Only the original thread that created a view hierarchy can touch its
views. Never update view in no ui thread！
On 6月5日, 上午6时54分, Hitendrasinh Gohil <hitendra.virtuei...@gmail.com>
wrote:
> Here is my playerview class.when the song first time played total song
> duration is set and seekbar runs,but when i do next the total song
> duration is of firstsong and it gives exception.
>
> package com.musix.main;
>
> import com.musix.main.R;
> import android.app.Activity;
> import android.os.Bundle;
> import android.util.Log;
> import android.view.View;
> import android.view.View.OnClickListener;
> import android.view.Window;
> import android.widget.ImageButton;
> import android.widget.SeekBar;
> import android.widget.TextView;
>
> public class LocalPlayerView extends Activity implements
> OnClickListener {
> private ImageButton btnnext, btnplay, btnprevious;
> LocalMediaPlayer mediaplayer;
> public static boolean drag = false, CHANGE;
> SeekBar sbCurrentSong;
> public static int mprogress;
> private int minutes, seconds, total;
> private TextView tvSongTotalTime, tvSongCurrentTime, txtsongname,
> txtalbumartistname;
>
> public void onCreate(Bundle instance) {
> super.onCreate(instance);
> requestWindowFeature(Window.FEATURE_NO_TITLE);
> setContentView(R.layout.localplayerview);
> mediaplayer = new LocalMediaPlayer(getApplicationContext());
> loadUI();
> }
>
> private void loadUI() {
> try {
> btnnext = (ImageButton) findViewById(R.id.next);
> btnnext.setOnClickListener(this);
> btnplay = (ImageButton) findViewById(R.id.play);
> btnplay.setOnClickListener(this);
> btnprevious = (ImageButton)
> findViewById(R.id.previous);
> btnprevious.setOnClickListener(this);
> txtsongname = (TextView)
> findViewById(R.id.txtsongname);
> txtalbumartistname = (TextView)
> findViewById(R.id.txtalbumartistname);
> tvSongTotalTime = (TextView)
> findViewById(R.id.tvSongTotalTime);
> tvSongCurrentTime = (TextView)
> findViewById(R.id.tvSongCurrentTime);
> setSongDetails();
> startProgress();
> sbCurrentSong = (SeekBar)
> findViewById(R.id.sbCurrentSong);
> sbCurrentSong
> .setOnSeekBarChangeListener(new
> SeekBar.OnSeekBarChangeListener()
> {
> @Override
> public void
> onProgressChanged(SeekBar seekBar,
> int progress,
> boolean fromUser) {
> String seconds;
> String str = new
> String();
> mprogress = progress;
> if (fromUser)
>
> LocalMediaPlayer.mediaplayer.seekTo(progress);
>
>
> sbCurrentSong.setProgress(progress);
>
> seconds = Integer
>
> .toString(((progress / 1000) % 60));
>
> // Here if condition
> check the second string length
> // if length
> // is equal to 1 then
> we add 0 infront of that
> // string.
>
> if (seconds.length()
> == 1)
> str =
> str.concat("0" + seconds);
> else
> str = seconds;
> int ctime =
> ((progress / 1000) / 60);
>
> // Here if condition
> check the current time if it
> // is less than 9
> then we will add 0 infront of it
>
> if (ctime > 9) {
>
> tvSongCurrentTime.setText(Integer
>
> .toString(ctime) + ":" + str);
> } else {
>
> tvSongCurrentTime.setText("0"
>
> + Integer.toString(ctime) + ":" + str);
> }
> }
>
> @Override
> public void
> onStartTrackingTouch(SeekBar seekBar) {
> // TODO
> Auto-generated method stub
> }
>
> @Override
> public void
> onStopTrackingTouch(SeekBar seekBar) { // TODO
>
> //
> Auto-generated
>
> //
> method
>
> //
> stub
>
> }
> });
>
> } catch (Exception e) {
> e.printStackTrace();
> }
>
> }
>
> @Override
> public void onClick(View v) {
> switch (v.getId()) {
> case R.id.play:
> if (LocalMediaPlayer.mediaplayer.isPlaying()) {
> LocalMediaPlayer.mediaplayer.pause();
>
> btnplay.setBackgroundResource(R.drawable.play_button);
> LocalMediaPlayer.isPaused = true;
> } else {
>
> btnplay.setBackgroundResource(R.drawable.pause_button);
> mediaplayer.startPlayer();
> }
>
> break;
> case R.id.next:
>
> btnplay.setBackgroundResource(R.drawable.pause_button);
> mediaplayer.next();
> runOnUiThread(new Runnable() {
>
> @Override
