android

问题 I am currently trying to run multiple queries in firestore and want to wait for them to all complete before executing the next code. I've read up on several possible avenues but I have yet to find a good Android example. public HashMap<String,Boolean> multipleQueries(String collection, String field, final ArrayList<String> criteria) { HashMap<String,Boolean> resultMap = new HashMap<>(); for (int i = 0; i < criteria.size(); i++){ final int index = i; db.collection(collection).whereEqualTo

问题 In my android application using radio buttons to select screen view. I want radio button equally aligned horizontal. I tried layout xml shown below. <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" > <TextView android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="Views" android:paddingLeft="10dp"

问题 I noticed that one of my Android apps has set a custom background for its notification tile, as you can see in the screenshot below: How did this application set a custom background for its notification? How can I achieve the same thing in my own application? 来源： https://stackoverflow.com/questions/49804120/customizing-the-background-of-an-android-notification-tile

问题 SimpleDateFormat sdf = new SimpleDateFormat("dd-MM-yyyy HH:mm"); Calendar c = Calendar.getInstance(); String date = sdf.format(c.getTime()); i used this code to get the current time. but i want to get all data from firebase 1 month ago. what i must add the code? i used this code to retrieve all without compare anything mDatabasetamu.orderByChild("tglkeluar").equalTo(date).addListenerForSingleValueEvent(new ValueEventListener() { @Override public void onDataChange(@NonNull DataSnapshot

问题 I would like to connect to WiFi network programmatically. Here is my code: wifiManager = (WifiManager) this.getSystemService(Context.WIFI_SERVICE); wifiManager.setWifiEnabled(true); WifiConfiguration config = new WifiConfiguration(); config.SSID = "\"" + ssid + "\""; config.preSharedKey = "\""+ key +"\""; int netId = wifiManager.addNetwork(config); wifiManager.saveConfiguration(); wifiManager.disconnect(); wifiManager.enableNetwork(netId, true); wifiManager.reconnect(); When I have wifi

问题 How to search the Firestore database for the location Latitude and Longitude within a defined distance radius. Sample Database: COMPANIES - COMPANY 1 --Lat: 12345 --Long: 6789 - COMPANY 2 --Lat: 457851 --Long: 654214 - COMPANY 3 --Lat: 12345 --Long: 6789 - COMPANY 4 --Lat: 12463 --Long: 65487 Note: At Real Time I had the option to use GeoFire, but at Firestore I did not find any way. How could you go through the database and find the Companies according to your Location, within a radius of

问题 Recently started using IntelliJ IDE. I'm trying to open an Android project in IntelliJ which was build in Android studio IDE . But it resulted in number of issues. One of them which is not resolving is transformClassesWithDexBuilderForDebug . I've tried all possible solutions of dex issues, but nothing seems to work. On looking into --stacktrace found this error processing C:\Users\prath.gradle\caches\modules-2\files-2.1\org.projectlombok**lombok**\1.18.2

问题 How to search the Firestore database for the location Latitude and Longitude within a defined distance radius. Sample Database: COMPANIES - COMPANY 1 --Lat: 12345 --Long: 6789 - COMPANY 2 --Lat: 457851 --Long: 654214 - COMPANY 3 --Lat: 12345 --Long: 6789 - COMPANY 4 --Lat: 12463 --Long: 65487 Note: At Real Time I had the option to use GeoFire, but at Firestore I did not find any way. How could you go through the database and find the Companies according to your Location, within a radius of

问题 I would like to connect to WiFi network programmatically. Here is my code: wifiManager = (WifiManager) this.getSystemService(Context.WIFI_SERVICE); wifiManager.setWifiEnabled(true); WifiConfiguration config = new WifiConfiguration(); config.SSID = "\"" + ssid + "\""; config.preSharedKey = "\""+ key +"\""; int netId = wifiManager.addNetwork(config); wifiManager.saveConfiguration(); wifiManager.disconnect(); wifiManager.enableNetwork(netId, true); wifiManager.reconnect(); When I have wifi

问题 Hello I want to use Instagram api for the direct feature and don't have more knowledge about OAuth2.0. I know Instagram provides direct api this app is using direct api but i don't know how to implement it. I seen this question but i don't know how to work with this. I want to develop iOS application but i hope any android or windows developer can also help for api. 回答1: Instagram does not provide an API for direct messaging. 6tag is using Instagram's private API, which is supposed to be used