android.view.Gravity#CENTER源码实例Demo

下面列出了android.view.Gravity#CENTER 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： ImageLoadingView 文件： ImageLoadingView.java

private void initView(Context context, AttributeSet attrs) {
    this.mContext = context;
    if (null == attrs) {
        if (!(getLayoutParams() instanceof FrameLayout.LayoutParams)) {
            FrameLayout.LayoutParams layoutParams =
                    new FrameLayout.LayoutParams(
                            dip2Px(50),
                            dip2Px(50),
                            Gravity.CENTER);
            setLayoutParams(layoutParams);
        }
    }
    mPaint1 = new Paint();
    mPaint1.setAntiAlias(true);
    mPaint1.setColor(Color.WHITE);
    mPaint2 = new Paint();
    mPaint2.setAntiAlias(true);
    mPaint2.setStyle(Paint.Style.STROKE);
    mPaint2.setColor(Color.WHITE);
}

源代码2 项目： oversec 文件： OverlayOutsideTouchView.java

@Override
protected WindowManager.LayoutParams createLayoutParams(Context ctx) {
    WindowManager.LayoutParams layoutParams = new WindowManager.LayoutParams();

    layoutParams.packageName = ctx.getPackageName();
    layoutParams.alpha = 1;
    layoutParams.type = getOverlayType();
    layoutParams.flags = WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
            | WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL
            | WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM
            | WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH;

    layoutParams.gravity = Gravity.CENTER;
    layoutParams.format = PixelFormat.TRANSLUCENT;

    layoutParams.x = 0;
    layoutParams.y = 0;
    layoutParams.width = 0;
    layoutParams.height = 0;

    return layoutParams;
}

源代码3 项目： tns-core-modules-widgets 文件： ViewHelper.java

public static String getHorizontalAlignment(android.view.View view) {
    ViewGroup.LayoutParams params = view.getLayoutParams();
    if (params instanceof FrameLayout.LayoutParams) {
        FrameLayout.LayoutParams lp = (FrameLayout.LayoutParams) params;
        if (Gravity.isHorizontal(lp.gravity)) {
            switch (lp.gravity & Gravity.HORIZONTAL_GRAVITY_MASK) {
                case Gravity.LEFT:
                    return "left";
                case Gravity.CENTER:
                    return "center";
                case Gravity.RIGHT:
                    return "right";
                case Gravity.FILL_HORIZONTAL:
                    return "stretch";

            }
        }
    }

    return "stretch";
}

源代码4 项目： slide 文件： Slide.java

public Background(String bg) {
    int g = Gravity.CENTER;
    float scale = 1f;
    String url = null;
    for (String part : bg.split("\\s+")) {
        if (part.endsWith("%")) {
            try {
                scale = Float.parseFloat(part.substring(0, part.length() - 1)) / 100;
            } catch (NumberFormatException ignored) {}
        } else if (GRAVITY.containsKey(part)) {
            g = GRAVITY.get(part);
        } else if (part.contains("://")){
            url = part;
        }
    }
    this.url = url;
    this.scale = scale;
    this.gravity = g;
}

源代码5 项目： SlidingIntroScreen 文件： ButtonFragment.java

/**
 * @return a Button which is centred in its parent and provides visual feedback when clicked
 */
private Button createButton() {
	final Button button = new Button(getContext());
	button.setText("Button inside fragment");
	button.setOnClickListener(new View.OnClickListener() {
		@Override
		public void onClick(View v) {
			button.setText("Button click successful...");
		}
	});

	final LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(ViewGroup
			.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
	layoutParams.gravity = Gravity.CENTER;
	button.setLayoutParams(layoutParams);

	return button;
}

源代码6 项目： pandroid 文件： ProgressButtonLayout.java

private void initChildView(Context context) {
    progressWheel = new ProgressWheel(context);
    LayoutParams params = new LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT, Gravity.CENTER);
    progressWheel.setVisibility(GONE);
    progressWheel.setAlpha(0);
    progressWheel.setBarWidth((int) DeviceUtils.dpToPx(context, 3));
    progressWheel.setBarColor(getResources().getColor(R.color.white));
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        progressWheel.setTranslationZ(DeviceUtils.dpToPx(context, 4));
    }
    super.addView(progressWheel, -1, params);
}

