5.4

//初始化   et_main_num.findViewById(R.id.et_main_num);   et_main_sms.findViewById(R.id.et_main_sms);   btn_main_call.findViewById(R.id.btn_main_call);   btn_main_send.findViewById(R.id.btn_main_send);   //给按钮设置监听   btn_main_call.setOnClickListener(onClickListener);   btn_main_send.setOnClickListener(onClickListener);      //给按钮设置   btn_main_call.setOnLongClickListener(this);   btn_main_send.setOnLongClickListener(this);  }  //点击  private OnClickListener onClickListener=new View.OnClickListener() {      @Override   public void onClick(View v) {    // TODO Auto-generated method stub    if (v==btn_main_call) {    // Toast.makeText(MainActivity.this, "点击打电话", Toast.LENGTH_SHORT).show();     //1.创建一个intent（隐士对象）     // Displayed com.android.dialer/com.android.incallui.InCallActivity: +10s453ms (total +19s211ms)

    String action="android.intent.action.DIAL";          Intent intent = new Intent(action);     //2.携带数据     String number = et_main_num.getText().toString().trim();     //intent.putExtra(name, value);     intent.setData(Uri.parse("tel:"+number));     //3.启动拨号界面     startActivity(intent);    }else if(v==btn_main_send){     //Toast.makeText(MainActivity.this, "点击发信息", Toast.LENGTH_SHORT).show();     Intent intent = new Intent(Intent.ACTION_SENDTO);     //携带数据     String number = et_main_num.getText().toString().trim();     String sms = et_main_sms.getText().toString().trim();     intent.setData(Uri.parse("smsto:"+number));     intent.putExtra("sms_body", sms);     //启动短信界面     startActivity(intent);    }   }  }; //长按  @Override  public boolean onLongClick(View v) {   // TODO Auto-generated method stub   if (v==btn_main_call) {   // Toast.makeText(MainActivity.this, "长按打电话", Toast.LENGTH_SHORT).show();    //android.intent.action.CALL    //创建一个intent隐士对象    Intent intent = new Intent(Intent.ACTION_CALL);    //2携带数据    String number = et_main_num.getText().toString().trim();    intent.setData(Uri.parse("tel:"+ number));    //3启动打电话界面    startActivity(intent);   }else if(v==btn_main_send){    //Toast.makeText(MainActivity.this, "长按发信息", Toast.LENGTH_SHORT).show();    //1.得到smsmanager对象        SmsManager smsManager=SmsManager.getDefault();    //2.发送文本信息    String number = et_main_num.getText().toString().trim();    String sms = et_main_sms.getText().toString().trim();    smsManager.sendTextMessage(number, null, sms, null, null);   }   return true;//表示此事件已经被消费了，不会再触发点击事件  }

 <!-- 打电话的权限 -->
    <uses-permission android:name="android.permission.CALL_PHONE"/>
    <!-- 发短信的权限 -->
    <uses-permission android:name="android.permission.SEND_SMS"/>