From b72fd06c1e378ca01c1cccd83ed0c7ae5297b8f4 Mon Sep 17 00:00:00 2001 From: Soren Stoutner Date: Wed, 16 Dec 2015 22:36:17 -0700 Subject: [PATCH] Create an "Add to Home Screen" AlertDialog. --- .idea/dictionaries/soren.xml | 1 + app/src/main/AndroidManifest.xml | 6 +- .../CreateHomeScreenShortcut.java | 104 ++++++++++++++++++ .../com/stoutner/privacybrowser/Webview.java | 60 ++++++++-- app/src/main/res/layout/app_bar.xml | 7 +- .../create_home_screen_shortcut_dialog.xml | 22 ++++ app/src/main/res/menu/menu_webview.xml | 14 ++- app/src/main/res/values/strings.xml | 12 +- 8 files changed, 203 insertions(+), 23 deletions(-) create mode 100644 app/src/main/java/com/stoutner/privacybrowser/CreateHomeScreenShortcut.java create mode 100644 app/src/main/res/layout/create_home_screen_shortcut_dialog.xml diff --git a/.idea/dictionaries/soren.xml b/.idea/dictionaries/soren.xml index a29dfbc4..1f8fe134 100644 --- a/.idea/dictionaries/soren.xml +++ b/.idea/dictionaries/soren.xml @@ -4,6 +4,7 @@ duckduckgo rehide rehides + schortcut webview diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml index 1f1aed55..85d0b273 100644 --- a/app/src/main/AndroidManifest.xml +++ b/app/src/main/AndroidManifest.xml @@ -4,6 +4,9 @@ + + + + android:label="@string/privacy_browser" > diff --git a/app/src/main/java/com/stoutner/privacybrowser/CreateHomeScreenShortcut.java b/app/src/main/java/com/stoutner/privacybrowser/CreateHomeScreenShortcut.java new file mode 100644 index 00000000..2349fcdd --- /dev/null +++ b/app/src/main/java/com/stoutner/privacybrowser/CreateHomeScreenShortcut.java @@ -0,0 +1,104 @@ +/** + * Copyright Soren Stoutner 2015. + */ + +package com.stoutner.privacybrowser; + +import android.app.Activity; +import android.app.Dialog; +import android.content.DialogInterface; +import android.graphics.drawable.BitmapDrawable; +import android.graphics.drawable.Drawable; +import android.os.Bundle; +import android.support.annotation.NonNull; +import android.support.v4.app.DialogFragment; +import android.support.v7.app.AlertDialog; +import android.support.v7.app.AppCompatDialogFragment; +import android.view.KeyEvent; +import android.view.LayoutInflater; +import android.view.View; +import android.view.WindowManager; +import android.widget.EditText; + +public class CreateHomeScreenShortcut extends AppCompatDialogFragment { + // The public interface is used to send information back to the activity that called CreateHomeScreenShortcut. + public interface CreateHomeScreenSchortcutListener { + void onCreateHomeScreenShortcutCancel(DialogFragment dialog); + + void onCreateHomeScreenShortcutCreate(DialogFragment dialog); + } + + CreateHomeScreenSchortcutListener buttonListener; + + // Check to make sure that the activity that called CreateHomeScreenShortcut implements both listeners. + public void onAttach(Activity activity) { + super.onAttach(activity); + try { + buttonListener = (CreateHomeScreenSchortcutListener) activity; + } catch (ClassCastException e) { + throw new ClassCastException(activity.toString() + " must implement CreateHomeScreenShortcutListener."); + } + } + + // onCreateDialog requires @NonNull. + @Override + @NonNull + public Dialog onCreateDialog(Bundle savedInstanceState) { + AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(getActivity()); + LayoutInflater customDialogInflater = getActivity().getLayoutInflater(); + + // Create a drawable version of the favorite icon. + Drawable favoriteIconDrawable = new BitmapDrawable(getResources(), Webview.favoriteIcon); + + // Setup dialogBuilder. + alertDialogBuilder.setTitle(R.string.shortcut_name); + alertDialogBuilder.setIcon(favoriteIconDrawable); + alertDialogBuilder.setView(customDialogInflater.inflate(R.layout.create_home_screen_shortcut_dialog, null)); + alertDialogBuilder.setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() { + @Override + public void onClick(DialogInterface dialog, int which) { + buttonListener.onCreateHomeScreenShortcutCancel(CreateHomeScreenShortcut.this); + } + }); + alertDialogBuilder.setPositiveButton(R.string.create, new DialogInterface.OnClickListener() { + @Override + public void onClick(DialogInterface dialog, int which) { + buttonListener.onCreateHomeScreenShortcutCreate(CreateHomeScreenShortcut.this); + } + }); + + // Assign the resulting built dialog to an AlertDialog. + final AlertDialog alertDialog = alertDialogBuilder.create(); + + // Show the keyboard when the dialog is displayed on the screen. + alertDialog.