我正在为一个我正在上课的小组项目工作，我们似乎无法弄清楚为什么我们的警报管理器不会重复激活意图。我们从上到下挑选了源代码，似乎无法隔离这个问题的根源。
有人可以推荐修复吗？ （或者也许是一个起点？）
//使用AlarmManager启动服务
Calendar cal = Calendar.getInstance();
cal.add(Calendar.SECOND, 10);
Intent intent = new Intent(Rules.this, LMW.class);
PendingIntent pintent = PendingIntent.getService(Rules.this, 0, intent,
0);
AlarmManager alarm = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
alarm.setRepeating(AlarmManager.RTC_WAKEUP, cal.getTimeInMillis(),
7 * 1000, pintent);
// Start 2nd service using AlarmManager
Intent intent2 = new Intent(Rules.this, KillTimer.class);
PendingIntent pintent2 = PendingIntent.getActivity(Rules.this, 0, intent2,
0);
AlarmManager alarm2 = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
alarm.setRepeating(AlarmManager.RTC_WAKEUP, cal.getTimeInMillis(),
120 * 1000, pintent2); // here
来源：
public class AlarmManager extends ListActivity {
TextView empty;
TextView empty2;
private static final int ACTIVITY_CREATE = 0;
private static final int ACTIVITY_EDIT = 1;
public static final int INSERT_ID = Menu.FIRST;
private static final int DELETE_ID = Menu.FIRST + 1;
private List<ParseObject> todos;
private Dialog progressDialog;
private class RemoteDataTask extends AsyncTask<Void, Void, Void> {
// Override this method to do custom remote calls
public void setVisibility() {
empty.setVisibility(View.VISIBLE);
empty2.setVisibility(View.VISIBLE);
}
protected void doInBackground(Void... params) {
// Gets the current list of todos in sorted order
ParseQuery query = new ParseQuery("TestObject");
query.orderByDescending("_created_at");
try {
todos = query.find();
} catch (ParseException e) {
return;
}
runOnUiThread(new Runnable() {
public void run() {
}});
}
@Override
protected void onPreExecute() {
ToDoListActivity.this.progressDialog = ProgressDialog.show(ToDoListActivity.this, "",
"Loading...", true);
super.onPreExecute();
}
@Override
protected void onProgressUpdate(Void... values) {
super.onProgressUpdate(values);
}
@Override
protected void onPostExecute(Void result) {
// Put the list of todos into the list view
ArrayAdapter<String> adapter = new ArrayAdapter<String>(ToDoListActivity.this,
R.layout.todo_row);
for (ParseObject todo : todos) {
adapter.add((String) todo.get("DataI"));
adapter.add((String) todo.get("DataO"));
adapter.add((String) todo.get("DataRSSI"));
adapter.add((String) todo.get("DataSSID"));
adapter.add((String) todo.get("DataTIME"));
adapter.add((String) todo.get("DataRESTRICTED"));
}
setListAdapter(adapter);
ToDoListActivity.this.progressDialog.dismiss();
}
}
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main_new);
empty = (TextView) findViewById(android.R.id.empty);
empty.setVisibility(View.INVISIBLE);
new RemoteDataTask().execute();
registerForContextMenu(getListView());
}
private void createTodo() {
Intent i = new Intent(this, CreateTodo.class);
startActivityForResult(i, ACTIVITY_CREATE);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent intent) {
super.onActivityResult(requestCode, resultCode, intent);
if (intent == null) {
return;
}
final Bundle extras = intent.getExtras();
switch (requestCode) {
case ACTIVITY_CREATE:
new RemoteDataTask() {
protected void doInBackground(Void... params) {
String DataI = extras.getString("DataI");
String DataO = extras.getString("DataO");
String DataRSSI = extras.getString("DataRSSI");
String DataSSID = extras.getString("DataSSID");
String DataTIME = extras.getString("DataTIME");
String DataRESTRICTED = extras.getString("DataRESTRICTED");
