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Code Issues Projects Releases Wiki Activity

Introduce new MovementMethod for text selection and link clicks

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This commit is contained in:
Torsten Grote
2016-09-08 13:15:46 -03:00
parent cab667ef6a
commit 7a1003178d
5 changed files with 84 additions and 13 deletions
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8
briar-android/src/org/briarproject/android/util/AndroidUtils.java
View File

@@ -46,7 +46,7 @@ import static android.text.format.DateUtils.WEEK_IN_MILLIS;
public class AndroidUtils {
public static final long MIN_RESOLUTION = MINUTE_IN_MILLIS;
public static final int TEASER_LENGTH = 240;
public static final int TEASER_LENGTH = 320;
// Fake Bluetooth address returned by BluetoothAdapter on API 23 and later
private static final String FAKE_BLUETOOTH_ADDRESS = "02:00:00:00:00:00";
@@ -131,13 +131,13 @@ public class AndroidUtils {
MIN_RESOLUTION, flags).toString();
}
public static SpannableStringBuilder getTeaser(Context ctx, String body) {
public static SpannableStringBuilder getTeaser(Context ctx, Spanned body) {
if (body.length() < TEASER_LENGTH)
throw new IllegalArgumentException(
"String is shorter than TEASER_LENGTH");
SpannableStringBuilder builder =
new SpannableStringBuilder(body.substring(0, TEASER_LENGTH));
new SpannableStringBuilder(body.subSequence(0, TEASER_LENGTH));
String ellipsis = ctx.getString(R.string.ellipsis);
builder.append(ellipsis).append(" ");
@@ -176,7 +176,7 @@ public class AndroidUtils {
ssb.setSpan(cSpan, start, end, 0);
}
v.setText(ssb);
v.setMovementMethod(LinkMovementMethod.getInstance());
v.setMovementMethod(ArticleMovementMethod.getInstance());
}
}

67
briar-android/src/org/briarproject/android/util/ArticleMovementMethod.java Normal file
View File

@@ -0,0 +1,67 @@
/*
* Copyright (C) 2006 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.briarproject.android.util;
import android.text.Layout;
import android.text.Spannable;
import android.text.method.ArrowKeyMovementMethod;
import android.text.method.MovementMethod;
import android.text.style.ClickableSpan;
import android.view.MotionEvent;
import android.widget.TextView;
public class ArticleMovementMethod extends ArrowKeyMovementMethod {
private static ArticleMovementMethod sInstance;
public static MovementMethod getInstance() {
if (sInstance == null) {
sInstance = new ArticleMovementMethod();
}
return sInstance;
}
@Override
public boolean onTouchEvent(TextView widget, Spannable buffer,
MotionEvent event) {
int action = event.getAction();
if (action == MotionEvent.ACTION_UP) {
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 super.onTouchEvent(widget, buffer, event);
}
}