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

下面列出了android.widget.TextView#setAlpha ( ) 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： material-components-android 文件： IndicatorViewController.java

private void setCaptionViewVisibilities(
    @CaptionDisplayState int captionToHide, @CaptionDisplayState int captionToShow) {
  if (captionToHide == captionToShow) {
    return;
  }

  if (captionToShow != CAPTION_STATE_NONE) {
    TextView captionViewToShow = getCaptionViewFromDisplayState(captionToShow);
    if (captionViewToShow != null) {
      captionViewToShow.setVisibility(VISIBLE);
      captionViewToShow.setAlpha(1f);
    }
  }

  if (captionToHide != CAPTION_STATE_NONE) {
    TextView captionViewDisplayed = getCaptionViewFromDisplayState(captionToHide);
    if (captionViewDisplayed != null) {
      captionViewDisplayed.setVisibility(View.INVISIBLE);
      // Only set the caption text to null if it's the error.
      if (captionToHide == CAPTION_STATE_ERROR) {
        captionViewDisplayed.setText(null);
      }
    }
  }
  captionDisplayed = captionToShow;
}

源代码2 项目： SpinningTabStrip 文件： SpinningTabStrip.java

private void addTab(final int position, CharSequence title, View tabView) {
    TextView tabTitle = (TextView) tabView.findViewById(R.id.tab_title);
    if (tabTitle != null) {
        if (title != null) {
            tabTitle.setText(title);
        }
        float alpha = pager.getCurrentItem() == position ? tabTextSelectedAlpha : tabTextAlpha;
        tabTitle.setAlpha(alpha);
    }

    tabView.setFocusable(true);
    tabView.setOnClickListener(new OnClickListener() {
        @Override
        public void onClick(View v) {
            if (pager.getCurrentItem() != position) {
                notSelectedItem(pager.getCurrentItem());
                pager.setCurrentItem(position % tabCount);
            } else if (tabReselectedListener != null) {
                tabReselectedListener.onTabReselected(position);
            }
        }
    });

    tabsContainer.addView(tabView, position,
            shouldExpand ? expandedTabLayoutParams : defaultTabLayoutParams);
}

源代码3 项目： SensorTag-CC2650 文件： CloudProfileConfigurationDialogFragment.java

public void enDisBrokerAddressPort(boolean en,String brokerAddress, String brokerPort) {
    TextView t = (TextView)v.findViewById(R.id.cloud_broker_address_label);
    EditText e = (EditText)v.findViewById(R.id.cloud_broker_address);
    TextView tP = (TextView)v.findViewById(R.id.cloud_broker_port_label);
    EditText eP = (EditText)v.findViewById(R.id.cloud_broker_port);

    e.setEnabled(en);
    eP.setEnabled(en);
    e.setText(brokerAddress);
    eP.setText(brokerPort);
    if (en) {
        t.setAlpha(1.0f);
        e.setAlpha(1.0f);
        tP.setAlpha(1.0f);
        eP.setAlpha(1.0f);
    }
    else {
        t.setAlpha(0.4f);
        tP.setAlpha(0.4f);
        e.setAlpha(0.4f);
        eP.setAlpha(0.4f);
    }
}

源代码4 项目： SensorTag-CC2650 文件： CloudProfileConfigurationDialogFragment.java

public void enDisTopic(boolean en, String topic) {
    TextView t = (TextView)v.findViewById(R.id.cloud_publish_topic_label);
    EditText e = (EditText)v.findViewById(R.id.cloud_publish_topic);

    e.setEnabled(en);
    e.setText(topic);

    if (en) {
        t.setAlpha(1.0f);
        e.setAlpha(1.0f);
    }
    else {
        t.setAlpha(0.4f);
        e.setAlpha(0.4f);
    }
}

