diff --git a/app/build.gradle b/app/build.gradle
index c1e0787a..913d8f47 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -61,9 +61,6 @@ dependencies {
//noinspection GradleDependency
implementation 'com.squareup.picasso:picasso:2.8'
implementation 'com.github.QuadFlask:colorpicker:0.0.15'
- implementation 'com.github.nuclearfog:ZoomView:1.0.4'
- implementation 'com.github.nuclearfog:Tagger:2.4'
- implementation 'com.github.nuclearfog:LinkAndScrollMovement:1.4.1'
implementation 'com.github.kyleduo:SwitchButton:2.0.3-SNAPSHOT'
implementation 'com.github.UnifiedPush:android-connector:2.1.1'
implementation 'com.google.android.material:material:1.9.0'
diff --git a/app/src/main/assets/licenses.html b/app/src/main/assets/licenses.html
index d35ed425..bcf59354 100644
--- a/app/src/main/assets/licenses.html
+++ b/app/src/main/assets/licenses.html
@@ -10,7 +10,7 @@
Notices for libraries:
- - Shitter, ZoomView, Tagger, LinkAndScrollMovement
+ - Shitter
Copyright 2018 nuclearfog
diff --git a/app/src/main/java/org/nuclearfog/twidda/backend/utils/LinkAndScrollMovement.java b/app/src/main/java/org/nuclearfog/twidda/backend/utils/LinkAndScrollMovement.java
new file mode 100644
index 00000000..31157b14
--- /dev/null
+++ b/app/src/main/java/org/nuclearfog/twidda/backend/utils/LinkAndScrollMovement.java
@@ -0,0 +1,94 @@
+package org.nuclearfog.twidda.backend.utils;
+
+import android.text.Layout;
+import android.text.Spannable;
+import android.text.method.ScrollingMovementMethod;
+import android.text.style.ClickableSpan;
+import android.view.MotionEvent;
+import android.view.ViewParent;
+import android.widget.TextView;
+
+/**
+ * @author nuclearfog
+ */
+public class LinkAndScrollMovement extends ScrollingMovementMethod {
+
+ private static final LinkAndScrollMovement instance = new LinkAndScrollMovement();
+
+ /**
+ * setup the x axis threshold to disable click events.
+ */
+ private static final int THRESHOLD_WIDTH_DIVIDER = 6;
+
+ /**
+ * setup the y axis threshold to disable click events.
+ */
+ private static final int THRESHOLD_HEIGHT_DIVIDER = 3;
+
+ private int xScroll = 0;
+ private int yScroll = 0;
+
+ /**
+ */
+ private LinkAndScrollMovement() {
+ super();
+ }
+
+ @Override
+ public boolean onTouchEvent(TextView widget, Spannable buffer, MotionEvent event) {
+ switch(event.getAction()) {
+ case MotionEvent.ACTION_DOWN:
+ lockParentScrolling(widget, true);
+ xScroll = widget.getScrollX();
+ yScroll = widget.getScrollY();
+ break;
+
+ case MotionEvent.ACTION_UP:
+ lockParentScrolling(widget, false);
+ int deltaX = Math.abs(widget.getScrollX() - xScroll);
+ int deltaY = Math.abs(widget.getScrollY() - yScroll);
+ if (deltaY <= widget.getTextSize() / THRESHOLD_HEIGHT_DIVIDER && deltaX <= widget.getWidth() / THRESHOLD_WIDTH_DIVIDER) {
+ int x = (int) event.getX();
+ int y = (int) event.getY();
+ x -= widget.getTotalPaddingLeft();
+ y -= widget.getTotalPaddingTop();
+ x += widget.getScrollX();
+ y += widget.getScrollY();
+ Layout layout = widget.getLayout();
+ int line = layout.getLineForVertical(y);
+ int off = layout.getOffsetForHorizontal(line, x);
+ ClickableSpan[] link = buffer.getSpans(off, off, ClickableSpan.class);
+ if (link.length > 0) {
+ link[0].onClick(widget);
+ return true;
+ }
+ }
+ break;
+ }
