Java DatagramSocket向其他android设备发送音频呼叫
我正在制作一个android应用程序,使用IP地址调用其他android设备。我这里有用于发送音频呼叫的代码,但它是用java编写的。我想在Android上试试这个。此代码来自Java代码 代码如下: MainActivity.javaJava DatagramSocket向其他android设备发送音频呼叫,java,android,eclipse,Java,Android,Eclipse,我正在制作一个android应用程序,使用IP地址调用其他android设备。我这里有用于发送音频呼叫的代码,但它是用java编写的。我想在Android上试试这个。此代码来自Java代码 代码如下: MainActivity.java import java.net.DatagramSocket; import javax.swing.DefaultListModel; import android.app.Activity; import android.os.Bundle; impor
import java.net.DatagramSocket;
import javax.swing.DefaultListModel;
import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import com.example.voip.Microphone;
import com.example.voip.Speaker;
public class MainActivity extends Activity {
DatagramSocket sock = null;
DefaultListModel<String> on = null;
Button btnStart;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
btnStart = (Button) findViewById(R.id.btnStart);
btnStart.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
disp();
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.activity_main, menu);
return true;
}
public void disp(){
on = new DefaultListModel<String>();
on.addElement("192.168.1.100");
try{
sock = new DatagramSocket(4003);
}catch(Exception e){
}
Thread speaker = new Thread(new Speaker(sock));
Thread mic = new Thread(new Microphone(sock, 4003, on));
speaker.start();
mic.start();
}
}
activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:padding="20dip">
<ImageView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:src="@drawable/ic_launcher"
android:scaleType="fitCenter"/>
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="Info"
android:layout_weight="1.0"
android:textSize="20dip"/>
<LinearLayout
android:orientation="horizontal"
android:layout_width="fill_parent"
android:layout_height="wrap_content">
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/btnStart"
android:text="Start Recording"
android:layout_weight="1.0"/>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/btnStop"
android:text="Stop Recording"
android:layout_weight="1.0"/>
</LinearLayout>
</LinearLayout>
我的问题是,当我运行应用程序,然后单击“开始”按钮时,它总是崩溃,并说“不幸的是,诸如此类的事情已经停止了”。有没有办法使用这个代码?请帮忙=(
提前感谢。导入
javax.sound.sampled.AudioFormat;
javax.sound.sampled.AudioSystem;
javax.sound.sampled.DataLine;
javax.sound.sampled.SourceDataLine;
包到您的项目中(如果可能的话),否则使用Android音频API您可以显示stacktrace吗?您使用的API在Android上是不可用的(据我所知),如
swing
和javax.sound.sampled
。改用Android API。@Michael Oh..谢谢,先生,但是我如何在Android中使用AudioFormat、AudioSystem、DataLine、TargetDataLine、DefaultListModel和SourceDataLine?有什么建议吗,先生?不要使用它们。使用Android API,如AudioRecord
。我可以使用OpenSL Es作为droid音频API?我不知道什么是OpenSL ES
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:padding="20dip">
<ImageView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:src="@drawable/ic_launcher"
android:scaleType="fitCenter"/>
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="Info"
android:layout_weight="1.0"
android:textSize="20dip"/>
<LinearLayout
android:orientation="horizontal"
android:layout_width="fill_parent"
android:layout_height="wrap_content">
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/btnStart"
android:text="Start Recording"
android:layout_weight="1.0"/>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/btnStop"
android:text="Stop Recording"
android:layout_weight="1.0"/>
</LinearLayout>
</LinearLayout>
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.call"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="16"
android:targetSdkVersion="16" />
<uses-permission android:name="android.permission.USE_SIP" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.VIBRATE" />
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
<uses-permission android:name="android.permission.WAKE_LOCK" />
<uses-permission android:name="android.permission.RECORD_AUDIO" />
<uses-feature android:name="android.hardware.microphone" android:required="true"/>
<uses-feature android:name="android.hardware.wifi" android:required="true" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.example.call.MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
10-30 21:07:11.939: W/dalvikvm(16081): threadid=1: thread exiting with uncaught exception (group=0x40dbd908)
10-30 21:07:11.943: E/AndroidRuntime(16081): FATAL EXCEPTION: main
10-30 21:07:11.943: E/AndroidRuntime(16081): java.lang.NoClassDefFoundError: javax.swing.DefaultListModel
10-30 21:07:11.943: E/AndroidRuntime(16081): at com.example.call.MainActivity.disp(MainActivity.java:43)
10-30 21:07:11.943: E/AndroidRuntime(16081): at com.example.call.MainActivity$1.onClick(MainActivity.java:30)
10-30 21:07:11.943: E/AndroidRuntime(16081): at android.view.View.performClick(View.java:4091)
10-30 21:07:11.943: E/AndroidRuntime(16081): at android.view.View$PerformClick.run(View.java:17072)
10-30 21:07:11.943: E/AndroidRuntime(16081): at android.os.Handler.handleCallback(Handler.java:615)
10-30 21:07:11.943: E/AndroidRuntime(16081): at android.os.Handler.dispatchMessage(Handler.java:92)
10-30 21:07:11.943: E/AndroidRuntime(16081): at android.os.Looper.loop(Looper.java:153)
10-30 21:07:11.943: E/AndroidRuntime(16081): at android.app.ActivityThread.main(ActivityThread.java:5086)
10-30 21:07:11.943: E/AndroidRuntime(16081): at java.lang.reflect.Method.invokeNative(Native Method)
10-30 21:07:11.943: E/AndroidRuntime(16081): at java.lang.reflect.Method.invoke(Method.java:511)
10-30 21:07:11.943: E/AndroidRuntime(16081): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:821)
10-30 21:07:11.943: E/AndroidRuntime(16081): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:584)
10-30 21:07:11.943: E/AndroidRuntime(16081): at dalvik.system.NativeStart.main(Native Method)
javax.sound.sampled.AudioFormat;
javax.sound.sampled.AudioSystem;
javax.sound.sampled.DataLine;
javax.sound.sampled.SourceDataLine;