android.widget.TextView#layout ( )源码实例Demo

下面列出了android.widget.TextView#layout ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： google-maps-clustering 文件： DefaultIconGenerator.java

@NonNull
private BitmapDescriptor createClusterIcon(int clusterBucket) {
    @SuppressLint("InflateParams")
    TextView clusterIconView = (TextView) LayoutInflater.from(mContext)
            .inflate(R.layout.map_cluster_icon, null);
    clusterIconView.setBackground(createClusterBackground());
    clusterIconView.setTextColor(mIconStyle.getClusterTextColor());
    clusterIconView.setTextSize(TypedValue.COMPLEX_UNIT_PX,
            mIconStyle.getClusterTextSize());

    clusterIconView.setText(getClusterIconText(clusterBucket));

    clusterIconView.measure(View.MeasureSpec.UNSPECIFIED, View.MeasureSpec.UNSPECIFIED);
    clusterIconView.layout(0, 0, clusterIconView.getMeasuredWidth(),
            clusterIconView.getMeasuredHeight());

    Bitmap iconBitmap = Bitmap.createBitmap(clusterIconView.getMeasuredWidth(),
            clusterIconView.getMeasuredHeight(), Bitmap.Config.ARGB_8888);

    Canvas canvas = new Canvas(iconBitmap);
    clusterIconView.draw(canvas);

    return BitmapDescriptorFactory.fromBitmap(iconBitmap);
}

源代码2 项目： Onosendai 文件： ColumnTitleStrip.java

void updateTextPositions (final int position, final float positionOffset, final boolean force) {
	if (position != this.mLastKnownCurrentPage) {
		updateText(position);
	}
	else if (!force && positionOffset == this.mLastKnownPositionOffset) {
		return;
	}
	this.mUpdatingPositions = true;

	// XXX Use pager's width.
	final int contentWidth = this.pager.getWidth() - getPaddingLeft() - getPaddingRight();
	final int columnWidth = (int) (contentWidth * this.relativePageWidth); // FIXME rounding error may be introduced.
	final int firstColumnLeft = 0 - (columnWidth * position) - getLeft(); // XXX Offset Left.

	for (int i = 0; i < this.labels.size(); i++) {
		final TextView tv = this.labels.get(i);
		final int tLeft = firstColumnLeft + (columnWidth * i) - (int) (positionOffset * columnWidth);
		final int bottomGravTop = getHeight() - getPaddingBottom() - tv.getMeasuredHeight();
		tv.layout(tLeft, bottomGravTop, tLeft + columnWidth, bottomGravTop + tv.getMeasuredHeight());
	}

	this.mLastKnownPositionOffset = positionOffset;
	this.mUpdatingPositions = false;
}

源代码3 项目： animation-samples 文件： TextResize.java

private static void setTextViewData(TextView view, TextResizeData data, float fontSize) {
    view.setTextSize(TypedValue.COMPLEX_UNIT_PX, fontSize);
    view.setPadding(data.paddingLeft, data.paddingTop, data.paddingRight, data.paddingBottom);
    view.setRight(view.getLeft() + data.width);
    view.setBottom(view.getTop() + data.height);
    view.setTextColor(data.textColor);
    int widthSpec = View.MeasureSpec.makeMeasureSpec(view.getWidth(), View.MeasureSpec.EXACTLY);
    int heightSpec = View.MeasureSpec.makeMeasureSpec(view.getHeight(), View.MeasureSpec.EXACTLY);
    view.measure(widthSpec, heightSpec);
    view.layout(view.getLeft(), view.getTop(), view.getRight(), view.getBottom());
}

源代码4 项目： WidgetCase 文件： CustomScrollView.java

@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
    int top = 0;
    for (int i = 0; i < MOCK_ITEM_COUNT; i++) {
        int width = mScreenW;
        int height = mScreenH / 2;
        int left = 0;
        int right = left + width;
        int bottom = top + height;

        // 计算控件实际宽高
        if (bottom > mHeight) {
            mHeight = bottom;
        }
        if (right > mWidth) {
            mWidth = right;
        }

        // 生成测试内容
        TextView tv = new TextView(mContext);
        if (i % 2 == 0) {
            tv.setBackgroundColor(Color.BLUE);
        } else {
            tv.setBackgroundColor(Color.GREEN);
        }
        tv.setTextColor(Color.WHITE);
        tv.setText("item:" + i);
        addView(tv);
        tv.layout(left, top, right, bottom);
        top += height;
        // 留20px的行间距
        top += MOCK_ITEM_COUNT;
    }
}

