下面列出了怎么用android.app.ActionBar.LayoutParams的API类实例代码及写法，或者点击链接到github查看源代码。
public void doClick(View view) {
//AlertDialog����
// 1.����AlertDialog
// AlertDialog dialog = new AlertDialog.Builder(this).setTitle("title")
// .setMessage("message").create();
// 2.ͨ��Dialog��ȡWindow
// Window window = dialog.getWindow();
// window.setGravity(Gravity.BOTTOM); // �˴���������dialog��ʾ��λ��
// 3.��Window�������ö������
// window.setWindowAnimations(R.style.dialogWindowAnim); // ��Ӷ���
// ��ʾ�Ի���
// dialog.show();
//popupwindow�Ķ���
View popupwindow = getLayoutInflater().inflate(
R.layout.popupwindow_layout, null);
PopupWindow pop = new PopupWindow(popupwindow,
ViewGroup.LayoutParams.WRAP_CONTENT,
ViewGroup.LayoutParams.WRAP_CONTENT);
pop.setAnimationStyle(R.style.dialogWindowAnim);
pop.showAsDropDown(view);
}
public SliderHelper(Activity activity) {
slider = new Slider(activity);
rangeSlider = new RangeSlider(activity);
// Makes sure getParent() won't return null.
container =
new LinearLayout(activity) {
@Override
public boolean shouldDelayChildPressedState() {
return simulateScrollableContainer;
}
};
container.setPadding(50, 50, 50, 50);
container.setOrientation(LinearLayout.VERTICAL);
// Prevents getContentView() dead loop.
container.setId(android.R.id.content);
// Adds slider to layout, and adds layout to activity.
container.addView(slider, new LayoutParams(MATCH_PARENT, WRAP_CONTENT));
container.addView(rangeSlider, new LayoutParams(MATCH_PARENT, WRAP_CONTENT));
}
@Override
public void showAtLocation(View parent, int gravity, int x, int y) {
if(App.currentUser != null) {
userId = App.currentUser.getId();
}
collect = collectDAO.getCollect(userId, mJoke.getId());
if(collect != null) { //收藏过
getContentView().findViewById(R.id.share_collect).setSelected(true);
} else {
getContentView().findViewById(R.id.share_collect).setSelected(false);
}
Activity activity = ((Activity)context).getParent();
if(activity == null) {
activity = ((Activity)context);
}
WindowManager.LayoutParams lp = activity.getWindow().getAttributes();
lp.alpha = 0.4f;
activity.getWindow().setAttributes(lp);
activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND);
super.showAtLocation(parent, gravity, x, y);
}
@Override
public void onResume() {
super.onResume();
if (tile != null) {
ViewGroup vg = this.getActivity().findViewById(R.id.universal_frame_tile);
//Check whether the view group is available. If so, this activity is a frame tile host
if (vg != null) {
if (tile.getParent() != null) {
((ViewGroup)tile.getParent()).removeView(tile);
}
vg.addView(tile, LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT);
//this doesn't really make it over well
mInternalDetailView = null;
}
}
}
@Before
public void createClockFace() {
ApplicationProvider.getApplicationContext().setTheme(R.style.Theme_MaterialComponents_Light);
Activity activity = Robolectric.buildActivity(Activity.class).setup().start().get();
clockHandView = new ClockHandView(activity);
clockHandView.setCircleRadius(100);
LinearLayout container = new LinearLayout(activity);
container.setPadding(50, 50, 50, 50);
container.setOrientation(LinearLayout.VERTICAL);
container.setId(android.R.id.content);
container.addView(clockHandView, new LayoutParams(300, 300));
activity.setContentView(container);
}
/**
* 初始化窗口
*/
private void initWindow() {
this.setClippingEnabled(false);
this.setWidth(LayoutParams.MATCH_PARENT);
//设置弹出窗体的高
this.setHeight(LayoutParams.WRAP_CONTENT);
//设置弹出窗体可点击
this.setFocusable(true);
//设置弹出窗体动画效果
this.setAnimationStyle(R.style.inoutformbottom);
//实例化一个ColorDrawable颜色为半透明 (在此设置背景后此窗口不会出现黑色边框)