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE); + + // We need to show alertDialog before we can setOnKeyListener below. + alertDialog.show(); + + EditText shortcutNameEditText = (EditText) alertDialog.findViewById(R.id.shortcutNameEditText); + + // Allow the "enter" key on the keyboard to create the shortcut. + shortcutNameEditText.setOnKeyListener(new View.OnKeyListener() { + public boolean onKey(View v, int keyCode, KeyEvent event) { + // If the event is a key-down event on the "enter" button, select the PositiveButton "Create". + if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) { + // Trigger the create listener. + buttonListener.onCreateHomeScreenShortcutCreate(CreateHomeScreenShortcut.this); + + // Manually dismiss alertDialog. + alertDialog.dismiss(); + + // Consume the event. + return true; + } else { + // If any other key was pressed, do not consume the event. + return false; + } + } + }); + + // onCreateDialog requires the return of an AlertDialog. + return alertDialog; + } +} \ No newline at end of file diff --git a/app/src/main/java/com/stoutner/privacybrowser/Webview.java b/app/src/main/java/com/stoutner/privacybrowser/Webview.java index 5f1e8723..9c51b446 100644 --- a/app/src/main/java/com/stoutner/privacybrowser/Webview.java +++ b/app/src/main/java/com/stoutner/privacybrowser/Webview.java @@ -12,8 +12,10 @@ import android.graphics.Bitmap; import android.net.Uri; import android.os.Build; import android.os.Bundle; +import android.support.v4.app.DialogFragment; import android.support.v7.app.ActionBar; import android.support.v7.app.AppCompatActivity; +import android.support.v7.app.AppCompatDialogFragment; import android.util.Patterns; import android.view.KeyEvent; import android.view.Menu; @@ -30,14 +32,15 @@ import android.widget.EditText; import android.widget.FrameLayout; import android.widget.ImageView; import android.widget.ProgressBar; -import android.widget.RelativeLayout; import android.widget.Toast; import java.io.UnsupportedEncodingException; import java.net.MalformedURLException; import java.net.URL; import java.net.URLEncoder; -public class Webview extends AppCompatActivity { +public class Webview extends AppCompatActivity implements CreateHomeScreenShortcut.CreateHomeScreenSchortcutListener { + // favoriteIcon is public static so it can be accessed from CreateHomeScreenShortcut. + public static Bitmap favoriteIcon; private String formattedUrlString; private String homepage = "https://www.duckduckgo.com/"; @@ -52,7 +55,6 @@ public class Webview extends AppCompatActivity { final WebView mainWebView = (WebView) findViewById(R.id.mainWebView); final FrameLayout fullScreenVideoFrameLayout = (FrameLayout) findViewById(R.id.fullScreenVideoFrameLayout); - final RelativeLayout rootRelativeLayout = (RelativeLayout) findViewById(R.id.rootRelativeLayout); final Activity mainWebViewActivity = this; final ActionBar actionBar = getSupportActionBar(); @@ -69,8 +71,7 @@ public class Webview extends AppCompatActivity { urlTextBox.setOnKeyListener(new View.OnKeyListener() { public boolean onKey(View v, int keyCode, KeyEvent event) { // If the event is a key-down event on the "enter" button, load the URL. - if ((event.getAction() == KeyEvent.ACTION_DOWN) && - (keyCode == KeyEvent.KEYCODE_ENTER)) { + if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) { // Load the URL into the mainWebView and consume the event. try { loadUrlFromTextBox(); @@ -79,9 +80,10 @@ public class Webview extends AppCompatActivity { } // If the enter key was pressed, consume the event. return true; + } else { + // If any other key was pressed, do not consume the event. + return false; } - // If any other key was pressed, do not consume the event. - return false; } }); } @@ -138,10 +140,13 @@ public class Webview extends AppCompatActivity { // Set the favorite icon when it changes. @Override public void onReceivedIcon(WebView view, Bitmap icon) { - // Make sure