源代码5 项目： WidgetCase 文件： CustomScrollViewTest.java

@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
    int top = 0;
    for (int i = 0; i < MOCK_ITEM_COUNT; i++) {
        int width = mScreenW;
        int height = mScreenH / 2;
        int left = 0;
        int right = left + width;
        int bottom = top + height;

        // 计算控件实际宽高
        if (bottom > mHeight) {
            mHeight = bottom;
        }
        if (right > mWidth) {
            mWidth = right;
        }

        // 生成测试内容
        TextView tv = new TextView(mContext);
        if (i % 2 == 0) {
            tv.setBackgroundColor(Color.BLUE);
        } else {
            tv.setBackgroundColor(Color.GREEN);
        }
        tv.setTextColor(Color.WHITE);
        tv.setText("item:" + i);
        addView(tv);
        tv.layout(left, top, right, bottom);
        top += height;
        // 留20px的行间距
        top += MOCK_ITEM_COUNT;
    }
}

源代码6 项目： atlas 文件： TextResize.java

private static void setTextViewData(TextView view, TextResizeData data, float fontSize) {
    view.setTextSize(TypedValue.COMPLEX_UNIT_PX, fontSize);
    view.setPadding(data.paddingLeft, data.paddingTop, data.paddingRight, data.paddingBottom);
    view.setRight(view.getLeft() + data.width);
    view.setBottom(view.getTop() + data.height);
    view.setTextColor(data.textColor);
    int widthSpec = View.MeasureSpec.makeMeasureSpec(view.getWidth(), View.MeasureSpec.EXACTLY);
    int heightSpec = View.MeasureSpec.makeMeasureSpec(view.getHeight(), View.MeasureSpec.EXACTLY);
    view.measure(widthSpec, heightSpec);
    view.layout(view.getLeft(), view.getTop(), view.getRight(), view.getBottom());
}

源代码7 项目： android-instant-apps 文件： TextResize.java

private static void setTextViewData(TextView view, TextResizeData data, float fontSize) {
    view.setTextSize(TypedValue.COMPLEX_UNIT_PX, fontSize);
    view.setPadding(data.paddingLeft, data.paddingTop, data.paddingRight, data.paddingBottom);
    view.setRight(view.getLeft() + data.width);
    view.setBottom(view.getTop() + data.height);
    view.setTextColor(data.textColor);
    int widthSpec = View.MeasureSpec.makeMeasureSpec(view.getWidth(), View.MeasureSpec.EXACTLY);
    int heightSpec = View.MeasureSpec.makeMeasureSpec(view.getHeight(), View.MeasureSpec.EXACTLY);
    view.measure(widthSpec, heightSpec);
    view.layout(view.getLeft(), view.getTop(), view.getRight(), view.getBottom());
}

源代码8 项目： android-login 文件： TextSizeTransition.java

private static void setTextViewData(TextView view, TextResizeData data, float fontSize) {
  view.setTextSize(TypedValue.COMPLEX_UNIT_PX, fontSize);
  view.setPadding(data.paddingLeft, data.paddingTop, data.paddingRight, data.paddingBottom);
  view.setRight(view.getLeft() + data.width);
  view.setBottom(view.getTop() + data.height);
  view.setTextColor(data.textColor);
  int widthSpec = View.MeasureSpec.makeMeasureSpec(view.getWidth(), View.MeasureSpec.EXACTLY);
  int heightSpec = View.MeasureSpec.makeMeasureSpec(view.getHeight(), View.MeasureSpec.EXACTLY);
  view.measure(widthSpec, heightSpec);
  view.layout(view.getLeft(), view.getTop(), view.getRight(), view.getBottom());
}

源代码9 项目： glide-support 文件： Generators.java

/** OP's original implementation fixed for real centering */
public static Bitmap imageWithText(Context context, Bitmap bitmap, GenerateParams params) {
	TextView view = new TextView(context);
	view.setText(params.text);
	view.setTextColor(params.color);
	view.setBackgroundColor(params.background);
	view.setTypeface(null, Typeface.BOLD);
	view.setGravity(Gravity.CENTER);
	view.setTextSize(20);
	Canvas canvas = new Canvas(bitmap);
	view.measure(makeMeasureSpec(canvas.getWidth(), EXACTLY), makeMeasureSpec(canvas.getHeight(), EXACTLY));
	view.layout(0, 0, canvas.getWidth(), canvas.getHeight());
	view.draw(canvas);
	return bitmap;
}

