[英]setRepeating of AlarmManager is only triggering for the first time and not repeating
我正在尝试实现一个警报管理器,每天都会调用它来更新数据库。 我首先尝试了 alarmManager 的 set 函数,它可以在某个时间触发警报。 然后我继续尝试使用 setRepeating 每天触发警报。 用于测试的每分钟重复一次的 setRepeating 函数只在第一次工作,并没有重复执行该功能。
这是我的广播接收器:
package com.example.bleh.myapplication;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.util.Log;
import android.widget.TextView;
import android.widget.Toast;
import com.example.bleh.myapplication.DB.AppDatabase;
import com.example.bleh.myapplication.DB.Plan;
import com.example.bleh.myapplication.DB.User;
import com.example.bleh.myapplication.Utils1.FormulaUtils;
import com.github.lzyzsd.circleprogress.DonutProgress;
public class AlarmReceiver extends BroadcastReceiver {
private static final String DEBUG_TAG = "AlarmReceiver";
public AppDatabase mydb;
Plan plan;
@Override
public void onReceive(Context context, Intent intent) {
Toast.makeText(context, "Alarm worked.", Toast.LENGTH_LONG).show();
mydb = AppDatabase.getInstance(context);
final long planid = intent.getExtras().getLong("planid");
final long userid = intent.getExtras().getLong("uid");
final String requirements = intent.getExtras().getString("requirements");
Log.wtf("PlanId: ",planid+"");
Log.wtf("UserId: ",userid+"");
Log.wtf("Requirements",requirements);
plan = mydb.getPlanDao(context).getPlanById((int) planid);
final User user = mydb.getUserDao(context).getUserById((int) userid);
plan.setCurrentWeight(FormulaUtils.reCalculateWeight(plan.getCurrentWeight(), Double.parseDouble(requirements)));
plan.setBmr(Double.parseDouble(FormulaUtils.calculateBmr(user.getSex(), plan.getCurrentWeight(), user.getHeight(), user.getBirthDay())));
plan.setNbOfDays(plan.getNbOfDays() - 1);
mydb.getPlanDao(context).update(plan);
String requirement = FormulaUtils.CalulcateDailyRequirements(plan.getWorkoutPerWeek(), plan.getBmr());
String day = plan.getNbOfDays() + "";
float progress = 0F;
// Start feature2 activity with updated data
Intent updateFeature2Intent = new Intent(context, feature2.class);
updateFeature2Intent.addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP | Intent.FLAG_ACTIVITY_CLEAR_TOP); // Add this flag
updateFeature2Intent.putExtra("requirement", requirement);
updateFeature2Intent.putExtra("day", day);
updateFeature2Intent.putExtra("progress", progress);
context.startActivity(updateFeature2Intent);
}
}
这是我的功能活动:
package com.example.bleh.myapplication;
import android.app.AlarmManager;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.graphics.Color;
import android.net.Uri;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.Spinner;
import android.widget.TextView;
import android.widget.TimePicker;
import android.widget.Toast;
import com.example.bleh.myapplication.DB.AppDatabase;
import com.example.bleh.myapplication.DB.Exercise;
import com.example.bleh.myapplication.DB.Food;
import com.example.bleh.myapplication.DB.Plan;
import com.example.bleh.myapplication.DB.User;
import com.example.bleh.myapplication.Utils1.FormulaUtils;
import com.github.lzyzsd.circleprogress.DonutProgress;
import java.text.DecimalFormat;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.List;
import java.util.TimeZone;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
public class feature2 extends AppCompatActivity {
public AppDatabase mydb;
TextView BMR,requirements,days;
Button addfood,addex,nextday;
LinearLayout mainLayout;
Button Meas,Bluetooth;
DonutProgress donutProgress;
Plan plan;
// Add this method
@Override
protected void onNewIntent(Intent intent) {
super.onNewIntent(intent);
// Get data from intent
String requirement = intent.getStringExtra("requirement");
String day = intent.getStringExtra("day");
float progress = intent.getFloatExtra("progress", 0F);
// Update UI
TextView requirements = findViewById(R.id.requirements);
TextView Days = findViewById(R.id.days);
DonutProgress dailyProgress = findViewById(R.id.donut_progress);
requirements.setText(requirement);
Days.setText(day);
dailyProgress.setProgress(progress);
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_feature2);
Intent intent = getIntent();
requirements = findViewById(R.id.requirements);
donutProgress = findViewById(R.id.donut_progress);
days = findViewById(R.id.days);
final long planid = intent.getExtras().getLong("planid");
final long userid = intent.getExtras().getLong("uid");
mydb = AppDatabase.getInstance(feature2.this);
plan = mydb.getPlanDao(feature2.this).getPlanById((int) planid);
try {
requirements.setText(FormulaUtils.CalulcateDailyRequirements(plan.getWorkoutPerWeek(), plan.getBmr()));
}
catch (Exception ex)
{
Log.wtf("There is no plan","!");
}
Intent intent1 = new Intent(this, AlarmReceiver.class);
intent1.putExtra("uid", userid);
intent1.putExtra("planid", planid);
intent1.putExtra("requirements",requirements.getText().toString());
Calendar updateTime = Calendar.getInstance();
updateTime.setTimeZone(TimeZone.getTimeZone("GMT"));
updateTime.set(Calendar.HOUR_OF_DAY, 8);
updateTime.set(Calendar.MINUTE, 3);
updateTime.set(Calendar.SECOND,0);
Date milliseconds = updateTime.getTime();
long millis = milliseconds.getTime();
PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0,
intent1, PendingIntent.FLAG_ONE_SHOT);
AlarmManager alarmManager = (AlarmManager) getSystemService(ALARM_SERVICE);
alarmManager.setRepeating(AlarmManager.RTC, millis ,60000, pendingIntent);
Toast.makeText(this, "Alarm set", Toast.LENGTH_LONG).show();
}
}
这是我的清单部分:
<receiver android:name=".AlarmReceiver"
android:enabled="true"
android:exported="true">
</receiver>
我之前在我的应用程序中遇到过这个问题
如果手机处于空闲状态,则不会在 api > 23 时触发重复警报。 请参阅安排重复闹钟
打瞌睡模式也会阻止警报。
您可以做的是使用setExact和setExactAndAllowWhileIdle for api > 23并使用您自己的逻辑来重复警报。
if (Build.VERSION.SDK_INT >= 23) {
alarmManager.setExactAndAllowWhileIdle(RTC_WAKEUP, calendar.getTimeInMillis(), alarmIntent);
} else {
alarmManager.setExact(RTC_WAKEUP, calendar.getTimeInMillis(), alarmIntent);
}
在接收器或由警报管理器触发的活动中再次触发警报。
在您的情况下,在 AlarmReceiver 中再次设置第二天的闹钟。
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