Android 安卓系统重启设备后如何启动服务
我想在重新启动设备后启动我的Android 安卓系统重启设备后如何启动服务,android,android-service,Android,Android Service,我想在重新启动设备后启动我的服务，我写了下面的代码，但当重新启动设备时，设备没有启动服务 清单： <activity android:name=".MainActivity"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="an
服务服务清单：
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name=".alarm1.alarm1"></activity>
<receiver android:name=".alarm1.AlarmReceiver">
<intent-filter>
<action android:name="android.intent.action.BOOT_COMPLETED"/>
</intent-filter>
</receiver>
<!-- Will not be called unless the application explicitly enables it -->
<receiver android:name=".alarm1.DeviceBootReceiver"
android:enabled="false">
<intent-filter>
<action android:name="android.intent.action.BOOT_COMPLETED"/>
</intent-filter>
</receiver>
public class alarm1 extends AppCompatActivity {
private PendingIntent pendingIntent;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_alarm1);
/* Retrieve a PendingIntent that will perform a broadcast */
Intent alarmIntent = new Intent(getApplicationContext(), AlarmReceiver.class);
pendingIntent = PendingIntent.getBroadcast(getApplicationContext(), 0, alarmIntent, 0);
findViewById(R.id.startAlarm).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
start();
}
});
findViewById(R.id.stopAlarm).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
cancel();
}
});
findViewById(R.id.stopAlarmAt10).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
startAt10();
}
});
}
public void start() {
AlarmManager manager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
int interval = 8000;
manager.setInexactRepeating(AlarmManager.RTC_WAKEUP, System.currentTimeMillis(), interval, pendingIntent);
Toast.makeText(this, "Alarm Set", Toast.LENGTH_SHORT).show();
}
public void cancel() {
AlarmManager manager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
manager.cancel(pendingIntent);
Toast.makeText(this, "Alarm Canceled", Toast.LENGTH_SHORT).show();
}
public void startAt10() {
AlarmManager manager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
int interval = 1000 * 60 * 20;
/* Set the alarm to start at 10:30 AM */
Calendar calendar = Calendar.getInstance();
calendar.setTimeInMillis(System.currentTimeMillis());
calendar.set(Calendar.HOUR_OF_DAY, 17);
calendar.set(Calendar.MINUTE, 15);
Toast.makeText(alarm1.this, "Start at 17:11", Toast.LENGTH_SHORT).show();
/* Repeating on every 20 minutes interval */
manager.setRepeating(AlarmManager.RTC_WAKEUP, calendar.getTimeInMillis(),
1000 * 60 * 3, pendingIntent);
}
}
public class AlarmReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
// For our recurring task, we'll just display a message
Toast.makeText(context, "I'm running", Toast.LENGTH_SHORT).show();
}
}
public class DeviceBootReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
if (intent.getAction().equals("android.intent.action.BOOT_COMPLETED")) {
/* Setting the alarm here */
Intent alarmIntent = new Intent(context, AlarmReceiver.class);
PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, alarmIntent, 0);
AlarmManager manager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
int interval = 8000;
manager.setInexactRepeating(AlarmManager.RTC_WAKEUP, System.currentTimeMillis(), interval, pendingIntent);
Toast.makeText(context, "Alarm Set", Toast.LENGTH_SHORT).show();
}
}
}
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name=".alarm1.alarm1"></activity>
<receiver android:name=".alarm1.AlarmReceiver">
<intent-filter>
<action android:name="android.intent.action.BOOT_COMPLETED"/>
</intent-filter>
</receiver>
<!-- Will not be called unless the application explicitly enables it -->
<receiver android:name=".alarm1.DeviceBootReceiver"
android:enabled="false">
<intent-filter>
<action android:name="android.intent.action.BOOT_COMPLETED"/>
</intent-filter>
</receiver>
public class alarm1 extends AppCompatActivity {
private PendingIntent pendingIntent;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_alarm1);
/* Retrieve a PendingIntent that will perform a broadcast */
Intent alarmIntent = new Intent(getApplicationContext(), AlarmReceiver.class);
pendingIntent = PendingIntent.getBroadcast(getApplicationContext(), 0, alarmIntent, 0);
findViewById(R.id.startAlarm).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
start();
}
});
findViewById(R.id.stopAlarm).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
cancel();
}
});
findViewById(R.id.stopAlarmAt10).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
startAt10();
}
});
}
public void start() {
AlarmManager manager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
int interval = 8000;
manager.setInexactRepeating(AlarmManager.RTC_WAKEUP, System.currentTimeMillis(), interval, pendingIntent);
Toast.makeText(this, "Alarm Set", Toast.LENGTH_SHORT).show();
}
public void cancel() {
AlarmManager manager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
manager.cancel(pendingIntent);
Toast.makeText(this, "Alarm Canceled", Toast.LENGTH_SHORT).show();
}
public void startAt10() {
AlarmManager manager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
int interval = 1000 * 60 * 20;
/* Set the alarm to start at 10:30 AM */
Calendar calendar = Calendar.getInstance();
calendar.setTimeInMillis(System.currentTimeMillis());
calendar.set(Calendar.HOUR_OF_DAY, 17);
calendar.set(Calendar.MINUTE, 15);
Toast.makeText(alarm1.this, "Start at 17:11", Toast.LENGTH_SHORT).show();
/* Repeating on every 20 minutes interval */
manager.setRepeating(AlarmManager.RTC_WAKEUP, calendar.getTimeInMillis(),
1000 * 60 * 3, pendingIntent);
}
}