源代码10 项目： nono-android 文件： NoteDetailBaseActivity.java

protected void shareNoteImage() {
    final NoteHeadContentViewPair viewPair = getSnapShotViews();
    //contentTV.setText(Html.fromHtml(currentNoteInfo.content+"<br>分享来自NONo笔记", imageGetter, htmlTagHandler), TextView.BufferType.SPANNABLE);
    popupWindow = NotifyHelper.popUpWaitingAnimation(this,popupWindow);
    final TextView tv = new TextView(this);
    tv.setGravity(Gravity.CENTER);
    tv.setPadding(viewPair.contentView.getPaddingLeft(),0,0,0);
    tv.layout(0,0,findViewById(R.id.real_toolbar).getWidth(),findViewById(R.id.real_toolbar).getHeight()/2);
    tv.setBackgroundColor(getResources().getColor(android.R.color.white));
    tv.setTextColor(getResources().getColor(R.color.md_second_color));
    tv.setTextSize(getResources().getDimension(R.dimen.md_caption_text_size)/6);
    tv.setText("分享来自 NONo笔记 APP,via nonobiji.com");
    final Bitmap bitmap = ShareUtil.createViewBitmap(viewPair.headView,viewPair.contentView,tv);
    new Thread(new Runnable() {
        @Override
        public void run() {
            final String imagePath = ShareUtil.saveViewToPic(NoteDetailBaseActivity.this,bitmap);
            NoteDetailBaseActivity.this.runOnUiThread(new Runnable() {
                @Override
                public void run() {
                    Toast.makeText(NoteDetailBaseActivity.this, "图片保存在" + imagePath, Toast.LENGTH_LONG).show();
                    NotifyHelper.popUpWaitingAnimationFinished(popupWindow);
                    ShareUtil.shareImage(NoteDetailBaseActivity.this,imagePath,"分享NONo笔记图片");
                }
            });

        }
    }).start();
}

源代码11 项目： AndroidDemo 文件： ReflectionActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);

	final FrameLayout root = new FrameLayout(this);
	setContentView(root);

	final TextView textView = new TextView(this);
	textView.setText("test");
	textView.setLayoutParams(new FrameLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT, Gravity.CENTER));
	textView.setTextColor(Color.WHITE);
	textView.setTextSize(40);
	textView.setGravity(Gravity.CENTER_HORIZONTAL);
	textView.setBackgroundColor(Color.RED);
	textView.setPadding(100, 20, 100, 20);

	final int measureSpec = View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED);
	textView.measure(measureSpec, measureSpec);
	textView.layout(0, 0, textView.getMeasuredWidth(), textView.getMeasuredHeight());
	final Bitmap b = Bitmap.createBitmap(textView.getWidth(), textView.getHeight(), Bitmap.Config.ARGB_8888);
	final Canvas c = new Canvas(b);
	textView.draw(c);

	final ImageView imageView = new ImageView(this);
	imageView.setLayoutParams(new FrameLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT, Gravity.CENTER));
	imageView.setImageBitmap(createReflection(b, 1, 10));
	root.addView(imageView);
}

源代码12 项目： Telegram-FOSS 文件： IntroActivity.java

@Override
public Object instantiateItem(ViewGroup container, int position) {
    TextView headerTextView = new TextView(container.getContext());
    TextView messageTextView = new TextView(container.getContext());