源代码7 项目： sctalk 文件： PullToRefreshAdapterViewBase.java

private static FrameLayout.LayoutParams convertEmptyViewLayoutParams(ViewGroup.LayoutParams lp) {
	FrameLayout.LayoutParams newLp = null;

	if (null != lp) {
		newLp = new FrameLayout.LayoutParams(lp);

		if (lp instanceof LinearLayout.LayoutParams) {
			newLp.gravity = ((LinearLayout.LayoutParams) lp).gravity;
		} else {
			newLp.gravity = Gravity.CENTER;
		}
	}

	return newLp;
}

源代码8 项目： KUtils-master 文件： DialogAssigner.java

@Override
public BuildBean assignMdLoadingVertical(Context context, CharSequence msg, boolean cancleable, boolean outsideTouchable, boolean isWhiteBg) {
    BuildBean bean = new BuildBean();
    bean.mContext = context;
    bean.msg = msg;
    bean.isWhiteBg = isWhiteBg;
    bean.gravity = Gravity.CENTER;
    bean.cancelable = cancleable;
    bean.outsideTouchable = outsideTouchable;
    bean.type = CommonConfig.TYPE_MD_LOADING_VERTICAL;
    return bean;
}

源代码9 项目： FastDownloader 文件： WaitingDialog.java

@SuppressLint("InlinedApi")
private void layoutDesign() {
	setOrientation(LinearLayout.VERTICAL);
	FrameLayout.LayoutParams lParams0 = new FrameLayout.LayoutParams(LayoutParams.MATCH_PARENT,
			LayoutParams.WRAP_CONTENT);
	setLayoutParams(lParams0);
	setBackgroundColor(Color.TRANSPARENT);

	ProgressBar progressBar = new ProgressBar(mContext);
	progressBar.setBackgroundColor(Color.TRANSPARENT);
	LayoutParams lParams1 = new LayoutParams(LayoutParams.WRAP_CONTENT,
			LayoutParams.WRAP_CONTENT);
	lParams1.gravity = Gravity.CENTER;
	progressBar.setLayoutParams(lParams1);
	addView(progressBar);
	TextView textView = new TextView(mContext);
	textView.setText(mMessage);
	LayoutParams lParams2 = new LayoutParams(LayoutParams.MATCH_PARENT,
			LayoutParams.WRAP_CONTENT);
	lParams2.gravity = Gravity.CENTER;
	lParams2.width = mScreenWidth;
	textView.setGravity(Gravity.CENTER);
	textView.setLayoutParams(lParams2);
	textView.setBackgroundColor(Color.TRANSPARENT);
	textView.setPadding(mMessagePadding, mMessagePadding, mMessagePadding, mMessagePadding);
	textView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, mTextSize);
	textView.setTextColor(0xffe5e5e5);
	addView(textView);
}

源代码10 项目： TwinklingRefreshLayout 文件： ProgressLayout.java

private void createProgressView() {
    mCircleView = new CircleImageView(getContext(), CIRCLE_BG_LIGHT, CIRCLE_DIAMETER / 2);
    mProgress = new MaterialProgressDrawable(getContext(), this);
    mProgress.setBackgroundColor(CIRCLE_BG_LIGHT);
    mCircleView.setImageDrawable(mProgress);
    mCircleView.setVisibility(View.GONE);
    LayoutParams params = new LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT, Gravity.CENTER);
    mCircleView.setLayoutParams(params);
    addView(mCircleView);
}

源代码11 项目： NavigationBar 文件： NavitationLayout.java

private void setTitles(Context context, String[] titles, final boolean smoothScroll)
{
    this.textViews = new TextView[titles.length];
    LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(0,LayoutParams.MATCH_PARENT);
    params.weight = 1;
    params.gravity = Gravity.CENTER;
    // 循环，根据标题栏动态生成TextView来显示标题，每个标题栏的宽度比例为1:1,其中的内容居中。
    for(int i = 0; i < titles.length; i++)
    {
        final int index = i;
        TextView textView = new TextView(context);
        textView.setText(titles[i]);
        textView.setGravity(Gravity.CENTER);
        textViews[i] = textView;
        textViews[i].setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                viewPager.setCurrentItem(index, smoothScroll);
                if(onTitleClickListener != null)
                {
                    onTitleClickListener.onTitleClick(v);
                }
            }
        });
        titleLayout.addView(textView, params);
    }
}

