Use the provided Messenger to send a Message to a Handler in another process. - Android android.os

Android examples for android.os:Messenger

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Description

Use the provided Messenger to send a Message to a Handler in another process.

Demo Code


//package com.java2s;

import android.os.Bundle;

import android.os.Message;
import android.os.Messenger;
import android.os.RemoteException;

public class Main {
    /**//from  w  w  w  .j a v  a2  s .  c o  m
     * The key used to store/retrieve a file's pathname from a Bundle.
     */
    public static final String PATHNAME_KEY = "PATHNAME";

    /**
     *   Use the provided Messenger to send a Message to a Handler in
     *   another process.
     *
     *    The provided string, outputPath, should be put into a Bundle
     *    and included with the sent Message.
     */
    public static void sendPath(String outputPath, Messenger messenger) {
        Message msg = Message.obtain();
        Bundle data = new Bundle();
        data.putString(PATHNAME_KEY, outputPath);

        // Make the Bundle the "data" of the Message.
        msg.setData(data);

        try {
            // Send the Message back to the client Activity.
            messenger.send(msg);
        } catch (RemoteException e) {
            e.printStackTrace();
        }
    }
}

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