import java.io.BufferedReader;
public class Main extends Activity implements SurfaceHolder.Callback,
MediaPlayer.OnCompletionListener, View.OnClickListener, OnInitListener {
String SrcPath = "";
MediaPlayer mp;
SurfaceView mSurfaceView;
private SurfaceHolder holderrrr;
Boolean play = false;
String t_alarm1 = "alarm.xml", t_alarm2 = "alarm2.xml", text;
// TextToSpeach
private TextToSpeech mText2Speech;
@Override
protected void onCreate(Bundle savedInstanceState) {
StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder()
.permitAll().build();
StrictMode.setThreadPolicy(policy);
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
addListenerOnButton();
mText2Speech = new TextToSpeech(Main.this, Main.this);
}
// menü
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.action_settings: {
Intent myIntent = new Intent(this, menu.class);
Main.this.startActivity(myIntent);
return true;
}
}
return true;
}
// kilépésfigyelő
private static final long DOUBLE_PRESS_INTERVAL = 2000000000;// 2 másodperc
private long lastPressTime;
@Override
public void onBackPressed() {
Toast.makeText(Main.this, getString(R.string.kilepes_dupla),
Toast.LENGTH_SHORT).show();
long pressTime = System.nanoTime();
if (pressTime - lastPressTime <= DOUBLE_PRESS_INTERVAL) {
// this is a double click event
System.exit(0);
}
lastPressTime = pressTime;
}
public void onInit(int status) {
if (status == TextToSpeech.SUCCESS) {
mText2Speech.setLanguage(Locale.getDefault()); // alaértelmezett
// nyelv a TtS-hez
}
}
private void addListenerOnButton() {
final Button button5 = (Button) findViewById(R.id.button5);
button5.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
// Perform action on click
if (play) {
try{
mp.stop();
mp.release();
mp = null;
}catch(Exception e){
}
button5.setText("Start");
play = false;
} else {
try {
mp = new MediaPlayer();
mSurfaceView = (SurfaceView) findViewById(R.id.surface);
holderrrr = mSurfaceView.getHolder();
play = true;
button5.setText("Stop");
surfaceCreated(holderrrr);
} catch (IllegalArgumentException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (SecurityException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IllegalStateException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
});
}// addlistener vége
public void surfaceCreated(SurfaceHolder holder) {
mp.setDisplay(holder);
holder = mSurfaceView.getHolder();
holder.addCallback(this);
holder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
try {
mp.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
@Override
public void onCompletion(MediaPlayer mp) {
mp.stop();
mp.release();
Toast.makeText(Main.this,
"A videó lejátszás befejeződött!",
Toast.LENGTH_SHORT).show();
// button5.setText("Start");
//play = false;
}
});
mp.setDataSource(SrcPath);
mp.prepare();
} catch (IllegalArgumentException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (SecurityException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IllegalStateException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
// Get the dimensions of the video
// int videoWidth = mp.getVideoWidth();
// int videoHeight = mp.getVideoHeight();
// Get the width of the screen
// int screenWidth = getWindowManager().getDefaultDisplay().getWidth();
// Get the SurfaceView layout parameters
android.view.ViewGroup.LayoutParams lp = mSurfaceView.getLayoutParams();
// Set the width of the SurfaceView to the width of the screen
// lp.width = screenWidth;
lp.width = 420;
// Set the height of the SurfaceView to match the aspect ratio of the
// video
// be sure to cast these as floats otherwise the calculation will likely
// be 0
// lp.height = (int) (((float) videoHeight / (float) videoWidth) *
// (float) screenWidth);
lp.height = 390;
// Commit the layout parameters
mSurfaceView.setLayoutParams(lp);
// Start video
mp.start();
}
}
}
它在 Galaxy s3 上的 4.1.2 android 上运行良好，但它给了我标题中的错误消息。它没有显示前 3 秒的视频...请给我一些建议或解决方案，因为我不知道如何摆脱这种错误