源代码12 项目： RxTools-master 文件： RxDialogAcfunVideoLoading.java

public RxDialogAcfunVideoLoading(Context context) {
    super(context);
    // TODO Auto-generated constructor stub
    View dialogView = LayoutInflater.from(context).inflate(
            R.layout.dialog_loading_progress_acfun_video, null);
    loading_progressBar = (ProgressBar) dialogView.findViewById(R.id.loading_progressBar);
    Random random = new Random();
    int number = Math.abs(random.nextInt() % loadingText.length);
    tv_reminder = (TextView) dialogView.findViewById(R.id.tv_reminder);
    tv_reminder.setText(loadingText[number]);
    setContentView(dialogView);
    getLayoutParams().gravity = Gravity.CENTER;
}

源代码13 项目： SwipeMenuAndRefresh 文件： PullToRefreshAdapterViewBase.java

private static FrameLayout.LayoutParams convertEmptyViewLayoutParams(ViewGroup.LayoutParams lp) {
	FrameLayout.LayoutParams newLp = null;

	if (null != lp) {
		newLp = new FrameLayout.LayoutParams(lp);

		if (lp instanceof LinearLayout.LayoutParams) {
			newLp.gravity = ((LinearLayout.LayoutParams) lp).gravity;
		} else {
			newLp.gravity = Gravity.CENTER;
		}
	}

	return newLp;
}

源代码14 项目： colorpicker 文件： ColorPickerView.java

private void initViews() {

        mImgWheel = new ImageView(getContext());
        if (mWheelDrawable != null) {
            mImgWheel.setImageDrawable(mWheelDrawable);
        }
        FrameLayout.LayoutParams wheelParams = new LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
        wheelParams.leftMargin= (int) dpToPx(getContext(),16);
        wheelParams.topMargin= (int) dpToPx(getContext(),16);
        wheelParams.rightMargin= (int) dpToPx(getContext(),16);
        wheelParams.bottomMargin= (int) dpToPx(getContext(),16);

        wheelParams.gravity = Gravity.CENTER;
        addView(mImgWheel, wheelParams);

        mImgThumb = new ImageView(getContext());
        if (mThumbDrawable != null) {
            mImgThumb.setImageDrawable(mThumbDrawable);
        }
        FrameLayout.LayoutParams thumbParams = new LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
        thumbParams.gravity = Gravity.CENTER;
        addView(mImgThumb, thumbParams);

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
            mImgThumb.setStateListAnimator(AnimatorInflater.loadStateListAnimator(getContext(), R.anim.raise));
            mImgThumb.setOutlineProvider(new ViewOutlineProvider() {
                @Override
                public void getOutline(View view, Outline outline) {
                    outline.setOval(0, 0, mImgThumb.getMeasuredWidth(), mImgThumb.getMeasuredHeight());
                }
            });
        }
    }

源代码15 项目： UltimateAndroid 文件： StretchViewActivity.java

public void showTable() {
    TableRow.LayoutParams layoutParams = new TableRow.LayoutParams(
            TableRow.LayoutParams.MATCH_PARENT,
            TableRow.LayoutParams.WRAP_CONTENT);
    layoutParams.gravity = Gravity.CENTER;
    layoutParams.leftMargin = 30;
    layoutParams.bottomMargin = 10;
    layoutParams.topMargin = 10;

    for (int i = 0; i < 40; i++) {
        TableRow tableRow = new TableRow(this);
        TextView textView = new TextView(this);
        textView.setText("Test stretch scroll view " + i);
        textView.setTextSize(20);
        textView.setPadding(15, 15, 15, 15);

        tableRow.addView(textView, layoutParams);
        if (i % 2 != 0) {
            tableRow.setBackgroundColor(Color.LTGRAY);
        } else {
            tableRow.setBackgroundColor(Color.WHITE);
        }

        final int n = i;
        tableRow.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Toast.makeText(StretchViewActivity.this, "Click item " + n, Toast.LENGTH_SHORT).show();
            }
        });

        mMainLayout.addView(tableRow);
    }
}

源代码16 项目： AndroidBasicProject 文件： BaseSplashActivity.java

/**
 * 创建启动时的界面Layout。
 *
 * @return 返回创建的界面Layout.
 */
private View createLayout() {
    FrameLayout layout = new FrameLayout(this);
    LayoutParams layoutParams = new LayoutParams(LayoutParams.MATCH_PARENT,
            LayoutParams.MATCH_PARENT);
    layout.setLayoutParams(layoutParams);
    layout.setBackgroundColor(getBackgroundColor());
    mSplashImage = new ImageView(this);
    FrameLayout.LayoutParams params = new FrameLayout.LayoutParams(
            FrameLayout.LayoutParams.MATCH_PARENT, FrameLayout.LayoutParams.MATCH_PARENT);
    params.gravity = Gravity.CENTER;
    layout.addView(mSplashImage, params);

