???private?void?showDialog5(){
????	LayoutInflater?inflater=LayoutInflater.from(this);
????	View?view=inflater.inflate(R.layout.dialog_layout,null);
????	AlertDialog.Builder?builder=new?AlertDialog.Builder(this);
????	builder.setTitle("自定義對話框");???//設置標題
????	builder.setIcon(R.drawable.ic_launcher);???//設置標題圖標
????	builder.setView(view);
????	//創建dialog
????	final?Dialog?dialog=builder.create();
????	Button?bt?=?(Button)?view.findViewById(R.id.bt);
????????final?EditText?et?=?(EditText)?view.findViewById(R.id.editText);
????	bt.setOnClickListener(new?android.view.View.OnClickListener()?{
			
			@Override
			public?void?onClick(View?arg0)?{
				//?TODO?Auto-generated?method?stub
				String?str=et.getText().toString();
				Toast.makeText(MainActivity.this,"提交的內容是"+str,1000).show();
				dialog.dismiss();
			}
		});
????	//顯示dialog
????	dialog.show();
????}

只能幫到這里了，加油。