我要评论主要就一个dialog:
package com.coodays.wecare.telephone;
import android.app.dialog;
import android.content.context;
import android.graphics.drawable.drawable;
import android.media.mediarecorder;
import android.os.countdowntimer;
import android.os.environment;
import android.os.handler;
import android.support.annotation.nonnull;
import android.support.annotation.nullable;
import android.view.gravity;
import android.view.layoutinflater;
import android.view.view;
import android.view.window;
import android.view.windowmanager;
import android.widget.imageview;
import android.widget.textview;
import android.widget.toast;
import com.coodays.wecare.r;
import java.io.file;
import java.util.random;
public class recorddialog extends dialog {
protected context mcontext;
protected windowmanager.layoutparams mlayoutparams;
//存储很多张话筒图片的数组
private drawable[] micimages;
//话筒的图片
private imageview micimage;
//到计时时间
textview recording_hint;
private mediarecorder recorder = null;
//录音存储在sd卡的路径
private string output_path = environment.getexternalstoragedirectory().getabsolutepath()
+ file.separator + "luyin.3gp";
//录音文件
private file soundfile;
private int base = 600;
private int space = 200;// 间隔取样时间
public windowmanager.layoutparams getlayoutparams() {
return mlayoutparams;
}
public recorddialog(@nonnull context context) {
super(context);
initview(context);
}
public recorddialog(@nonnull context context, int themeresid) {
super(context, themeresid);
initview(context);
}
protected recorddialog(@nonnull context context, boolean cancelable, @nullable oncancellistener cancellistener) {
super(context, cancelable, cancellistener);
initview(context);
}
private void initview(context context) {
this.requestwindowfeature(window.feature_no_title);
this.getwindow().setbackgrounddrawableresource(r.drawable.transparent_bg);
mcontext = context;
window window = this.getwindow();
mlayoutparams = window.getattributes();
mlayoutparams.alpha = 1f;
window.setattributes(mlayoutparams);
if (mlayoutparams != null) {
mlayoutparams.height = android.view.viewgroup.layoutparams.match_parent;
mlayoutparams.gravity = gravity.center;
}
view dialogview = layoutinflater.from(getcontext()).inflate(r.layout.dialog_record, null);
setcontentview(dialogview);
micimage = (imageview) dialogview.findviewbyid(r.id.mic_image);
recording_hint = (textview) dialogview.findviewbyid(r.id.recording_hint);
micimages = new drawable[]{
getcontext().getresources().getdrawable(r.drawable.record_fps1),
getcontext().getresources().getdrawable(r.drawable.record_fps2),
getcontext().getresources().getdrawable(r.drawable.record_fps3),
getcontext().getresources().getdrawable(r.drawable.record_fps4),
getcontext().getresources().getdrawable(r.drawable.record_fps5),
getcontext().getresources().getdrawable(r.drawable.record_fps6),
getcontext().getresources().getdrawable(r.drawable.record_fps7),
getcontext().getresources().getdrawable(r.drawable.record_fps8),
getcontext().getresources().getdrawable(r.drawable.record_fps9),};
countdowntimer timer = new countdowntimer(10*1000, 1000) {
@override
public void ontick(long millisuntilfinished) {
// todo auto-generated method stub
recording_hint.settext("还剩"+millisuntilfinished/1000+"秒");
}
@override
public void onfinish() {
recording_hint.settext("倒计时完毕了");
stoprecoder();
toast.maketext(getcontext(), "录音存储到了"+soundfile.getabsolutepath(), 1).show();
}
}.start();
startrecord();
}
void startrecord(){
if (!isexitssdcard()) {
toast.maketext(getcontext(), "未检测到sd卡", toast.length_short).show();
return;
}
if(recorder!=null){
recorder.stop();
recorder.release();
recorder=null;
}
soundfile=new file(output_path);
recorder=new mediarecorder();
recorder.setaudiosource(mediarecorder.audiosource.mic);//声音来源是话筒
recorder.setoutputformat(mediarecorder.outputformat.three_gpp);//设置格式
recorder.setaudioencoder(mediarecorder.audioencoder.amr_nb);//设置解码方式
recorder.setoutputfile(soundfile.getabsolutepath());
try {
recorder.prepare();