that actionBar is not null. + // Save a copy of the favorite icon for use if a shortcut is added to the home screen. + favoriteIcon = icon; + + // Place the favorite icon in the actionBar if it is not null. if (actionBar != null) { - ImageView favoriteIcon = (ImageView) actionBar.getCustomView().findViewById(R.id.favoriteIcon); - favoriteIcon.setImageBitmap(Bitmap.createScaledBitmap(icon, 64, 64, true)); + ImageView imageViewFavoriteIcon = (ImageView) actionBar.getCustomView().findViewById(R.id.favoriteIcon); + imageViewFavoriteIcon.setImageBitmap(Bitmap.createScaledBitmap(icon, 64, 64, true)); } } @@ -307,6 +312,14 @@ public class Webview extends AppCompatActivity { } break; + case R.id.addToHomescreen: + // Show the CreateHomeScreenShortcut AlertDialog and name this instance createShortcut. + AppCompatDialogFragment shortcutDialog = new CreateHomeScreenShortcut(); + shortcutDialog.show(getSupportFragmentManager(), "createShortcut"); + + //Everything else will be handled by CreateHomeScreenShortcut and the associated listeners below. + break; + case R.id.downloads: // Launch the system Download Manager. Intent downloadManangerIntent = new Intent(DownloadManager.ACTION_VIEW_DOWNLOADS); @@ -315,11 +328,36 @@ public class Webview extends AppCompatActivity { downloadManangerIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); startActivity(downloadManangerIntent); + break; } return super.onOptionsItemSelected(menuItem); } + @Override + public void onCreateHomeScreenShortcutCancel(DialogFragment dialog) { + // Do nothing because the user selected "Cancel". + } + + @Override + public void onCreateHomeScreenShortcutCreate(DialogFragment dialog) { + // Get shortcutNameEditText from the alert dialog. + EditText shortcutNameEditText = (EditText) dialog.getDialog().findViewById(R.id.shortcutNameEditText); + + // Create the bookmark shortcut based on formattedUrlString. + Intent bookmarkShortcut = new Intent(); + bookmarkShortcut.setAction(Intent.ACTION_VIEW); + bookmarkShortcut.setData(Uri.parse(formattedUrlString)); + + // Place the bookmark shortcut on the home screen. + Intent placeBookmarkShortcut = new Intent(); + placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.INTENT", bookmarkShortcut); + placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.NAME", shortcutNameEditText.getText().toString()); + placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.ICON", favoriteIcon); + placeBookmarkShortcut.setAction("com.android.launcher.action.INSTALL_SHORTCUT"); + sendBroadcast(placeBookmarkShortcut); + } + // Override onBackPressed so that if mainWebView can go back it does when the system back button is pressed. @Override public void onBackPressed() { @@ -382,4 +420,4 @@ public class Webview extends AppCompatActivity { inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0); } } -} +} \ No newline at end of file diff --git a/app/src/main/res/layout/app_bar.xml b/app/src/main/res/layout/app_bar.xml index a66e99f4..0efa7a90 100644 --- a/app/src/main/res/layout/app_bar.xml +++ b/app/src/main/res/layout/app_bar.xml @@ -22,15 +22,16 @@ android:layout_gravity="center" android:contentDescription="@string/favorite_icon"/> - + + + android:imeOptions="actionGo" + android:inputType="textUri" /> diff --git a/app/src/main/res/layout/create_home_screen_shortcut_dialog.xml b/app/src/main/res/layout/create_home_screen_shortcut_dialog.xml new file mode 100644 index 00000000..e16936cf --- /dev/null +++ b/app/src/main/res/layout/create_home_screen_shortcut_dialog.xml @@ -0,0 +1,22 @@ + + + + + + + + + \ No newline at end of file diff --git a/app/src/main/res/menu/menu_webview.xml b/app/src/main/res/menu/menu_webview.xml index a1cf47d9..bc21d686 100644 --- a/app/src/main/res/menu/menu_webview.xml +++ b/app/src/main/res/menu/menu_webview.xml @@ -34,7 +34,7 @@ @@ -42,20 +42,26 @@ + + diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml index 1afee767..6b4b6ced 100644 --- a/app/src/main/res/values/strings.xml +++ b/app/src/main/res/values/strings.xml @@ -10,8 +10,14 @@ Refresh Back Forward - Copy URL - Paste URL - Share URL + Copy URL + Paste URL + Share URL + Add to Home Screen Downloads + + + Shortcut name + Cancel + Create -- 2.45.2