我希望在我的应用程序中将此库用于 searchBar ：See Link
此库 minSDK 有16个，当在 SDK 16和17 上运行此库并单击EditText（对于写入世界）时，不显示我的任何文本并且只显示白色屏幕（在editText中），但在设备上使用 SDK 18 以及更高版本运行时确定而不是错误！
SearchBar代码：
public class MaterialSearchBar extends RelativeLayout implements View.OnClickListener,
Animation.AnimationListener, SuggestionsAdapter.OnItemViewClickListener,
View.OnFocusChangeListener, TextView.OnEditorActionListener {
public static final int BUTTON_SPEECH = 1;
public static final int BUTTON_NAVIGATION = 2;
private LinearLayout inputContainer;
private ImageView searchIcon;
private ImageView arrowIcon;
private AppCompatEditText searchEdit;
private ImageView navIcon;
private OnSearchActionListener onSearchActionListener;
private boolean searchEnabled;
private boolean suggestionsVisible;
public static final int VIEW_VISIBLE = 1;
public static final int VIEW_INVISIBLE = 0;
private SuggestionsAdapter adapter;
private float destiny;
private int searchIconRes;
private int navIconResId;
private CharSequence hint;
private int maxSuggestionCount;
private boolean speechMode;
private int menuResource;
private PopupMenu popupMenu;
private int textColor;
private int hintColor;
private boolean navButtonEnabled;
public MaterialSearchBar(Context context, AttributeSet attrs) {
super(context, attrs);
init(attrs);
}
public MaterialSearchBar(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
init(attrs);
}
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
public MaterialSearchBar(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
super(context, attrs, defStyleAttr, defStyleRes);
init(attrs);
}
private void init(AttributeSet attrs) {
inflate(getContext(), R.layout.searchbar, this);
TypedArray array = getContext().obtainStyledAttributes(attrs, R.styleable.MaterialSearchBar);
searchIconRes = array.getResourceId(R.styleable.MaterialSearchBar_searchIconDrawable, -1);
navIconResId = array.getResourceId(R.styleable.MaterialSearchBar_navIconDrawable, -1);
hint = array.getString(R.styleable.MaterialSearchBar_hint);
maxSuggestionCount = array.getInt(R.styleable.MaterialSearchBar_maxSuggestionsCount, 3);
speechMode = array.getBoolean(R.styleable.MaterialSearchBar_speechMode, false);
hintColor = array.getColor(R.styleable.MaterialSearchBar_hintColor, -1);
textColor = array.getColor(R.styleable.MaterialSearchBar_textColor, -1);
navButtonEnabled = array.getBoolean(R.styleable.MaterialSearchBar_navIconEnabled, false);
destiny = getResources().getDisplayMetrics().density;
adapter = new SuggestionsAdapter(LayoutInflater.from(getContext()));
adapter.setListener(this);
adapter.maxSuggestionsCount = maxSuggestionCount;
RecyclerView recyclerView = (RecyclerView) findViewById(R.id.mt_recycler);
recyclerView.setAdapter(adapter);
recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
array.recycle();
searchIcon = (ImageView) findViewById(R.id.mt_search);
arrowIcon = (ImageView) findViewById(R.id.mt_arrow);
searchEdit = (AppCompatEditText) findViewById(R.id.mt_editText);
inputContainer = (LinearLayout) findViewById(R.id.inputContainer);
navIcon = (ImageView) findViewById(R.id.mt_nav);
findViewById(R.id.mt_clear).setOnClickListener(this);
setOnClickListener(this);
arrowIcon.setOnClickListener(this);
searchIcon.setOnClickListener(this);
searchEdit.setOnFocusChangeListener(this);
searchEdit.setOnEditorActionListener(this);
navIcon.setOnClickListener(this);
postSetup();
}
/**
* Inflate menu for searchBar
*
* @param menuResource - menu resource
*/
public void inflateMenu(int menuResource) {
this.menuResource = menuResource;
if (menuResource > 0) {
ImageView menuIcon = (ImageView) findViewById(R.id.mt_menu);
RelativeLayout.LayoutParams params = (LayoutParams) searchIcon.getLayoutParams();
params.rightMargin = (int) (36 * destiny);
searchIcon.setLayoutParams(params);
menuIcon.setVisibility(GONE);
menuIcon.setOnClickListener(this);
popupMenu = new PopupMenu(getContext(), menuIcon);
popupMenu.inflate(menuResource);
popupMenu.setGravity(Gravity.RIGHT);
}
}
/**
* Get popup menu
*
* @return PopupMenu
*/
public PopupMenu getMenu() {
return this.popupMenu;
}
private void postSetup() {
if (searchIconRes < 0)
searchIconRes = R.drawable.ic_magnify_black_48dp;
setSpeechMode(speechMode);
if (navIconResId < 0)
navIconResId = R.drawable.ic_menu_black_24dp;
setNavigationIcon(navIconResId);
if (hint != null)
searchEdit.setHint(hint);
setupTextColors();
setNavButtonEnabled(navButtonEnabled);
if (popupMenu == null)
findViewById(R.id.mt_menu).setVisibility(GONE);
}
private void setupTextColors() {
if (hintColor != -1)
searchEdit.setHintTextColor(ContextCompat.getColor(getContext(), hintColor));
if (textColor != -1)
searchEdit.setTextColor(ContextCompat.getColor(getContext(), textColor));
}
/**
* Register listener for search bar callbacks.
