對話框風格的視窗

package com.crazyit.ui.dialogtheme;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;

public class DialogThemeActivity extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_dialog_theme);

        Button btn = (Button) findViewById(R.id.btn);
        btn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                //結束 activity
                finish();
            }
        });
    }
}
           

布局檔案

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="horizontal"
    android:gravity="center_horizontal"
    tools:context="com.crazyit.ui.dialogdemo.DialogThemeActivity">

    <ImageView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:background="@drawable/fuqi"/>
    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="确定"
        android:id="@+id/btn"
        />
</LinearLayout>
           

清單檔案中

<activity
            android:name=".DialogThemeActivity"
            android:label="@string/app_name"
            android:theme="@android:style/Theme.Dialog">

            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>