android代碼實現打電話和發送短信功能

1.XML布局

xmlns:app="http://schemas.android.com/apk/res-auto"

xmlns:tools="http://schemas.android.com/tools"

android:layout_width="match_parent"

android:layout_height="match_parent"

tools:context=".MainActivity"

android:orientation="vertical">

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="號碼:"

/>

android:id="@+id/phoneNumber"

android:layout_width="match_parent"

android:layout_height="wrap_content" />

android:id="@+id/call"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="撥打電話號碼"/>waihui實時點差

android:id="@+id/message"

android:layout_width="match_parent"

android:layout_height="wrap_content"

/>

android:id="@+id/send_sms"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="發送短信"/>

android:id="@+id/send_sms_noApp"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="直接發送短信"/>

2.MainActivity

package com.example.android013;

import androidx.appcompat.app.AppCompatActivity;

import android.annotation.SuppressLint;

import android.app.PendingIntent;

import android.content.Intent;

import android.net.Uri;

import android.os.Bundle;

import android.telephony.SmsManager;

import android.view.View;

import android.widget.Button;

import android.widget.EditText;

import android.widget.Toast;

public class MainActivity extends AppCompatActivity implements View.OnClickListener {

private Button call;

private Button send_sms;

private Button send_sms_noApp;

private EditText phoneNumber;

private EditText message;

private String Phone; //定義字符

private String msg;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

call=findViewById(R.id.call);

send_sms=findViewById(R.id.send_sms);

send_sms_noApp=findViewById(R.id.send_sms_noApp);

phoneNumber=findViewById(R.id.phoneNumber);

message=findViewById(R.id.message);

call.setOnClickListener(this);

send_sms.setOnClickListener(this);

send_sms_noApp.setOnClickListener(this);

}

@SuppressLint("WrongConstant")

@Override

public void onClick(View v) {

switch (v.getId()){

case R.id.call:

//意圖

Intent li=new Intent();

//設置動作

li.setAction(Intent.ACTION_DIAL); //撥打

//給誰打電話

Phone=phoneNumber.getText().toString();

li.setData(Uri.parse("tel:"+Phone));

//啟動意圖

startActivity(li);

break;

case R.id.send_sms:

//意圖

Intent li1=new Intent();

//獲取電話

Phone=phoneNumber.getText().toString();

//獲取短信

msg=message.getText().toString();

//設置動作

li1.setAction(Intent.ACTION_SENDTO);//發送到哪里

li1.setData(Uri.parse("smsto:"+Phone)); //發送到誰

//發送內容 鍵值對出現

li1.putExtra("sms_body",msg); //一條短信只能容納140個字節70個漢字.判斷長度

//啟動意圖

startActivity(li1);

break;

case R.id.send_sms_noApp: //自己發送,不啟動系統自帶的APP

//短信管理者

SmsManager manager=SmsManager.getDefault();

//意圖

PendingIntent pendingIntent=PendingIntent.getBroadcast(MainActivity.this,0,new Intent(),0);

manager.sendTextMessage("12306",null,"回家正好啊",pendingIntent,null);

Toast.makeText(this,"發送成功",0).show();

break;

}

}

}