Android Widget Desktop component creation

Package com. king. android. speical; import com. king. android. r; import android. appwidget. appWidgetManager; import android. appwidget. appWidgetProvider; import android. content. componentName; import android. content. context; import android.

Learning about the Android UI widget Spinner

Package com. android. liu. ui; Import com. android. liu. R; Import android. app. Activity;Import android. OS. Bundle;Import android. view. View;Import android. widget. AdapterView;Import android. widget. ArrayAdapter;Import android. widget.

Play videos in Android

Package com. king. android. media; Import java. io. File;Import java. io. FilenameFilter; Import android. app. Activity;Import android. OS. Bundle;Import android. view. View;Import android. view. View. OnClickListener;Import android. widget. Button;

Android creates real-time folders

Package com. king. android. speical; import android. app. activity; import android. content. intent; import android.net. uri; import android. OS. bundle; import android. OS. parcelable; import android. provider. contacts; import android. provider.

AIDL is used between two Android processes.

We assume that two applications are A and B. My intention is to create Aidl in application B, implement the methods in aidl here, and then remotely call in application: Okay: I will first create B Application: package com. king. android.

Android communication bridge Intent

Although relatively simple, I 'd like to mention the main content.   Use of Intent IntentYou can start an Activity., You can also start a service,You can also initiate a broadcast. Activity startActivity (), startActivityForResult (); Service

Android UI development-RadioButton

Package com. android. liu. ui; Import android. app. Activity;Import android. OS. Bundle;Import android. widget. RadioButton;Import android. widget. RadioGroup;Import android. widget. Toast; Import com. android. liu. R; Public class RadioActivity

Service Components in Android

Serivce components: First, you must inherit from Serivce to implement the methods in its life cycle. Then, you must declare the In AndroidMainfest. xml before using it. You can call startService to start a Service, bindService to bind an existing

Recording songs in Android...

Package com. king. android. media; Import java. io. File;Import java. io. FilenameFilter;Import java. io. IOException;Import java. util. ArrayList;Import java. util. List; Import android. app. ListActivity;Import android. content. Intent;Import

Android development on IDEA

Introduction: IntelliJ IDEA supports the development of applications running on mobile phones, so it can also run in the Android operating system. In addition to the common code prompting assistant function, this IDE allows you to test the Android

Android UI time and date controls

Package com. android. liu. widget; Import java. util. Calendar; Import android. app. Activity;Import android. app. DatePickerDialog;Import android. app. TimePickerDialog;Import android. OS. Bundle;Import android. view. View;Import android. view.

Android Serivce advanced AIDL

Note: AIDL is required. 1. Create an aidl file first, as shown in IPerson. aidl. 2. After creation, refresh the file. You can see the Iperson. java file implemented by the proxy under R. gen. 3. Implement the aidl interface. For example, IpersonImpl.

Open-source Android projects for everyone to learn

Android open-source project categories for everyone to learn: kernel and Android read comments (1) collect reports A collection of open-source Android projects for you to learnAndroid development will bring about a new wave of popularity. Many

Android Custom Controls

Loading editor... Android custom control @ noTice501 today I will share with you the use of the combined control. In many cases, android custom controls cannot meet requirements. How can this problem be solved? Many methods can be drawn by yourself.

Android broadcast mechanism BroadCastReceiver

1. Pay attention to the broadcast initiation action, and register the broadcast in the AndroidMainfest. xml file, and the broadcast needs to be filtered using intent-filter. 2. System-level broadcast: The call is the same. You only need to register

Android interview questions (Classic)

This article is reproduced. I hope my friend has a good interview question to study ......1. Check whether the process of Android dvm is the same concept as that of Linux.DVM refers to the Virtual Machine of dalivk. Every Android application runs in

Android positioning problems: positioning on android

Positioning on android Recently, I am working on positioning related things to sort out and share my knowledge. 1. Positioning includes three types: Network, base station, and GPS 2. Either way, the core of positioning is to obtain the longitude and

Android alarm settings

Package com. king. android. media; Import java. util. Calendar; Import android. app. Activity;Import android. app. AlarmManager;Import android. app. PendingIntent;Import android. app. TimePickerDialog;Import android. content. Intent;Import android.

Android interview questions (1)

1. Check whether the process of Android dvm is the same concept as that of Linux. DVM refers to the Virtual Machine of dalivk. Every Android application runs in its own process and has an independent Dalvik Virtual Machine instance. Every DVM is a

Use of Notification and NotificationManager in Android

Basic Steps for using Notification: Use of noication ication and icationicationmanager 1. Obtain the system-level service NofifiactionManager String Service = NOFICATION_SERVICE Icationicationmanager nm = (NotificationManager) getSystemService

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