源代码5 项目： ZoomHeaderViewPager 文件： ViewPagerHeader.java

private TextView createHeaderItem(int position, String headerText) {

        TextView header = new TextView(getContext());
        LayoutParams linearParams = new LayoutParams(headerWidth / headerPerView, LayoutParams.WRAP_CONTENT);
        header.setLayoutParams(linearParams);

        header.setScaleX(textViewAttr.getHvMinScale());
        header.setScaleY(textViewAttr.getHvMinScale());
        header.setAlpha(textViewAttr.getHvTextAlpha());
        header.setTextColor(textViewAttr.getHvTextColor());
        header.setPadding(0, (int) textViewAttr.getHvPadding(), 0, (int) textViewAttr.getHvPadding());

        header.setMaxLines(1);
        header.setGravity(Gravity.CENTER);
        header.setEllipsize(TextUtils.TruncateAt.END);
        header.setText(headerText);
        header.setTextSize(TypedValue.COMPLEX_UNIT_PX, textViewAttr.getHvTextSize());

        textViews[position] = header;

        return header;
    }

源代码6 项目： android-proguards 文件： HomeActivity.java

private void animateToolbar() {
    // this is gross but toolbar doesn't expose it's children to animate them :(
    View t = toolbar.getChildAt(0);
    if (t != null && t instanceof TextView) {
        TextView title = (TextView) t;

        // fade in and space out the title.  Animating the letterSpacing performs horribly so
        // fake it by setting the desired letterSpacing then animating the scaleX ¯\_(ツ)_/¯
        title.setAlpha(0f);
        title.setScaleX(0.8f);

        title.animate()
                .alpha(1f)
                .scaleX(1f)
                .setStartDelay(300)
                .setDuration(900)
                .setInterpolator(AnimUtils.getFastOutSlowInInterpolator(this));
    }
}

源代码7 项目： 365browser 文件： SnackbarView.java

private void setViewText(TextView view, CharSequence text, boolean animate) {
    if (view.getText().toString().equals(text)) return;
    view.animate().cancel();
    if (animate) {
        view.setAlpha(0.0f);
        view.setText(text);
        view.animate().alpha(1.f).setDuration(mAnimationDuration).setListener(null);
    } else {
        view.setText(text);
    }
}

源代码8 项目： SpinningTabStrip 文件： SpinningTabStrip.java

private void notSelected(View tab) {
    TextView title = (TextView) tab.findViewById(R.id.tab_title);
    if (title != null) {
        title.setTypeface(tabTypeface, tabTypefaceStyle);
        title.setAlpha(tabTextAlpha);
    }
}

源代码9 项目： ListViewVariants 文件： IndexedPinnedHeaderListViewAdapter.java

@Override
public void configurePinnedHeader(final View v,final int position,final int alpha)
  {
  final TextView header=(TextView)v;
  final int sectionIndex=getSectionForPosition(position);
  final Object[] sections=getSections();
  if(sections!=null&&sections.length!=0)
    {
    final CharSequence title=getSectionTitle(sectionIndex);
    header.setText(title);
    }
  if(VERSION.SDK_INT<VERSION_CODES.HONEYCOMB)
    if(alpha==255)
      {
      header.setBackgroundColor(_pinnedHeaderBackgroundColor);
      header.setTextColor(_pinnedHeaderTextColor);
      }
    else
      {
      header.setBackgroundColor(Color.argb(alpha,Color.red(_pinnedHeaderBackgroundColor),
          Color.green(_pinnedHeaderBackgroundColor),Color.blue(_pinnedHeaderBackgroundColor)));
      header.setTextColor(Color.argb(alpha,Color.red(_pinnedHeaderTextColor),
          Color.green(_pinnedHeaderTextColor),Color.blue(_pinnedHeaderTextColor)));
      }
  else
    {
    header.setBackgroundColor(_pinnedHeaderBackgroundColor);
    header.setTextColor(_pinnedHeaderTextColor);
    header.setAlpha(alpha/255.0f);
    }
  }

源代码10 项目： SensorTag-CC2650 文件： CloudProfileConfigurationDialogFragment.java

public void enDisPassword (boolean enable,String password) {
    TextView t = (TextView)v.findViewById(R.id.cloud_password_label);
    EditText e = (EditText)v.findViewById(R.id.cloud_password);
    e.setEnabled(enable);
    e.setText(password);
    if (enable) {
        t.setAlpha(1.0f);
        e.setAlpha(1.0f);
    }
    else {
        t.setAlpha(0.4f);
        e.setAlpha(0.4f);
    }