+ return super.onTouchEvent(widget, buffer, event);
+ }
+
+ /**
+ * lock parent view scrolling
+ *
+ * @param widget interacting TextView
+ * @param lock true if parent views scrolling should be locked
+ */
+ private void lockParentScrolling(TextView widget, boolean lock) {
+ ViewParent parent = widget.getParent();
+ int lineCount = widget.getLineCount();
+ int maxLines = widget.getMaxLines();
+ if ( parent != null && maxLines > 0 && lineCount > maxLines ) {
+ parent.requestDisallowInterceptTouchEvent(lock);
+ }
+ }
+
+ /**
+ * Get singleton instance of the movement method
+ *
+ * @return LinkAndScrollingMovementMethod object
+ */
+ public static LinkAndScrollMovement getInstance() {
+ return instance;
+ }
+}
\ No newline at end of file
diff --git a/app/src/main/java/org/nuclearfog/twidda/backend/utils/Tagger.java b/app/src/main/java/org/nuclearfog/twidda/backend/utils/Tagger.java
new file mode 100644
index 00000000..5a2df8d5
--- /dev/null
+++ b/app/src/main/java/org/nuclearfog/twidda/backend/utils/Tagger.java
@@ -0,0 +1,212 @@
+package org.nuclearfog.twidda.backend.utils;
+
+import android.text.Spannable;
+import android.text.SpannableStringBuilder;
+import android.text.TextPaint;
+import android.text.style.ClickableSpan;
+import android.text.style.ForegroundColorSpan;
+import android.util.Patterns;
+import android.view.View;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
+import java.util.Stack;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * @author nuclearfog
+ */
+public class Tagger {
+
+ /**
+ * regex patterns used to get @usernames and #hashtags
+ */
+ private static final Pattern[] PATTERNS = {
+ Pattern.compile("@[^#\"“”‘’«»„＂⹂‟`*'~,;‚‛:<>|^!/§%&()=?´°{}+\\-\\[\\]\\s]+"),
+ Pattern.compile("#[^@#\"“”‘’«»„＂⹂‟`*'~,;‚.‛:<>|^!/§%&()=?´°{}+\\-\\[\\]\\s]+")
+ };
+
+ /**
+ * default span type
+ */
+ private static final int SPAN_TYPE = Spannable.SPAN_EXCLUSIVE_EXCLUSIVE;
+
+ /**
+ * maximum link url length before truncating
+ */
+ private static final int MAX_LINK_LENGTH = 30;
+
+ /**
+ * Make a spannable colored String with click listener
+ *
+ * @param text String that should be spannable
+ * @param color Text Color
+ * @param l click listener
+ * @return Spannable String
+ */
+ public static Spannable makeText(@Nullable String text, final int color, @NonNull final OnTagClickListener l) {
+ SpannableStringBuilder spannable = new SpannableStringBuilder();
+ /// Add '@' & '#' highlighting + listener
+ if (text != null && text.length() > 0) {
+ spannable.append(text);
+ for (Pattern pattern : PATTERNS) {
+ Matcher m = pattern.matcher(spannable);
+ while (m.find()) {
+ int end = m.end();
+ int start = m.start();
+ final String tag = spannable.subSequence(start, end).toString();
+ spannable.setSpan(new ClickableSpan() {
+ @Override
+ public void onClick(@NonNull View widget) {
+ l.onTagClick(tag);
+ }
+
+ @Override
+ public void updateDrawState(@NonNull TextPaint ds) {
+ ds.setColor(color);
+ ds.setUnderlineText(false);
+ }
+ }, start, end, SPAN_TYPE);
+ }
+ }
+ }
+ return spannable;
+ }
+
+ /**
+ * Make a spannable colored String with click listener
+ * http(s) links included
+ *
+ * @param text String that should be spannable
+ * @param color Text Color
+ * @param l click listener
+ * @return Spannable String
+ */
