I tried to add on my layout "com.google.android.material.card.MaterialCardView" instead of "List view". Now when I try to access this layout in my application, it crashes and I don't know how to add Material Cardview without app crashes... Please help.
This is the activiy_whitelist.xml:
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
xmlns:fancy="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.d4rk.cleaner.WhitelistActivity">
<TextView
android:id="@+id/textView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginTop="30dp"
android:layout_marginEnd="8dp"
android:text="@string/whitelist"
android:textColor="@color/colorGoogleGreen"
android:textSize="24sp"
android:textStyle="bold"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"/>
<ImageView
android:id="@+id/boostView"
android:layout_width="69dp"
android:layout_height="69dp"
android:src="@drawable/ic_boost"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
tools:ignore="ContentDescription"/>
<ImageView
android:id="@+id/dustpanView"
android:layout_width="69dp"
android:layout_height="69dp"
android:src="@drawable/ic_dustpan"
tools:ignore="ContentDescription,MissingConstraints"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toTopOf="parent"/>
<com.google.android.material.card.MaterialCardView
android:id="@+id/whitelistView"
android:layout_width="0dp"
android:layout_height="0dp"
app:cardUseCompatPadding="true"
android:layout_marginStart="24dp"
app:cardElevation="5dp"
android:layout_marginTop="10dp"
app:cardCornerRadius="10dp"
android:layout_marginEnd="24dp"
android:layout_marginBottom="8dp"
android:background="@color/colorPrimaryDark"
app:layout_constraintBottom_toTopOf="@+id/recommendedButton"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/textView"/>
<mehdi.sakout.fancybuttons.FancyButton
android:id="@+id/resetWhiteList"
android:layout_width="30dp"
android:layout_height="30dp"
android:layout_marginEnd="8dp"
android:onClick="emptyWhitelist"
android:paddingLeft="0dp"
android:paddingTop="0dp"
android:paddingRight="0dp"
android:paddingBottom="0dp"
app:layout_constraintBottom_toBottomOf="@+id/textView"
app:layout_constraintEnd_toStartOf="@+id/textView"
fancy:fb_borderWidth="1dp"
fancy:fb_defaultColor="@color/colorPrimaryDark"
fancy:fb_focusColor="@color/colorAccent"
fancy:fb_radius="100dp"
fancy:fb_text=""
fancy:fb_textColor="@color/colorAccent"
tools:ignore="UsingOnClickInXml">
<ImageView
android:id="@+id/imageView"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginBottom="0dp"
android:layout_weight="1"
android:contentDescription="@string/todo"
android:src="@drawable/ic_delete"/>
</mehdi.sakout.fancybuttons.FancyButton>
<mehdi.sakout.fancybuttons.FancyButton
android:id="@+id/addWhiteList"
android:layout_width="30dp"
android:layout_height="30dp"
android:layout_marginStart="8dp"
android:onClick="addToWhiteList"
android:paddingLeft="0dp"
android:paddingTop="0dp"
android:paddingRight="0dp"
android:paddingBottom="0dp"
app:layout_constraintBottom_toBottomOf="@+id/textView"
app:layout_constraintStart_toEndOf="@+id/textView"
fancy:fb_borderWidth="1dp"
fancy:fb_defaultColor="@color/colorPrimaryDark"
fancy:fb_focusColor="@color/colorAccent"
fancy:fb_radius="100dp"
fancy:fb_textColor="@color/colorAccent"
tools:ignore="UsingOnClickInXml"
fancy:fb_text="">
<ImageView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginBottom="0dp"
android:layout_weight="1"
android:contentDescription="@string/todo"
android:src="@drawable/ic_plus_4"/>
</mehdi.sakout.fancybuttons.FancyButton>
<mehdi.sakout.fancybuttons.FancyButton
android:id="@+id/recommendedButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginEnd="8dp"
android:layout_marginBottom="12dp"
android:onClick="addRecommended"