    return layout;
}

源代码17 项目： xmpp 文件： BadgeView.java

private void applyLayoutParams() {
	
	FrameLayout.LayoutParams lp = new FrameLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
	
	switch (badgePosition) {
	case POSITION_TOP_LEFT:
		lp.gravity = Gravity.LEFT | Gravity.TOP;
		lp.setMargins(badgeMarginH, badgeMarginV, 0, 0);
		break;
	case POSITION_TOP_RIGHT:
		lp.gravity = Gravity.RIGHT | Gravity.TOP;
		lp.setMargins(0, badgeMarginV, badgeMarginH, 0);
		break;
	case POSITION_BOTTOM_LEFT:
		lp.gravity = Gravity.LEFT | Gravity.BOTTOM;
		lp.setMargins(badgeMarginH, 0, 0, badgeMarginV);
		break;
	case POSITION_BOTTOM_RIGHT:
		lp.gravity = Gravity.RIGHT | Gravity.BOTTOM;
		lp.setMargins(0, 0, badgeMarginH, badgeMarginV);
		break;
	case POSITION_CENTER:
		lp.gravity = Gravity.CENTER;
		lp.setMargins(0, 0, 0, 0);
		break;
	default:
		break;
	}
	
	setLayoutParams(lp);
	
}

源代码18 项目： UltimateAndroid 文件： SpringConfiguratorView.java

/**
 * Programmatically build up the view hierarchy to avoid the need for resources.
 *
 * @return View hierarchy
 */
private View generateHierarchy(Context context) {
    Resources resources = getResources();

    LayoutParams params;
    int fivePx = dpToPx(5, resources);
    int tenPx = dpToPx(10, resources);
    int twentyPx = dpToPx(20, resources);
    TableLayout.LayoutParams tableLayoutParams = new TableLayout.LayoutParams(
            0,
            ViewGroup.LayoutParams.WRAP_CONTENT,
            1f);
    tableLayoutParams.setMargins(0, 0, fivePx, 0);
    LinearLayout seekWrapper;

    FrameLayout root = new FrameLayout(context);
    params = createLayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, dpToPx(300, resources));
    root.setLayoutParams(params);

    FrameLayout container = new FrameLayout(context);
    params = createMatchParams();
    params.setMargins(0, twentyPx, 0, 0);
    container.setLayoutParams(params);
    container.setBackgroundColor(Color.argb(100, 0, 0, 0));
    root.addView(container);

    mSpringSelectorSpinner = new Spinner(context, Spinner.MODE_DIALOG);
    params = createMatchWrapParams();
    params.gravity = Gravity.TOP;
    params.setMargins(tenPx, tenPx, tenPx, 0);
    mSpringSelectorSpinner.setLayoutParams(params);
    container.addView(mSpringSelectorSpinner);

    LinearLayout linearLayout = new LinearLayout(context);
    params = createMatchWrapParams();
    params.setMargins(0, 0, 0, dpToPx(80, resources));
    params.gravity = Gravity.BOTTOM;
    linearLayout.setLayoutParams(params);
    linearLayout.setOrientation(LinearLayout.VERTICAL);
    container.addView(linearLayout);

    seekWrapper = new LinearLayout(context);
    params = createMatchWrapParams();
    params.setMargins(tenPx, tenPx, tenPx, twentyPx);
    seekWrapper.setPadding(tenPx, tenPx, tenPx, tenPx);
    seekWrapper.setLayoutParams(params);
    seekWrapper.setOrientation(LinearLayout.HORIZONTAL);
    linearLayout.addView(seekWrapper);

    mTensionSeekBar = new SeekBar(context);
    mTensionSeekBar.setLayoutParams(tableLayoutParams);
    seekWrapper.addView(mTensionSeekBar);

    mTensionLabel = new TextView(getContext());
    mTensionLabel.setTextColor(mTextColor);
    params = createLayoutParams(
            dpToPx(50, resources),
            ViewGroup.LayoutParams.MATCH_PARENT);
    mTensionLabel.setGravity(Gravity.CENTER_VERTICAL | Gravity.LEFT);
    mTensionLabel.setLayoutParams(params);
    mTensionLabel.setMaxLines(1);
    seekWrapper.addView(mTensionLabel);

