android 极光推送demo

【核心代码】

package jg.demo.com.jiguangtest;

import android.app.AlertDialog;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.support.v4.content.LocalBroadcastManager;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;

import cn.jpush.android.api.JPushInterface;
import jg.demo.com.jiguangtest.push.ExampleUtil;

public class MainActivity extends AppCompatActivity {


    private MessageReceiver mMessageReceiver;
    public static final String MESSAGE_RECEIVED_ACTION = "com.example.jpushdemo.MESSAGE_RECEIVED_ACTION";
    public static final String KEY_TITLE = "title";
    public static final String KEY_MESSAGE = "message";
    public static final String KEY_EXTRAS = "extras";
    public static boolean isForeground = false;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        Bundle bundle = this.getIntent().getExtras();
        if (bundle != null) {
            String message = bundle.getString("cn.jpush.android.ALERT");
            new AlertDialog.Builder(MainActivity.this).setTitle("消息").setMessage(message)
                    .setPositiveButton("确定", null).show();
        }
        setContentView(R.layout.activity_main);
        JPushInterface.setDebugMode(true);
        JPushInterface.init(this);
        registerMessageReceiver();



    }




    public void registerMessageReceiver() {
        mMessageReceiver = new MessageReceiver();
        IntentFilter filter = new IntentFilter();
        filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY);
        filter.addAction(MESSAGE_RECEIVED_ACTION);
        LocalBroadcastManager.getInstance(this).registerReceiver(mMessageReceiver, filter);
    }

    public class MessageReceiver extends BroadcastReceiver {

        @Override
        public void onReceive(Context context, Intent intent) {
            try {
                if (MESSAGE_RECEIVED_ACTION.equals(intent.getAction())) {
                    String messge = intent.getStringExtra(KEY_MESSAGE);
                    String extras = intent.getStringExtra(KEY_EXTRAS);
                    StringBuilder showMsg = new StringBuilder();
                    showMsg.append(KEY_MESSAGE   " : "   messge   "\n");
                    if (!ExampleUtil.isEmpty(extras)) {
                        showMsg.append(KEY_EXTRAS   " : "   extras   "\n");
                    }
                    setCostomMsg(showMsg.toString());
                }
            } catch (Exception e){
            }
        }
    }

    private void setCostomMsg(String msg){
        new AlertDialog.Builder(MainActivity.this).setTitle("消息").setMessage(msg)
                .setPositiveButton("确定", null).show();
    }

}