} catch (exception e) {
// todo auto-generated catch block
e.printstacktrace();
}
recorder.start();
updatemicstatus();
// update();
}
/**
* 按住说话listener
*
*/
/*class presstospeaklisten implements view.ontouchlistener {
@override
public boolean ontouch(view v, motionevent event) {
switch (event.getaction()) {
case motionevent.action_down:
if (!isexitssdcard()) {
toast.maketext(mainactivity.this, "未检测到sd卡", toast.length_short).show();
return false;
}
if(recorder!=null){
recorder.stop();
recorder.release();
recorder=null;
}
soundfile=new file(output_path);
recorder=new mediarecorder();
recorder.setaudiosource(mediarecorder.audiosource.mic);//声音来源是话筒
recorder.setoutputformat(mediarecorder.outputformat.three_gpp);//设置格式
recorder.setaudioencoder(mediarecorder.audioencoder.amr_nb);//设置解码方式
recorder.setoutputfile(soundfile.getabsolutepath());
try {
recorder.prepare();
} catch (exception e) {
// todo auto-generated catch block
e.printstacktrace();
}
recorder.start();
updatemicstatus();
recordingcontainer.setvisibility(view.visible);
recordinghint.settext("手指上滑，取消发送");
recordinghint.setbackgroundcolor(color.transparent);
return true;
case motionevent.action_move: {
//在这里只是做了监听，并没有做与发送相关的处理
if (event.gety() < 0) {
recordinghint.settext("松开手指，取消发送");
recordinghint.setbackgroundresource(r.drawable.recording_text_hint_bg);
} else {
recordinghint.settext("手指上滑，取消发送");
recordinghint.setbackgroundcolor(color.transparent);
}
return true;
}
case motionevent.action_up:
//抬起手指，停止录音
recordingcontainer.setvisibility(view.invisible);
stoprecoder();
toast.maketext(getapplicationcontext(), "录音存储到了"+soundfile.getabsolutepath(), 1).show();
return true;
default:
return false;
}
}
}*/
private void stoprecoder(){
if (soundfile != null && soundfile.exists())
{
// 停止录音
recorder.stop();
// 释放资源
recorder.release();
recorder = null;
}
}
private void updatemicstatus() {
if (recorder != null) {
int ratio = recorder.getmaxamplitude() / base;
int db = 0;// 分贝
if (ratio > 1)
db = (int) (20 * math.log10(ratio));
system.out.println("分贝值：" + db + " " + math.log10(ratio));
//我对着手机说话声音最大的时候，db达到了35左右，
mhandler.postdelayed(mupdatemicstatustimer, space);
//所以除了2，为的就是对应14张图片
mhandler.sendemptymessage(db / 2);
}
}
int i = 0;
private void update(){
i = 0;
for (;i<500;i++){
mhandler.postdelayed(new runnable() {
@override
public void run() {
mhandler.sendemptymessage(i);
}
},200);
}
}
private runnable mupdatemicstatustimer = new runnable() {
public void run() {
updatemicstatus();
}
};
private final handler mhandler = new handler() {
public void handlemessage(android.os.message msg) {
int what = msg.what;
//根据mhandler发送what的大小决定话筒的图片是哪一张
//说话声音越大,发送过来what值越大
if (what > 8) {
what = new random().nextint(8);
}
micimage.setimagedrawable(micimages[what]);
}
};
/**
* 检测sdcard是否存在
*
* @return
*/
public boolean isexitssdcard() {
if (environment.getexternalstoragestate().equals(environment.media_mounted))
return true;
else
return false;
}
}
dialog_record.xml为：
<?xml version="1.0" encoding="utf-8"?>
<linearlayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:layout_marginbottom="10dp"
android:layout_marginleft="10dp"
android:layout_marginright="10dp"
android:background="@drawable/transparent_bg"
android:orientation="vertical">
<relativelayout
android:id="@+id/recording_container"
android:layout_width="match_parent"
android:layout_height="@dimen/widget_size_90"
android:padding="10dp"
android:gravity="center"
android:background="@color/white"
android:visibility="visible">
<imageview
android:id="@+id/mic_image"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerhorizontal="true"
android:src="@drawable/record_fps1" />
<textview
android:id="@+id/recording_hint"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@id/mic_image"
android:layout_centerhorizontal="true"
android:layout_margintop="10dp"
android:padding="2dp"
android:text="10s"
android:textsize="10sp" />
</relativelayout>
</linearlayout>
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