*
* @param onSearchActionListener the callback listener
*/
public void setOnSearchActionListener(OnSearchActionListener onSearchActionListener) {
this.onSearchActionListener = onSearchActionListener;
}
/**
* Hides search input and close arrow
*/
public void disableSearch() {
searchEnabled = false;
Animation out = AnimationUtils.loadAnimation(getContext(), R.anim.fade_out);
Animation in = AnimationUtils.loadAnimation(getContext(), R.anim.fade_in_right);
out.setAnimationListener(this);
searchIcon.setVisibility(VISIBLE);
inputContainer.startAnimation(out);
//inputContainer.animate().alpha(0).start();
searchIcon.startAnimation(in);
if (listenerExists())
onSearchActionListener.onSearchStateChanged(false);
if (suggestionsVisible) animateLastRequests(getListHeight(false), 0);
}
/**
* Shows search input and close arrow
*/
public void enableSearch() {
adapter.notifyDataSetChanged();
searchEnabled = true;
Animation left_in = AnimationUtils.loadAnimation(getContext(), R.anim.fade_in_left);
Animation left_out = AnimationUtils.loadAnimation(getContext(), R.anim.fade_out_left);
left_in.setAnimationListener(this);
inputContainer.setVisibility(VISIBLE);
inputContainer.startAnimation(left_in);
//inputContainer.animate().alpha(1).x(0).start();
if (listenerExists()) {
onSearchActionListener.onSearchStateChanged(true);
}
searchIcon.startAnimation(left_out);
}
private void animateLastRequests(int from, int to) {
suggestionsVisible = to > 0;
final RelativeLayout last = (RelativeLayout) findViewById(R.id.last);
final ViewGroup.LayoutParams lp = last.getLayoutParams();
if (to == 0 && lp.height == 0)
return;
ValueAnimator animator = ValueAnimator.ofInt(from, to);
animator.setDuration(200);
animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
lp.height = (int) animation.getAnimatedValue();
last.setLayoutParams(lp);
}
});
if (adapter.getItemCount() > 0)
animator.start();
}
/**
* Set search icon drawable resource
*
* @param searchIconResId icon resource id
*/
public void setSearchIcon(int searchIconResId) {
this.searchIconRes = searchIconResId;
this.searchIcon.setImageResource(searchIconResId);
}
/**
* Set navigation icon drawable resource
*
* @param navigationIconResId icon resource id
*/
public void setNavigationIcon(int navigationIconResId) {
this.navIconResId = navigationIconResId;
this.navIcon.setImageResource(navigationIconResId);
}
/**
* Sets search bar hint
*
* @param hint
*/
public void setHint(CharSequence hint) {
this.hint = hint;
searchEdit.setHint(hint);
}
/**
* sets the speechMode for the search bar.
* If set to true, microphone icon will display instead of the search icon.
