Dialog 学习备忘

Dialog 学习备忘

package com.eoeAndroid.dialog;import android.app.Activity;import android.app.AlertDialog;import android.app.Dialog;import android.app.ProgressDialog;import android.content.Context;import android.content.DialogInterface;import android.os.Bundle;import android.view.LayoutInflater;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;public class ActivityMain extends Activity {private static final int DIALOG1 = 1;private static final int DIALOG2 = 2;@Overrideprotected Dialog onCreateDialog(int id) {switch (id) {case DIALOG1:return buildDialog1(ActivityMain.this);case DIALOG2:return buildDialog2(ActivityMain.this);}return null;}protected void onPrepareDialog(int id, Dialog dialog){if(id==DIALOG1){setTitle("测试");}}@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.alert_dialog);Button button1 = (Button) findViewById(R.id.button1);button1.setOnClickListener(new OnClickListener() {@SuppressWarnings("deprecation")public void onClick(View v) {showDialog(DIALOG1);}});Button buttons2 = (Button) findViewById(R.id.buttons2);buttons2.setOnClickListener(new OnClickListener() {@SuppressWarnings("deprecation")public void onClick(View v) {showDialog(DIALOG2);}});}private Dialog buildDialog1(Context context) {LayoutInflater inflater = LayoutInflater.from(this);final View textEntryView = inflater.inflate(R.layout.alert_dialog_text_entry, null);AlertDialog.Builder builder = new AlertDialog.Builder(context);builder.setIcon(R.drawable.alert_dialog_icon);builder.setTitle(R.string.alert_dialog_text_entry);builder.setView(textEntryView);builder.setPositiveButton(R.string.alert_dialog_ok,new DialogInterface.OnClickListener() {public void onClick(DialogInterface dialog, int whichButton) {setTitle("点击了对话框上的确定按钮");}});builder.setNegativeButton(R.string.alert_dialog_cancel,new DialogInterface.OnClickListener() {public void onClick(DialogInterface dialog, int whichButton) {setTitle("点击了对话框上的取消按钮");}});return builder.create();}private Dialog buildDialog2(Context context) {ProgressDialog dialog = new ProgressDialog(context);dialog.setTitle("正在下载歌曲");dialog.setMessage("请稍候……");return  dialog;}}