我需要在单击列表项时创建一个媒体播放器。它已创建。它正在播放、暂停、停止而没有任何干扰。我的问题是搜索栏。只有当我触摸它时它才会移动。在播放开始时音频文件本身应该进步。我仔细观察了代码的每一部分。但无法跟踪问题。提前致谢。
包 com.pdev.activities；
import java.util.ArrayList;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnCompletionListener;
import android.os.Bundle;
import android.os.Handler;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemLongClickListener;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.ImageButton;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.RelativeLayout;
import android.widget.SeekBar;
import android.widget.TextView;
import android.widget.Toast;
public class RecordingActivity2 extends Activity
{
ListView listView;
VehicleAdapter myadapter;
ArrayList<String> arr_cars = new ArrayList<String>();
AlertDialog.Builder alertDialogBuilder;
MediaPlayer mp;
Utilities ut;
Handler handler = new Handler();
ImageButton play,stop,close;
TextView cd;
SeekBar slider;
Dialog dialog;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.list_example);
listView = (ListView)findViewById(R.id.mainList);
ArrayList<Bitmap> arr_bitmaps1 = new ArrayList<Bitmap>(5);
arr_bitmaps1.add(BitmapFactory.decodeResource(getResources(),R.drawable.source));
arr_bitmaps1.add(BitmapFactory.decodeResource(getResources(),R.drawable.source));
arr_bitmaps1.add(BitmapFactory.decodeResource(getResources(),R.drawable.source));
arr_bitmaps1.add(BitmapFactory.decodeResource(getResources(),R.drawable.source));
arr_bitmaps1.add(BitmapFactory.decodeResource(getResources(),R.drawable.source));
ArrayList<Bitmap> arr_bitmaps2 = new ArrayList<Bitmap>(5);
arr_bitmaps2.add(BitmapFactory.decodeResource(getResources(),R.drawable.vol));
arr_bitmaps2.add(BitmapFactory.decodeResource(getResources(),R.drawable.vol));
arr_bitmaps2.add(BitmapFactory.decodeResource(getResources(),R.drawable.vol));
arr_bitmaps2.add(BitmapFactory.decodeResource(getResources(),R.drawable.vol));
arr_bitmaps2.add(BitmapFactory.decodeResource(getResources(),R.drawable.vol));
ArrayList<Bitmap> arr_bitmaps3 = new ArrayList<Bitmap>(5);
arr_bitmaps3.add(BitmapFactory.decodeResource(getResources(),R.drawable.timer));
arr_bitmaps3.add(BitmapFactory.decodeResource(getResources(),R.drawable.timer));
arr_bitmaps3.add(BitmapFactory.decodeResource(getResources(),R.drawable.timer));
arr_bitmaps3.add(BitmapFactory.decodeResource(getResources(),R.drawable.timer));
arr_bitmaps3.add(BitmapFactory.decodeResource(getResources(),R.drawable.timer));
arr_cars.add("Example1");
arr_cars.add("Example2");
arr_cars.add("Example3");
arr_cars.add("Example4");
arr_cars.add("Example5");
myadapter = new VehicleAdapter(RecordingActivity2.this, arr_bitmaps1,arr_bitmaps2,arr_bitmaps3, arr_cars);
View header = getLayoutInflater().inflate(R.layout.header, null);
listView.addHeaderView(header);
listView.setSelector( R.drawable.list_selector);
listView.setAdapter(myadapter);
listView.setOnItemLongClickListener(new OnItemLongClickListener() {
public boolean onItemLongClick(AdapterView<?> av, View v, final int pos, long id)
{
Object listItem = listView.getItemAtPosition(pos);
Toast.makeText(RecordingActivity2 .this, "The number of the long clicked item is " + pos, Toast.LENGTH_LONG).show();
alertDialogBuilder = new AlertDialog.Builder(RecordingActivity2.this);
alertDialogBuilder.setTitle("Playing");
AlertDialog alertDialog = alertDialogBuilder.create();
alertDialog.show();
return true; //false will also trigger OnItemClick!