    FrameLayout frameLayout = new FrameLayout(container.getContext()) {
        @Override
        protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
            int oneFourth = (bottom - top) / 4;
            int y = (oneFourth * 3 - AndroidUtilities.dp(275)) / 2;
            y += AndroidUtilities.dp(166);
            int x = AndroidUtilities.dp(18);
            headerTextView.layout(x, y, x + headerTextView.getMeasuredWidth(), y + headerTextView.getMeasuredHeight());

            y += AndroidUtilities.dp(42);
            x = AndroidUtilities.dp(16);
            messageTextView.layout(x, y, x + messageTextView.getMeasuredWidth(), y + messageTextView.getMeasuredHeight());
        }
    };

    headerTextView.setTextColor(0xff212121);
    headerTextView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, 26);
    headerTextView.setGravity(Gravity.CENTER);
    frameLayout.addView(headerTextView, LayoutHelper.createFrame(LayoutHelper.MATCH_PARENT, LayoutHelper.WRAP_CONTENT, Gravity.TOP | Gravity.LEFT, 18, 244, 18, 0));

    messageTextView.setTextColor(0xff808080);
    messageTextView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, 15);
    messageTextView.setGravity(Gravity.CENTER);
    frameLayout.addView(messageTextView, LayoutHelper.createFrame(LayoutHelper.MATCH_PARENT, LayoutHelper.WRAP_CONTENT, Gravity.TOP | Gravity.LEFT, 16, 286, 16, 0));

    container.addView(frameLayout, 0);

    headerTextView.setText(titles[position]);
    messageTextView.setText(AndroidUtilities.replaceTags(messages[position]));

    return frameLayout;
}

源代码13 项目： Telegram 文件： IntroActivity.java

@Override
public Object instantiateItem(ViewGroup container, int position) {
    TextView headerTextView = new TextView(container.getContext());
    TextView messageTextView = new TextView(container.getContext());

    FrameLayout frameLayout = new FrameLayout(container.getContext()) {
        @Override
        protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
            int oneFourth = (bottom - top) / 4;
            int y = (oneFourth * 3 - AndroidUtilities.dp(275)) / 2;
            y += AndroidUtilities.dp(166);
            int x = AndroidUtilities.dp(18);
            headerTextView.layout(x, y, x + headerTextView.getMeasuredWidth(), y + headerTextView.getMeasuredHeight());

            y += AndroidUtilities.dp(42);
            x = AndroidUtilities.dp(16);
            messageTextView.layout(x, y, x + messageTextView.getMeasuredWidth(), y + messageTextView.getMeasuredHeight());
        }
    };

    headerTextView.setTextColor(0xff212121);
    headerTextView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, 26);
    headerTextView.setGravity(Gravity.CENTER);
    frameLayout.addView(headerTextView, LayoutHelper.createFrame(LayoutHelper.MATCH_PARENT, LayoutHelper.WRAP_CONTENT, Gravity.TOP | Gravity.LEFT, 18, 244, 18, 0));

    messageTextView.setTextColor(0xff808080);
    messageTextView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, 15);
    messageTextView.setGravity(Gravity.CENTER);
    frameLayout.addView(messageTextView, LayoutHelper.createFrame(LayoutHelper.MATCH_PARENT, LayoutHelper.WRAP_CONTENT, Gravity.TOP | Gravity.LEFT, 16, 286, 16, 0));

    container.addView(frameLayout, 0);

    headerTextView.setText(titles[position]);
    messageTextView.setText(AndroidUtilities.replaceTags(messages[position]));

    return frameLayout;
}

源代码14 项目： MaterialWpp 文件： FloatingActionMenu.java

@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
    System.out.println("onLayout:" + changed);
    if (changed) {
        int right = r - getPaddingRight();
        int bottom = b - getPaddingBottom();
        int top = bottom - mMenuButton.getMeasuredHeight();
        mMenuButton.layout(right - mMenuButton.getMeasuredWidth(), top, right, bottom);
        int dw = (mMenuButton.getMeasuredWidth() - mIcon.getMeasuredWidth()) / 2;
        int dh = (mMenuButton.getMeasuredHeight() - mIcon.getMeasuredHeight()) / 2;
        mIcon.layout(right - mIcon.getMeasuredWidth() - dw,
                bottom - mIcon.getMeasuredHeight() - dh, right - dw, bottom - dh);

        if (isCircle) {
            if (mMenuItems.size() < 2) {
                Log.e("onLayout", "Floating Action Buttons must more then one!");
                return;
            }
            double angle = Math.PI/2d/(mMenuItems.size() - 1);
            for (int i = 0; i < mMenuItems.size(); i++) {
                FloatingActionButton itemFB = mMenuItems.get(i);
                int fbWidth = itemFB.getMeasuredWidth();
                int fbHeight = itemFB.getMeasuredHeight();
                if (0 != multipleOfFB) {
                    mRadius = (int) (fbWidth * multipleOfFB);
                }
                int itemDw = (mMenuButton.getMeasuredWidth() - fbWidth) / 2;
                int itemDh = (mMenuButton.getMeasuredHeight() - fbHeight) / 2;
                int itemX = (int) (mRadius*Math.cos(i*angle));
                int itemY = (int) (mRadius*Math.sin(i*angle));
                itemFB.layout(right - itemX - fbWidth - itemDw, bottom - itemY - fbHeight - itemDh,
                        right - itemX - itemDw, bottom - itemY - itemDh);

