package com.tomer.alwayson.helpers; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.util.Log; public class HomeWatcher { private static final String TAG = "hg"; private Context mContext; private IntentFilter mFilter; private OnHomePressedListener mListener; private InnerRecevier mRecevier; public HomeWatcher(Context context) { mContext = context; mFilter = new IntentFilter(Intent.ACTION_CLOSE_SYSTEM_DIALOGS); } public void setOnHomePressedListener(OnHomePressedListener listener) { mListener = listener; mRecevier = new InnerRecevier(); } public void startWatch() { if (mRecevier != null) { mContext.registerReceiver(mRecevier, mFilter); } } void stopWatch() { if (mRecevier != null) { mContext.unregisterReceiver(mRecevier); } } public interface OnHomePressedListener { void onHomePressed(); } class InnerRecevier extends BroadcastReceiver { final String SYSTEM_DIALOG_REASON_KEY = "reason"; final String SYSTEM_DIALOG_REASON_HOME_KEY = "homekey"; @Override public void onReceive(Context context, Intent intent) { String action = intent.getAction(); if (action.equals(Intent.ACTION_CLOSE_SYSTEM_DIALOGS)) { String reason = intent.getStringExtra(SYSTEM_DIALOG_REASON_KEY); if (reason != null) { Log.e(TAG, "action:" + action + ",reason:" + reason); if (mListener != null) { if (reason.equals(SYSTEM_DIALOG_REASON_HOME_KEY)) { mListener.onHomePressed(); } } } } } } }