/* * 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 com.example.android.apis.app; // Need the following import to get access to the app resources, since this // class is in a sub-package. import com.example.android.apis.R; 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; /** *
This demonstrates the how to write an activity that looks like * a pop-up dialog.
*/ public class DialogActivity 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.dialog_activity); 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(DialogActivity.this); iv.setImageDrawable(getResources().getDrawable(R.drawable.icon48x48_1)); 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); } } }; }