android:paddingLeft="20dp"
android:paddingTop="10dp"
android:paddingRight="20dp"
android:paddingBottom="10dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
fancy:fb_defaultColor="@color/colorPrimary"
fancy:fb_focusColor="@color/colorAndroidGreen"
fancy:fb_radius="100dp"
fancy:fb_text="@string/add_defaults"
fancy:fb_useSystemFont="true"
fancy:fb_textColor="@color/colorAndroidGreen"
tools:ignore="UsingOnClickInXml"/>
</androidx.constraintlayout.widget.ConstraintLayout>
And here is java code:
package com.d4rk.cleaner;
import android.os.Bundle;
import android.os.Environment;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.BaseAdapter;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.Toast;
import androidx.appcompat.app.AlertDialog;
import androidx.appcompat.app.AppCompatActivity;
import com.fxn.stash.Stash;
import java.io.File;
import java.util.List;
public class WhitelistActivity extends AppCompatActivity {
ListView listView;
BaseAdapter adapter;
private static List<String> whiteList;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_whitelist);
Stash.init(getApplicationContext());
listView = findViewById(R.id.whitelistView);
adapter = new ArrayAdapter<>(this, R.layout.custom_textview, getWhiteList());
listView.setAdapter(adapter);
}
/**
* Clears the whitelist, then sets it up again without loading saved one from stash
* @param view the view that is clicked
*/
public final void emptyWhitelist(View view) {
new AlertDialog.Builder(WhitelistActivity.this,R.style.MyAlertDialogTheme)
.setTitle(R.string.reset_whitelist)
.setMessage(R.string.are_you_reset_whitelist)
.setPositiveButton(R.string.reset, (dialog, whichButton) -> {
whiteList.clear();
Stash.put("whiteList", whiteList);
refreshListView();
})
.setNegativeButton(R.string.cancel, (dialog, whichButton) -> { }).show();
}
public void addRecommended(View view) {
File externalDir = Environment.getExternalStorageDirectory();
if (!whiteList.contains(new File(externalDir, "Music").getPath())) {
whiteList.add(new File(externalDir, "Music").getPath());
whiteList.add(new File(externalDir, "Podcasts").getPath());
whiteList.add(new File(externalDir, "Ringtones").getPath());
whiteList.add(new File(externalDir, "Alarms").getPath());
whiteList.add(new File(externalDir, "Notifications").getPath());
whiteList.add(new File(externalDir, "Pictures").getPath());
whiteList.add(new File(externalDir, "Movies").getPath());
whiteList.add(new File(externalDir, "Download").getPath());
whiteList.add(new File(externalDir, "DCIM").getPath());
whiteList.add(new File(externalDir, "Documents").getPath());
Stash.put("whiteList", whiteList);
refreshListView();
} else
Toast.makeText(this, "Already added.",
Toast.LENGTH_LONG).show();
}
/**
* Creates a dialog asking for a file/folder name to add to the whitelist
* @param view the view that is clicked
*/
public final void addToWhiteList(View view) {
final EditText input = new EditText(WhitelistActivity.this);
new AlertDialog.Builder(WhitelistActivity.this,R.style.MyAlertDialogTheme)
.setTitle(R.string.add_to_whitelist)
.setMessage(R.string.enter_file_name)
.setView(input)
.setPositiveButton(R.string.add, (dialog, whichButton) -> {
whiteList.add(String.valueOf(input.getText()));
Stash.put("whiteList", whiteList);
refreshListView();
})
.setNegativeButton(R.string.cancel, (dialog, whichButton) -> { }).show();
}
public void refreshListView() {
runOnUiThread(() -> {
adapter.notifyDataSetChanged();
listView.invalidateViews();
listView.refreshDrawableState();
});
}
public static synchronized List<String> getWhiteList() {
whiteList=Stash.getArrayList("whiteList", String.class);
return whiteList;
}
}
Here is full source code: https://github.com/D4rK7355608/com.d4rk.cleaner