+ public static Spannable makeTextWithLinks(@Nullable String text, final int color, @NonNull final OnTagClickListener l) {
+ SpannableStringBuilder spannable = new SpannableStringBuilder(makeText(text, color, l));
+ // Add link highlight + listener
+ if (spannable.length() > 0) {
+ Stack indexStack = new Stack<>();
+ Matcher m = Patterns.WEB_URL.matcher(spannable.toString());
+ while (m.find()) {
+ indexStack.push(m.start());
+ indexStack.push(m.end());
+ }
+ while (!indexStack.empty()) {
+ int end = indexStack.pop();
+ int start = indexStack.pop();
+ final String link = spannable.subSequence(start, end).toString();
+ if (link.startsWith("https://")) {
+ spannable = spannable.delete(start, start + 8);
+ end -= 8;
+ } else if (link.startsWith("http://")) {
+ spannable = spannable.delete(start, start + 7);
+ end -= 7;
+ }
+ if (start + MAX_LINK_LENGTH < end) {
+ spannable.replace(start + MAX_LINK_LENGTH, end, "...");
+ end = start + MAX_LINK_LENGTH + 3;
+ }
+ spannable.setSpan(new ClickableSpan() {
+ @Override
+ public void onClick(@NonNull View widget) {
+ l.onLinkClick(link);
+ }
+
+ @Override
+ public void updateDrawState(@NonNull TextPaint ds) {
+ ds.setColor(color);
+ ds.setUnderlineText(false);
+ }
+ }, start, end, SPAN_TYPE);
+ }
+ }
+ return spannable;
+ }
+
+ /**
+ * Make a spannable String without listener
+ *
+ * @param text String that should be spannable
+ * @param color Text Color
+ * @return Spannable String
+ */
+ public static Spannable makeText(@Nullable String text, int color) {
+ SpannableStringBuilder spannable = new SpannableStringBuilder();
+ // Add '@' & '#' highlighting
+ if (text != null && text.length() > 0) {
+ spannable.append(text);
+ for (Pattern pattern : PATTERNS) {
+ Matcher m = pattern.matcher(spannable.toString());
+ while (m.find()) {
+ int end = m.end();
+ int start = m.start();
+ ForegroundColorSpan colorSpan = new ForegroundColorSpan(color);
+ spannable.setSpan(colorSpan, start, end, SPAN_TYPE);
+ }
+ }
+ }
+ return spannable;
+ }
+
+ /**
+ * Make a spannable String without listener
+ * http(s) links included will be shorted
+ *
+ * @param text String that should be spannable
+ * @param color Text Color
+ * @return Spannable String
+ */
+ public static Spannable makeTextWithLinks(@Nullable String text, int color) {
+ SpannableStringBuilder spannable = new SpannableStringBuilder(makeText(text, color));
+ // Add link highlighting
+ if (spannable.length() > 0) {
+ Stack indexStack = new Stack<>();
+ Matcher m = Patterns.WEB_URL.matcher(spannable.toString());
+ while (m.find()) {
+ indexStack.push(m.start());
+ indexStack.push(m.end());
+ }
+ while (!indexStack.empty()) {
+ int end = indexStack.pop();
+ int start = indexStack.pop();
+ final String link = spannable.subSequence(start, end).toString();
+ if (link.startsWith("https://")) {
+ spannable = spannable.delete(start, start + 8);
+ end -= 8;
+ } else if (link.startsWith("http://")) {
+ spannable = spannable.delete(start, start + 7);
+ end -= 7;
+ }
+ if (start + MAX_LINK_LENGTH < end) {
+ spannable.replace(start + MAX_LINK_LENGTH, end, "...");
+ end = start + MAX_LINK_LENGTH + 3;
+ }
+ ForegroundColorSpan colorSpan = new ForegroundColorSpan(color);
+ spannable.setSpan(colorSpan, start, end, SPAN_TYPE);
+ }
+ }
+ return spannable;
+ }
+
+ /**
