Binary XML file line #10: Error inflating class com.mancj.materialsearchbar.MaterialSearchBar

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Cannot for the life of me figure out this issue. I've seen other people have similar issues, but I don't believe mine is like theirs.

E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.darrelbott.search, PID: 6010
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.darrelbott.search/com.darrelbott.search.MainActivity}: android.view.InflateException: Binary XML file line #10: Binary XML file line #10: Error inflating class com.mancj.materialsearchbar.MaterialSearchBar
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2913)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3048)
at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:78)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:108)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:68)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1808)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loop(Looper.java:193)
at android.app.ActivityThread.main(ActivityThread.java:6669)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)
Caused by: android.view.InflateException: Binary XML file line #10: Binary XML file line #10: Error inflating class com.mancj.materialsearchbar.MaterialSearchBar
Caused by: android.view.InflateException: Binary XML file line #10: Error inflating class com.mancj.materialsearchbar.MaterialSearchBar
Caused by: java.lang.reflect.InvocationTargetException
at java.lang.reflect.Constructor.newInstance0(Native Method)
at java.lang.reflect.Constructor.newInstance(Constructor.java:343)
at android.view.LayoutInflater.createView(LayoutInflater.java:647)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:790)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:730)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:863)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:824)
at android.view.LayoutInflater.inflate(LayoutInflater.java:515)
at android.view.LayoutInflater.inflate(LayoutInflater.java:423)
at android.view.LayoutInflater.inflate(LayoutInflater.java:374)
at com.android.internal.policy.PhoneWindow.setContentView(PhoneWindow.java:420)
at android.app.Activity.setContentView(Activity.java:2771)
at com.darrelbott.search.MainActivity.onCreate(MainActivity.java:32)
at android.app.Activity.performCreate(Activity.java:7136)
at android.app.Activity.performCreate(Activity.java:7127)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1271)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2893)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3048)
at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:78)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:108)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:68)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1808)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loop(Looper.java:193)
at android.app.ActivityThread.main(ActivityThread.java:6669)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)
Caused by: android.view.InflateException: Binary XML file line #23: Binary XML file line #23: Error inflating class android.widget.ImageView
Caused by: android.view.InflateException: Binary XML file line #23: Error inflating class android.widget.ImageView
Caused by: java.lang.reflect.InvocationTargetException
at java.lang.reflect.Constructor.newInstance0(Native Method)
at java.lang.reflect.Constructor.newInstance(Constructor.java:343)
E/AndroidRuntime: at android.view.LayoutInflater.createView(LayoutInflater.java:647)
at com.android.internal.policy.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:58)
at android.view.LayoutInflater.onCreateView(LayoutInflater.java:720)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:788)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:730)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:863)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:824)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:866)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:824)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:866)
at android.view.LayoutInflater.inflate(LayoutInflater.java:489)
at android.view.LayoutInflater.inflate(LayoutInflater.java:423)
at android.view.LayoutInflater.inflate(LayoutInflater.java:374)
at android.view.View.inflate(View.java:24354)
at com.mancj.materialsearchbar.MaterialSearchBar.init(MaterialSearchBar.java:138)
at com.mancj.materialsearchbar.MaterialSearchBar.(MaterialSearchBar.java:123)
at java.lang.reflect.Constructor.newInstance0(Native Method)
at java.lang.reflect.Constructor.newInstance(Constructor.java:343)
at android.view.LayoutInflater.createView(LayoutInflater.java:647)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:790)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:730)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:863)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:824)
at android.view.LayoutInflater.inflate(LayoutInflater.java:515)
at android.view.LayoutInflater.inflate(LayoutInflater.java:423)
at android.view.LayoutInflater.inflate(LayoutInflater.java:374)
at com.android.internal.policy.PhoneWindow.setContentView(PhoneWindow.java:420)
at android.app.Activity.setContentView(Activity.java:2771)
at com.darrelbott.search.MainActivity.onCreate(MainActivity.java:32)
at android.app.Activity.performCreate(Activity.java:7136)
at android.app.Activity.performCreate(Activity.java:7127)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1271)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2893)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3048)
at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:78)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:108)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:68)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1808)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loop(Looper.java:193)
at android.app.ActivityThread.main(ActivityThread.java:6669)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)
Caused by: java.lang.UnsupportedOperationException: Failed to resolve attribute at index 13: TypedValue{t=0x2/d=0x7f030135 a=-1}
at android.content.res.TypedArray.getDrawableForDensity(TypedArray.java:946)
at android.content.res.TypedArray.getDrawable(TypedArray.java:930)
at android.view.View.(View.java:5010)
at android.widget.ImageView.(ImageView.java:177)
at android.widget.ImageView.(ImageView.java:172)
at android.widget.ImageView.(ImageView.java:168)
plus 44 other lines

in layout folder:
activity_main.xml

java file in java/com.darrelbott.search/model/MainActivity
MainActivity.java
public class MainActivity extends Activity {

RecyclerView recyclerView;
RecyclerView.LayoutManager layoutManager;
SearchAdapter adapter;

MaterialSearchBar materialSearchBar;
List suggestList = new ArrayList<>();

Database database;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

//init View
recyclerView = (RecyclerView)findViewById(R.id.recycler_search);
layoutManager = new LinearLayoutManager(this);
recyclerView.setLayoutManager(layoutManager);
recyclerView.setHasFixedSize(true);

materialSearchBar = (MaterialSearchBar)findViewById(R.id.search_bar);
//materialSearchBar.inflateMenu(R.layout.activity_main);
//init DB
database = new Database(this);

//setup search bar
//materialSearchBar.setHint("Search");
//materialSearchBar.setCardViewElevation(10);
loadSuggestList();
materialSearchBar.addTextChangeListener(new TextWatcher() {

@Override
public void beforeTextChanged(CharSequence charSequence, int start, int count, int after) {

}

// method for when user types in search bar, return suggested strings
@Override
public void onTextChanged(CharSequence charSequence, int start, int before, int after) {

List suggest = new ArrayList<>();
for(String search : suggestList) {
if(search.toLowerCase().contains(materialSearchBar.getText().toLowerCase()))
suggest.add(search);
}
materialSearchBar.setLastSuggestions(suggest);

}

@Override
public void afterTextChanged(Editable editable) {

}
});
materialSearchBar.setOnSearchActionListener(new MaterialSearchBar.OnSearchActionListener() {

@Override
public void onSearchStateChanged(boolean enabled) {
if(!enabled)
recyclerView.setAdapter(adapter);
}

@Override
public void onSearchConfirmed(CharSequence text) {
startSearch(text.toString());
}

@Override
public void onButtonClicked(int buttonCode) {

}
});

//init Adapter default set all result
adapter = new SearchAdapter(this, database.getFriends());
}

private void startSearch(String text) {
adapter = new SearchAdapter(this, database.getFriendByName(text));
recyclerView.setAdapter(adapter);
}

private void loadSuggestList() {
suggestList = database.getNames();
materialSearchBar.setLastSuggestions(suggestList);
}
}

Any thoughts? I'm really at a loss for this as I've been trying different things for over a day now.

Start with activity_main.xml, MainActivity.java, and the stack trace locations at MaterialSearchBar.java lines 123 and 138, including the referenced XML line 23 ImageView failure. Reproduce the launch through MainActivity.onCreate and inspect the MaterialSearchBar attributes; done means the activity inflates without the reported exception.

Written by the indexing model from the issue text.