> public void run() {
> setSongDetails();
> //startProgress();
> }
> });
>
> break;
> case R.id.previous:
>
> btnplay.setBackgroundResource(R.drawable.pause_button);
> mediaplayer.previous();
> runOnUiThread(new Runnable() {
>
> @Override
> public void run() {
> setSongDetails();
> //startProgress();
> }
> });
> break;
>
> default:
> break;
> }
>
> }
>
> public void startProgress() {
> try {
> new Thread() {
> public void run() {
> // mp is your MediaPlayer
> // progress is your ProgressBar
>
> int currentPosition = 0;
> total =
> LocalMediaPlayer.mediaplayer.getDuration();
> sbCurrentSong.setMax(total);
> setTotalSongDuaration();
> while (LocalMediaPlayer.mediaplayer
> != null
> && currentPosition <
> total) {
> try {
> Thread.sleep(1000);
> currentPosition =
> LocalMediaPlayer.mediaplayer
>
> .getCurrentPosition();
> } catch (InterruptedException
> e) {
> return;
> } catch (Exception e) {
> return;
> }
>
> sbCurrentSong.setProgress(currentPosition);
> }
> }
>
> }.start();
> } catch (Exception e) {
> e.printStackTrace();
> }
> }
> public void setSongDetails() {
> try {
> txtsongname.setText(LocalTrack.LOCALTRACKLIST
> .get(LocalMediaPlayer.CURRENTINDEX));
> txtalbumartistname.setText(LocalTrack.LOCALALBUMLIST
> .get(LocalMediaPlayer.CURRENTINDEX)
> + "-"
> + LocalTrack.LOCALARTISTLIST
>
> .get(LocalMediaPlayer.CURRENTINDEX));
> } catch (Exception e) {
> e.printStackTrace();
> }
> }
>
> public void setTotalSongDuaration() {
> minutes = (int) ((total / 1000) / 60);
> seconds = (int) ((total / 1000) % 60);
>
> // Here if condition check minute is less than 10 then it
> will check
> for
> // seconds.
>
> if (minutes < 10) {
> // Here if condition check if second is less than 9
> then it will
> add
> // 0 infront
> // of seconds.
>
> if (seconds <= 9)
> tvSongTotalTime.setText("0" +
> Integer.toString(minutes) + ":"
> + "0" +
> Integer.toString(seconds));
> else
> tvSongTotalTime.setText("0" +
> Integer.toString(minutes) + ":"
> + Integer.toString(seconds));
> } else {
>
> // Here if condition check if second is less than 9
> then it will
> add
> // 0 infront
> // of seconds.
>
> if (seconds <= 9)
>
> tvSongTotalTime.setText(Integer.toString(minutes) + ":" + "0"
> + Integer.toString(seconds));
> else
>
> tvSongTotalTime.setText(Integer.toString(minutes) + ":"
> + Integer.toString(seconds));
> }
>
> tvSongTotalTime.refreshDrawableState();
> }
>
> }
>
> Here is the error log.
> W/dalvikvm( 341): threadid=8: thread exiting with uncaught exception
> (group=0x4001d800)
> E/AndroidRuntime( 341): FATAL EXCEPTION: Thread-11
> E/AndroidRuntime( 341): android.view.ViewRoot
> $CalledFromWrongThreadException: Only the original thread that created
> a view hierarchy can touch its views.
> E/AndroidRuntime( 341): at
> android.view.ViewRoot.checkThread(ViewRoot.java:2802)
> E/AndroidRuntime( 341): at
> android.view.ViewRoot.requestLayout(ViewRoot.java:594)
> E/AndroidRuntime( 341): at
> android.view.View.requestLayout(View.java:8125)
> E/AndroidRuntime( 341): at
> android.view.View.requestLayout(View.java:8125)
> E/AndroidRuntime( 341): at
> android.view.View.requestLayout(View.java:8125)
> E/AndroidRuntime( 341): at
> android.view.View.requestLayout(View.java:8125)
> E/AndroidRuntime( 341): at
> android.view.View.requestLayout(View.java:8125)
> E/AndroidRuntime( 341): at
> android.widget.TextView.checkForRelayout(TextView.java:5378)
> E/AndroidRuntime( 341): at
> android.widget.TextView.setText(TextView.java:2688)
> E/AndroidRuntime( 341): at
> android.widget.TextView.setText(TextView.java:2556)
> E/AndroidRuntime( 341): at
> android.widget.TextView.setText(TextView.java:2531)
> E/AndroidRuntime( 341): at
> com.musix.main.LocalPlayerView.setTotalSongDuaration(LocalPlayerView.java:
> 213)
> E/AndroidRuntime( 341): at com.musix.main.LocalPlayerView
> $4.run(LocalPlayerView.java:162)
>
> can anybody can be how can i solve out this problem?
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