93 lines
2.2 KiB
Java
93 lines
2.2 KiB
Java
package org.thoughtcrime.securesms.sms;
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import android.content.Context;
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import android.os.Looper;
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import android.telephony.PhoneStateListener;
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import android.telephony.ServiceState;
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import android.telephony.TelephonyManager;
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public class TelephonyServiceState {
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public boolean isConnected(Context context) {
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ListenThread listenThread = new ListenThread(context);
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listenThread.start();
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return listenThread.get();
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}
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private static class ListenThread extends Thread {
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private final Context context;
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private boolean complete;
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private boolean result;
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public ListenThread(Context context) {
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this.context = context.getApplicationContext();
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}
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@Override
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public void run() {
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Looper looper = initializeLooper();
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ListenCallback callback = new ListenCallback(looper);
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TelephonyManager telephonyManager = (TelephonyManager)context.getSystemService(Context.TELEPHONY_SERVICE);
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telephonyManager.listen(callback, PhoneStateListener.LISTEN_SERVICE_STATE);
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Looper.loop();
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telephonyManager.listen(callback, PhoneStateListener.LISTEN_NONE);
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set(callback.isConnected());
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}
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private Looper initializeLooper() {
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Looper looper = Looper.myLooper();
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if (looper == null) {
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Looper.prepare();
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}
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return Looper.myLooper();
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}
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public synchronized boolean get() {
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while (!complete) {
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try {
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wait();
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} catch (InterruptedException e) {
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throw new AssertionError(e);
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}
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}
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return result;
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}
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private synchronized void set(boolean result) {
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this.result = result;
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this.complete = true;
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notifyAll();
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}
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}
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private static class ListenCallback extends PhoneStateListener {
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private final Looper looper;
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private volatile boolean connected;
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public ListenCallback(Looper looper) {
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this.looper = looper;
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}
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@Override
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public void onServiceStateChanged(ServiceState serviceState) {
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this.connected = (serviceState.getState() == ServiceState.STATE_IN_SERVICE);
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looper.quit();
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}
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public boolean isConnected() {
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return connected;
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}
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}
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}
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