没写完，备份
var path=android.os.Environment.getExternalStorageDirectory().getAbsolutePath();
var xz=true;
var mPlayer = new android.media.MediaPlayer();
function useItem(){dir();}
function dir(){//列目录
var ctx=com.mojang.minecraftpe.MainActivity.currentMainActivity.get();
ctx.runOnUiThread(new java.lang.Runnable({ run: function() {
try{
if(path==""){path="/";}
var ctx = com.mojang.minecraftpe.MainActivity.currentMainActivity.get();
var Dialog = new android.app.AlertDialog.Builder(ctx);
var mfile=java.io.File(path);
if (!mfile.exists()){//确保目录存在
print("打开目录失败");
print(path)
return;
}
var mlist=mfile.listFiles();
var tlist=new Array();
tlist[0]="..";
for(i=0;i<mlist.length;i++){
if((mlist[i].isDirectory()&&!mlist[i].getName().startsWith("."))||mlist[i].getName().endsWith(".mp3")||mlist[i].getName().endsWith(".wma")){//后缀过滤
tlist[tlist.length]=mlist[i].getName();
}
}
mlist=mfile=null;
Dialog.setTitle(path);
Dialog.setNeutralButton(xz?"单选":"复选",new android.content.DialogInterface.OnClickListener(){
onClick:function(a,b){
xz=!xz;
}
});
if(!xz){
Dialog.setPositiveButton("确定", new android.content.DialogInterface.OnClickListener(){
onClick:function(a,b){
for(i=0;i<tlist.length;i++){
if(Dialog.getListView().getCheckedItemPositions().get(i)){
var patha=path+"/"+Dialog.getListView().getAdapter().getItem(i);//在此处理文件
clientMessage(patha);
}
}
}
});
Dialog.setMultiChoiceItems(tlist,null,new android.content.DialogInterface.OnMultiChoiceClickListener(){
onClick:function(a,b,c){}});
}
if(xz){
Dialog.setItems(tlist,new android.content.DialogInterface.OnClickListener(){
onClick:function(a,b){
if(path=="/"){path="";}
if(b==0){
pa=path.split("/");
path="";
for(i=1;i<pa.length-1;i++){
path=path+"/"+pa[i];
}
dir();
}
if(b!=0){
var f=java.io.File(path+"/"+tlist[b]);
if (!f.exists()){
print("文件不存在");
path=android.os.Environment.getExternalStorageDirectory().getAbsolutePath();
}
else{
if(f.isDirectory()){
path=path+"/"+f.getName();
dir();
}
else{
print(path);
path=path+"/"+f.getName();
//文件路径为path
//在此处理文件
/*if(mPlayer.isPlaying())mPlayer.pause();
mPlayer.reset();
mPlayer.setDataSource(path);
mPlayer.prepare();
mPlayer.start();*/
}
}
}
}
});
}
Dialog.show();
}catch(e){
clientMessage("显示失败。原因:"+e);
}}}));
}
P硅