* Also clicking on this icon will trigger the callback method onButtonClicked()
*
* @param speechMode
* @see #BUTTON_SPEECH
* @see OnSearchActionListener#onButtonClicked(int)
*/
public void setSpeechMode(boolean speechMode) {
this.speechMode = speechMode;
if (speechMode) {
searchIcon.setImageResource(R.drawable.mn_v_sv_mic4);
searchIcon.setColorFilter(ContextCompat.getColor(getContext(), R.color.colorAccent));
searchIcon.setClickable(true);
} else {
searchIcon.setImageResource(searchIconRes);
searchIcon.setClickable(false);
}
}
/**
* True if MaterialSearchBar is in speech mode
*
* @return speech mode
*/
public boolean isSpeechModeEnabled() {
return speechMode;
}
/**
* Check if search bar is in edit mode
*
* @return true if search bar is in edit mode
*/
public boolean isSearchEnabled() {
return searchEnabled;
}
/**
* Specifies the maximum number of search queries stored until the activity is destroyed
*
* @param maxQuery maximum queries
*/
public void setMaxSuggestionCount(int maxQuery) {
this.maxSuggestionCount = maxQuery;
adapter.maxSuggestionsCount = maxQuery;
}
/**
* Returns the last search queries.
* The queries are stored only for the duration of one activity session.
* When the activity is destroyed, the queries will be deleted.
* To save queries, use the method getLastSuggestions().
* To recover the queries use the method setLastSuggestions().
*
* @return array with the latest search queries
* @see #setLastSuggestions(List)
* @see #setMaxSuggestionCount(int)
*/
public List<String> getLastSuggestions() {
return adapter.getSuggestions();
}
/**
* Sets the array of recent search queries.
* It is advisable to save the queries when the activity is destroyed
* and call this method when creating the activity.
*
* @param suggestions an array of queries
* @see #getLastSuggestions()
* @see #setMaxSuggestionCount(int)
*/
public void setLastSuggestions(List<String> suggestions) {
adapter.setSuggestions(suggestions);
}
/**
* Set search input text color
*
* @param textColor text color
*/
public void setTextColor(int textColor) {
this.textColor = textColor;
setupTextColors();
}
/**
* Set text input hint color
*
* @param hintColor text hint color
*/
public void setTextHintColor(int hintColor) {
this.hintColor = hintColor;
setupTextColors();
}
/**
* Set navigation drawer menu icon enabled
*
* @param navButtonEnabled icon enabled
*/
public void setNavButtonEnabled(boolean navButtonEnabled) {
this.navButtonEnabled = navButtonEnabled;
if (navButtonEnabled) {
navIcon.setVisibility(VISIBLE);
navIcon.setClickable(true);
LayoutParams lp = (LayoutParams) inputContainer.getLayoutParams();
lp.leftMargin = (int) (50 * destiny);
inputContainer.setLayoutParams(lp);
arrowIcon.setVisibility(GONE);
} else {
navIcon.setVisibility(GONE);
navIcon.setClickable(false);
}
}
public void setText(String text) {
searchEdit.setText(text);
}
public String getText() {
return searchEdit.getText().toString();
}
/**
* Set CardView elevation
*
* @param elevation
*/
public void setCardViewElevation(int elevation) {
CardView cardView = (CardView) findViewById(R.id.mt_container);
cardView.setCardElevation(elevation);
}
/**
* Add text watcher to searchbar's EditText
*
* @param textWatcher
*/
public void addTextChangeListener(TextWatcher textWatcher) {
searchEdit.addTextChangedListener(textWatcher);
}
private boolean listenerExists() {
return onSearchActionListener != null;
}
@Override
public void onClick(View v) {
int id = v.getId();
if (id == getId()) {
if (!searchEnabled) {
enableSearch();
}
} else if (id == R.id.mt_arrow) {
disableSearch();
} else if (id == R.id.mt_search) {
if (listenerExists())
onSearchActionListener.onButtonClicked(BUTTON_SPEECH);
} else if (id == R.id.mt_clear) {
searchEdit.setText("");
disableSearch();
} else if (id == R.id.mt_menu) {
popupMenu.show();
} else if (id == R.id.mt_nav)
if (listenerExists())
onSearchActionListener.onButtonClicked(BUTTON_NAVIGATION);
}
@Override
public void onAnimationStart(Animation animation) {
}
@Override
public void onAnimationEnd(Animation animation) {
if (!searchEnabled) {
inputContainer.setVisibility(GONE);
searchEdit.setText("");
} else {
searchIcon.setVisibility(GONE);