}

源代码11 项目： Telegram 文件： PasscodeView.java

@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
    if (dotRunnable != null) {
        AndroidUtilities.cancelRunOnUIThread(dotRunnable);
        dotRunnable = null;
    }
    if (currentAnimation != null) {
        currentAnimation.cancel();
        currentAnimation = null;
    }

    for (int a = 0; a < 4; a++) {
        if (a < stringBuilder.length()) {
            TextView textView = characterTextViews.get(a);
            textView.setAlpha(0);
            textView.setScaleX(1);
            textView.setScaleY(1);
            textView.setTranslationY(0);
            textView.setTranslationX(getXForTextView(a));

            textView = dotTextViews.get(a);
            textView.setAlpha(1);
            textView.setScaleX(1);
            textView.setScaleY(1);
            textView.setTranslationY(0);
            textView.setTranslationX(getXForTextView(a));
        } else {
            characterTextViews.get(a).setAlpha(0);
            dotTextViews.get(a).setAlpha(0);
        }
    }
    super.onLayout(changed, left, top, right, bottom);
}

源代码12 项目： AndroidChromium 文件： SnackbarView.java

private void setViewText(TextView view, CharSequence text, boolean animate) {
    if (view.getText().toString().equals(text)) return;
    view.animate().cancel();
    if (animate) {
        view.setAlpha(0.0f);
        view.setText(text);
        view.animate().alpha(1.f).setDuration(mAnimationDuration).setListener(null);
    } else {
        view.setText(text);
    }
}

源代码13 项目： emojilike-android 文件： EmojiCellView.java

@Override
public void onWeightAnimated(float animationPercent)
{
    TextView descriptionLabel=findViewById(R.id.descriptionLabel);
    descriptionLabel.setAlpha(animationPercent);

    LinearLayout.LayoutParams params=new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT,
            (int)(animationPercent*getResources().getDimensionPixelSize(R.dimen.default_emoji_description_label_height)));
    params.bottomMargin=getResources().getDimensionPixelSize(R.dimen.default_emoji_description_label_bottom_margin);
    params.gravity=Gravity.CENTER_HORIZONTAL;
    descriptionLabel.setLayoutParams(params);
}

源代码14 项目： WebRTCDemo 文件： AppRTCDemoActivity.java

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

  Thread.setDefaultUncaughtExceptionHandler(
      new UnhandledExceptionHandler(this));

  getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
  getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);

  Point displaySize = new Point();
  getWindowManager().getDefaultDisplay().getRealSize(displaySize);

  vsv = new AppRTCGLView(this, displaySize);
  VideoRendererGui.setView(vsv);
  remoteRender = VideoRendererGui.create(0, 0, 100, 100);
  localRender = VideoRendererGui.create(70, 5, 25, 25);

  vsv.setOnClickListener(new View.OnClickListener() {
      @Override public void onClick(View v) {
        toggleHUD();
      }
    });
  setContentView(vsv);
  logAndToast("Tap the screen to toggle stats visibility");

  hudView = new TextView(this);
  hudView.setTextColor(Color.BLACK);
  hudView.setBackgroundColor(Color.WHITE);
  hudView.setAlpha(0.4f);
  hudView.setTextSize(TypedValue.COMPLEX_UNIT_PT, 5);
  hudView.setVisibility(View.INVISIBLE);
  addContentView(hudView, hudLayout);

  if (!factoryStaticInitialized) {
    abortUnless(PeerConnectionFactory.initializeAndroidGlobals(
        this, true, true),
      "Failed to initializeAndroidGlobals");
    factoryStaticInitialized = true;
  }

  AudioManager audioManager =
      ((AudioManager) getSystemService(AUDIO_SERVICE));
  // TODO(fischman): figure out how to do this Right(tm) and remove the
  // suppression.
  @SuppressWarnings("deprecation")
  boolean isWiredHeadsetOn = audioManager.isWiredHeadsetOn();
  audioManager.setMode(isWiredHeadsetOn ?
      AudioManager.MODE_IN_CALL : AudioManager.MODE_IN_COMMUNICATION);
  audioManager.setSpeakerphoneOn(!isWiredHeadsetOn);

  sdpMediaConstraints = new MediaConstraints();
  sdpMediaConstraints.mandatory.add(new MediaConstraints.KeyValuePair(
      "OfferToReceiveAudio", "true"));
  sdpMediaConstraints.mandatory.add(new MediaConstraints.KeyValuePair(
      "OfferToReceiveVideo", "true"));

  final Intent intent = getIntent();
  if ("android.intent.action.VIEW".equals(intent.getAction())) {
    connectToRoom(intent.getData().toString());
    return;
  }
  showGetRoomUI();
}

