android 普通对话框

     string.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <string name="hello">Hello World, Activity01!</string>
    <string name="app_name">android_xhtest_01</string>
    <string name="btn">显示普通对话框</string>
    <string name="title">普通对话框</string>
    <string name="ok">确定</string>
    <string name="dialog_msg">这是普通对话框的内容!!!</string>
</resources>

main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    >
<EditText
	android:text=""
	android:id="@+id/EditText01"
	android:layout_width="fill_parent"
	android:layout_height="wrap_content"
	android:editable="false"
	android:cursorVisible="false"/>

<Button
	android:text="@string/btn"
	android:id="@+id/Button01"
	android:layout_width="fill_parent"
	android:layout_height="wrap_content"
	/>
</LinearLayout>

    Activity类

package xiaohang.zhimeng;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.AlertDialog.Builder;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;

public class Activity01 extends Activity {
	// 普通对话框ID
	final int COMMON_DIALOG = 1;

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);
		Button btn = (Button) findViewById(R.id.Button01);
		btn.setOnClickListener(new View.OnClickListener() {
			public void onClick(View v) {
				showDialog(COMMON_DIALOG);
			}
		});
	}

	@Override
	protected Dialog onCreateDialog(int id) {
		Dialog dialog = null;
		switch (id) {
		case COMMON_DIALOG:
			Builder b = new AlertDialog.Builder(this);
			b.setIcon(R.drawable.android);
			b.setTitle(R.string.btn);
			b.setMessage(R.string.dialog_msg);

			b.setPositiveButton(R.string.ok,
					new DialogInterface.OnClickListener() {
						public void onClick(DialogInterface dialog, int which) {
							EditText et = (EditText) findViewById(R.id.EditText01);
							et.setText(R.string.dialog_msg);
						}
					});
			dialog = b.create();
			break;
		default:
			break;
		}
		return dialog;
	}
}

 
运行效果





源码 附件