searchEdit.requestFocus();
animateLastRequests(0, getListHeight(false));
}
}
@Override
public void onAnimationRepeat(Animation animation) {
}
@Override
public void onFocusChange(View v, boolean hasFocus) {
InputMethodManager imm = (InputMethodManager) getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
if (hasFocus) {
imm.showSoftInput(v, InputMethodManager.SHOW_IMPLICIT);
} else {
imm.hideSoftInputFromWindow(v.getWindowToken(), 0);
}
}
@Override
public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
if (listenerExists())
onSearchActionListener.onSearchConfirmed(searchEdit.getText());
if (suggestionsVisible)
animateLastRequests(getListHeight(false), 0);
adapter.addSuggestion(searchEdit.getText().toString());
return true;
}
private int getListHeight(boolean isSubtraction) {
if (!isSubtraction)
return (int) ((adapter.getItemCount() * 50) * destiny);
return (int) (((adapter.getItemCount() - 1) * 50) * destiny);
}
@Override
public void OnItemClickListener(int position, View v) {
if (v.getTag() instanceof String) {
searchEdit.setText((String) v.getTag());
}
}
@Override
public void OnItemDeleteListener(int position, View v) {
if (v.getTag() instanceof String) {
/*Order of two line should't be change,
because sholud calculate the height of item first*/
animateLastRequests(getListHeight(false), getListHeight(true));
adapter.deleteSuggestion(position, (String) v.getTag());
}
}
void onButtonClicked(int buttonCode);
}
@Override
protected Parcelable onSaveInstanceState() {
SavedState savedState = new SavedState(super.onSaveInstanceState());
savedState.isSearchBarVisible = searchEnabled ? VIEW_VISIBLE : VIEW_INVISIBLE;
savedState.suggestionsVisible = suggestionsVisible ? VIEW_VISIBLE : VIEW_INVISIBLE;
savedState.speechMode = speechMode ? VIEW_VISIBLE : VIEW_INVISIBLE;
savedState.navIconResId = navIconResId;
savedState.searchIconRes = searchIconRes;
savedState.suggestions = getLastSuggestions();
savedState.maxSuggestions = maxSuggestionCount;
if (hint != null) savedState.hint = hint.toString();
return savedState;
}
@Override
protected void onRestoreInstanceState(Parcelable state) {
SavedState savedState = (SavedState) state;
super.onRestoreInstanceState(savedState.getSuperState());
searchEnabled = savedState.isSearchBarVisible == VIEW_VISIBLE;
suggestionsVisible = savedState.suggestionsVisible == VIEW_VISIBLE;
setLastSuggestions(savedState.suggestions);
if (suggestionsVisible)
animateLastRequests(0, getListHeight(false));
if (searchEnabled) {
inputContainer.setVisibility(VISIBLE);
searchIcon.setVisibility(GONE);
}
}
private static class SavedState extends BaseSavedState {
private int isSearchBarVisible;
private int suggestionsVisible;
private int speechMode;
private int searchIconRes;
private int navIconResId;
private String hint;
private List<String> suggestions;
private int maxSuggestions;
@Override
public void writeToParcel(Parcel out, int flags) {
super.writeToParcel(out, flags);
out.writeInt(isSearchBarVisible);
out.writeInt(suggestionsVisible);
out.writeInt(speechMode);
out.writeInt(searchIconRes);
out.writeInt(navIconResId);
out.writeString(hint);
out.writeList(suggestions);
out.writeInt(maxSuggestions);
}
public SavedState(Parcel source) {
super(source);
isSearchBarVisible = source.readInt();
suggestionsVisible = source.readInt();
speechMode = source.readInt();
navIconResId = source.readInt();
searchIconRes = source.readInt();
hint = source.readString();
suggestions = source.readArrayList(null);
maxSuggestions = source.readInt();
}
public SavedState(Parcelable superState) {
super(superState);
}
public static final Creator<SavedState> CREATOR = new Creator<SavedState>() {
@Override
public SavedState createFromParcel(Parcel source) {
return new SavedState(source);
}
@Override
public SavedState[] newArray(int size) {
return new SavedState[size];
}
};
}
@Override
public boolean dispatchKeyEvent(KeyEvent event) {
if (event.getKeyCode() == KeyEvent.KEYCODE_BACK && searchEnabled) {
animateLastRequests(getListHeight(false), 0);
disableSearch();
return true;
}
return super.dispatchKeyEvent(event);
}
}
searchBar xml代码：
<?xml version="1.0" encoding="utf-8"?>
