Update banner for the warning

android/java/org/chromium/chrome/browser/crypto_wallet/activities/AccountDetailActivity.java

@@ -62,6 +62,7 @@ public class AccountDetailActivity
                         new Intent(AccountDetailActivity.this, AccountDetailsWithQrActivity.class);
                 accountDetailsWithQrActivityIntent.putExtra(Utils.ADDRESS, mAddress);
                 accountDetailsWithQrActivityIntent.putExtra(Utils.NAME, mName);
+                accountDetailsWithQrActivityIntent.putExtra(Utils.ISIMPORTED, mIsImported);
                 startActivity(accountDetailsWithQrActivityIntent);
             }
         });

android/java/org/chromium/chrome/browser/crypto_wallet/activities/AccountDetailsWithQrActivity.java

@@ -37,6 +37,7 @@ public class AccountDetailsWithQrActivity extends AsyncInitializationActivity {
 
     private String mAddress;
     private String mName;
+    private boolean mIsImported;
 
     @Override
     protected void triggerLayoutInflation() {
@@ -45,6 +46,7 @@ public class AccountDetailsWithQrActivity extends AsyncInitializationActivity {
         if (getIntent() != null) {
             mAddress = getIntent().getStringExtra(Utils.ADDRESS);
             mName = getIntent().getStringExtra(Utils.NAME);
+            mIsImported = getIntent().getBooleanExtra(Utils.ISIMPORTED, false);
         }
 
         Toolbar toolbar = findViewById(R.id.toolbar);
@@ -67,6 +69,9 @@ public class AccountDetailsWithQrActivity extends AsyncInitializationActivity {
         accountNameText.setEnabled(false);
 
         TextView privateKeyText = findViewById(R.id.account_private_key_text);
+        if (mIsImported) {
+            privateKeyText.setVisibility(View.GONE);
+        }
         privateKeyText.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {

android/java/org/chromium/chrome/browser/crypto_wallet/activities/AccountPrivateKeyActivity.java

@@ -6,9 +6,13 @@
 package org.chromium.chrome.browser.crypto_wallet.activities;
 
 import android.text.method.HideReturnsTransformationMethod;
+import android.text.method.PasswordTransformationMethod;
 import android.view.MenuItem;
+import android.view.View;
 import android.widget.Button;
 import android.widget.EditText;
+import android.widget.ImageView;
+import android.widget.LinearLayout;
 import android.widget.TextView;
 
 import androidx.appcompat.widget.Toolbar;
@@ -28,6 +32,7 @@ public class AccountPrivateKeyActivity
         extends AsyncInitializationActivity implements ConnectionErrorHandler {
     private KeyringController mKeyringController;
     private String mAddress;
+    private boolean mIsPrivateKeyShown;
     @Override
     protected void triggerLayoutInflation() {
         setContentView(R.layout.activity_account_private_key);
@@ -47,6 +52,38 @@ public class AccountPrivateKeyActivity
                 -> Utils.saveTextToClipboard(
                         AccountPrivateKeyActivity.this, privateKeyText.getText().toString()));
 
+        LinearLayout bannerLayout = findViewById(R.id.wallet_backup_banner);
+        bannerLayout.setVisibility(View.VISIBLE);
+
+        TextView warningText = findViewById(R.id.warning_text);
+        warningText.setText(getResources().getString(R.string.private_key_warning_text));
+
+        ImageView bannerBtn = findViewById(R.id.backup_banner_close);
+        bannerBtn.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                bannerLayout.setVisibility(View.GONE);
+            }
+        });
+
+        Button showPrivateKeyBtn = findViewById(R.id.btn_show_private_key);
+        showPrivateKeyBtn.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                if (!mIsPrivateKeyShown) {
+                    privateKeyText.setTransformationMethod(
+                            HideReturnsTransformationMethod.getInstance());
+                    showPrivateKeyBtn.setText(getResources().getString(R.string.hide_private_key));
+                } else {
+                    privateKeyText.setTransformationMethod(
+                            PasswordTransformationMethod.getInstance());
+                    showPrivateKeyBtn.setText(getResources().getString(R.string.show_private_key));
+                }
+                mIsPrivateKeyShown = !mIsPrivateKeyShown;
+            }
+        });
+
+        InitKeyringController();
         if (mKeyringController != null)
             mKeyringController.getPrivateKeyForDefaultKeyringAccount(
                     mAddress, (result, privateKey) -> {
@@ -55,11 +92,6 @@ public class AccountPrivateKeyActivity
                         }
                     });
 
-        Button showPrivateKeyBtn = findViewById(R.id.btn_show_private_key);
-        showPrivateKeyBtn.setOnClickListener(v
-                -> privateKeyText.setTransformationMethod(
-                        HideReturnsTransformationMethod.getInstance()));
-
         onInitialLayoutInflationComplete();
     }
 

android/java/res/layout/activity_account_private_key.xml

@@ -20,6 +20,8 @@
             android:layout_marginBottom="24dp"
             android:gravity="center_vertical" />
 
+        <include layout="@layout/wallet_backup_banner"/>
+
         <LinearLayout
             android:layout_width="match_parent"
             android:layout_height="wrap_content"

android/java/res/layout/activity_add_account.xml

@@ -141,7 +141,7 @@
                 android:paddingBottom="10dp"
                 android:textCursorDrawable="@null"
                 android:textSize="14sp"
-                android:inputType="text"
+                android:inputType="textPassword"
                 android:textColor="@color/wallet_text_color"
                 android:textColorHint="@color/wallet_edittext_outline_color" />
 

android/java/res/layout/wallet_backup_banner.xml

@@ -25,6 +25,7 @@
             tools:ignore="UseCompoundDrawables">
 
             <TextView
+                android:id="@+id/warning_text"
                 android:layout_weight="1"
                 android:layout_width="0dp"
                 android:layout_height="wrap_content"