ColorDrawable dw = new ColorDrawable(0xFFFFFFFF);
//设置SelectPicPopupWindow弹出窗体的背景
this.setBackgroundDrawable(dw);
//popupwindow消失的时候让窗口背景恢复
this.setOnDismissListener(new OnDismissListener() {
@Override
public void onDismiss() {
Activity activity = ((Activity) context).getParent();
if (activity == null) {
activity = ((Activity) context);
}
WindowManager.LayoutParams lp = activity.getWindow().getAttributes();
lp.alpha = 1f;
activity.getWindow().setAttributes(lp);
}
});
}
public CustomProgressDialog(Context context, int resourceIdOfImage, String textToDisplay) {
super(context, R.style.CustomProgressDialog);
setTitle(null);
setCancelable(false);
setOnCancelListener(null);
RelativeLayout layout = new RelativeLayout(context);
RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
params.addRule(RelativeLayout.CENTER_HORIZONTAL);
rotatingImageView = new ImageView(context);
rotatingImageView.setImageResource(resourceIdOfImage);
// rotatingImageView.setId(1);
layout.addView(rotatingImageView, params);
textView = new TextView(context);
textView.setText(textToDisplay);
textView.setTextColor(context.getResources().getColor(R.color.white));
params = new RelativeLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
params.addRule(RelativeLayout.CENTER_HORIZONTAL);
params.addRule(RelativeLayout.BELOW, rotatingImageView.getId());
layout.addView(textView,params);
addContentView(layout, params);
}
private void attachBreadcrumbBar(Activity activity, ActionBar actionBar) {
//make sure we're in the right mode
actionBar.setDisplayShowCustomEnabled(true);
actionBar.setDisplayShowTitleEnabled(false);
//We need to get the amount that each item should "bleed" over to the left, and move the whole widget that
//many pixels. This replicates the "overlap" space that each piece of the bar has on the next piece for
//the left-most element.
int buffer = Math.round(activity.getResources().getDimension(R.dimen.title_round_bleed));
LayoutParams p = new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.MATCH_PARENT);
p.leftMargin = buffer;
activity.setTitle("");
actionBar.setDisplayShowHomeEnabled(false);
}
private View findAndLoadCaseTile(final Activity activity) {
final View holder = LayoutInflater.from(activity).inflate(R.layout.com_tile_holder, null);
final Pair<View, TreeReference> tileData = this.loadTile(activity);
if (tileData == null || tileData.first == null) {
return null;
}
View tile = tileData.first;
final String inlineDetail = (String)tile.getTag();
((ViewGroup)holder.findViewById(R.id.com_tile_holder_frame)).addView(tile, LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
ImageButton infoButton = holder.findViewById(R.id.com_tile_holder_btn_open);
if (inlineDetail == null) {
infoButton.setVisibility(View.GONE);
}
holder.setTag(INLINE_TILE_COLLAPSED);
infoButton.setOnClickListener(v -> {
boolean isCollapsed = INLINE_TILE_COLLAPSED.equals(holder.getTag());
if (isCollapsed) {
expandInlineTile(activity, holder, tileData, inlineDetail);
} else {
collapseTileIfExpanded(activity);
}
});
return holder;
}
private void prepareSearchView() {
final View searchViewLayout =
getLayoutInflater().inflate(R.layout.dialtacts_custom_action_bar, null);
mSearchView = (SearchView) searchViewLayout.findViewById(R.id.search_view);
mSearchView.setOnQueryTextListener(mPhoneSearchQueryTextListener);
mSearchView.setOnCloseListener(mPhoneSearchCloseListener);
// Since we're using a custom layout for showing SearchView instead of letting the
// search menu icon do that job, we need to manually configure the View so it looks
// "shown via search menu".
