研究QstileView的加載流程,可以友善後我們後續進行界面的定制化和相應的修改。本文僅僅簡單的探究流程,當然我們也會發現好多的新知識。
一、線上代碼位址:
分享一個線上看代碼的位址:
https://android.googlesource.com/platform/frameworks/base/+/master/packages/SystemUI/src/com/android/systemui/qs/
二、icon和tile的加載流程
三、關于圖示布局大小和padding的設定。
QSTileBaseView.java
public QSTileBaseView(Context context, QSIconView icon, boolean collapsedView) {
super(context);
// Default to Quick Tile padding, and QSTileView will specify its own padding.
int padding = context.getResources().getDimensionPixelSize(R.dimen.qs_quick_tile_padding);
//圖示的動态添加
mIconFrame = new FrameLayout(context);
mIconFrame.setForegroundGravity(Gravity.CENTER);
//設定大小
int size = context.getResources().getDimensionPixelSize(R.dimen.qs_quick_tile_size);
addView(mIconFrame, new LayoutParams(size, size));
mIcon = icon;
FrameLayout.LayoutParams params = new FrameLayout.LayoutParams(
ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
params.setMargins(0, padding, 0, padding);
mIconFrame.addView(mIcon, params);
mTileBackground = newTileBackground();
if (mTileBackground instanceof RippleDrawable) {
setRipple((RippleDrawable) mTileBackground);
}
setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_YES);
setBackground(mTileBackground);
setPadding(0, 0, 0, 0);
setClipChildren(false);
setClipToPadding(false);
mCollapsedView = collapsedView;
setFocusable(true);
}
dimens.xml
<!--icon外面布局的大小/FrameLayout的-->
<dimen name="qs_quick_tile_size">48dp</dimen>
<!--圖示大小-->
<dimen name="qs_tile_icon_size">24dp</dimen>
<!--字型大小-->
<dimen name="qs_tile_text_size">12sp</dimen>