+ * Listener for clickable spans
+ */
+ public interface OnTagClickListener {
+ /**
+ * Called when user clicks on a tag
+ *
+ * @param tag Tag string (starting with '@', '#')
+ */
+ void onTagClick(String tag);
+
+ /**
+ * Called when user clicks on link
+ *
+ * @param link http(s) link
+ */
+ void onLinkClick(String link);
+ }
+}
diff --git a/app/src/main/java/org/nuclearfog/twidda/ui/activities/ImageViewer.java b/app/src/main/java/org/nuclearfog/twidda/ui/activities/ImageViewer.java
index d4628720..6682baf9 100644
--- a/app/src/main/java/org/nuclearfog/twidda/ui/activities/ImageViewer.java
+++ b/app/src/main/java/org/nuclearfog/twidda/ui/activities/ImageViewer.java
@@ -30,7 +30,7 @@ import org.nuclearfog.twidda.ui.dialogs.DescriptionDialog.DescriptionCallback;
import org.nuclearfog.twidda.ui.dialogs.MetaDialog;
import org.nuclearfog.twidda.ui.views.AnimatedImageView;
import org.nuclearfog.twidda.ui.views.DescriptionView;
-import org.nuclearfog.zoomview.ZoomView;
+import org.nuclearfog.twidda.ui.views.ZoomView;
import java.io.File;
import java.io.Serializable;
diff --git a/app/src/main/java/org/nuclearfog/twidda/ui/activities/ProfileActivity.java b/app/src/main/java/org/nuclearfog/twidda/ui/activities/ProfileActivity.java
index 773dfc7a..29aa9f11 100644
--- a/app/src/main/java/org/nuclearfog/twidda/ui/activities/ProfileActivity.java
+++ b/app/src/main/java/org/nuclearfog/twidda/ui/activities/ProfileActivity.java
@@ -31,9 +31,6 @@ import com.squareup.picasso.Callback;
import com.squareup.picasso.Picasso;
import com.squareup.picasso.Transformation;
-import org.nuclearfog.tag.Tagger;
-import org.nuclearfog.tag.Tagger.OnTagClickListener;
-import org.nuclearfog.textviewtool.LinkAndScrollMovement;
import org.nuclearfog.twidda.R;
import org.nuclearfog.twidda.backend.api.ConnectionException;
import org.nuclearfog.twidda.backend.async.AsyncExecutor.AsyncCallback;
@@ -45,8 +42,11 @@ import org.nuclearfog.twidda.backend.image.PicassoBuilder;
import org.nuclearfog.twidda.backend.utils.AppStyles;
import org.nuclearfog.twidda.backend.utils.EmojiUtils;
import org.nuclearfog.twidda.backend.utils.ErrorUtils;
+import org.nuclearfog.twidda.backend.utils.LinkAndScrollMovement;
import org.nuclearfog.twidda.backend.utils.LinkUtils;
import org.nuclearfog.twidda.backend.utils.StringUtils;
+import org.nuclearfog.twidda.backend.utils.Tagger;
+import org.nuclearfog.twidda.backend.utils.Tagger.OnTagClickListener;
import org.nuclearfog.twidda.backend.utils.ToolbarUpdater;
import org.nuclearfog.twidda.config.GlobalSettings;
import org.nuclearfog.twidda.model.Relation;
diff --git a/app/src/main/java/org/nuclearfog/twidda/ui/activities/StatusActivity.java b/app/src/main/java/org/nuclearfog/twidda/ui/activities/StatusActivity.java
index 62879397..bc66991e 100644
--- a/app/src/main/java/org/nuclearfog/twidda/ui/activities/StatusActivity.java
+++ b/app/src/main/java/org/nuclearfog/twidda/ui/activities/StatusActivity.java
@@ -38,9 +38,6 @@ import androidx.recyclerview.widget.RecyclerView;
import com.squareup.picasso.Picasso;
import com.squareup.picasso.Transformation;
-import org.nuclearfog.tag.Tagger;
-import org.nuclearfog.tag.Tagger.OnTagClickListener;
-import org.nuclearfog.textviewtool.LinkAndScrollMovement;
import org.nuclearfog.twidda.R;