// - it should be iconified by default
// - it should not be iconified at this time
// See also comments for onActionViewExpanded()/onActionViewCollapsed()
mSearchView.setIconifiedByDefault(true);
mSearchView.setQueryHint(getString(R.string.hint_findContacts));
mSearchView.setIconified(false);
mSearchView.setOnQueryTextFocusChangeListener(new OnFocusChangeListener() {
@Override
public void onFocusChange(View view, boolean hasFocus) {
if (hasFocus) {
showInputMethod(view.findFocus());
}
}
});
if (!ViewConfiguration.get(this).hasPermanentMenuKey()) {
// Filter option menu should be shown on the right side of SearchView.
final View filterOptionView = searchViewLayout.findViewById(R.id.search_option);
filterOptionView.setVisibility(View.VISIBLE);
filterOptionView.setOnClickListener(mFilterOptionClickListener);
}
getActionBar().setCustomView(searchViewLayout,
new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT));
}
private int canSetTranslucentFlag() {
Resources resources = getResources();
int id = resources.getIdentifier("config_enableTranslucentDecor", "bool", "android");
if (id != 0) {
boolean enabled = resources.getBoolean(id);
if (enabled) {
Window w = getWindow();
w.setFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS |
WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION,
WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION |
WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
//w.setFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS,
//WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
id = resources.getIdentifier("config_showNavigationBar", "bool", "android");
if (id > 0) {
if (!resources.getBoolean(id)) return 0;
} else {
return 0;
}
id = resources.getIdentifier("navigation_bar_height", "dimen", "android");
if (id > 0) {
return resources.getDimensionPixelSize(id);
}
}
}
return 0;
}
public void showToolTip(View anchor, String tipText) {
mTipText.setText(tipText);
tipWindow.setHeight(LayoutParams.WRAP_CONTENT);
tipWindow.setWidth(LayoutParams.WRAP_CONTENT);
tipWindow.setOutsideTouchable(true);
tipWindow.setTouchable(true);
tipWindow.setBackgroundDrawable(new BitmapDrawable());
tipWindow.setContentView(contentView);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
tipWindow.setElevation(1f);
}
int[] screen_pos = new int[2];
anchor.getLocationOnScreen(screen_pos);
// Get rect for anchor view
Rect anchor_rect = new Rect(screen_pos[0], screen_pos[1], screen_pos[0]
+ anchor.getWidth(), screen_pos[1] + anchor.getHeight());
// Call view measure to calculate how big your view should be.
contentView.measure(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
int position_x = 0;
int position_y = 0;
if (position == POSITION_TO_RIGHT) {
position_x = anchor_rect.right;
position_y = (int) anchor.getY() + anchor.getHeight() / 2;
} else if (position == POSITION_BOTTOM) {
mNavUpArrow.setVisibility(View.VISIBLE);
mNavLeftArrow.setVisibility(View.GONE);
mTipText.forceLayout();
position_x = anchor_rect.centerX() - (contentView.getMeasuredWidth() / 2);//anchor_rect.centerX() - (contentView.getWidth() / 2);
position_y = anchor_rect.bottom - (anchor_rect.height() / 2);
}
tipWindow.showAtLocation(anchor, Gravity.NO_GRAVITY, position_x,
position_y);
contentView.addOnLayoutChangeListener((v, left, top, right, bottom, oldLeft, oldTop, oldRight, oldBottom) -> {
revealTransition = ViewAnimationUtils.createCircularReveal(mainLayout, (int) mainLayout.getX(), (int) (mainLayout.getY() + mainLayout.getHeight() / 2), 0, mainLayout.getWidth());
revealTransition.setInterpolator(new AccelerateDecelerateInterpolator());
revealTransition.setDuration(REVEAL_DURATION);
revealTransition.addListener(new SupportAnimator.AnimatorListener() {
@Override
public void onAnimationStart() {
mainLayout.setVisibility(View.VISIBLE);
}
@Override
public void onAnimationEnd() {
}
@Override
public void onAnimationCancel() {
}
@Override
public void onAnimationRepeat() {
}
});
revealTransition.start();
});
int HIDEDELAY = 1000 * 5;
handler.sendEmptyMessageDelayed(MSG_DISMISS_TOOLTIP, HIDEDELAY);
}
void addContentView(Activity activity) {
activity.addContentView(container, new LayoutParams(MATCH_PARENT, WRAP_CONTENT));
}