1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.example.android.apis.app; 18 19 // Need the following import to get access to the app resources, since this 20 // class is in a sub-package. 21 import com.example.android.apis.R; 22 23 import android.app.Activity; 24 import android.os.Bundle; 25 import android.view.View; 26 import android.view.Window; 27 import android.view.View.OnClickListener; 28 import android.widget.Button; 29 import android.widget.ImageView; 30 import android.widget.LinearLayout; 31 32 /** 33 * <h3>Dialog Activity</h3> 34 * 35 * <p>This demonstrates the how to write an activity that looks like 36 * a pop-up dialog.</p> 37 */ 38 public class DialogActivity extends Activity { 39 /** 40 * Initialization of the Activity after it is first created. Must at least 41 * call {@link android.app.Activity#setContentView setContentView()} to 42 * describe what is to be displayed in the screen. 43 */ 44 @Override 45 protected void onCreate(Bundle savedInstanceState) { 46 // Be sure to call the super class. 47 super.onCreate(savedInstanceState); 48 49 requestWindowFeature(Window.FEATURE_LEFT_ICON); 50 51 52 // See assets/res/any/layout/dialog_activity.xml for this 53 // view layout definition, which is being set here as 54 // the content of our screen. 55 setContentView(R.layout.dialog_activity); 56 getWindow().setTitle("This is just a test"); 57 58 getWindow().setFeatureDrawableResource(Window.FEATURE_LEFT_ICON, 59 android.R.drawable.ic_dialog_alert); 60 61 Button button = (Button)findViewById(R.id.add); 62 button.setOnClickListener(mAddContentListener); 63 button = (Button)findViewById(R.id.remove); 64 button.setOnClickListener(mRemoveContentListener); 65 } 66 67 private OnClickListener mAddContentListener = new OnClickListener() { 68 public void onClick(View v) { 69 LinearLayout layout = (LinearLayout)findViewById(R.id.inner_content); 70 ImageView iv = new ImageView(DialogActivity.this); 71 iv.setImageDrawable(getResources().getDrawable(R.drawable.icon48x48_1)); 72 iv.setPadding(4, 4, 4, 4); 73 layout.addView(iv); 74 } 75 }; 76 77 private OnClickListener mRemoveContentListener = new OnClickListener() { 78 public void onClick(View v) { 79 LinearLayout layout = (LinearLayout)findViewById(R.id.inner_content); 80 int num = layout.getChildCount(); 81 if (num > 0) { 82 layout.removeViewAt(num-1); 83 } 84 } 85 }; 86 } 87