    seekWrapper = new LinearLayout(context);
    params = createMatchWrapParams();
    params.setMargins(tenPx, tenPx, tenPx, twentyPx);
    seekWrapper.setPadding(tenPx, tenPx, tenPx, tenPx);
    seekWrapper.setLayoutParams(params);
    seekWrapper.setOrientation(LinearLayout.HORIZONTAL);
    linearLayout.addView(seekWrapper);

    mFrictionSeekBar = new SeekBar(context);
    mFrictionSeekBar.setLayoutParams(tableLayoutParams);
    seekWrapper.addView(mFrictionSeekBar);

    mFrictionLabel = new TextView(getContext());
    mFrictionLabel.setTextColor(mTextColor);
    params = createLayoutParams(dpToPx(50, resources), ViewGroup.LayoutParams.MATCH_PARENT);
    mFrictionLabel.setGravity(Gravity.CENTER_VERTICAL | Gravity.LEFT);
    mFrictionLabel.setLayoutParams(params);
    mFrictionLabel.setMaxLines(1);
    seekWrapper.addView(mFrictionLabel);

    View nub = new View(context);
    params = createLayoutParams(dpToPx(60, resources), dpToPx(40, resources));
    params.gravity = Gravity.TOP | Gravity.CENTER;
    nub.setLayoutParams(params);
    nub.setOnTouchListener(new OnNubTouchListener());
    nub.setBackgroundColor(Color.argb(255, 0, 164, 209));
    root.addView(nub);

    return root;
}

源代码19 项目： Bugstick 文件： Joystick.java

@Override
public LayoutParams generateDefaultLayoutParams() {
    return new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT, Gravity.CENTER);
}

源代码20 项目： Vidsta 文件： VidstaPlayer.java

@Override
protected void onFinishInflate() {
    super.onFinishInflate();
    videoPlayer.setOnPreparedListener(this);
    videoPlayer.setOnBufferingUpdateListener(this);
    videoPlayer.setOnCompletionListener(this);
    videoPlayer.setOnErrorListener(this);
    videoPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
    textureView = new TextureView(getContext());
    addView(textureView, new LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));

    LinearLayout rl = new LinearLayout(getContext());
    addView(rl, new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
    rl.setId(R.id.touchId);
    rl.setOnClickListener(this);

    LayoutInflater li = LayoutInflater.from(getContext());
    videoLoadingView = li.inflate(R.layout.layout_video_loading_view, this, false);
    addView(videoLoadingView);

    controlPlayPause = li.inflate(R.layout.layout_video_img_button_play_pause, this, false);
    controlSeekBar = li.inflate(R.layout.layout_video_seek_bar, this, false);
    FrameLayout.LayoutParams lp1 = (FrameLayout.LayoutParams) controlPlayPause.getLayoutParams();
    FrameLayout.LayoutParams lp2 = (FrameLayout.LayoutParams) controlSeekBar.getLayoutParams();

    lp1.gravity = Gravity.CENTER;
    lp2.gravity = Gravity.BOTTOM;

    addView(controlPlayPause, lp1);
    addView(controlSeekBar, lp2);

    imgBtnPlayPause = (ImageButton) controlPlayPause.findViewById(R.id.imageButtonPlayPauseRetry);
    imgBtnFullScreenToggle = (ImageButton) controlSeekBar.findViewById(R.id.imageButtonFullScreenToggle);
    tvPosition = (TextView) controlSeekBar.findViewById(R.id.textViewPosition);
    tvDuration = (TextView) controlSeekBar.findViewById(R.id.textViewDuration);
    proViewVideoLoading = (ProgressView) videoLoadingView.findViewById(R.id.proViewVideoLoading);
    seekBarDuration = (SeekBar) controlSeekBar.findViewById(R.id.seekBarDuration);
    imgBtnPlayPause.setImageDrawable(playVideoDrawable);

    imgBtnPlayPause.setOnClickListener(this);
    imgBtnFullScreenToggle.setOnClickListener(this);
    textureView.setSurfaceTextureListener(this);
    seekBarDuration.setOnSeekBarChangeListener(this);
    controlPlayPause.setVisibility(INVISIBLE);
    controlSeekBar.setVisibility(INVISIBLE);
    proViewVideoLoading.start();
    setUpVideoPlayer();
}