Java MediaException.printStackTrace方法代码示例

import javax.microedition.media.MediaException; //导入方法依赖的package包/类
public static MMAPIPlayer createPlayer(InputStream stream, String mimeType, Runnable onCompletion) throws IOException {
    try {
        Player p = Manager.createPlayer(stream, mimeType);
        p.realize();
        MMAPIPlayer m = new MMAPIPlayer(p);
        m.bindPlayerCleanupOnComplete(p, stream, onCompletion);
        return m;
    } catch (MediaException ex) {
        if ("audio/mpeg".equals(mimeType)) {
            return createPlayer(stream, "audio/mp3", onCompletion);
        }

        ex.printStackTrace();
        throw new IOException(ex.toString());
    }
}
 

import javax.microedition.media.MediaException; //导入方法依赖的package包/类
/**
 * @inheritDoc
 */
public void paint(com.codename1.ui.Graphics g) {
    if (isVisible()) {
        try {
            VideoControl vidc = (VideoControl) getVideoControl(this);
            if (isFullScreen()) {
                vidc.setDisplayLocation(0, 0);
                vidc.setDisplaySize(Display.getInstance().getDisplayWidth(), Display.getInstance().getDisplayHeight());
            } else {
                vidc.setDisplayLocation(getAbsoluteX(), getAbsoluteY());
                int w = getWidth();
                int h = getHeight();
                if (vidc.getDisplayWidth() != w || vidc.getDisplayHeight() != h) {
                    vidc.setDisplaySize(w, h);
                }
            }
        } catch (MediaException ex) {
            ex.printStackTrace();
        }
    }
}
 

import javax.microedition.media.MediaException; //导入方法依赖的package包/类
public static MMAPIPlayer createPlayer(InputStream stream, String mimeType, Runnable onCompletion) throws IOException {
    try {
        Player p = Manager.createPlayer(stream, mimeType);
        p.realize();
        MMAPIPlayer m = new MMAPIPlayer(p);
        m.bindPlayerCleanupOnComplete(p, stream, onCompletion);
        return m;
    } catch (MediaException ex) {
        if("audio/mpeg".equals(mimeType)) {
            return createPlayer(stream, "audio/mp3", onCompletion);
        }

        ex.printStackTrace();
        throw new IOException(ex.toString());
    }
}
 

import javax.microedition.media.MediaException; //导入方法依赖的package包/类
public void play() {
    if(deleted){
        return;
    }
    try {
        if(playing == null) {
            playing = new Vector();
        }
        synchronized(MMAPIPlayer.class) {
            if(!playing.contains(this)){
                playing.addElement(this);
            }
        }
        nativePlayer.start();
    } catch (MediaException ex) {
        ex.printStackTrace();
        throw new RuntimeException(ex.toString());
    }
}
 

import javax.microedition.media.MediaException; //导入方法依赖的package包/类
public void prepare() {
    if (deleted) {
        return;
    }
    try {
        nativePlayer.prefetch();
    } catch (MediaException ex) {
        ex.printStackTrace();
        throw new RuntimeException(ex.toString());
    }
}
 

import javax.microedition.media.MediaException; //导入方法依赖的package包/类
public void play() {
    if (deleted) {
        return;
    }
    try {
        nativePlayer.start();
    } catch (MediaException ex) {
        ex.printStackTrace();
        throw new RuntimeException(ex.toString());
    }
}
 

import javax.microedition.media.MediaException; //导入方法依赖的package包/类
public void pause() {
    if (deleted) {
        return;
    }
    try {
        if (nativePlayer != null) {
            nativePlayer.stop();
        }
    } catch (MediaException ex) {
        ex.printStackTrace();
        throw new RuntimeException(ex.toString());
    }
}
 

import javax.microedition.media.MediaException; //导入方法依赖的package包/类
public void setTime(int time) {
    if (deleted) {
        return;
    }
    try {
        nativePlayer.setMediaTime(time * 1000);
    } catch (MediaException ex) {
        ex.printStackTrace();
    }
}
 

