拨打电话及发送短信

一、界面设计

二、程序设计

MainActivity.java

package com.example.yxp.phone;

import android.content.Intent;
import android.net.Uri;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;

import java.util.List;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Button bt_dial = (Button) findViewById(R.id.button1);
        bt_dial.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                String str1 = "";
                EditText editText1 = (EditText) findViewById(R.id.ed_text);
                str1 = editText1.getText().toString();
                callPhone(str1);
            }
        });



        Button bt_dial1 = (Button) findViewById(R.id.button2);
        bt_dial1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {


                EditText editText1 = (EditText) findViewById(R.id.ed_text);
                String str1 = editText1.getText().toString();
                String str2="";
                EditText editText2 =(EditText)findViewById(R.id.ed_text1);
                str2=editText2.getText().toString();
                sendSMS(str1,str2);
            }
        });

    }


    /**
     * 拨打电话（直接拨打电话）
     * @param phoneNum 电话号码
     */
    public void callPhone(String phoneNum){
        Intent intent = new Intent(Intent.ACTION_CALL);
        Uri data = Uri.parse("tel:" + phoneNum);
        intent.setData(data);
        startActivity(intent);
    }



    /**
     * 直接调用短信接口发短信
     *
     * @param phoneNumber
     * @param message
     */
    public void sendSMS(String phoneNumber, String message) {
        // 获取短信管理器
        android.telephony.SmsManager smsManager = android.telephony.SmsManager
                .getDefault();
        // 拆分短信内容（手机短信长度限制）
        List<String> divideContents = smsManager.divideMessage(message);
        for (String text : divideContents) {
            smsManager.sendTextMessage(phoneNumber,null,text,null,null);
        }
    }


    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.menu_main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            return true;
        }

        return super.onOptionsItemSelected(item);
    }
}

activity_main.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
    android:layout_height="match_parent" android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".MainActivity"
    android:orientation="vertical">


    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="请输入号码"/>

    <EditText
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:id="@+id/ed_text"
        android:hint="需要拨打的电话"/>

    <EditText
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:id="@+id/ed_text1"
        android:hint="发送短信"
        android:lines="5"/>

    <Button
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="拨打"
        android:id="@+id/button1" />

    <Button
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="发短信"
        android:id="@+id/button2" />

</LinearLayout>

在AndroidMainfest.xml中添加

    <uses-permission android:name="android.permission.CALL_PHONE" />
    <uses-permission android:name="android.permission.SEND_SMS" />