Android 开发技巧杂集

核心提示：12. findViewById(R.id.stub_import)).inflate();1 ) 定义 ViewStub< ViewStub android : id = "@+ id / stub _ import "android : inflatedId ="@+ id /

12. findViewById(R.id.stub_import)).inflate();

1 ) 定义 ViewStub

< ViewStub android : id = "@+ id / stub _ import "

android : inflatedId ="@+ id / panel _ import "

android : layout ="@ layout / progress _ overlay "

android : layout _ width =" fill _ parent "

android:layout_height="wrap_content"

android:layout_gravity="bottom"/>

2 )展开视图

findViewById(R.id.stub_import).setVisibility(View.VISIBLE);

// 或者 获取视图

View importPanel = ((ViewStub)

findViewById(R.id.stub_import)).inflate();

4.删除窗口背景

1) 编码实现

Java代码

1. public void onCreate(Bundle icicle){

2. super.onCreate(icicle);

3. setContentView(R.layout.mainview);

4. // 删除窗口背景

5. getWindow().setBackgroundDrawable(null);

6. ...

7. }

public void onCreate(Bundle icicle){

super.onCreate(icicle);

setContentView(R.layout.mainview);

// 删除窗口背景

getWindow().setBackgroundDrawable(null);

...

}

2 )自定义主题实现

Java代码

1. < resources>

2. < mce:style name="NoBackgroundTheme" parent="android:Theme">< !--

3. < item name="android:windowBackground">@null< /item>

4. -->< /mce:style>< style name="NoBackgroundTheme" parent="android:Theme" mce_bogus="1">< item name="android:windowBackground">@null< /item>< /style>

5. < /resources>

< resources>

< mce:style name="NoBackgroundTheme" parent="android:Theme">< !--

< item name="android:windowBackground">@null< /item>

-->< /mce:style>< style name="NoBackgroundTheme" parent="android:Theme" mce_bogus="1">< item