本文整理匯總了Java中android.text.Layout.getLineForVertical方法的典型用法代碼示例。如果您正苦於以下問題:Java Layout.getLineForVertical方法的具體用法?Java Layout.getLineForVertical怎麽用?Java Layout.getLineForVertical使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類android.text.Layout
的用法示例。
在下文中一共展示了Layout.getLineForVertical方法的15個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: getPreciseOffset
import android.text.Layout; //導入方法依賴的package包/類
public static int getPreciseOffset(TextView textView, int x, int y) {
Layout layout = textView.getLayout();
if (layout != null) {
int topVisibleLine = layout.getLineForVertical(y);
int offset = layout.getOffsetForHorizontal(topVisibleLine, x);
int offsetX = (int) layout.getPrimaryHorizontal(offset);
if (offsetX > x) {
return layout.getOffsetToLeftOf(offset);
} else {
return offset;
}
} else {
return -1;
}
}
示例2: textTouchEvent
import android.text.Layout; //導入方法依賴的package包/類
/**
* 微博文本觸摸監聽處理
*
* @param textView 點擊的TextView
* @param event
* @return true:點擊事件被處理;false:點擊事件未被處理,向上冒泡
*/
private boolean textTouchEvent(TextView textView, MotionEvent event) {
boolean ret = false;
CharSequence text = textView.getText();
Spannable sText = Spannable.Factory.getInstance().newSpannable(text);
int action = event.getAction();
if (action == MotionEvent.ACTION_UP || action == MotionEvent.ACTION_DOWN) {
int x = (int) event.getX();
int y = (int) event.getY();
x -= textView.getTotalPaddingLeft();
y -= textView.getTotalPaddingTop();
x += textView.getScrollX();
y += textView.getScrollY();
Layout layout = textView.getLayout();
int line = layout.getLineForVertical(y);
int offset = layout.getOffsetForHorizontal(line, x);
ClickableSpan[] links = sText.getSpans(offset, offset, ClickableSpan.class);
if (links.length != 0) {
if (action == MotionEvent.ACTION_UP) {
links[0].onClick(textView);
}
ret = true;
}
}
return ret;
}
示例3: getPressedSpan
import android.text.Layout; //導入方法依賴的package包/類
public ITouchableSpan getPressedSpan(TextView textView, Spannable spannable, MotionEvent event) {
int x = (int) event.getX();
int y = (int) event.getY();
x -= textView.getTotalPaddingLeft();
y -= textView.getTotalPaddingTop();
x += textView.getScrollX();
y += textView.getScrollY();
Layout layout = textView.getLayout();
int line = layout.getLineForVertical(y);
int off = layout.getOffsetForHorizontal(line, x);
if (x < layout.getLineLeft(line) || x > layout.getLineRight(line)) {
// 實際上沒點到任何內容
off = -1;
}
ITouchableSpan[] link = spannable.getSpans(off, off, ITouchableSpan.class);
ITouchableSpan touchedSpan = null;
if (link.length > 0) {
touchedSpan = link[0];
}
return touchedSpan;
}
示例4: pointToPosition
import android.text.Layout; //導入方法依賴的package包/類
private int pointToPosition(int x, int y) {
x -= getCompoundPaddingLeft();
y -= getExtendedPaddingTop();
x += getScrollX();
y += getScrollY();
Layout layout = getLayout();
if (layout == null) {
return -1;
}
int line = layout.getLineForVertical(y);
int off = layout.getOffsetForHorizontal(line, x);
return off;
}
示例5: onTouchEvent
import android.text.Layout; //導入方法依賴的package包/類
@Override
public boolean onTouchEvent(TextView widget, Spannable buffer, MotionEvent event) {
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);
MathSpannable[] spans = buffer.getSpans(off, off, MathSpannable.class);
if (spans.length != 0) {
return spans[0].onTouchEvent(event);
}
return false;
}
示例6: onTouchEvent
import android.text.Layout; //導入方法依賴的package包/類
