Android核心技术-day06-03-调用系统短信发送（不需要授权）

package com.gaozewen.sendsms;

import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

    }

    public void click(View view) {
        Intent intent = new Intent();
        intent.setAction(Intent.ACTION_SENDTO);
        intent.addCategory(Intent.CATEGORY_DEFAULT);
        intent.setData(Uri.parse("smsto:5556"));
        intent.putExtra("sms_body","快来使用我们的软件吧");
        startActivity(intent);
    }
}