1、Java
package com.fish.helloworld; import android.app.Activity; import android.app.AlertDialog; import android.app.Dialog; import android.content.Context; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Paint; import android.os.Bundle; import android.util.Log; import android.view.KeyEvent; import android.view.Menu; import android.view.MenuItem; import android.view.MotionEvent; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.ImageView; import android.widget.TextView; public class MainActivity extends Activity { private Button1_OnClickListener m_Button1Listener = new Button1_OnClickListener(); class Button1_OnClickListener implements OnClickListener{ public void onClick(View v){ new AlertDialog.Builder(MainActivity.this) .setTitle("标题") .setMessage("简单消息框") .setPositiveButton("确定", null) .show(); } } @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.skeleton_activity); Button m_Button1 = (Button)findViewById(R.id.button8); m_Button1.setOnClickListener(m_Button1Listener); } }
2、XML
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" > <Button android:id="@+id/button8" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="极端对话框" /> <Button android:id="@+id/button1" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="OK Cancel dialog with a message" /> <Button android:id="@+id/button2" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="OK Cancel dialog with a long message" /> <Button android:id="@+id/button3" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="List dialog" /> <Button android:id="@+id/button4" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="Progress dialog" /> <Button android:id="@+id/button5" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="Single Choice dialog" /> <Button android:id="@+id/button6" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="Repeat alarm" /> <Button android:id="@+id/button7" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="Text Entry dialog" /> </LinearLayout>