@Override
public boolean onTouchEvent(TextView widget, Spannable buffer, MotionEvent event) {
//http://stackoverflow.com/questions/1697084/handle-textview-link-click-in-my-android-app
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);
URLSpan[] link = buffer.getSpans(off, off, URLSpan.class);
if (link.length > 0) {
URLSpan span = link[0];
String url = span.getURL();
Spanned s = (Spanned) widget.getText();
int start = s.getSpanStart(span);
int end = s.getSpanEnd(span);
//http://stackoverflow.com/a/19750721/895797
String title = null;
if (start != -1 && end != -1) {
CharSequence wordThatWasClicked = s.subSequence(start, end);
title = wordThatWasClicked.toString();
}
onLinkClicked(widget, url, title);
return true;
}
}
return super.onTouchEvent(widget, buffer, event);
}
示例7: onTouchEvent
import android.text.Layout; //導入方法依賴的package包/類
@Override
public boolean onTouchEvent(TextView widget, Spannable buffer, MotionEvent event) {
int action = event.getAction();
if (action == MotionEvent.ACTION_UP ||
action == MotionEvent.ACTION_DOWN) {
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) {
if (action == MotionEvent.ACTION_UP) {
if(System.currentTimeMillis() - lastClickTime < CLICK_DELAY){
link[0].onClick(widget);
}
} else if (action == MotionEvent.ACTION_DOWN) {
Selection.setSelection(buffer,
buffer.getSpanStart(link[0]),
buffer.getSpanEnd(link[0]));
lastClickTime = System.currentTimeMillis();
}
return true;
} else {
Selection.removeSelection(buffer);
}
}
return super.onTouchEvent(widget, buffer, event);
}
示例8: onTouchEvent
import android.text.Layout; //導入方法依賴的package包/類
@Override
public boolean onTouchEvent(TextView widget, Spannable buffer, MotionEvent event) {
int action = event.getAction();
if (action == MotionEvent.ACTION_UP ||
action == MotionEvent.ACTION_DOWN) {
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) {
if (action == MotionEvent.ACTION_UP) {
link[0].onClick(widget);
} else if (action == MotionEvent.ACTION_DOWN) {
Selection.setSelection(buffer,
buffer.getSpanStart(link[0]),
buffer.getSpanEnd(link[0]));
}
return true;
} else {
Selection.removeSelection(buffer);
Touch.onTouchEvent(widget, buffer, event);
return false;
}
}
return Touch.onTouchEvent(widget, buffer, event);
}
示例9: onTouchEvent
import android.text.Layout; //導入方法依賴的package包/類
@Override
public boolean onTouchEvent(TextView widget, Spannable buffer, MotionEvent event) {
int action = event.getActionMasked();
if (action == MotionEvent.ACTION_UP || action == MotionEvent.ACTION_DOWN) {
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) {
if (action == MotionEvent.ACTION_UP) {
link[0].onClick(widget);
} else {
Selection.setSelection(buffer, buffer.getSpanStart(link[0]),
buffer.getSpanEnd(link[0]));
}
return true;
} else {
Selection.removeSelection(buffer);
}
}
return false;
}
示例10: findOffsetForPosition
import android.text.Layout; //導入方法依賴的package包/類
private Option<Integer> findOffsetForPosition(float x, float y) {
if (childView == null || childView.getLayout() == null) {
return none();
}
Layout layout = this.childView.getLayout();
int line = layout.getLineForVertical((int) y);
return option(layout.getOffsetForHorizontal(line, x));
}
示例11: onTouchEvent
import android.text.Layout; //導入方法依賴的package包/類
@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);
}
示例12: getTouchedSpan
import android.text.Layout; //導入方法依賴的package包/類
/**
* Gets the span that was touched.
