![](/img/trans.png)
[英]Icon of the menu item doesn't show up in the Action Bar if it is from app drawable folders
[英]Drawable Vector Icon defined in menu.xml doesn't show up in appBar?
menu.xml中的可繪制矢量圖標未顯示在appBar中,其中有兩個,一個是搜索Icon,另一個是過濾器Icon。 我不知道哪里出了錯。 這是我的活動的摘要:
static String query;
static {
AppCompatDelegate.setCompatVectorFromResourcesEnabled(true);
}
Toolbar myToolbar;
SearchView searchView = null;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_search);
//Set custom AppBar
myToolbar = findViewById(R.id.search_toolbar);
//myToolbar.inflateMenu(R.menu.menu_search);
initToolBarMenuIcons();
setSupportActionBar(myToolbar);
myToolbar.setOnMenuItemClickListener(this);
setupViews();
//Check internet connection
new InternetCheck(internet -> {
//Display no internet Toast if there's no internet
if (!internet) {
Toast.makeText(this, "no internet", Toast.LENGTH_SHORT).show();
}
});
}
@MainThread
@SuppressLint("NewApi") //suppress warning, since using DrawableCompat to set tint
public void initToolBarMenuIcons() {
myToolbar.inflateMenu(R.menu.menu_search);
//Manually adding icon since it's a vector drawable and we can't currently inflate from XML into menuitems
Drawable wrappedFilterIcon = DrawableCompat
.wrap(Objects.requireNonNull(AppCompatResources
.getDrawable(getBaseContext(), R.drawable.ic_filter_list_white_24dp)));
Drawable wrappedSearchIcon = DrawableCompat
.wrap(Objects.requireNonNull(AppCompatResources
.getDrawable(getBaseContext(), R.drawable.ic_search_white_24dp)));
//Tint it too
DrawableCompat.setTint(wrappedFilterIcon, Color.WHITE);
DrawableCompat.setTint(wrappedSearchIcon, Color.WHITE);
//Set the tinted vector drawable to the item
myToolbar.getMenu().findItem(R.id.action_filter).setIcon(wrappedFilterIcon);
myToolbar.getMenu().findItem(R.id.action_search).setIcon(wrappedSearchIcon);
}
[snip...]
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_search, menu);
MenuItem searchItem = menu.findItem(R.id.action_search);
searchView = (SearchView) searchItem.getActionView();
searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
@Override
public boolean onQueryTextSubmit(String query) {
onArticleSearch(null);
searchView.clearFocus();
return true;
}
@Override
public boolean onQueryTextChange(String newText) {
return false;
}
});
return super.onCreateOptionsMenu(menu);
}
這是在menu.xml中指定項目和圖標來源的位置。 我使用app:srcCompat作為圖標路徑。
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:tools="http://schemas.android.com/tools"
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto">
<item
android:id="@+id/action_filter"
app:showAsAction="always"
app:srcCompat="@drawable/ic_filter_list_white_24dp"
tools:ignore="MenuTitle"
android:orderInCategory="2" />
<item android:id="@+id/action_search"
android:orderInCategory="1"
android:title="Search Article"
app:srcCompat="@drawable/ic_search_white_24dp"
app:showAsAction="always|collapseActionView"
app:actionViewClass="android.support.v7.widget.SearchView" />
我導入了以下庫:實現“ com.android.support:support-vector-drawable:27.1.1”實現“ com.android.support:animated-vector-drawable:27.1.1”
然后在我的應用Gradle文件中進行設置:
android {
compileSdkVersion 27
defaultConfig {
applicationId "com.realty.drake.newyorktimessearcher"
minSdkVersion 16
targetSdkVersion 27
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
vectorDrawables.useSupportLibrary true
}
請幫我
好像我不明白你的問題。 嘗試將drawable設置為菜單,如下所示:
<item
android:id="@+id/menuItem"
android:icon="@drawable/yourdrawable"
/>
抱歉,下面的文字是關於在菜單中使用animateddrawable的。
具有矢量動畫的文件實現了Animatable接口,並且要啟動動畫,您需要請求Drawable,將其帶到Animatable並調用start()方法。 我在onOptionsItemSelected中做到這一點:
override fun onOptionsItemSelected(item: MenuItem?): Boolean {
when (item?.itemId) {
..........
R.id.editNotification -> {
(item.icon as Animatable).start()
}
}
return super.onOptionsItemSelected(item)
}
對於Java使用:
((Animatable) item.getIcon()).start();
但是您可能會遇到我遇到的一個問題:如何向后動畫。 我沒有本機解決方案,但是您可以這樣操作:1.使用向后動畫創建可繪制對象2.實施AnimationCallback並在動畫結束時切換這些可繪制對象。 例如:
override fun onCreateOptionsMenu(menu: Menu?): Boolean {
menuInflater.inflate(R.menu.menu_edit_notification, menu)
animDrawable = AnimatedVectorDrawableCompat.create(this, R.drawable.avd_edit_to_close)!!
menu?.getItem(0)?.icon = animDrawable
return true
}
override fun onOptionsItemSelected(item: MenuItem?): Boolean {
when (item?.itemId) {
..............................
R.id.editNotification -> {
animDrawable.registerAnimationCallback(object : Animatable2Compat.AnimationCallback() {
override fun onAnimationEnd(drawable: Drawable?) {
animDrawable = AnimatedVectorDrawableCompat.create(this@NotificationActivity, if (inEditMode) R.drawable.avd_edit_to_close else R.drawable.avd_close_to_edit)!!
inEditMode = !inEditMode
item.icon = animDrawable
}
})
animDrawable.start()
}
}
return super.onOptionsItemSelected(item)
}
其中:animDrawable-是AnimatedVectorDrawableCompat inEditMode的實例-只是我的布爾標志抱歉,但是現在我沒有時間用Java編寫它,但是可以自由地提問
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.