package com.example.call_sms;import android.Manifest;import android.app.Activity;import android.content.Intent;import android.content.pm.PackageManager;import android.net.Uri;import android.support.annotation.NonNull;import android.support.v4.app.ActivityCompat;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.telephony.SmsManager;import android.util.Log;import android.view.View;import android.widget.Button;import android.widget.EditText;import android.widget.Toast;public class MainActivity extends AppCompatActivity implements View.OnLongClickListener {    private EditText text_main_phone;    private EditText text_main_sms;    private Button btn_main_call;    private Button btn_main_sms;    private String[] permissions = {Manifest.permission.CALL_PHONE, Manifest.permission.SEND_SMS};    public static final int REQUEST_CALL_CODE = 10086;    public static final int REQUEST_SMS_CODE = 10010;    View.OnClickListener onClickListener = new View.OnClickListener() {        @Override        public void onClick(View v) {            if (v == btn_main_call) {                //跳转到打电话界面                String action = Intent.ACTION_DIAL;                String phone = text_main_phone.getText().toString();                Uri uri = Uri.parse("tel:" + phone);                Intent intent = new Intent(action, uri);                startActivity(intent);            } else if (v == btn_main_sms) {                //跳转到发短信界面                String action = Intent.ACTION_SENDTO;                String phone = text_main_phone.getText().toString();                String sms_body = text_main_sms.getText().toString();                Uri uri = Uri.parse("smsto:" + phone);                Intent intent = new Intent(action, uri);                intent.putExtra("sms_body", sms_body);                startActivity(intent);            }        }    };    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        text_main_phone = (EditText) findViewById(R.id.text_main_phone);        text_main_sms = (EditText) findViewById(R.id.text_main_sms);        btn_main_call = (Button) findViewById(R.id.btn_main_call);        btn_main_sms = (Button) findViewById(R.id.btn_main_sms);        btn_main_call.setOnClickListener(onClickListener);        btn_main_sms.setOnClickListener(onClickListener);        btn_main_call.setOnLongClickListener(this);        btn_main_sms.setOnLongClickListener(this);    }    @Override    public boolean onLongClick(View v) {        if (v == btn_main_call) {            onCall();        } else if (v == btn_main_sms) {            onSendSms();        }        return true;    }    public void onCall() {        if (ActivityCompat.checkSelfPermission(this, Manifest.permission.CALL_PHONE) != PackageManager.PERMISSION_GRANTED) {            ActivityCompat.requestPermissions(this, permissions, REQUEST_CALL_CODE);        } else {            String action = Intent.ACTION_CALL;            String phone = text_main_phone.getText().toString();            Uri uri = Uri.parse("tel:" + phone);            Intent intent = new Intent(action, uri);            startActivity(intent);        }    }    public void onSendSms() {        if (ActivityCompat.checkSelfPermission(this, Manifest.permission.SEND_SMS) != PackageManager.PERMISSION_GRANTED) {            ActivityCompat.requestPermissions(this, permissions, REQUEST_SMS_CODE);        } else {            String phone = text_main_phone.getText().toString();            String sms_body = text_main_sms.getText().toString();            SmsManager smsManager = SmsManager.getDefault();            smsManager.sendTextMessage(phone, null, sms_body, null, null);        }    }    @Override    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {        switch (requestCode) {            case REQUEST_CALL_CODE:                if (grantResults.length>0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {                    onCall();                } else {                    Log.d("TAG", "Call Permission Not Granted");                }                break;            case REQUEST_SMS_CODE:                if (grantResults.length>0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {                    onSendSms();                } else {                    Log.d("TAG", "SMS Permission Not Granted");                }                break;            default:                break;        }    }}