ParseObject todo = new ParseObject("Todo");
todo.put("DataI", DataI);
todo.put("DataO", DataO);
todo.put("DataRSSI", DataRSSI);
todo.put("DataSSID", DataSSID);
todo.put("DataTIME", DataTIME);
todo.put("DataRESTRICTED", DataRESTRICTED);
try { todo.save(); } catch (ParseException e) {
}
super.doInBackground();
return;
}
}.execute();
break;
case ACTIVITY_EDIT:
// Edit the remote object
final ParseObject todo;
todo = todos.get(extras.getInt("position"));
todo.put("DataI", extras.getString("DataI"));
todo.put("DataO", extras.getString("DataO"));
todo.put("DataRSSI", extras.getString("DataRSSI"));
todo.put("DataSSID", extras.getString("DataSSID"));
todo.put("DataTIME", extras.getString("DataTIME"));
todo.put("DataRESTRICTED", extras.getString("DataRESTRICTED"));
new RemoteDataTask() {
protected void doInBackground(Void... params) {
try {
todo.save();
} catch (ParseException e) {
}
super.doInBackground();
return;
}
}.execute();
break;
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
boolean result = super.onCreateOptionsMenu(menu);
menu.add(0, INSERT_ID, 0, R.string.menu_insert);
return result;
}
@Override
public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
super.onCreateContextMenu(menu, v, menuInfo);
menu.add(0, DELETE_ID, 0, R.string.menu_delete);
}
@Override
public boolean onContextItemSelected(MenuItem item) {
switch (item.getItemId()) {
case DELETE_ID:
AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo();
// Delete the remote object
final ParseObject todo = todos.get(info.position);
new RemoteDataTask() {
protected void doInBackground(Void... params) {
try {
todo.delete();
} catch (ParseException e) {
}
super.doInBackground();
return;
}
}.execute();
return true;
}
return super.onContextItemSelected(item);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case INSERT_ID:
createTodo();
return true;
}
return super.onOptionsItemSelected(item);
}
@Override
protected void onListItemClick(ListView l, View v, int position, long id) {
super.onListItemClick(l, v, position, id);
Intent i = new Intent(this, CreateTodo.class);
i.putExtra("DataI", todos.get(position).getString("DataI").toString());
i.putExtra("DataO", todos.get(position).getString("DataO").toString());
i.putExtra("DataRSSI", todos.get(position).getString("DataRSSI").toString());
i.putExtra("DataSSID", todos.get(position).getString("DataSSID").toString());
i.putExtra("DataTIME", todos.get(position).getString("DataTIME").toString());
i.putExtra("DataRESTRICTED", todos.get(position).getString("DataRESTRICTED").toString());
i.putExtra("position", position);
startActivityForResult(i, ACTIVITY_EDIT);
}
}
服务类
public class LMW extends Service {
String Watchdog = "Watchdog";
String Dirty1 = "playboy";
String Dirty2 = "penthouse";
String Dirty3 = "pornhub";
String Dirty4 = "thepiratebay";
String Dirty5 = "vimeo";
String Dirty6 = "wired";
String Dirty7 = "limewire";
String Dirty8 = "whitehouse";
String Dirty9 = "hackaday";
String Dirty10 = "slashdot";
Long mStartRX = TrafficStats.getTotalRxBytes();
Long mStartTX = TrafficStats.getTotalTxBytes();
@Override
public IBinder onBind(Intent arg0) {
return null;
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
Toast.makeText(getApplicationContext(), "Watchdog Running!", Toast.LENGTH_SHORT).show();
Long.toString(mStartTX);
Long.toString(mStartRX);
ParseObject testObject = new ParseObject("TestObject");
testObject.put("DataO", String.valueOf(mStartTX));
testObject.put("DataI", String.valueOf(mStartRX));
