Android example source code file (GSMTestHandler.java)

This example Android source code file (GSMTestHandler.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" ^TM.

Java - Android tags/keywords

android, boolean, content, context, fail_timeout_millis, gsm, gsmphone, gsmphonetest, gsmtesthandler, handler, handlerthread, interruptedexception, looper, message, os, override, simulatedcommands, telephony, test, testphonenotifier

The GSMTestHandler.java Android example source code

/*
 * Copyright (C) 2009 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.internal.telephony.gsm;

import android.content.Context;

import android.os.Handler;
import android.os.HandlerThread;
import android.os.Looper;
import android.os.Message;
import android.util.Log;

import com.android.internal.telephony.gsm.GSMPhone;
import com.android.internal.telephony.test.SimulatedCommands;
import com.android.internal.telephony.TestPhoneNotifier;

/**
 * This class creates a HandlerThread which waits for the various messages.
 */
public class GSMTestHandler extends HandlerThread implements Handler.Callback {

    private Handler mHandler;
    private Message mCurrentMessage;

    private Boolean mMsgConsumed;
    private SimulatedCommands sc;
    private GSMPhone mGSMPhone;
    private Context mContext;

    private static final int FAIL_TIMEOUT_MILLIS = 5 * 1000;

    public GSMTestHandler(Context context) {
        super("GSMPhoneTest");
        mMsgConsumed = false;
        mContext = context;
   }

    @Override
    protected void onLooperPrepared() {
        sc = new SimulatedCommands();
        mGSMPhone = new GSMPhone(mContext, sc, new TestPhoneNotifier(), true);
        mHandler = new Handler(getLooper(), this);
        synchronized (this) {
            notifyAll();
        }
    }

    public boolean handleMessage(Message msg) {
        synchronized (this) {
            mCurrentMessage = msg;
            this.notifyAll();
            while(!mMsgConsumed) {
                try {
                    this.wait();
                } catch (InterruptedException e) {}
            }
            mMsgConsumed = false;
        }
        return true;
    }


    public void cleanup() {
        Looper looper = getLooper();
        if (looper != null) looper.quit();
        mHandler = null;
    }

    public Handler getHandler() {
        return mHandler;
    }

    public SimulatedCommands getSimulatedCommands() {
        return sc;
    }

    public GSMPhone getGSMPhone() {
        return mGSMPhone;
    }

    public Message waitForMessage(int code) {
        Message msg;
        while(true) {
            msg = null;
            synchronized (this) {
                try {
                    this.wait(FAIL_TIMEOUT_MILLIS);
                } catch (InterruptedException e) {
                }

                // Check if timeout has occurred.
                if (mCurrentMessage != null) {
                    // Consume the message
                    msg = Message.obtain();
                    msg.copyFrom(mCurrentMessage);
                    mCurrentMessage = null;
                    mMsgConsumed = true;
                    this.notifyAll();
                }
            }
            if (msg == null || code == GSMPhoneTest.ANY_MESSAGE || msg.what == code) return msg;
       }
    }
}