}
});
}
public class VehicleAdapter extends BaseAdapter
{
public String title[];
public String description[];
ArrayList<String> arr_calllog_name = new ArrayList<String>();
public Activity context;
ArrayList<Bitmap> image1Id,image2Id,image3Id;
public LayoutInflater inflater;
public VehicleAdapter(Activity context, ArrayList<Bitmap> arr_bitmaps1,ArrayList<Bitmap> arrbitmaps2,ArrayList<Bitmap> arrbitmaps3, ArrayList<String> arr_calllog_name) {
super();
this.image1Id = arr_bitmaps1;
this.image2Id = arrbitmaps2;
this.image3Id = arrbitmaps3;
this.context = context;
this.arr_calllog_name = arr_calllog_name;
this.inflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
}
public ArrayList<Bitmap> getImage1Id() {
return image1Id;
}
public void setImage1Id(ArrayList<Bitmap> image1Id) {
this.image1Id = image1Id;
}
public ArrayList<Bitmap> getImage2Id() {
return image2Id;
}
public void setImage2Id(ArrayList<Bitmap> image2Id) {
this.image2Id = image2Id;
}
public ArrayList<Bitmap> getImage3Id() {
return image3Id;
}
public void setImage3Id(ArrayList<Bitmap> image3Id) {
this.image3Id = image3Id;
}
@Override
public int getCount() {
// TODO Auto-generated method stub
return arr_calllog_name.size();
}
@Override
public Object getItem(int position) {
// TODO Auto-generated method stub
return null;
}
@Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return 0;
}
public class ViewHolder
{
ImageView source,play,timer;
TextView txtName;
Button btn;
RelativeLayout row;
}
@Override
public View getView(final int position, View convertView, ViewGroup parent) {
// TODO Auto-generated method stub
final ViewHolder holder;
if(convertView==null)
{
holder = new ViewHolder();
convertView = inflater.inflate(R.layout.list_item, null);
holder.source = (ImageView) convertView.findViewById(R.id.imageView1);
holder.play = (ImageView) convertView.findViewById(R.id.imageView2);
holder.timer = (ImageView) convertView.findViewById(R.id.imageView3);
holder.txtName = (TextView) convertView.findViewById(R.id.textView1);
//holder.btn = (Button) convertView.findViewById(R.id.button);
holder.row = (RelativeLayout) convertView.findViewById(R.id.lineItem);
convertView.setTag(holder);
}
else
holder=(ViewHolder)convertView.getTag();
holder.source.setImageBitmap(getImage1Id().get(position));
holder.play.setImageBitmap(getImage2Id().get(position));
holder.timer.setImageBitmap(getImage3Id().get(position));
holder.txtName.setText(arr_calllog_name.get(position));
holder.source.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Toast.makeText(getApplicationContext(), "Source",Toast.LENGTH_LONG).show();
dialog = new Dialog(RecordingActivity2.this);
dialog.setTitle("Source File");
dialog.setContentView(R.layout.activity_read);
ImageButton im = (ImageButton)dialog.findViewById(R.id.closebutton);
im.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
dialog.dismiss();
}
});
dialog.show();
}
});
holder.play.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Toast.makeText(getApplicationContext(),"Playing",Toast.LENGTH_LONG).show();
final Dialog dialog = new Dialog(RecordingActivity2.this);
dialog.setContentView(R.layout.activity_play);
play = (ImageButton)dialog.findViewById(R.id.play);
stop = (ImageButton)dialog.findViewById(R.id.stop);
close = (ImageButton)dialog.findViewById(R.id.close);
cd =(TextView)dialog.findViewById(R.id.duration);
slider = (SeekBar)dialog.findViewById(R.id.seeker);
ut = new Utilities();
slider.setProgress(0);
slider.setMax(100);
slider.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
@Override
public void onProgressChanged(SeekBar arg0, int progress,
boolean arg2) {
//Toast.makeText(RecordingActivity2.this, "Seekbar Value : " + progress, Toast.LENGTH_SHORT).show();
}
@Override
public void onStartTrackingTouch(SeekBar seekBar) {
//Toast.makeText(RecordingActivity2.this, "Started Tracking Seekbar", Toast.LENGTH_SHORT).show();
handler.removeCallbacks(mUpdateTimeTask);
}
@Override
public void onStopTrackingTouch(SeekBar seekBar) {
//Toast.makeText(RecordingActivity2.this, "Started Tracking Seekbar", Toast.LENGTH_SHORT).show();
handler.removeCallbacks(mUpdateTimeTask);
int totalDuration = mp.getDuration();
int currentPosition = ut.progressToTimer(seekBar.getProgress(),
totalDuration);
// forward or backward to certain seconds
mp.seekTo(currentPosition);
// update timer progress again
updateProgressBar();
}
});
if(holder.txtName.getText().equals("Example1")){
mp = MediaPlayer.create(getApplicationContext(),R.raw.aperture);
Log.d("Check1",holder.txtName.getText().toString());
dialog.setTitle("Example1");
}
else if(holder.txtName.getText().equals("Example2")){
mp = MediaPlayer.create(getApplicationContext(), R.raw.coffee);
Log.d("Check2",holder.txtName.getText().toString());
dialog.setTitle("Example2");
}
else if(holder.txtName.getText().equals("Example3")){
mp = MediaPlayer.create(getApplicationContext(), R.raw.harperactive);
Log.d("Check3",holder.txtName.getText().toString());
dialog.setTitle("Example3");
}
else if(holder.txtName.getText().equals("Example4")){
mp = MediaPlayer.create(getApplicationContext(), R.raw.nightmares);
Log.d("Check4",holder.txtName.getText().toString());
dialog.setTitle("Example4");
}
else{
mp = MediaPlayer.create(getApplicationContext(), R.raw.pianomeditation);
Log.d("Check5",holder.txtName.getText().toString());
dialog.setTitle("Example5");
}
play.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (mp.isPlaying()) {
if (mp != null) {
mp.pause();
// Changing button image to play button
play.setImageResource(R.drawable.img_btn_play);
}
} else {
// Resume song
if (mp != null) {
mp.start();
// Changing button image to pause button
play.setImageResource(R.drawable.img_btn_pause);
}
}
}
}
);
stop.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
dialog.dismiss();
mp.stop();
}
});
close.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
dialog.dismiss();
mp.stop();
}
});
dialog.show();
}
public void updateProgressBar() {
handler.postDelayed(mUpdateTimeTask, 100);
}
private Runnable mUpdateTimeTask = new Runnable() {
public void run() {
long totalDuration = mp.getDuration();
long currentDuration = mp.getCurrentPosition();
// Displaying time completed playing
cd.setText(""
+ ut.milliSecondsToTimer(currentDuration));
// Updating progress bar
int progress = (int) (ut.getProgressPercentage(currentDuration,
totalDuration));
// Log.d("Progress", ""+progress);
slider.setProgress(progress);
// Running this thread after 100 milliseconds
handler.postDelayed(this, 100);
}
};
});
holder.timer.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Toast.makeText(getApplicationContext(), "Timer",Toast.LENGTH_LONG).show();
}
});
holder.row.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Toast.makeText(getApplicationContext(), "You have Selected: "+ holder.txtName.getText(), Toast.LENGTH_SHORT).show();
}
});
return convertView;
}
}}