1 /* 2 * Copyright (C) 2007 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 android.view; 18 19 import com.android.frameworks.coretests.R; 20 21 import android.app.Activity; 22 import android.graphics.drawable.Drawable; 23 import android.os.Bundle; 24 import android.view.View; 25 import android.view.View.OnClickListener; 26 import android.widget.AbsoluteLayout; 27 import android.widget.Button; 28 import android.widget.FrameLayout; 29 import android.widget.LinearLayout; 30 import android.widget.RelativeLayout; 31 import android.widget.TextView; 32 33 /** 34 * Views should obey their background {@link Drawable}'s minimum size 35 * requirements ({@link Drawable#getMinimumHeight()} and 36 * {@link Drawable#getMinimumWidth()}) when possible. 37 * <p> 38 * This Activity exercises a few Views with background {@link Drawable}s. 39 */ 40 public class DrawableBgMinSize extends Activity implements OnClickListener { 41 private boolean mUsingBigBg = false; 42 private Drawable mBackgroundDrawable; 43 private Drawable mBigBackgroundDrawable; 44 private Button mChangeBackgroundsButton; 45 46 private TextView mTextView; 47 private LinearLayout mLinearLayout; 48 private RelativeLayout mRelativeLayout; 49 private FrameLayout mFrameLayout; 50 private AbsoluteLayout mAbsoluteLayout; 51 52 @Override onCreate(Bundle icicle)53 protected void onCreate(Bundle icicle) { 54 super.onCreate(icicle); 55 56 setContentView(R.layout.drawable_background_minimum_size); 57 58 mBackgroundDrawable = getResources().getDrawable(R.drawable.drawable_background); 59 mBigBackgroundDrawable = getResources().getDrawable(R.drawable.big_drawable_background); 60 61 mChangeBackgroundsButton = (Button) findViewById(R.id.change_backgrounds); 62 mChangeBackgroundsButton.setOnClickListener(this); 63 64 mTextView = (TextView) findViewById(R.id.text_view); 65 mLinearLayout = (LinearLayout) findViewById(R.id.linear_layout); 66 mRelativeLayout = (RelativeLayout) findViewById(R.id.relative_layout); 67 mFrameLayout = (FrameLayout) findViewById(R.id.frame_layout); 68 mAbsoluteLayout = (AbsoluteLayout) findViewById(R.id.absolute_layout); 69 70 changeBackgrounds(mBackgroundDrawable); 71 } 72 changeBackgrounds(Drawable newBg)73 private void changeBackgrounds(Drawable newBg) { 74 mTextView.setBackgroundDrawable(newBg); 75 mLinearLayout.setBackgroundDrawable(newBg); 76 mRelativeLayout.setBackgroundDrawable(newBg); 77 mFrameLayout.setBackgroundDrawable(newBg); 78 mAbsoluteLayout.setBackgroundDrawable(newBg); 79 } 80 onClick(View v)81 public void onClick(View v) { 82 if (mUsingBigBg) { 83 changeBackgrounds(mBackgroundDrawable); 84 } else { 85 changeBackgrounds(mBigBackgroundDrawable); 86 } 87 88 mUsingBigBg = !mUsingBigBg; 89 } 90 91 } 92