android实现发短信功能

布局文件

?xml version="1.0" encoding="utf-8"?>

代码

package com.big.yanzhuang.lsx;import android.content.pm.PackageManager;import android.os.Bundle;import android.support.v4.app.ActivityCompat;import android.support.v4.content.ContextCompat;import android.support.v7.app.AppCompatActivity;import android.telephony.SmsManager;import android.text.TextUtils;import android.util.Log;import android.view.View;import android.widget.EditText;import android.widget.Toast;import java.util.ArrayList;import android.Manifest;public class MainActivity extends AppCompatActivity implements View.OnClickListener {    private EditText mNumberText;    private EditText mContentText;    protected void onCreate(Bundle savedInstanceState){        super.onCreate(savedInstanceState);        setTitle(getString(R.string.app_name));        setContentView(R.layout.activity_main);        mNumberText = (EditText) findViewById(R.id.number);        mContentText = (EditText) findViewById(R.id.msg_content);        findViewById(R.id.send).setOnClickListener(this);    }    @Override    public void onClick(View v) {        if(ContextCompat.checkSelfPermission(MainActivity.this,Manifest.permission.SEND_SMS) != PackageManager.PERMISSION_GRANTED) {            ActivityCompat.requestPermissions(MainActivity.this, new String[]{Manifest.permission.SEND_SMS}, 1);        } else if(ContextCompat.checkSelfPermission(MainActivity.this , Manifest.permission.READ_PHONE_STATE)!=PackageManager.PERMISSION_GRANTED){            ActivityCompat.requestPermissions(MainActivity.this,new String[]{Manifest.permission.READ_PHONE_STATE},2);        }        else {                sendMsg();        }            }    private void sendMsg() {            String number = mNumberText.getText().toString();            String content = mContentText.getText().toString();        try{            if (TextUtils.isEmpty(number)) {                showToast("请输入手机号");                return;            }            if (TextUtils.isEmpty(content)) {                showToast("请输入内容");                return;            }            ArrayList messages = SmsManager.getDefault().divideMessage(content);            for (String text : messages) {                SmsManager.getDefault().sendTextMessage(number, null, text, null, null);            }            Log.d("MainActivity", "1");            showToast("Success!");        } catch (SecurityException e) {            e.printStackTrace();        }    }    @Override    public void onRequestPermissionsResult(int requestCode,String[] permissions,int[] grantResults) {        switch(requestCode) {            case 1:                if(grantResults.length > 0 && grantResults[0]== PackageManager.PERMISSION_GRANTED){                    sendMsg();                } else {                    Toast.makeText(this,"您没有此权限！",Toast.LENGTH_SHORT).show();                }                break;            case 2:                if(grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED){                    sendMsg();                } else {                    Toast.makeText(this,"您没有此权限！",Toast.LENGTH_SHORT).show();                }            default:        }    }    private void showToast(String msg){        Toast.makeText(MainActivity.this,msg,Toast.LENGTH_SHORT).show();    }}

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