import org.nuclearfog.twidda.backend.api.ConnectionException;
import org.nuclearfog.twidda.backend.async.AsyncExecutor.AsyncCallback;
@@ -53,8 +50,11 @@ import org.nuclearfog.twidda.backend.image.PicassoBuilder;
import org.nuclearfog.twidda.backend.utils.AppStyles;
import org.nuclearfog.twidda.backend.utils.EmojiUtils;
import org.nuclearfog.twidda.backend.utils.ErrorUtils;
+import org.nuclearfog.twidda.backend.utils.LinkAndScrollMovement;
import org.nuclearfog.twidda.backend.utils.LinkUtils;
import org.nuclearfog.twidda.backend.utils.StringUtils;
+import org.nuclearfog.twidda.backend.utils.Tagger;
+import org.nuclearfog.twidda.backend.utils.Tagger.OnTagClickListener;
import org.nuclearfog.twidda.config.GlobalSettings;
import org.nuclearfog.twidda.model.Card;
import org.nuclearfog.twidda.model.Location;
diff --git a/app/src/main/java/org/nuclearfog/twidda/ui/adapter/recyclerview/FieldAdapter.java b/app/src/main/java/org/nuclearfog/twidda/ui/adapter/recyclerview/FieldAdapter.java
index d5e7fed4..dc7ac248 100644
--- a/app/src/main/java/org/nuclearfog/twidda/ui/adapter/recyclerview/FieldAdapter.java
+++ b/app/src/main/java/org/nuclearfog/twidda/ui/adapter/recyclerview/FieldAdapter.java
@@ -5,7 +5,7 @@ import android.view.ViewGroup;
import androidx.annotation.NonNull;
import androidx.recyclerview.widget.RecyclerView.Adapter;
-import org.nuclearfog.tag.Tagger.OnTagClickListener;
+import org.nuclearfog.twidda.backend.utils.Tagger.OnTagClickListener;
import org.nuclearfog.twidda.model.lists.Fields;
import org.nuclearfog.twidda.ui.adapter.recyclerview.holder.FieldHolder;
diff --git a/app/src/main/java/org/nuclearfog/twidda/ui/adapter/recyclerview/holder/EditHistoryHolder.java b/app/src/main/java/org/nuclearfog/twidda/ui/adapter/recyclerview/holder/EditHistoryHolder.java
index cd3e20b1..39ff9f71 100644
--- a/app/src/main/java/org/nuclearfog/twidda/ui/adapter/recyclerview/holder/EditHistoryHolder.java
+++ b/app/src/main/java/org/nuclearfog/twidda/ui/adapter/recyclerview/holder/EditHistoryHolder.java
@@ -20,15 +20,15 @@ import androidx.recyclerview.widget.RecyclerView.ViewHolder;
import com.squareup.picasso.Picasso;
import com.squareup.picasso.Transformation;
-import org.nuclearfog.tag.Tagger;
-import org.nuclearfog.textviewtool.LinkAndScrollMovement;
import org.nuclearfog.twidda.R;
import org.nuclearfog.twidda.backend.async.AsyncExecutor;
import org.nuclearfog.twidda.backend.async.TextEmojiLoader;
import org.nuclearfog.twidda.backend.image.PicassoBuilder;
import org.nuclearfog.twidda.backend.utils.AppStyles;
import org.nuclearfog.twidda.backend.utils.EmojiUtils;
+import org.nuclearfog.twidda.backend.utils.LinkAndScrollMovement;
import org.nuclearfog.twidda.backend.utils.StringUtils;
+import org.nuclearfog.twidda.backend.utils.Tagger;
import org.nuclearfog.twidda.config.GlobalSettings;
import org.nuclearfog.twidda.model.EditedStatus;
import org.nuclearfog.twidda.model.User;
diff --git a/app/src/main/java/org/nuclearfog/twidda/ui/adapter/recyclerview/holder/FieldHolder.java b/app/src/main/java/org/nuclearfog/twidda/ui/adapter/recyclerview/holder/FieldHolder.java
index 3ddc9b35..edf8fb59 100644
--- a/app/src/main/java/org/nuclearfog/twidda/ui/adapter/recyclerview/holder/FieldHolder.java
+++ b/app/src/main/java/org/nuclearfog/twidda/ui/adapter/recyclerview/holder/FieldHolder.java