public class AlarmReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
// For our recurring task, we'll just display a message
Toast.makeText(context, "I'm running", Toast.LENGTH_SHORT).show();
}
}
public class DeviceBootReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
if (intent.getAction().equals("android.intent.action.BOOT_COMPLETED")) {
/* Setting the alarm here */
Intent alarmIntent = new Intent(context, AlarmReceiver.class);
PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, alarmIntent, 0);
AlarmManager manager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
int interval = 8000;
manager.setInexactRepeating(AlarmManager.RTC_WAKEUP, System.currentTimeMillis(), interval, pendingIntent);
Toast.makeText(context, "Alarm Set", Toast.LENGTH_SHORT).show();
}
}
}
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name=".alarm1.alarm1"></activity>
<receiver android:name=".alarm1.AlarmReceiver">
<intent-filter>
<action android:name="android.intent.action.BOOT_COMPLETED"/>
</intent-filter>
</receiver>
<!-- Will not be called unless the application explicitly enables it -->
<receiver android:name=".alarm1.DeviceBootReceiver"
android:enabled="false">
<intent-filter>
<action android:name="android.intent.action.BOOT_COMPLETED"/>
</intent-filter>
</receiver>
public class alarm1 extends AppCompatActivity {
private PendingIntent pendingIntent;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_alarm1);
/* Retrieve a PendingIntent that will perform a broadcast */
Intent alarmIntent = new Intent(getApplicationContext(), AlarmReceiver.class);
pendingIntent = PendingIntent.getBroadcast(getApplicationContext(), 0, alarmIntent, 0);
findViewById(R.id.startAlarm).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
start();
}
});
findViewById(R.id.stopAlarm).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
cancel();
}
});
findViewById(R.id.stopAlarmAt10).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
startAt10();
}
});
}
public void start() {
AlarmManager manager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
int interval = 8000;
manager.setInexactRepeating(AlarmManager.RTC_WAKEUP, System.currentTimeMillis(), interval, pendingIntent);
Toast.makeText(this, "Alarm Set", Toast.LENGTH_SHORT).show();
}
public void cancel() {
AlarmManager manager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
manager.cancel(pendingIntent);
Toast.makeText(this, "Alarm Canceled", Toast.LENGTH_SHORT).show();
}
public void startAt10() {
AlarmManager manager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
int interval = 1000 * 60 * 20;
/* Set the alarm to start at 10:30 AM */
Calendar calendar = Calendar.getInstance();
calendar.setTimeInMillis(System.currentTimeMillis());
calendar.set(Calendar.HOUR_OF_DAY, 17);
calendar.set(Calendar.MINUTE, 15);
Toast.makeText(alarm1.this, "Start at 17:11", Toast.LENGTH_SHORT).show();
/* Repeating on every 20 minutes interval */
manager.setRepeating(AlarmManager.RTC_WAKEUP, calendar.getTimeInMillis(),
1000 * 60 * 3, pendingIntent);
}
}
public class AlarmReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
// For our recurring task, we'll just display a message
Toast.makeText(context, "I'm running", Toast.LENGTH_SHORT).show();
}
}
public class DeviceBootReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
if (intent.getAction().equals("android.intent.action.BOOT_COMPLETED")) {
/* Setting the alarm here */
Intent alarmIntent = new Intent(context, AlarmReceiver.class);
PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, alarmIntent, 0);
AlarmManager manager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
int interval = 8000;
manager.setInexactRepeating(AlarmManager.RTC_WAKEUP, System.currentTimeMillis(), interval, pendingIntent);
Toast.makeText(context, "Alarm Set", Toast.LENGTH_SHORT).show();
}
}
}
如何修复此问题，以及在重新启动设备时启动
服务？在清单中添加权限
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
<receiver android:enabled="true" android:name=".alarm1.DeviceBootReceiver"
android:permission="android.permission.RECEIVE_BOOT_COMPLETED">
<intent-filter>
<action android:name="android.intent.action.BOOT_COMPLETED" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
</receiver>
在清单中添加接收方条目
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
<receiver android:enabled="true" android:name=".alarm1.DeviceBootReceiver"
android:permission="android.permission.RECEIVE_BOOT_COMPLETED">
<intent-filter>
<action android:name="android.intent.action.BOOT_COMPLETED" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
</receiver>
在清单中添加权限
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
<receiver android:enabled="true" android:name=".alarm1.DeviceBootReceiver"
android:permission="android.permission.RECEIVE_BOOT_COMPLETED">
<intent-filter>
<action android:name="android.intent.action.BOOT_COMPLETED" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
</receiver>
在清单中添加接收方条目
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
<receiver android:enabled="true" android:name=".alarm1.DeviceBootReceiver"
android:permission="android.permission.RECEIVE_BOOT_COMPLETED">
<intent-filter>
<action android:name="android.intent.action.BOOT_COMPLETED" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
</receiver>
您只需要
请求许可
及
显式启用接收器
该权限位于清单文件中：
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>
当用户取消所有报警时，应使用类似的代码禁用引导接收器。您只需
请求许可
及
显式启用接收器
该权限位于清单文件中：
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>
当用户取消所有报警时，您应该使用类似的代码禁用引导接收器。您是否已将接收引导\u完成
权限添加到您的清单中？@user13，不，我没有添加此权限您是否已将接收引导\u完成
权限添加到您的清单中？@user13，不，我没有添加此权限