Android custom click control with sound TextViewButtonListView

When android control is in setonclick method, it will trigger performClick() method when it is clicked. We can implement this method in custom control and call a method to generate sound, that is to say, click control to generate sound. Custom control Only one custom Imageview is written here. Almost all other controls are the ...

Posted on Thu, 14 Nov 2019 10:41:02 -0500 by rgermain

Spring automatically assembles and injects arrays, collections and maps by type

When Spring automatically assembles and injects arrays, collections, and maps by type, it assembles bean s of the corresponding type in the application context into the collection, rather than directly finding a collection of the corresponding type and injecting it. Take the following code as an example ...

Posted on Fri, 18 Oct 2019 11:51:11 -0400 by shauny17

Android downloads audio files using URLConnection

This article links: Android downloads audio files using URLConnection Use MediaPlayer to play online audio, please refer to Android Media Player Plays Audio Sometimes we need to download audio files. This paper provides an idea to write online audio files to local files through streaming. Use URLConnection to establish the connection and write ...

Posted on Tue, 08 Oct 2019 04:39:01 -0400 by cyberrate

fragment+viewpager Picture and Video Mixed Rotation (videoview+glide)

Recently, we need to do a hybrid rotation of pictures and videos, because the previous rotation is using banner, which is relatively simple to implement, that is, new out, set up the picture set, then a set, so I want to find a third party that can be achieved, there is certainly, but I still did not ...

Posted on Mon, 30 Sep 2019 08:54:33 -0400 by ephmynus

Android Media Player Playback Process Analysis

The simplest Media Playback process is as follows, which can be played in five steps. String url = "http://........"; // your URL here MediaPlayer mediaPlayer = new MediaPlayer(); mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC); mediaPlayer.setDataSource(url); mediaPlayer.prepare(); // might take long! (for buffering, etc) mediaPlayer ...

Posted on Thu, 26 Sep 2019 02:09:24 -0400 by trexx

Android Quick Start-Actual Warfare: Music Player

Player 1.0 Basic function realization: Playlist: Generate basic Music classes package com.example.playaudiotest.model; public class Music { private int musicId; private String musicName; private String musicWriter; private St ...

Posted on Wed, 18 Sep 2019 05:21:53 -0400 by malam

How Android 8.0+ System Applications Live

Recently, as the buried point is uploaded in batches, not every time, there will be a mechanism to keep the process alive, which is also one of the self-developed implementation technologies: how to ensure the survival of the Android process. For Android, there are a few main ways to keep alive: Turn on foreground Service (good results, recomm ...

Posted on Thu, 22 Aug 2019 22:40:03 -0400 by hazy

Android Audio Recording and Playing

This paper introduces the operation of audio collection, coding, file generation and transcoding. Audio Record is used to collect audio and generate three file formats (pcm, wav, aac). Audio Stack is used to play the audio. 1. Introduction to the Headers of PCM, WAV and AAC Here is a brief introduc ...

Posted on Wed, 24 Jul 2019 07:02:46 -0400 by icon4tech

Audio development ijkplayer summary android

Reprint address: http://www.jianshu.com/p/55fbfd5b564a Recently, I have been exposed to some audio development operations and a tripartite library for audio development: github: https://github.com/Bilibili/ijkplayer. Some people ask why tripartite libraries are used: the most direct reason, of course, is that the MediaPlayer of the sy ...

Posted on Sun, 14 Jul 2019 18:42:55 -0400 by jonnypixel

Using ZXing Library to Scan Two-Dimensional Codes in Android Development

stay Last article In this paper, we introduce the generation of two-dimensional codes, then how to scan the generated two-dimensional codes after the generation of a two-dimensional code? With this in mind, we will go on to implement this function step by step. First of all, we introduce the idea: in order to realize the function of scanning ...

Posted on Fri, 05 Jul 2019 18:24:13 -0400 by Antistatic