From b14e4b9a7940adb4580c0f3c7a0edcb339c73ae8 Mon Sep 17 00:00:00 2001 From: cyBerta Date: Fri, 2 Mar 2018 23:09:08 +0100 Subject: #8808 adds an optional dialog that shows instruction hints for always-on vpn --- .../bitmaskclient/fragments/AlwaysOnDialog.java | 8 +- .../se/leap/bitmaskclient/views/IconTextView.java | 96 ++++++++++++++++++++++ 2 files changed, 102 insertions(+), 2 deletions(-) create mode 100644 app/src/main/java/se/leap/bitmaskclient/views/IconTextView.java (limited to 'app/src/main/java') diff --git a/app/src/main/java/se/leap/bitmaskclient/fragments/AlwaysOnDialog.java b/app/src/main/java/se/leap/bitmaskclient/fragments/AlwaysOnDialog.java index 80510b86..4e8e3d79 100644 --- a/app/src/main/java/se/leap/bitmaskclient/fragments/AlwaysOnDialog.java +++ b/app/src/main/java/se/leap/bitmaskclient/fragments/AlwaysOnDialog.java @@ -15,6 +15,7 @@ import android.widget.CheckBox; import butterknife.ButterKnife; import butterknife.InjectView; import se.leap.bitmaskclient.R; +import se.leap.bitmaskclient.views.IconTextView; import static se.leap.bitmaskclient.ConfigHelper.saveShowAlwaysOnDialog; @@ -31,6 +32,9 @@ public class AlwaysOnDialog extends AppCompatDialogFragment { @InjectView(R.id.do_not_show_again) CheckBox doNotShowAgainCheckBox; + @InjectView(R.id.user_message) + IconTextView userMessage; + @Override public void onCreate(@Nullable Bundle savedInstanceState) { super.onCreate(savedInstanceState); @@ -44,8 +48,9 @@ public class AlwaysOnDialog extends AppCompatDialogFragment { View view = inflater.inflate(R.layout.checkbox_confirm_dialog, null); ButterKnife.inject(this, view); + userMessage.setIcon(R.drawable.ic_settings); + userMessage.setText(getString(R.string.always_on_vpn_user_message)); builder.setView(view) - .setMessage(R.string.always_on_vpn_user_message) .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { if (doNotShowAgainCheckBox.isChecked()) { @@ -61,7 +66,6 @@ public class AlwaysOnDialog extends AppCompatDialogFragment { dialog.cancel(); } }); - // Create the AlertDialog object and return it return builder.create(); } } diff --git a/app/src/main/java/se/leap/bitmaskclient/views/IconTextView.java b/app/src/main/java/se/leap/bitmaskclient/views/IconTextView.java new file mode 100644 index 00000000..0af33c68 --- /dev/null +++ b/app/src/main/java/se/leap/bitmaskclient/views/IconTextView.java @@ -0,0 +1,96 @@ +package se.leap.bitmaskclient.views; + + +import android.content.Context; +import android.graphics.PorterDuff; +import android.graphics.drawable.Drawable; +import android.support.v7.widget.AppCompatTextView; +import android.text.Spannable; +import android.text.style.ImageSpan; +import android.util.AttributeSet; + +import java.util.regex.Matcher; +import java.util.regex.Pattern; + +public class IconTextView extends AppCompatTextView { + + private int imageResource = 0; + /** + * Regex pattern that looks for embedded images of the format: [img src=imageName/] + */ + public static final String PATTERN = "\\Q[img src]\\E"; + + public IconTextView(Context context, AttributeSet attrs, int defStyle) { + super(context, attrs, defStyle); + } + + public IconTextView(Context context, AttributeSet attrs) { + super(context, attrs); + } + + public IconTextView(Context context) { + super(context); + } + + @Override + public void setText(CharSequence text, BufferType type) { + final Spannable spannable = getTextWithImages(getContext(), text, getLineHeight(), getCurrentTextColor()); + super.setText(spannable, BufferType.SPANNABLE); + } + + public void setIcon(int imageResource) { + this.imageResource = imageResource; + } + + private Spannable getTextWithImages(Context context, CharSequence text, int lineHeight, int colour) { + final Spannable spannable = Spannable.Factory.getInstance().newSpannable(text); + addImages(context, spannable, lineHeight, colour); + return spannable; + } + + private void addImages(Context context, Spannable spannable, int lineHeight, int colour) { + final Pattern refImg = Pattern.compile(PATTERN); + + final Matcher matcher = refImg.matcher(spannable); + while (matcher.find()) { + boolean set = true; + for (ImageSpan span : spannable.getSpans(matcher.start(), matcher.end(), ImageSpan.class)) { + if (spannable.getSpanStart(span) >= matcher.start() + && spannable.getSpanEnd(span) <= matcher.end()) { + spannable.removeSpan(span); + } else { + set = false; + break; + } + } + if (set && imageResource != 0) { + spannable.setSpan(makeImageSpan(context, imageResource, lineHeight, colour), + matcher.start(), + matcher.end(), + Spannable.SPAN_EXCLUSIVE_EXCLUSIVE + ); + } + } + } + + /** + * Create an ImageSpan for the given icon drawable. This also sets the image size and colour. + * Works best with a white, square icon because of the colouring and resizing. + * + * @param context The Android Context. + * @param drawableResId A drawable resource Id. + * @param size The desired size (i.e. width and height) of the image icon in pixels. + * Use the lineHeight of the TextView to make the image inline with the + * surrounding text. + * @param colour The colour (careful: NOT a resource Id) to apply to the image. + * @return An ImageSpan, aligned with the bottom of the text. + */ + private ImageSpan makeImageSpan(Context context, int drawableResId, int size, int colour) { + final Drawable drawable = context.getResources().getDrawable(drawableResId); + drawable.mutate(); + drawable.setColorFilter(colour, PorterDuff.Mode.MULTIPLY); + drawable.setBounds(0, 0, size, size); + return new ImageSpan(drawable, ImageSpan.ALIGN_BOTTOM); + } + +} \ No newline at end of file -- cgit v1.2.3