Broadcast接收广播提示时间和日期

package com.example.administrator.mytestapp.BroadcastDemo;

import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

import com.example.administrator.mytestapp.R;

public class BroadcastActivity extends AppCompatActivity {
private Button showdateBtn,showtimeBtn;
   // private static final String ACTION="android.intent.action.EDIT";
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_broadcast);
        showdateBtn= (Button) findViewById(R.id.BtnShowDate);
        showtimeBtn= (Button) findViewById(R.id.BtnShowTime);
        showdateBtn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent1=new Intent("android.intent.action.EDIT");
                intent1.putExtra("content","Date");
                sendBroadcast(intent1);
                //Toast.makeText(BroadcastActivity.this, "获取日期的广播发出去了", Toast.LENGTH_SHORT).show();
            }
        });
        showtimeBtn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent2=new Intent("android.intent.action.EDIT");
                intent2.putExtra("content","Time");
                sendBroadcast(intent2);
                Toast.makeText(BroadcastActivity.this, "获取时间的广播发出去了", Toast.LENGTH_SHORT).show();
            }
        });
    }
}

package com.example.administrator.mytestapp.BroadcastDemo;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.util.Log;
import android.widget.Toast;

import java.util.Calendar;

public class ShowBroadReceiver extends BroadcastReceiver {
    public ShowBroadReceiver() {
        Log.e( "TAG","Receiver被实例化" );
    }
    @Override
    public void onReceive(Context context, Intent intent) {
//        Log.e("content","11111111111");
      String data=intent.getExtras().getString("content");
        Log.e("content",data);
        Calendar mc=Calendar.getInstance();
        if (data.equals("Date"))
        {
            int year=mc.get(Calendar.YEAR);
            int month=mc.get(Calendar.MONTH);
            int day=mc.get(Calendar.DAY_OF_MONTH);
            Log.e("TAG","-----------------------获取日期");
            Toast.makeText(context, year+"年"+month+"月"+day+"日", Toast.LENGTH_LONG).show();
        }else if (data.equals("Time"))
        {
            int hour=mc.get(Calendar.HOUR_OF_DAY);
            int minute=mc.get(Calendar.MINUTE);
            int second=mc.get(Calendar.SECOND);
            Log.e("TAG","-----------------------获取时间");
            Toast.makeText(context,  hour+"时"+minute+"分"+second+"秒", Toast.LENGTH_LONG).show();
        }else
        {
            Toast.makeText(context, "广播错误", Toast.LENGTH_SHORT).show();
        }
    }
}

<activity android:name=".BroadcastDemo.BroadcastActivity">
  <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>

        <receiver
            android:name=".BroadcastDemo.ShowBroadReceiver"
            android:enabled="true"
            android:exported="true">
            <intent-filter>
                <action android:name="android.intent.action.EDIT"></action>
            </intent-filter>
        </receiver>

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout 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"
    tools:context="com.example.administrator.mytestapp.BroadcastDemo.BroadcastActivity">
<Button
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:id="@+id/BtnShowDate"
    android:text="显示日期"/>
    <Button
        android:layout_below="@+id/BtnShowDate"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/BtnShowTime"
        android:text="显示时间"/>

</RelativeLayout>