@@ -10,11 +10,11 @@ import android.widget.TextView;
import androidx.cardview.widget.CardView;
import androidx.recyclerview.widget.RecyclerView.ViewHolder;
-import org.nuclearfog.tag.Tagger;
-import org.nuclearfog.tag.Tagger.OnTagClickListener;
import org.nuclearfog.twidda.R;
import org.nuclearfog.twidda.backend.utils.AppStyles;
import org.nuclearfog.twidda.backend.utils.StringUtils;
+import org.nuclearfog.twidda.backend.utils.Tagger;
+import org.nuclearfog.twidda.backend.utils.Tagger.OnTagClickListener;
import org.nuclearfog.twidda.config.GlobalSettings;
import org.nuclearfog.twidda.model.User.Field;
diff --git a/app/src/main/java/org/nuclearfog/twidda/ui/adapter/recyclerview/holder/ScheduleHolder.java b/app/src/main/java/org/nuclearfog/twidda/ui/adapter/recyclerview/holder/ScheduleHolder.java
index 77069ca6..83a6da27 100644
--- a/app/src/main/java/org/nuclearfog/twidda/ui/adapter/recyclerview/holder/ScheduleHolder.java
+++ b/app/src/main/java/org/nuclearfog/twidda/ui/adapter/recyclerview/holder/ScheduleHolder.java
@@ -12,10 +12,10 @@ import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import androidx.recyclerview.widget.RecyclerView.ViewHolder;
-import org.nuclearfog.tag.Tagger;
-import org.nuclearfog.textviewtool.LinkAndScrollMovement;
import org.nuclearfog.twidda.R;
import org.nuclearfog.twidda.backend.utils.AppStyles;
+import org.nuclearfog.twidda.backend.utils.LinkAndScrollMovement;
+import org.nuclearfog.twidda.backend.utils.Tagger;
import org.nuclearfog.twidda.config.GlobalSettings;
import org.nuclearfog.twidda.model.ScheduledStatus;
import org.nuclearfog.twidda.model.Status;
diff --git a/app/src/main/java/org/nuclearfog/twidda/ui/adapter/recyclerview/holder/StatusHolder.java b/app/src/main/java/org/nuclearfog/twidda/ui/adapter/recyclerview/holder/StatusHolder.java
index a7d29918..5dcaf940 100644
--- a/app/src/main/java/org/nuclearfog/twidda/ui/adapter/recyclerview/holder/StatusHolder.java
+++ b/app/src/main/java/org/nuclearfog/twidda/ui/adapter/recyclerview/holder/StatusHolder.java
@@ -23,7 +23,6 @@ import androidx.recyclerview.widget.RecyclerView.ViewHolder;
import com.squareup.picasso.Picasso;
import com.squareup.picasso.Transformation;
-import org.nuclearfog.tag.Tagger;
import org.nuclearfog.twidda.R;
import org.nuclearfog.twidda.backend.async.AsyncExecutor.AsyncCallback;
import org.nuclearfog.twidda.backend.async.TextEmojiLoader;
@@ -33,6 +32,7 @@ import org.nuclearfog.twidda.backend.image.PicassoBuilder;
import org.nuclearfog.twidda.backend.utils.AppStyles;
import org.nuclearfog.twidda.backend.utils.EmojiUtils;
import org.nuclearfog.twidda.backend.utils.StringUtils;
+import org.nuclearfog.twidda.backend.utils.Tagger;
import org.nuclearfog.twidda.config.GlobalSettings;
import org.nuclearfog.twidda.model.Notification;
import org.nuclearfog.twidda.model.Status;
diff --git a/app/src/main/java/org/nuclearfog/twidda/ui/views/ZoomView.java b/app/src/main/java/org/nuclearfog/twidda/ui/views/ZoomView.java
new file mode 100644
index 00000000..eeca48d2
--- /dev/null
+++ b/app/src/main/java/org/nuclearfog/twidda/ui/views/ZoomView.java
@@ -0,0 +1,219 @@
+package org.nuclearfog.twidda.ui.views;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.graphics.Matrix;
+import android.graphics.PointF;