* @param tv {@link TextView}
* @param span {@link Spannable}
* @param e {@link MotionEvent}
* @return {@link TouchableSpan}
*/
private TouchableSpan getTouchedSpan(TextView tv, Spannable span, MotionEvent e) {
// Find the location in which the touch was made
int x = (int)e.getX();
int y = (int)e.getY();
// Ignore padding
x -= tv.getTotalPaddingLeft();
y -= tv.getTotalPaddingTop();
// Account for scrollable text
x += tv.getScrollX();
y += tv.getScrollY();
final Layout layout = tv.getLayout();
final int touchedLine = layout.getLineForVertical(y);
final int touchOffset = layout.getOffsetForHorizontal(touchedLine, x);
// Set bounds of the touched line
touchBounds.left = layout.getLineLeft(touchedLine);
touchBounds.top = layout.getLineTop(touchedLine);
touchBounds.right = layout.getLineRight(touchedLine);
touchBounds.bottom = layout.getLineBottom(touchedLine);
// Ensure the span falls within the bounds of the touch
TouchableSpan touchSpan = null;
if (touchBounds.contains(x, y)) {
// Find clickable spans that lie under the touched area
TouchableSpan[] spans = span.getSpans(touchOffset, touchOffset, TouchableSpan.class);
touchSpan = (spans.length > 0) ? spans[0] : null;
}
return touchSpan;
}
示例13: onTouchEvent
import android.text.Layout; //導入方法依賴的package包/類
@Override
public boolean onTouchEvent(@NonNull MotionEvent event) {
if (BuildConfig.LOG_DEBUG) LogUtils.d(TAG, event);
Layout layout = this.getLayout();
if (layout != null) {
int line = layout.getLineForVertical((int) event.getY() - getTotalPaddingTop());
int offset = getOffsetForPosition(event.getX(), event.getY());
if (isEventOnText(event, layout, line) && getText() != null && getText() instanceof Spanned) {
Spanned spanned = (Spanned) getText();
ClickableSpan[] links = spanned.getSpans(offset, offset, ClickableSpan.class);
if (links.length > 0) {
if (event.getAction() == MotionEvent.ACTION_DOWN) {
return true;
} else if (event.getAction() == MotionEvent.ACTION_UP) {
links[0].onClick(this);
} else {
return super.onTouchEvent(event);
}
}
}
}
return super.onTouchEvent(event);
}
示例14: reactTagForTouch
import android.text.Layout; //導入方法依賴的package包/類
@Override
public int reactTagForTouch(float touchX, float touchY) {
Spanned text = (Spanned) getText();
int target = getId();
int x = (int) touchX;
int y = (int) touchY;
Layout layout = getLayout();
if (layout == null) {
// If the layout is null, the view hasn't been properly laid out yet. Therefore, we can't find
// the exact text tag that has been touched, and the correct tag to return is the default one.
return target;
}
int line = layout.getLineForVertical(y);
int lineStartX = (int) layout.getLineLeft(line);
int lineEndX = (int) layout.getLineRight(line);
// TODO(5966918): Consider extending touchable area for text spans by some DP constant
if (x >= lineStartX && x <= lineEndX) {
int index = layout.getOffsetForHorizontal(line, x);
// We choose the most inner span (shortest) containing character at the given index
// if no such span can be found we will send the textview's react id as a touch handler
// In case when there are more than one spans with same length we choose the last one
// from the spans[] array, since it correspond to the most inner react element
ReactTagSpan[] spans = text.getSpans(index, index, ReactTagSpan.class);
if (spans != null) {
int targetSpanTextLength = text.length();
for (int i = 0; i < spans.length; i++) {
int spanStart = text.getSpanStart(spans[i]);
int spanEnd = text.getSpanEnd(spans[i]);
if (spanEnd > index && (spanEnd - spanStart) <= targetSpanTextLength) {
target = spans[i].getReactTag();
targetSpanTextLength = (spanEnd - spanStart);
}
}
}
}
return target;
}
示例15: onTouchEvent
import android.text.Layout; //導入方法依賴的package包/類
@Override
public boolean onTouchEvent(TextView widget, Spannable buffer, MotionEvent event) {
int action = event.getAction();
if (action == MotionEvent.ACTION_UP ||
action == MotionEvent.ACTION_DOWN) {
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);
LongClickableSpan[] link = buffer.getSpans(off, off, LongClickableSpan.class);
if (link.length != 0) {
long currTime = System.currentTimeMillis();
LongClickableSpan l = link[0];
int ls = buffer.getSpanStart(l);
int le = buffer.getSpanEnd(l);
// 判斷點擊的點是否在Image範圍內
ClickableImageSpan[] is = buffer.getSpans(ls, le, ClickableImageSpan.class);
if (is.length > 0) {
if (!is[0].clicked(x)) {
Selection.removeSelection(buffer);
return false;
}
} else if (off < layout.getOffsetToLeftOf(ls) || off > layout.getOffsetToLeftOf(le + 1)) {
// 判斷點擊位置是否在鏈接範圍內
Selection.removeSelection(buffer);
return false;
}
if (action == MotionEvent.ACTION_UP) {
// 如果按下時間超過500毫秒,觸發長按事件
if (currTime - lastTime > MIN_INTERVAL) {
if (!l.onLongClick(widget)) {
// onLongClick返回false代表事件未處理,交由onClick處理
l.onClick(widget);
}
} else {
l.onClick(widget);
}
} else {
Selection.setSelection(buffer,
ls, le);
}
lastTime = currTime;
return true;
} else {
Selection.removeSelection(buffer);
return false;
}
}
return super.onTouchEvent(widget, buffer, event);
}