<merge xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto">
<android.support.v7.widget.CardView
android:id="@+id/mt_container"
android:layout_width="match_parent"
android:layout_height="50dp"
android:layout_margin="8dp"
app:cardBackgroundColor="@android:color/white"
app:cardElevation="4dp">
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/root"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<android.support.v7.widget.AppCompatImageView
android:id="@+id/mt_menu"
android:layout_width="36dp"
android:layout_height="50dp"
android:layout_alignParentEnd="true"
android:layout_alignParentRight="true"
android:layout_alignParentTop="true"
android:background="?attr/selectableItemBackgroundBorderless"
android:clickable="true"
android:padding="13dp"
android:scaleType="centerCrop"
android:src="@drawable/ic_dots_vertical_black_48dp"
android:tint="@color/material_grey_600"
android:visibility="gone" />
<android.support.v7.widget.AppCompatImageView
android:id="@+id/mt_nav"
android:layout_width="50dp"
android:layout_height="50dp"
android:layout_alignParentEnd="true"
android:layout_alignParentRight="true"
android:layout_weight="1"
android:clickable="true"
android:scaleType="center"
android:tint="@color/colorAccent"
app:srcCompat="@drawable/ic_menu_black_24dp" />
<LinearLayout
android:id="@+id/inputContainer"
android:layout_width="match_parent"
android:layout_height="50dp"
android:layout_toLeftOf="@+id/mt_menu"
android:layout_toRightOf="@+id/mt_nav"
android:layout_toStartOf="@+id/mt_menu"
android:gravity="center_vertical"
android:orientation="horizontal"
android:visibility="gone">
<android.support.v7.widget.AppCompatImageView
android:id="@+id/mt_arrow"
android:layout_width="50dp"
android:layout_height="50dp"
android:background="?attr/selectableItemBackground"
android:clickable="true"
android:padding="13dp"
android:src="@drawable/ic_arrow_left_black_48dp"
android:tint="@color/material_grey_600"
android:visibility="visible" />
<android.support.v7.widget.AppCompatEditText
android:id="@+id/mt_editText"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginLeft="8dp"
android:layout_marginRight="8dp"
android:layout_weight="1"
android:background="@android:color/transparent"
android:hint="@string/action_search"
android:imeOptions="flagNoExtractUi|actionSearch"
android:gravity="right|center_vertical"
android:textColor="@color/colorAccent"
android:singleLine="true"
android:textAppearance="?android:attr/textAppearanceMedium"
android:visibility="visible" />
<android.support.v7.widget.AppCompatImageView
android:id="@+id/mt_clear"
android:layout_width="50dp"
android:layout_height="50dp"
android:layout_marginRight="50dp"
android:background="?attr/selectableItemBackground"
android:padding="14dp"
android:src="@drawable/ic_close_black_48dp"
android:tint="@color/colorAccent" />
</LinearLayout>
<RelativeLayout
android:id="@+id/last"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:layout_marginTop="50dp">
<View
android:layout_width="match_parent"
android:layout_height="1dp"
android:background="@color/material_grey_300" />
<android.support.v7.widget.RecyclerView
android:id="@+id/mt_recycler"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
</RelativeLayout>
<android.support.v7.widget.AppCompatImageView
android:id="@+id/mt_search"
android:layout_width="50dp"
android:layout_height="50dp"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:layout_alignParentTop="true"
android:clickable="false"
android:padding="13dp"
android:src="@drawable/ic_magnify_black_48dp"
android:tint="@color/colorAccent"
android:visibility="visible" />
</RelativeLayout>
</android.support.v7.widget.CardView>
</merge>
样式代码：
<resources>
<!-- Base application theme. -->
<style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
<!-- Customize your theme here. -->
<item name="colorPrimary">@color/colorPrimary</item>
<item name="colorPrimaryDark">@color/colorPrimaryDark</item>
<item name="colorAccent">@color/colorAccent</item>
</style>
<style name="AppTheme.AppBarOverlay" parent="ThemeOverlay.AppCompat.Light" />
<style name="AppTheme.PopupOverlay" parent="ThemeOverlay.AppCompat.Light" />
</resources>
如何修复bug并在sdk 16和17中成功运行？
请帮帮我，谢谢大家＆lt; 3