源代码15 项目： LemonHello4Android 文件： LemonHelloView.java

/**
 * 初始化公共的控件
 */
private void initCommonView() {
    // 实例化灰色半透明蒙版控件
    _backMaskView = new View(_context);
    _backMaskView.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            if (_currentInfo.getEventDelegate() != null)
                _currentInfo.getEventDelegate().onMaskTouch(LemonHelloView.this, _currentInfo);
        }
    });
    // 设置全屏宽
    _backMaskView.setLayoutParams(new RelativeLayout.LayoutParams(_PST.dpToPx(_PST.screenWidthDp()), _PST.dpToPx(_PST.screenHeightDp())));
    _rootLayout.setAlpha(0);// 设置全透明，也就是默认不可见，后期通过动画改变来显示

    // 实例化内容面板控件
    _contentPanel = new LemonHelloPanel(_context);
    _contentPanel.setX(_PST.dpToPx((int) (_PST.screenWidthDp() / 2.0)));
    _contentPanel.setY(_PST.dpToPx((int) (_PST.screenHeightDp() / 2.0)));

    // 实例化内容面板控件的布局
    _contentLayout = new RelativeLayout(_context);

    // 实例化绘图动画和帧图片显示的控件
    _paintView = new LemonPaintView(_context);

    // 实例化标题显示标签控件
    _titleView = new TextView(_context);
    _titleView.setX(0);
    _titleView.setY(0);
    _titleView.setGravity(Gravity.CENTER);

    _contentView = new TextView(_context);
    _contentView.setX(0);
    _contentView.setY(0);
    _contentView.setGravity(Gravity.CENTER);

    _actionContainer = new RelativeLayout(_context);
    _actionContainer.setX(0);
    _actionContainer.setY(0);

    _contentView.setAlpha(0);
    _titleView.setAlpha(0);
    _contentPanel.setAlpha(0);

    // 把所有控件添加到根视图上
    _rootLayout.addView(_backMaskView);// 半透明灰色背景
    _rootLayout.addView(_contentPanel);// 主内容面板
    _contentPanel.addView(_contentLayout);
    _contentLayout.addView(_paintView);// 动画和帧图标显示控件放置到内容面板上
    _contentLayout.addView(_titleView);// 标题显示标签控件放置到内容面板上
    _contentLayout.addView(_contentView);// 正文内容显示标签控件放到内容面板上
    _contentLayout.addView(_actionContainer);// action事件容器放到内容面板中
}

源代码16 项目： CustomizableCalendar 文件： MonthAdapter.java

@Override
public View getView(int position, View view, ViewGroup parent) {
    final CalendarItem currentItem = days.get(position);

    if (view == null) {
        LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        view = inflater.inflate(layoutResId, null);
    }

    if (viewInteractor != null && viewInteractor.hasImplementedMonthCellBinding()) {
        view = viewInteractor.onMonthCellBindView(view, currentItem);
    } else {
        final TextView dayView = view.findViewById(android.R.id.title);
        final View background = view.findViewById(android.R.id.background);
        final View startSelectionView = view.findViewById(android.R.id.startSelectingText);
        final View endSelectionView = view.findViewById(android.R.id.stopSelectingText);

        startSelectionView.setVisibility(View.GONE);
        endSelectionView.setVisibility(View.GONE);