                if (!animating) {
                    if (!mOpen) {
                        itemFB.setTranslationY(mMenuButton.getTop() - itemFB.getTop());
                        itemFB.setTranslationX(mMenuButton.getLeft() - itemFB.getLeft());
                        itemFB.setVisibility(GONE);
                    } else {
                        itemFB.setTranslationY(0);
                        itemFB.setTranslationX(0);
                        itemFB.setVisibility(VISIBLE);
                    }
                }
            }
        } else {
            for (int i = 0; i < mMenuItems.size(); i++) {
                FloatingActionButton item = mMenuItems.get(i);
                TextView label = mMenuItemLabels.get(i);

                label.setBackgroundResource(R.drawable.rounded_corners);
                bottom = top -= mItemGap;

                top -= item.getMeasuredHeight();
                int width = item.getMeasuredWidth();
                int d = (mMenuButton.getMeasuredWidth() - width) / 2;
                item.layout(right - width - d, top, right - d, bottom);
                d = (item.getMeasuredHeight() - label.getMeasuredHeight()) / 2;

                label.layout(item.getLeft() - label.getMeasuredWidth() - 50,
                        item.getTop() + d, item.getLeft(),
                        item.getTop() + d + label.getMeasuredHeight());
                if (!animating) {
                    if (!mOpen) {
                        item.setTranslationY(mMenuButton.getTop() - item.getTop());
                        item.setVisibility(GONE);
                        label.setVisibility(GONE);
                    } else {
                        item.setTranslationY(0);
                        item.setVisibility(VISIBLE);
                        label.setVisibility(VISIBLE);
                    }
                }
            }
        }
        if (!animating && getBackground() != null) {
            if (!mOpen) {
                getBackground().setAlpha(0);
            } else {
                getBackground().setAlpha(0xff);
            }
        }
    }
}

源代码15 项目： dttv-android 文件： FloatingActionMenu.java

/**
 * Sets the layout of the ViewGroup dependent on the number of menu items as well as menu direction.
 */
@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
    System.out.println("onLayout:" + changed);
    if (changed) {
        int right = r - getPaddingRight();
        int bottom = b - getPaddingBottom();
        int top = bottom - mMenuButton.getMeasuredHeight();
        mMenuButton.layout(right - mMenuButton.getMeasuredWidth(), top, right, bottom);
        int dw = (mMenuButton.getMeasuredWidth() - mIcon.getMeasuredWidth()) / 2;
        int dh = (mMenuButton.getMeasuredHeight() - mIcon.getMeasuredHeight()) / 2;
        mIcon.layout(right - mIcon.getMeasuredWidth() - dw,
                bottom - mIcon.getMeasuredHeight() - dh, right - dw, bottom - dh);

        if (isCircle) {
            if (mMenuItems.size() < 2) {
                Log.e("onLayout", "Floating Action Buttons must more then one!");
                return;
            }
            double angle = Math.PI/2d/(mMenuItems.size() - 1);
            for (int i = 0; i < mMenuItems.size(); i++) {
                FloatingActionButton itemFB = mMenuItems.get(i);
                int fbWidth = itemFB.getMeasuredWidth();
                int fbHeight = itemFB.getMeasuredHeight();
                if (0 != multipleOfFB) {
                    mRadius = (int) (fbWidth * multipleOfFB);
                }
                int itemDw = (mMenuButton.getMeasuredWidth() - fbWidth) / 2;
                int itemDh = (mMenuButton.getMeasuredHeight() - fbHeight) / 2;
                int itemX = (int) (mRadius*Math.cos(i*angle));
                int itemY = (int) (mRadius*Math.sin(i*angle));
                itemFB.layout(right - itemX - fbWidth - itemDw, bottom - itemY - fbHeight - itemDh,
                        right - itemX - itemDw, bottom - itemY - itemDh);

