修改Gallery2记录
1. 修改ActionBar的背景色,本例为修改为红色#ffff0000,也可以指定到/res/drawable/xx.png
1). 在Gallery2/res/values/ 增加自己的资源文件theme.xml
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<?xml version=“1.0” encoding=“utf-8”?>
<resources>
<style name=“TestAppTheme” parent=“android:Theme.Holo.Light”>
<item name=“android:actionBarStyle”>@style/WindCustomActionbar</item>
</style>
<style name=“WindCustomActionbar” parent=“@android:style/Widget.Holo.Light.ActionBar.Solid”>
<item name=“android:background”>#ffff0000</item>
</style>
</resources>
2). 在AndroidManifest.xml里指定使用这个Style
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<application
android:allowBackup=“true”
android:icon=“@drawable/ic_launcher”
android:label=“@string/app_name”
android:theme=“@style/TestAppTheme”>
…
</application>
2. 修改ActionBar上字体颜色,类似上面的,本例修改为白色
1). 在Gallery2/res/values/ 增加自己的资源文件theme.xml
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<?xml version=“1.0” encoding=“utf-8”?>
<resources>
<style name=“TestAppTheme” parent=“android:Theme.Holo.Light”>
<item name=“android:actionBarStyle”>@style/WindCustomActionbar</item>
</style>
<style name=“WindCustomActionbar” parent=“@android:style/Widget.Holo.Light.ActionBar.Solid”>
<item name=“android:titleTextStyle”>@style/WindCustomTitleTextColor</item>
</style>
<style name=“WindCustomTitleTextColor” parent=“@android:style/TextAppearance.Holo.Widget.ActionBar.Title”>
<item name=“android:textColor”>@*android:color/white</item>
</style>
</resources>
2). 在AndroidManifest.xml里指定使用这个Style
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<application
android:allowBackup=“true”
android:icon=“@drawable/ic_launcher”
android:label=“@string/app_name”
android:theme=“@style/TestAppTheme”>
…
</application>
3. 修改选中模式下的ActionBar的背景色,即View.startActionMode后的ActionBar背景色
1). 在Gallery2/res/values/ 增加自己的资源文件theme.xml
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<?xml version=“1.0” encoding=“utf-8”?>
<resources>
<style name=“TestAppTheme” parent=“android:Theme.Holo.Light”>
<item name=“android:actionModeBackground”>@drawable/ic_launcher</item>
</style>
</resources>
2). 在AndroidManifest.xml里指定使用这个Style
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<application
android:allowBackup=“true”
android:icon=“@drawable/ic_launcher”
android:label=“@string/app_name”
android:theme=“@style/TestAppTheme”>
…
</application>
4. 将画布背景从黑色改为白色
修改文件Gallery2/src/com/android/gallery3d/ui/StaticBackground.java
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protected void render(GLCanvas canvas) {
//canvas.fillRect(0, 0, getWidth(), getHeight(), 0xFF000000); //0xFF000000为黑色
canvas.fillRect(0, 0, getWidth(), getHeight(), 0xFFFFFFFF); //0xFFFFFFFF为白色
}
5. 将缩略图的左边距,上边距,右边距,下边距设定为20dp的空隙
Gallery2/src/com/android/gallery3d/app/AlbumSetPage.java
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private final GLView mRootPane = new GLView() {
private final float mMatrix[] = new float[16];
@Override
protected void onLayout(
boolean changed, int left, int top, int right, int bottom) {
…
//mAlbumSetView.layout(0, slotViewTop, slotViewRight, slotViewBottom); //源代码
//加入左边距,右边距,上边距,下边距
mAlbumSetView.layout(20, slotViewTop + 20, slotViewRight – 20, slotViewBottom – 20);
PositionRepository.getInstance(mActivity).setOffset(
0, slotViewTop);
}
…
}
6.将原来的竖屏模式下4行显示改为3行显示,修改缩略图相册间的间隔
Gallery2/res/values/dimensions.xml
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<!– configuration for album set page –>
<integer name=“albumset_rows_land”>2</integer>
<integer name=“albumset_rows_port”>4</integer> <!–将4修改为3 –>
<dimen name=“albumset_slot_gap”>1dp</dimen> <!– 相册缩略图的间隙–>
原文地址:http://blog.csdn.net/androiddeveloper_lee/article/details/9495581
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