        if (currentItem == null) {
            background.setBackground(null);
            dayView.setText(null);
        } else if (currentItem.compareTo(calendar.getFirstMonth().withMillisOfDay(0)) < 0) {
            currentItem.setSelectable(false);
            background.setBackground(null);
            dayView.setTextColor(Color.BLACK);
            dayView.setText(currentItem.getDayString());
            dayView.setAlpha(0.6f);
        } else {
            currentItem.setSelectable(true);
            dayView.setAlpha(1f);
            Integer backgroundResource = null;
            if (firstSelectedDay != null) {
                int startSelectedCompared = currentItem.compareTo(firstSelectedDay);
                if (!multipleSelection) {
                    if (startSelectedCompared == 0) {
                        backgroundResource = R.drawable.empty_circle;
                    }
                } else if (startSelectedCompared == 0) {
                    if (lastSelectedDay == null || lastSelectedDay.equals(currentItem.getDateTime())) {
                        backgroundResource = R.drawable.circle;
                    } else {
                        backgroundResource = R.drawable.left_rounded_rectangle;
                        endSelectionView.setVisibility(View.VISIBLE);
                    }
                } else if (startSelectedCompared > 0 && lastSelectedDay != null) {
                    int endSelectedCompared = currentItem.compareTo(lastSelectedDay);
                    if (endSelectedCompared == 0) {
                        backgroundResource = R.drawable.right_rounded_rectangle;
                        startSelectionView.setVisibility(View.VISIBLE);
                    } else if (endSelectedCompared < 0) {
                        backgroundResource = R.drawable.rectangle;
                        startSelectionView.setVisibility(View.VISIBLE);
                        endSelectionView.setVisibility(View.VISIBLE);
                    }
                }
            }

            int color = Color.BLACK;
            if (backgroundResource != null) {
                background.setBackgroundResource(backgroundResource);
                if (multipleSelection) {
                    color = Color.WHITE;
                }
            } else {
                background.setBackground(null);
            }

            dayView.setTextColor(color);
            dayView.setText(currentItem.getDayString());
        }
    }

    return view;
}

源代码17 项目： Status 文件： BasePreferenceData.java

public void onBindViewHolder(final ViewHolder holder, int position) {
    if (identifier != null) {
        final TextView title = holder.v.findViewById(R.id.title);
        TextView subtitle = holder.v.findViewById(R.id.subtitle);
        AppCompatCheckBox checkBox = holder.v.findViewById(R.id.checkBox);

        if (title != null)
            title.setText(identifier.getTitle());
        if (subtitle != null) {
            String text = identifier.getSubtitle();
            if (text.length() > 0) {
                subtitle.setVisibility(View.VISIBLE);
                subtitle.setText(text);
            } else subtitle.setVisibility(View.GONE);
        }

        if (checkBox != null) {
            checkBox.setVisibility(isNullable ? View.VISIBLE : View.GONE);
            if (isNullable) {
                Object value = identifier.getPreferenceValue(getContext());
                boolean isNonNull = value != null && !value.equals(nullValue);

                if (title != null)
                    title.setAlpha(isNonNull ? 1 : 0.5f);

                checkBox.setOnCheckedChangeListener(null);
                checkBox.setChecked(isNonNull);
                checkBox.setOnCheckedChangeListener((buttonView, isChecked) -> {
                    if (title != null)
                        title.animate().alpha(isChecked ? 1 : 0.5f).start();

                    if (isChecked)
                        onClick(holder.itemView);
                    else {
                        identifier.setPreferenceValue(getContext(), null);
                        onPreferenceChange(null);
                    }

                    onBindViewHolder(holder, -1);
                });
            }
        }
    }

    holder.v.setOnClickListener(this);
}

源代码18 项目： droidkit-webrtc 文件： AppRTCDemoActivity.java

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

  Thread.setDefaultUncaughtExceptionHandler(
      new UnhandledExceptionHandler(this));

  getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
  getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);

  Point displaySize = new Point();
  getWindowManager().getDefaultDisplay().getRealSize(displaySize);

  vsv = new AppRTCGLView(this, displaySize);
  VideoRendererGui.setView(vsv);
  remoteRender = VideoRendererGui.create(0, 0, 100, 100);
  localRender = VideoRendererGui.create(70, 5, 25, 25);

  vsv.setOnClickListener(new View.OnClickListener() {
      @Override public void onClick(View v) {
        toggleHUD();
      }
    });
  setContentView(vsv);
  logAndToast("Tap the screen to toggle stats visibility");

  hudView = new TextView(this);
  hudView.setTextColor(Color.BLACK);
  hudView.setBackgroundColor(Color.WHITE);
  hudView.setAlpha(0.4f);
  hudView.setTextSize(TypedValue.COMPLEX_UNIT_PT, 5);
  hudView.setVisibility(View.INVISIBLE);
  addContentView(hudView, hudLayout);

  if (!factoryStaticInitialized) {
    abortUnless(PeerConnectionFactory.initializeAndroidGlobals(
        this, true, true),
      "Failed to initializeAndroidGlobals");
    factoryStaticInitialized = true;
  }