                if (!animating) {
                    if (!mOpen) {
                        itemFB.setTranslationY(mMenuButton.getTop() - itemFB.getTop());
                        itemFB.setTranslationX(mMenuButton.getLeft() - itemFB.getLeft());
                        itemFB.setVisibility(GONE);
                    } else {
                        itemFB.setTranslationY(0);
                        itemFB.setTranslationX(0);
                        itemFB.setVisibility(VISIBLE);
                    }
                }
            }
        } else {
            for (int i = 0; i < mMenuItems.size(); i++) {
                FloatingActionButton item = mMenuItems.get(i);
                TextView label = mMenuItemLabels.get(i);

                label.setBackgroundResource(R.drawable.rounded_corners);
                bottom = top -= mItemGap;

                top -= item.getMeasuredHeight();
                int width = item.getMeasuredWidth();
                int d = (mMenuButton.getMeasuredWidth() - width) / 2;
                item.layout(right - width - d, top, right - d, bottom);
                d = (item.getMeasuredHeight() - label.getMeasuredHeight()) / 2;

                label.layout(item.getLeft() - label.getMeasuredWidth() - 50,
                        item.getTop() + d, item.getLeft(),
                        item.getTop() + d + label.getMeasuredHeight());
                if (!animating) {
                    if (!mOpen) {
                        item.setTranslationY(mMenuButton.getTop() - item.getTop());
                        item.setVisibility(GONE);
                        label.setVisibility(GONE);
                    } else {
                        item.setTranslationY(0);
                        item.setVisibility(VISIBLE);
                        label.setVisibility(VISIBLE);
                    }
                }
            }
        }
        if (!animating && getBackground() != null) {
            if (!mOpen) {
                getBackground().setAlpha(0);
            } else {
                getBackground().setAlpha(0xff);
            }
        }
    }
}

源代码16 项目： settlers-remake 文件： AndroidTextDrawer.java

private int findLineFor(String string) {
	int line = findExistingString(string);
	if (line >= 0) {
		return line;
	}

	int width = (int) Math.ceil(computeWidth(string) + 25);
	renderer = new TextView(context.getAndroidContext());
	renderer.setTextColor(Color.WHITE);
	renderer.setSingleLine(true);
	renderer.setTextSize(TypedValue.COMPLEX_UNIT_PX, getScaledSize());
	renderer.setText(string);

	int firstLine = findLineToUse();
	// System.out.println("string cache miss for " + string +
	// ", allocating new line: " + firstLine);
	int lastLine = firstLine;

	for (int x = 0; x < width; x += TEXTURE_WIDTH) {
		if (x == 0) {
			line = firstLine;
		} else {
			line = findLineToUse();
			nextTile[lastLine] = line;
			linestrings[line] = null;
			linewidths[line] = -1;
		}
		// important to not allow cycles.
		lastused[line] = Integer.MAX_VALUE;
		// just to be sure.
		nextTile[line] = -1;

		// render the new text to that line.
		Bitmap bitmap = Bitmap.createBitmap(TEXTURE_WIDTH, lineheight, Bitmap.Config.ALPHA_8);
		Canvas canvas = new Canvas(bitmap);
		renderer.layout(0, 0, width, lineheight);
		canvas.translate(-x, 0);
		renderer.draw(canvas);
		// canvas.translate(50, .8f * lineheight);
		int points = lineheight * TEXTURE_WIDTH;
		ByteBuffer alpha8 = ByteBuffer.allocateDirect(points);
		bitmap.copyPixelsToBuffer(alpha8);
		ByteBuffer updateBuffer;
		if(context instanceof GLES20DrawContext) {
			updateBuffer = ByteBuffer.allocateDirect(points*4);
			for(int i = 0;i != points;i++) {
				updateBuffer.putInt(0xFFFFFF00|alpha8.get(i));
			}
		} else {
			updateBuffer = alpha8;
		}
		updateBuffer.rewind();
		context.updateFontTexture(texture, 0, line*lineheight, TEXTURE_WIDTH, lineheight, updateBuffer);
		lastLine = line;
	}
	lastused[firstLine] = lastUsedCount++;
	linestrings[firstLine] = string;
	linewidths[firstLine] = width;

	checkInvariants();
	return firstLine;
}

方法所在类

android.widget.TextView