+import android.graphics.drawable.Drawable;
+import android.util.AttributeSet;
+import android.view.MotionEvent;
+import android.widget.RemoteViews.RemoteView;
+
+import androidx.annotation.Nullable;
+import androidx.appcompat.widget.AppCompatImageView;
+
+import static android.view.MotionEvent.*;
+
+import org.nuclearfog.twidda.R;
+
+/**
+ * Zoomable image view
+ *
+ * @author nuclearfog
+ */
+@RemoteView
+public class ZoomView extends AppCompatImageView {
+
+ // Default values
+ private static final float DEF_MAX_ZOOM_IN = 3.0f;
+ private static final float DEF_MAX_ZOOM_OUT = 0.5f;
+ private static final boolean DEF_ENABLE_MOVE = true;
+ private static final ScaleType DEF_SCALE_TYPE = ScaleType.FIT_CENTER;
+
+ // Layout Attributes
+ private float max_zoom_in = DEF_MAX_ZOOM_IN;
+ private float max_zoom_out = DEF_MAX_ZOOM_OUT;
+ private boolean enableMove = DEF_ENABLE_MOVE;
+ private ScaleType scaleType = DEF_SCALE_TYPE;
+
+ // intern flags
+ private final PointF pos = new PointF(0.0f, 0.0f);
+ private final PointF dist = new PointF(0.0f, 0.0f);
+ private boolean moveLock = false;
+
+ /**
+ *
+ */
+ public ZoomView(Context context) {
+ super(context);
+ }
+
+ /**
+ *
+ */
+ public ZoomView(Context context, @Nullable AttributeSet attrs) {
+ this(context, attrs, 0);
+ }
+
+ /**
+ *
+ */
+ public ZoomView(Context context, @Nullable AttributeSet attrs, int defStyle) {
+ super(context, attrs, defStyle);
+ scaleType = getScaleType();
+ if (attrs != null) {
+ TypedArray attrArray = context.obtainStyledAttributes(attrs, R.styleable.ZoomView);
+ setMaxZoomIn(attrArray.getFloat(R.styleable.ZoomView_max_zoom_in, DEF_MAX_ZOOM_IN));
+ setMaxZoomOut(attrArray.getFloat(R.styleable.ZoomView_max_zoom_out, DEF_MAX_ZOOM_OUT));
+ setMovable(attrArray.getBoolean(R.styleable.ZoomView_enable_move, DEF_ENABLE_MOVE));
+ attrArray.recycle();
+ }
+ }
+
+
+ @Override
+ public boolean performClick() {
+ return super.performClick();
+ }
+
+
+ @Override
+ public boolean onTouchEvent(MotionEvent event) {
+ if (getScaleType() != ScaleType.MATRIX)
+ setScaleType(ScaleType.MATRIX);
+ if (event.getPointerCount() == 1) {
+
+ switch (event.getAction()) {
+ case ACTION_UP:
+ pos.set(event.getX(), event.getY());
+ moveLock = false;
+ break;
+
+ case ACTION_DOWN:
+ pos.set(event.getX(), event.getY());
+ break;
+
+ case ACTION_MOVE:
+ if (moveLock || !enableMove)
+ return super.performClick();
+ float posX = event.getX() - pos.x;
+ float posY = event.getY() - pos.y;
+ pos.set(event.getX(), event.getY());
+ Matrix m = new Matrix(getImageMatrix());
+ m.postTranslate(posX, posY);
+ apply(m);
+ break;
+ }
+ } else if (event.getPointerCount() == 2) {
+ float distX, distY, scale;
+ switch (event.getActionMasked()) {
+ case ACTION_POINTER_UP:
+ case ACTION_POINTER_DOWN:
+ distX = event.getX(0) - event.getX(1);
+ distY = event.getY(0) - event.getY(1);
+ dist.set(distX, distY); // Distance vector
+ moveLock = true;
+ break;
+
+ case ACTION_MOVE:
+ distX = event.getX(0) - event.getX(1);
+ distY = event.getY(0) - event.getY(1);
+ PointF current = new PointF(distX, distY);
+ scale = current.length() / dist.length();
+ Matrix m = new Matrix(getImageMatrix());
+ m.postScale(scale, scale, getWidth() / 2.0f, getHeight() / 2.0f);
+ dist.set(distX, distY);
+ apply(m);
+ break;
+ }
+ }
