:textSize="23sp"
android:layout_marginLeft="40dp"
android:textColor="@color/white"/>
    </android.support.v7.widget.Toolbar>

    <LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginLeft="20dp"
android:layout_marginRight="20dp"
android:orientation="vertical"
android:background="@color/white">


        <TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="20dp"
android:layout_gravity="center_horizontal"
android:textColor="#969696"
android:textSize="16sp"
android:id="@+id/write_log"
android:text="我們已經發送驗證碼簡訊到整個號碼:"/>

        <TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:layout_marginTop="20dp"
android:textSize="18sp"
android:id="@+id/verfication_phone"
android:textColor="@android:color/black"
android:text="+86  18223082696"/>

        <EditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginRight="20dp"
android:hint="填寫驗證碼"
android:inputType="number"
android:textSize="18sp"
android:id="@+id/verfication_code_edittext"
android:background="@drawable/button"
android:layout_marginTop="40dp"
android:maxLength="4"
android:layout_marginLeft="20dp"/>

        <TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="接收簡訊大約需要48秒"
android:layout_gravity="center_horizontal"
android:layout_marginTop="20dp"
android:id="@+id/submit_log"
android:textColor="#969696"/>
        <TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:layout_marginTop="10dp"
android:id="@+id/regetcode"
android:textColor="@color/forgetbutton"
android:visibility="invisible"
android:text="重新獲取驗證碼"/>

        <Button
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="20dp"
android:layout_marginTop="20dp"
android:layout_marginRight="20dp"
android:background="@drawable/forgetbuttonstyle"
android:textColor="@color/white"
android:text="下一步"
android:id="@+id/submit_verfication"
android:textSize="18sp"/>
        </LinearLayout>

</LinearLayout>

執行的效果：