Mega Code Archive
Demonstrates setting size constraints on android widget ImageView
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/*
* 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.view;
import android.app.Activity;
import android.os.Bundle;
import com.example.android.apis.R;
/**
* Demonstrates setting size constraints on {@link android.widget.ImageView}
*
*/
public class ImageView1 extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.image_view_1);
}
}
//image_view_1.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.
-->
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<!-- The following four examples use a large image -->
<!-- 1. Non-scaled view, for reference -->
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:paddingTop="10dip"
android:text="image_view_large_normal"/>
<ImageView
android:src="@drawable/sample_1"
android:adjustViewBounds="true"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<!-- 2. Limit to at most 50x50 -->
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:paddingTop="10dip"
android:text="image_view_large_at_most"/>
<ImageView
android:src="@drawable/sample_1"
android:adjustViewBounds="true"
android:maxWidth="50dip"
android:maxHeight="50dip"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<!-- 3. Limit to at most 70x70, with 10 pixels of padding all around -->
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:paddingTop="10dip"
android:text="image_view_large_at_most_padded"/>
<ImageView
android:src="@drawable/sample_1"
android:background="#66FFFFFF"
android:adjustViewBounds="true"
android:maxWidth="70dip"
android:maxHeight="70dip"
android:padding="10dip"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<!-- 4. Limit to exactly 70x70, with 10 pixels of padding all around -->
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:paddingTop="10dip"
android:text="image_view_large_exactly_padded"/>
<ImageView
android:src="@drawable/sample_1"
android:background="#66FFFFFF"
android:scaleType="centerInside"
android:padding="10dip"
android:layout_width="70dip"
android:layout_height="70dip" />
<!-- Repeating the previous four examples with small image -->
<!-- 1. Non-scaled view, for reference -->
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:paddingTop="10dip"
android:text="image_view_small_normal"/>
<ImageView
android:src="@drawable/stat_happy"
android:background="#FFFFFFFF"
android:adjustViewBounds="true"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<!-- 2. Limit to at most 50x50 -->
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:paddingTop="10dip"
android:text="image_view_small_at_most"/>
<ImageView
android:src="@drawable/stat_happy"
android:background="#FFFFFFFF"
android:adjustViewBounds="true"
android:maxWidth="50dip"
android:maxHeight="50dip"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<!-- 3. Limit to at most 70x70, with 10 pixels of padding all around -->
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:paddingTop="10dip"
android:text="image_view_small_at_most_padded"/>
<ImageView
android:src="@drawable/stat_happy"
android:background="#FFFFFFFF"
android:adjustViewBounds="true"
android:maxWidth="70dip"
android:maxHeight="70dip"
android:padding="10dip"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<!-- 4. Limit to exactly 70x70, with 10 pixels of padding all around -->
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:paddingTop="10dip"
android:text="image_view_small_exactly_padded"/>
<ImageView
android:src="@drawable/stat_happy"
android:background="#FFFFFFFF"
android:scaleType="centerInside"
android:padding="10dip"
android:layout_width="70dip"
android:layout_height="70dip" />
</LinearLayout>
</ScrollView>
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