  AudioManager audioManager =
      ((AudioManager) getSystemService(AUDIO_SERVICE));
  // TODO(fischman): figure out how to do this Right(tm) and remove the
  // suppression.
  @SuppressWarnings("deprecation")
  boolean isWiredHeadsetOn = audioManager.isWiredHeadsetOn();
  audioManager.setMode(isWiredHeadsetOn ?
      AudioManager.MODE_IN_CALL : AudioManager.MODE_IN_COMMUNICATION);
  audioManager.setSpeakerphoneOn(!isWiredHeadsetOn);

  sdpMediaConstraints = new MediaConstraints();
  sdpMediaConstraints.mandatory.add(new MediaConstraints.KeyValuePair(
      "OfferToReceiveAudio", "true"));
  sdpMediaConstraints.mandatory.add(new MediaConstraints.KeyValuePair(
      "OfferToReceiveVideo", "true"));

  final Intent intent = getIntent();
  if ("android.intent.action.VIEW".equals(intent.getAction())) {
    connectToRoom(intent.getData().toString());
    return;
  }
  showGetRoomUI();
}

源代码19 项目： xDrip 文件： XDripDreamService.java

@Override
public void onDreamingStarted() {
    super.onDreamingStarted();

    if (use_gravity) {
        mSensorManager.registerListener(
                this,
                gravitySensor,
                SensorManager.SENSOR_DELAY_NORMAL);
    }

    final DisplayMetrics dm = new DisplayMetrics();
    getWindowManager().getDefaultDisplay().getMetrics(dm);
    int screen_width = dm.widthPixels;
    int screen_height = dm.heightPixels;

    // TODO test on various screens

    double screen_scale = (dm.densityDpi / 160f);
    graph_width = (int) (230 * screen_scale);
    graph_height = (int) (128 * screen_scale);
    int widget_width = (int) (180 * screen_scale);
    int widget_height = (int) (100 * screen_scale);
    Log.d(TAG, "Width: " + graph_width + " Height: " + graph_height);

    // sanity check
    if (graph_height >= screen_height) graph_height = screen_height - 20;
    if (graph_width >= screen_width) graph_width = screen_width - 20;
    if (widget_height >= screen_height) widget_height = screen_height - 20;
    if (widget_width >= screen_width) widget_width = screen_width - 20;

    final FrameLayout.LayoutParams gl = new FrameLayout.LayoutParams(graph_width, graph_height);

    final FrameLayout.LayoutParams lp = new FrameLayout.LayoutParams(150, 150);

    mBouncer = new Bouncer(this);
    mBouncer.setLayoutParams(new ViewGroup.LayoutParams(MATCH_PARENT, MATCH_PARENT));
    mBouncer.setSpeed(0.1f);


    graphimage = new ImageView(this);
    updateGraph();
    //  image.setBackgroundColor(0xFF004000);
    mBouncer.addView(graphimage, gl);

    for (int i = 0; i < 1; i++) {
        image = new ImageView(this);
        image.setImageResource(R.drawable.ic_launcher);
        image.setAlpha(0.3f);
        //  image.setBackgroundColor(0xFF004000);
        mBouncer.addView(image, lp);
    }

    // final View tv = new View(this);
    final LayoutInflater inflater = LayoutInflater.from(this);
    inflatedLayout = inflater.inflate(R.layout.x_drip_widget, null, false);

    inflatedLayout.setBackgroundColor(Color.TRANSPARENT);
    //frame = inflatedLayout.findViewById(R.id.widgetLinear);
    widgetbg = (TextView) inflatedLayout.findViewById(R.id.widgetBg);
    widgetArrow = (TextView) inflatedLayout.findViewById(R.id.widgetArrow);
    widgetDelta = (TextView) inflatedLayout.findViewById(R.id.widgetDelta);
    widgetStatusLine = (TextView) inflatedLayout.findViewById(R.id.widgetStatusLine);
    widgetReadingAge = (TextView) inflatedLayout.findViewById(R.id.readingAge);

    final float alpha = 0.6f;
    widgetbg.setAlpha(alpha);
    widgetArrow.setAlpha(alpha);
    widgetDelta.setAlpha(alpha);
    widgetReadingAge.setAlpha(alpha);

    keep_running = true;
    if (!updated) {
        mainHandler.post(mRunnable);
    }

    mBouncer.addView(inflatedLayout, new FrameLayout.LayoutParams(widget_width, widget_height));

    setContentView(mBouncer);
    if (Build.VERSION.SDK_INT >= 21) {
        try {
            getWindow().setNavigationBarColor(Color.BLACK);
            getWindow().setStatusBarColor(Color.BLACK);
        } catch (Exception e) {
            //
        }
    }

