[转] Detect home button press in android

原文地址:https://stackoverflow.com/a/27956263/6091500
亲测可用。
测试用机: 小米 2S Android 5.0

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HomeWatcher mHomeWatcher = new HomeWatcher(this);  
mHomeWatcher.setOnHomePressedListener(new OnHomePressedListener() {
@Override
public void onHomePressed() {
ALog.i(TAG, "***** ===== onHomePressed() ===== *****");
}
@Override
public void onHomeLongPressed() {
ALog.i(TAG, "***** ===== onHomeLongPressed() ===== *****");
}
});
mHomeWatcher.startWatch();

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public interface OnHomePressedListener {
public void onHomePressed();
public void onHomeLongPressed();
}
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import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
/**
* Created by Michael Leo <y@ho1ho.com>
* Date: 2017/07/20 17:38
*/
public class HomeWatcher {
private static final String TAG = HomeWatcher.class.getSimpleName();
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);
}
}
public void stopWatch() {
if (mRecevier != null) {
mContext.unregisterReceiver(mRecevier);
}
}
class InnerRecevier extends BroadcastReceiver {
final String SYSTEM_DIALOG_REASON_KEY = "reason";
final String SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS = "globalactions";
final String SYSTEM_DIALOG_REASON_RECENT_APPS = "recentapps";
final String SYSTEM_DIALOG_REASON_HOME_KEY = "homekey";
final String SYSTEM_DIALOG_REASON_LONG_PRESS = "assist";
final String SYSTEM_DIALOG_REASON_VOICE_INTERACTION = "voiceinteraction";
@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) {
ALog.e(TAG, "action:" + action + ",reason:" + reason);
if (mListener != null) {
if (reason.equals(SYSTEM_DIALOG_REASON_HOME_KEY)) {
mListener.onHomePressed();
} else if (reason.equals(SYSTEM_DIALOG_REASON_RECENT_APPS)) {
mListener.onHomeLongPressed();
} else if (reason.equals(SYSTEM_DIALOG_REASON_LONG_PRESS)) {
mListener.onHomeLongPressed();
} else if (reason.equals(SYSTEM_DIALOG_REASON_VOICE_INTERACTION)) {
mListener.onHomeLongPressed();
}
}
}
}
}
}
}
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