+ return true;
+ }
+
+ /**
+ * Reset Image position/zoom to default
+ */
+ public void reset() {
+ setScaleType(scaleType);
+ }
+
+ /**
+ * set Image movable
+ *
+ * @param enableMove set image movable
+ */
+ public void setMovable(boolean enableMove) {
+ this.enableMove = enableMove;
+ }
+
+ /**
+ * set maximum zoom in
+ *
+ * @param max_zoom_in maximum zoom value
+ */
+ public void setMaxZoomIn(float max_zoom_in) {
+ if (max_zoom_in < 1.0f)
+ throw new AssertionError("value should be more 1.0!");
+ this.max_zoom_in = max_zoom_in;
+ }
+
+ /**
+ * set maximum zoom in
+ *
+ * @param max_zoom_out maximum zoom value
+ */
+ public void setMaxZoomOut(float max_zoom_out) {
+ if (max_zoom_out > 1.0f)
+ throw new AssertionError("value should be less 1.0!");
+ this.max_zoom_out = max_zoom_out;
+ }
+
+ /**
+ *
+ */
+ private void apply(Matrix m) {
+ Drawable d = getDrawable();
+ if (d == null) return;
+
+ float[] val = new float[9];
+ m.getValues(val);
+ float scale = (val[Matrix.MSCALE_X] + val[Matrix.MSCALE_Y]) / 2; // Scale factor
+ float width = d.getIntrinsicWidth() * scale; // image width
+ float height = d.getIntrinsicHeight() * scale; // image height
+ float leftBorder = val[Matrix.MTRANS_X]; // distance to left border
+ float rightBorder = -(val[Matrix.MTRANS_X] + width - getWidth()); // distance to right border
+ float bottomBorder = val[Matrix.MTRANS_Y]; // distance to bottom border
+ float topBorder = -(val[Matrix.MTRANS_Y] + height - getHeight()); // distance to top border
+
+ if (width > getWidth()) { // is image width bigger than screen width?
+ if (rightBorder > 0) // is image on the right border?
+ m.postTranslate(rightBorder, 0); // clamp to right border
+ else if (leftBorder > 0)
+ m.postTranslate(-leftBorder, 0); // clamp to left order
+ } else if (leftBorder < 0 ^ rightBorder < 0) { // does image clash with one border?
+ if (rightBorder < 0)
+ m.postTranslate(rightBorder, 0); // clamp to right border
+ else
+ m.postTranslate(-leftBorder, 0); // clamp to left border
+ }
+ if (height > getHeight()) { // is image height bigger than screen height?
+ if (bottomBorder > 0) // is image on the bottom border?
+ m.postTranslate(0, -bottomBorder); // clamp to bottom border
+ else if (topBorder > 0) // is image on the top border?
+ m.postTranslate(0, topBorder); // clamp to top border
+ } else if (topBorder < 0 ^ bottomBorder < 0) { // does image clash with one border?
+ if (bottomBorder < 0)
+ m.postTranslate(0, -bottomBorder); // clamp to bottom border
+ else
+ m.postTranslate(0, topBorder); // clamp to top border
+ }
+ if (scale > max_zoom_in) { // scale limit exceeded?
+ float undoScale = max_zoom_in / scale; // undo scale setting
+ m.postScale(undoScale, undoScale, getWidth() / 2.0f, getHeight() / 2.0f);
+ } else if (scale < max_zoom_out) { // scale limit exceeded?
+ float undoScale = max_zoom_out / scale; // undo scale setting
+ m.postScale(undoScale, undoScale, getWidth() / 2.0f, getHeight() / 2.0f);
+ }
+ setImageMatrix(m); // set Image matrix
+ }
+}
\ No newline at end of file
diff --git a/app/src/main/res/values/attr.xml b/app/src/main/res/values/attr.xml
index 20ae9449..c2798535 100644
--- a/app/src/main/res/values/attr.xml
+++ b/app/src/main/res/values/attr.xml
@@ -9,4 +9,10 @@
+
+
+
+
+
+
\ No newline at end of file