安卓发送短信

权限代码

    <!--  发送消息-->
    <uses-permission android:name="android.permission.SEND_SMS"/>
    <!--  阅读消息-->
    <uses-permission android:name="android.permission.READ_SMS"/>
    <!--  写入消息-->
    <uses-permission android:name="android.permission.WRITE_SMS" />
    <!-- 接收消息 -->
    <uses-permission android:name="android.permission.RECEIVE_SMS" />

安卓代码部分

private void requestPermission() {
        //判断Android版本是否大于23
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            int checkCallPhonePermission = ContextCompat.checkSelfPermission(this, Manifest.permission.CALL_PHONE);
            if (checkCallPhonePermission != PackageManager.PERMISSION_GRANTED) {
                ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.SEND_SMS}, SEND_SMS);
                return;
            } else {
                sendMess();
            }
        } else {
            //版本不够
        }
    }

    @Override
    public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
        switch (requestCode) {
            case SEND_SMS:
                if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                    sendMess();
                } else {
                    // Permission Denied
                    Toast.makeText(MainActivity.this, "CALL_PHONE Denied", Toast.LENGTH_SHORT).show();
                }
                break;
            default:
                super.onRequestPermissionsResult(requestCode, permissions, grantResults);
        }
    }

    //发送短信
    private void sendMess() {
        String content = "测试用内容";
        String phone = "测试用手机号";
        SmsManager manager = SmsManager.getDefault();
        ArrayList<String> strings = manager.divideMessage(content);
        for (int i = 0; i < strings.size(); i++) {
            manager.sendTextMessage(phone, null, content, null, null);
        }
        Toast.makeText(MainActivity.this, "发送成功", Toast.LENGTH_SHORT).show();
    }

调用方法为requestPermission()，可以用各种方式调用
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