Dialog Activity : Dialog « UI « Android

1. Android
2. UI
3. Dialog

Dialog Activity

  
/*
 * Copyright (C) 2008 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package app.test;


import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.Window;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.LinearLayout;

/**
 * <h3>Dialog Activity</h3>
 *
 * <p>This demonstrates the how to write an activity that looks like
 * a pop-up dialog.</p>
 */
public class Test extends Activity {
    /**
     * Initialization of the Activity after it is first created.  Must at least
     * call {@link android.app.Activity#setContentView setContentView()} to
     * describe what is to be displayed in the screen.
     */
    @Override
  protected void onCreate(Bundle savedInstanceState) {
        // Be sure to call the super class.
        super.onCreate(savedInstanceState);

        requestWindowFeature(Window.FEATURE_LEFT_ICON);


        // See assets/res/any/layout/dialog_activity.xml for this
        // view layout definition, which is being set here as
        // the content of our screen.
        setContentView(R.layout.main);
        getWindow().setTitle("This is just a test");

        getWindow().setFeatureDrawableResource(Window.FEATURE_LEFT_ICON,
                android.R.drawable.ic_dialog_alert);

        Button button = (Button)findViewById(R.id.add);
        button.setOnClickListener(mAddContentListener);
        button = (Button)findViewById(R.id.remove);
        button.setOnClickListener(mRemoveContentListener);
    }

    private OnClickListener mAddContentListener = new OnClickListener() {
        public void onClick(View v) {
            LinearLayout layout = (LinearLayout)findViewById(R.id.inner_content);
            ImageView iv = new ImageView(Test.this);
            iv.setImageDrawable(getResources().getDrawable(R.drawable.icon));
            iv.setPadding(4, 4, 4, 4);
            layout.addView(iv);
        }
    };

    private OnClickListener mRemoveContentListener = new OnClickListener() {
        public void onClick(View v) {
            LinearLayout layout = (LinearLayout)findViewById(R.id.inner_content);
            int num = layout.getChildCount();
            if (num > 0) {
                layout.removeViewAt(num-1);
            }
        }
    };
}
//main.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2008 The Android Open Source Project

     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
     You may obtain a copy of the License at
  
          http://www.apache.org/licenses/LICENSE-2.0
  
     Unless required by applicable law or agreed to in writing, software
     distributed under the License is distributed on an "AS IS" BASIS,
     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     See the License for the specific language governing permissions and
     limitations under the License.
-->

<!-- Demonstrates an activity with a dialog theme.
     See corresponding Java code com.android.sdk.app.DialogActivity.java. -->

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="match_parent" android:layout_height="match_parent"
        android:orientation="vertical"
        android:padding="4dp" android:gravity="center_horizontal">
    
    <!-- Message to show to use. -->
    <TextView android:id="@+id/text"
        android:layout_width="wrap_content" android:layout_height="wrap_content"
        android:gravity="center_vertical|center_horizontal"
        android:textAppearance="?android:attr/textAppearanceMedium"
        android:text="dialog_activity_text"/>
        
    <!-- Container in which we are going to add and remove views, to demonstrate
         how the layout adjusts based on size. -->
    <LinearLayout android:id="@+id/inner_content"
            android:layout_width="wrap_content" android:layout_height="wrap_content"
            android:orientation="horizontal"
            android:paddingTop="4dp" android:paddingBottom="4dp">
    </LinearLayout>
    
    <!-- Alert dialog style buttons along the bottom. -->
    <LinearLayout style="?android:attr/buttonBarStyle"
        android:layout_width="match_parent" android:layout_height="wrap_content"
        android:measureWithLargestChild="true">
        <Button style="?android:attr/buttonBarButtonStyle" android:id="@+id/add"
            android:layout_width="wrap_content" android:layout_height="wrap_content"
            android:layout_weight="1"
            android:text="dialog_activity_add" />
        <Button style="?android:attr/buttonBarButtonStyle" android:id="@+id/remove"
            android:layout_width="wrap_content" android:layout_height="wrap_content"
            android:layout_weight="1"
            android:text="dialog_activity_remove" />
    </LinearLayout>
</LinearLayout>

   
    
  

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