import javax.microedition.media.MediaException; //导入方法依赖的package包/类
public MediaRecorder(String path) throws IOException {
    try {
        String [] supportedContentType = Manager.getSupportedContentTypes("capture");
        boolean amrSupported = false;
        for (int i = 0; i < supportedContentType.length; i++) {
            if(supportedContentType[i].equals("audio/amr")){
                amrSupported = true;
            }
        }
        if(amrSupported){
            try {
                //some j2me devices will report they supports amr, but they are actually 
                //don't so we will try to realize the player and if fails the
                //fallback would be to create it with the default capture encoding
                recorder = Manager.createPlayer("capture://audio?encoding=audio/amr");                                
                recorder.realize();
            } catch (Exception e) {
                recorder = Manager.createPlayer("capture://audio");
                recorder.realize();
            }
        }else{
            recorder = Manager.createPlayer("capture://audio");
            recorder.realize();
        }
        rc = (RecordControl) recorder.getControl("RecordControl");
        out = FileSystemStorage.getInstance().openOutputStream(path);
        rc.setRecordStream(out);
    } catch (MediaException ex) {
        ex.printStackTrace();
    }
}
 

import javax.microedition.media.MediaException; //导入方法依赖的package包/类
public void play() {
    try {
        rc.startRecord();
        recorder.start();
    } catch (MediaException ex) {
        ex.printStackTrace();
    }
}
 

import javax.microedition.media.MediaException; //导入方法依赖的package包/类
public void pause() {
     try {
        rc.stopRecord();
        recorder.stop();
    } catch (MediaException ex) {
        ex.printStackTrace();
    }
}
 

import javax.microedition.media.MediaException; //导入方法依赖的package包/类
public void prepare() {
    if(deleted){
        return;
    }
    try {
        nativePlayer.prefetch();
    } catch (MediaException ex) {
        ex.printStackTrace();
        throw new RuntimeException(ex.toString());
    }
}
 

import javax.microedition.media.MediaException; //导入方法依赖的package包/类
public VideoMainScreen(MMAPIPlayer p, BlackBerryImplementation impl) {
    super(Manager.NO_VERTICAL_SCROLL);
    this.player = p;
    this.impl = impl;
    this.videoControl = (VideoControl) player.nativePlayer.getControl("VideoControl");

    if (this.videoControl != null) {
        try {
            // Initialize the field where the content of the camera shall be displayed.
            Field videoField = (Field) this.videoControl.initDisplayMode(VideoControl.USE_GUI_PRIMITIVE, "net.rim.device.api.ui.Field");
            add(videoField);
            addMenuItem(new MenuItem("Pause", 0, 100) {

                public void run() {
                    player.pause();
                }
            });
            addMenuItem(new MenuItem("Play", 0, 100) {

                public void run() {
                    player.play();
                }
            });
            
            // Display the video control.
            this.videoControl.setDisplayFullScreen(true);
            this.videoControl.setVisible(true);

        } catch (MediaException ex) {
            ex.printStackTrace();
        }
    }
}
 

import javax.microedition.media.MediaException; //导入方法依赖的package包/类
public void setTime(int time) {
    if(deleted){
        return;
    }
    try {
        nativePlayer.setMediaTime(time * 1000);
    } catch (MediaException ex) {
        ex.printStackTrace();
    }
}
 

import javax.microedition.media.MediaException; //导入方法依赖的package包/类
public MediaRecorder(String path, String mimeType) throws IOException {
    try {
        //recorder = Manager.createPlayer("capture://audio?encoding=audio/amr&bitrate=12200&voipMode=true");
        recorder = Manager.createPlayer("capture://audio?encoding="+mimeType);            
        recorder.realize();
        rc = (RecordControl) recorder.getControl("RecordControl");
        out = FileSystemStorage.getInstance().openOutputStream(path);
        rc.setRecordStream(out);
    } catch (MediaException ex) {
        ex.printStackTrace();
    }
}