}

源代码20 项目： xDrip-plus 文件： XDripDreamService.java

@Override
public void onDreamingStarted() {
    super.onDreamingStarted();

    if (use_gravity) {
        mSensorManager.registerListener(
                this,
                gravitySensor,
                SensorManager.SENSOR_DELAY_NORMAL);
    }

    final DisplayMetrics dm = new DisplayMetrics();
    getWindowManager().getDefaultDisplay().getMetrics(dm);
    int screen_width = dm.widthPixels;
    int screen_height = dm.heightPixels;

    // TODO test on various screens

    double screen_scale = (dm.densityDpi / 160f);
    graph_width = (int) (230 * screen_scale);
    graph_height = (int) (128 * screen_scale);
    int widget_width = (int) (180 * screen_scale);
    int widget_height = (int) (100 * screen_scale);
    Log.d(TAG, "Width: " + graph_width + " Height: " + graph_height);

    // sanity check
    if (graph_height >= screen_height) graph_height = screen_height - 20;
    if (graph_width >= screen_width) graph_width = screen_width - 20;
    if (widget_height >= screen_height) widget_height = screen_height - 20;
    if (widget_width >= screen_width) widget_width = screen_width - 20;

    final FrameLayout.LayoutParams gl = new FrameLayout.LayoutParams(graph_width, graph_height);

    final FrameLayout.LayoutParams lp = new FrameLayout.LayoutParams(150, 150);

    mBouncer = new Bouncer(this);
    mBouncer.setLayoutParams(new ViewGroup.LayoutParams(MATCH_PARENT, MATCH_PARENT));
    mBouncer.setSpeed(0.1f);


    graphimage = new ImageView(this);
    updateGraph();
    //  image.setBackgroundColor(0xFF004000);
    mBouncer.addView(graphimage, gl);

    for (int i = 0; i < 1; i++) {
        image = new ImageView(this);
        image.setImageResource(R.drawable.ic_launcher);
        image.setAlpha(0.3f);
        //  image.setBackgroundColor(0xFF004000);
        mBouncer.addView(image, lp);
    }

    // final View tv = new View(this);
    final LayoutInflater inflater = LayoutInflater.from(this);
    inflatedLayout = inflater.inflate(R.layout.x_drip_widget, null, false);

    inflatedLayout.setBackgroundColor(Color.TRANSPARENT);
    //frame = inflatedLayout.findViewById(R.id.widgetLinear);
    widgetbg = (TextView) inflatedLayout.findViewById(R.id.widgetBg);
    widgetArrow = (TextView) inflatedLayout.findViewById(R.id.widgetArrow);
    widgetDelta = (TextView) inflatedLayout.findViewById(R.id.widgetDelta);
    widgetStatusLine = (TextView) inflatedLayout.findViewById(R.id.widgetStatusLine);
    widgetReadingAge = (TextView) inflatedLayout.findViewById(R.id.readingAge);

    final float alpha = 0.6f;
    widgetbg.setAlpha(alpha);
    widgetArrow.setAlpha(alpha);
    widgetDelta.setAlpha(alpha);
    widgetReadingAge.setAlpha(alpha);

    keep_running = true;
    if (!updated) {
        mainHandler.post(mRunnable);
    }

    mBouncer.addView(inflatedLayout, new FrameLayout.LayoutParams(widget_width, widget_height));

    setContentView(mBouncer);
    if (Build.VERSION.SDK_INT >= 21) {
        try {
            getWindow().setNavigationBarColor(Color.BLACK);
            getWindow().setStatusBarColor(Color.BLACK);
        } catch (Exception e) {
            //
        }
    }

}

方法所在类

android.widget.TextView