android_自定义加载框_

package com.android_dialog;

import android.app.Activity;
import android.app.Dialog;
import android.os.Bundle;
import android.view.View;
import android.widget.TextView;

public class Main extends Activity {
	private Dialog progressDialog;
	
	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);
		findViewById(R.id.show_button).setOnClickListener(new View.OnClickListener() {
			@Override
			public void onClick(View view) {
				progressDialog = new Dialog(Main.this,R.style.progress_dialog);
				progressDialog.setContentView(R.layout.dialog);
				progressDialog.setCancelable(true);
				progressDialog.getWindow().setBackgroundDrawableResource(android.R.color.transparent);
				TextView msg = (TextView) progressDialog.findViewById(R.id.id_tv_loadingmsg);
				msg.setText("加载中...");
				progressDialog.show();
			}
		});
		
		findViewById(R.id.close_button).setOnClickListener(new View.OnClickListener() {
			@Override
			public void onClick(View view) {
				cancel();
			}
		});
	}

	public void cancel(){
		progressDialog.dismiss();
	}
}