Android 单击主页按钮时如何停止服务?
我有一个Android 单击主页按钮时如何停止服务?,android,android-studio,Android,Android Studio,我有一个SoundService用于加载时播放声音应用程序。 我在一次活动中开始服务。我想在单击主页按钮时停止服务。 当我在MainActivity的onPausecallback中添加stopService时,它会在单击home按钮时停止服务,也会在启动另一个活动时停止服务 protected void onPause() { stopService(new Intent(MainActivity.this, SoundService.class)); super.onPa
SoundService
用于加载时播放声音应用程序。
我在一次活动中开始服务。我想在单击主页按钮时停止服务。
当我在MainActivity的onPause
callback中添加stopService时,它会在单击home按钮时停止服务,也会在启动另一个活动时停止服务
protected void onPause() {
stopService(new Intent(MainActivity.this, SoundService.class));
super.onPause();
}
请改用Activity.onBackPressed()方法。请改用Activity.onBackPressed()方法。将此代码用于主页按钮按下事件:
HomeWatcher mHomeWatcher = new HomeWatcher(this);
mHomeWatcher.setOnHomePressedListener(new OnHomePressedListener() {
@Override
public void onHomePressed() {
// do something here...
}
@Override
public void onHomeLongPressed() {
}
});
mHomeWatcher.startWatch();
HomeWatcher.class:
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.util.Log;
public class HomeWatcher {
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);
}
}
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";
@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();
} else if (reason.equals(SYSTEM_DIALOG_REASON_RECENT_APPS)) {
mListener.onHomeLongPressed();
}
}
}
}
}
}
}
public interface OnHomePressedListener {
public void onHomePressed();
public void onHomeLongPressed();
}
OnHomePressedListener.class:
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.util.Log;
public class HomeWatcher {
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);
}
}
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";
@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();
} else if (reason.equals(SYSTEM_DIALOG_REASON_RECENT_APPS)) {
mListener.onHomeLongPressed();
}
}
}
}
}
}
}
public interface OnHomePressedListener {
public void onHomePressed();
public void onHomeLongPressed();
}
将此代码用于主页按钮按下事件:
HomeWatcher mHomeWatcher = new HomeWatcher(this);
mHomeWatcher.setOnHomePressedListener(new OnHomePressedListener() {
@Override
public void onHomePressed() {
// do something here...
}
@Override
public void onHomeLongPressed() {
}
});
mHomeWatcher.startWatch();
HomeWatcher.class:
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.util.Log;
public class HomeWatcher {
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);
}
}
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";
@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();
} else if (reason.equals(SYSTEM_DIALOG_REASON_RECENT_APPS)) {
mListener.onHomeLongPressed();
}
}
}
}
}
}
}
public interface OnHomePressedListener {
public void onHomePressed();
public void onHomeLongPressed();
}
OnHomePressedListener.class:
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.util.Log;
public class HomeWatcher {
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);
}
}
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";
@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();
} else if (reason.equals(SYSTEM_DIALOG_REASON_RECENT_APPS)) {
mListener.onHomeLongPressed();
}
}
}
}
}
}
}
public interface OnHomePressedListener {
public void onHomePressed();
public void onHomeLongPressed();
}
关于活动:
您可以选择:
((活动)getActivity()).finish()
从Activity开始,只需Activity.onBackPressed()方法或Finish()方法即可
服务:
对于片段:
getActivity().stopService(新的意图(getActivity(),ServiceClassName.class))
活动:
.stopService(新意图(getActivity(),ServiceClassName.class)) 对于活动:
您可以选择:
((活动)getActivity()).finish()
从Activity开始,只需Activity.onBackPressed()方法或Finish()方法即可
服务:
对于片段:
getActivity().stopService(新的意图(getActivity(),ServiceClassName.class))
活动:
.stopService(新意图(getActivity(),ServiceClassName.class)) 由于没有内置的方法来侦听主按钮单击侦听器,所以最好使用另一个应用程序事件来停止服务。最接近的方法是在应用程序进入后台时收听。为了实现这一点,可以使用。只需在流程生命周期的观察者中使用
onStop
事件即可停止服务。
更多信息可以在中找到。由于没有内置的方法来侦听主按钮单击侦听器,因此最好使用另一个应用程序事件来停止服务。最接近的方法是在应用程序进入后台时收听。为了实现这一点,可以使用。只需在流程生命周期的观察者中使用
onStop
事件即可停止服务。
更多信息请访问。我希望它能帮助您:我希望它能帮助您: