简单仿照一个语音效果,效果图:
效果图
所以,首先先做一个Dialog用于展示我们说话的UI:
VoiceDialogManager.java
/**
* 语音Dialog 管理器
* Created by Administrator on 2017/2/28 0028.
*/
public class VoiceDialogManager {
private Dialog dialog;
private Context context;
private ImageView dialog_iv_icon;
private AnimationDrawable anim;
public VoiceDialogManager(Context context) {
this.context = context;
init();
}
/**
* Dialog初始化方法
*/
private void init() {
dialog = new Dialog(context, R.style.DialogThemes);
View inflate = LayoutInflater.from(context).inflate(R.layout.dialog_voice_manager, null);
dialog.show();
dialog.setContentView(inflate);
dialog_iv_icon = (ImageView) dialog.findViewById(R.id.dialog_iv_icon);
dialog_iv_icon.setBackgroundResource(R.drawable.frame);
anim = (AnimationDrawable) dialog_iv_icon.getBackground();
anim.start();
Window dialogWindow = dialog.getWindow();
WindowManager.LayoutParams lp = dialogWindow.getAttributes();
dialogWindow.setGravity(Gravity.BOTTOM /**| Gravity.TOP*/);
//lp.x = 100; // 新位置X坐标
lp.y = 100; // 新位置Y坐标
lp.width = dp2px(260); // 宽度
lp.height = dp2px(260); // 高度
lp.alpha = 0.7f; // 透明度
dialogWindow.setAttributes(lp);
}
private int dp2px(int dpValue) {
return (int) context.getResources().getDisplayMetrics().density * dpValue;
}
public void show() {
if (dialog != null) {
dialog.show();
}
}
public void dismiss() {
if (dialog != null) {
anim.stop();
dialog.dismiss();
anim = null;
dialog = null;
}
}
}
用到的布局文件:
dialog_voice_manager.xml
<?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:background="@drawable/shape"
android:gravity="center"
android:orientation="vertical">
<ImageView
android:id="@+id/dialog_iv_icon"
android:layout_width="90dp"
android:layout_height="90dp"
android:layout_gravity="center" />
</LinearLayout>
布局文件用到的圆角背景:
shape.xml
<?xml version="1.0" encoding="UTF-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<!-- 填充的颜色 -->
<solid android:color="#ccc" />
<!-- 设置按钮的四个角为弧形 -->
<!-- android:radius 弧形的半径 -->
<corners android:radius="15dip" />
<!-- padding:View边界的间隔 -->
<padding
android:bottom="10dp"
android:left="10dp"
android:right="10dp"
android:top="10dp" />
</shape>
frame动画xml
<?xml version="1.0" encoding="utf-8"?>
<animation-list xmlns:android="http://schemas.android.com/apk/res/android"
android:oneshot="false">
<item
android:drawable="@drawable/voice1"
android:duration="300" />
<item
android:drawable="@drawable/voice2"
android:duration="300" />
<item
android:drawable="@drawable/voice3"
android:duration="300" />
</animation-list>
语音动画图片资源:
v1
v2
v3
自此,一个语音动画的Dialog就已经完成了,那么我们下面继续真正录音的逻辑吧。
private MediaRecorder mediaRecorder;
private String mDir;
private String mFilePath;
public void prepareAudio() {//录音准备
try {
File dir = new File(mDir);
if (!dir.exists()) {
dir.mkdirs();//先检查和创建目录
}
//文件名例:x8n232iej2e3u4h35hj453.amr
String fileName = getFileName();//这里用时间戳或者UUID当做文件名
File file = new File(dir, fileName);//这里dir获取手机内存或者SD卡路径
mFilePath = file.getAbsolutePath();
mediaRecorder = new MediaRecorder();
//设置输出位置
mediaRecorder.setOutputFile(file.getAbsolutePath());
//设置麦克风为音源
mediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
//设置音频格式
mediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.RAW_AMR);
//设置音频编码amr
mediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
//准备
mediaRecorder.prepare();
//开始
mediaRecorder.start();
} catch (Exception e) {
e.printStackTrace();
//这里mediaRecorder会抛出异常,我们需要捕获,否则造成崩溃。
}
}
停止录音时释放资源:
/**
* 释放
*/
public void release() {
if (mediaRecorder != null) {
mediaRecorder.stop();
mediaRecorder.release();
mediaRecorder = null;
}
}
有时候在录音不足1秒或者我们需要取消,我们需要删除取消的文件,所以再定义一个取消函数:
/**
* 取消
*/
public void cancel() {
release();
if (mFilePath != null) {
File file = new File(mFilePath);
file.delete();
mFilePath = null;
}
}
上述代码会把录音文件输出到我们指定的文件路径下,我们只需记录这个路径,然后播放就行了,对了,最后记得加上录音所需权限:
<uses-permission android:name="android.permission.RECORD_AUDIO" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
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