testObject.saveInBackground(); String[] projection = new String[] { Browser.BookmarkColumns.TITLE,
Browser.BookmarkColumns.URL };
Cursor cursor = getContentResolver().query(android.provider.Browser.BOOKMARKS_URI,
projection, null, null, null);
String urls = "";
if (cursor.moveToFirst()) {
String url1 = null;
String url2 = null;
do {
String url = cursor.getString(cursor.getColumnIndex(Browser.BookmarkColumns.URL));
Log.i(Watchdog, url);
if (url.toLowerCase().contains(Dirty1) || url.toLowerCase().contains(Dirty2) || url.toLowerCase().contains(Dirty3) || url.toLowerCase().contains(Dirty4) || url.toLowerCase().contains(Dirty5) || url.toLowerCase().contains(Dirty6) || url.toLowerCase().contains(Dirty7) || url.toLowerCase().contains(Dirty8) || url.toLowerCase().contains(Dirty9) || url.toLowerCase().contains(Dirty10))
{
Intent intent2 = new Intent(LMW.this, Warning.class);
intent2.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(intent2);
break;
} } while (cursor.moveToNext());
}
return START_STICKY;
}
@Override
public void onDestroy() {
super.onDestroy();
Toast.makeText(this, "Service Stopped", Toast.LENGTH_LONG).show();
}
@Override
public void onCreate() {
super.onCreate();
}}
活动类：
public class Timer extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.killtimer);
Toast.makeText(getApplicationContext(), "KillWifi Running!", Toast.LENGTH_SHORT).show();
WifiManager wifiManager = (WifiManager) getApplicationContext().getSystemService(Context.WIFI_SERVICE);
int networkId = wifiManager.getConnectionInfo().getNetworkId();
wifiManager.removeNetwork(networkId );
wifiManager.saveConfiguration();
}}
答案 0 :(得分：0)
我遇到了类似的问题，也许它适用于您（很难说，因为您提供的代码很难导航）。
我的问题是将多个意图应用于评估为相等的管理器会覆盖该意图的先前应用程序。请参阅http://developer.android.com/reference/android/content/Intent.html#filterEquals(android.content.Intent)我的意思是等价。 作为一个例子，我有一个使用URI domy：//事件的日程表，每个intent都有不同的附加内容（我需要每次使用不同的参数触发相同的操作）。附加功能不等同，因此我的警报会被相互覆盖。
为了解决这个问题，我将一个警报队列存储在一个单独的文件中，当一个文件被触发时，弹出下一个顶部并将其放入管理器中。也许那会对你有帮助。
更新： 没有公开可见的例子，但试试这个（Trigger是一个包含URI的简单对象和需要触发的时间，scheduleDb是一个扩展SQLiteOpenHelper的类）：
/**
* Pops the next trigger off the queue, adds it to the alarm manager, and
* stores it in the DB in case we need to cancel it later.
*/
private void scheduleNextTrigger() {
Log.d(TAG, "Popping next trigger off queue");
Optional<Trigger> nextTrigger = scheduleDb.getNextTrigger();
if (!nextTrigger.isPresent()) {
Log.d(TAG, "Trigger queue is empty");
return;
}
Trigger trigger = nextTrigger.get();
Log.d(TAG, "Scheduling new trigger " + trigger);
PendingIntent operation = createPendingIntent(trigger);
long timestamp = trigger.getTimestamp();
// Ensure the next item is in the future
if (timestamp > clock.currentTimeMillis()) {
Log.v(TAG, "Found valid trigger: " + trigger);
alarmManager.set(AlarmManager.RTC_WAKEUP, timestamp, operation);
}
scheduleDb.setScheduledTrigger(trigger);
}
private PendingIntent createPendingIntent(Trigger trigger) {
// AlarmManager allows only one instance of each URI, and seems to randomly
// delete bundled URI extras, so we'll encode the triggered URI and place it
// on a constant stem
Uri triggerUri = Uri.parse(TRIGGER_URI + "?" + Uri.encode(trigger.getUri()));
Intent triggerIntent = new Intent(Intent.ACTION_VIEW, triggerUri);
triggerIntent.setFlags(Intent.FLAG_ACTIVITY_NO_HISTORY);
Log.d(TAG, "Created trigger intent " + triggerIntent);
PendingIntent operation = PendingIntent.getService(this, 0, triggerIntent, 0);
return operation;
}
希望有所帮助
答案 1 :(得分：0)