Java ColorDrawable.setAlpha方法代码示例

import android.graphics.drawable.ColorDrawable; //导入方法依赖的package包/类
private void setImageBitmap(Bitmap bitmap) {
    if (bitmap != null) {

        // menu 中有图标时要通过 getHeaderView 查找子 view
        View headerView = navigationView.getHeaderView(0);
        ImageView iv = (ImageView) headerView.findViewById(R.id.main_left_nav_image);
        iv.setImageBitmap(bitmap);

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            ColorDrawable cd = new ColorDrawable(Color.BLACK);
            int alpha = appPreference.getImageWallAlpha();
            cd.setAlpha(alpha);
            iv.setForeground(cd);
        }

        Animation animation = AnimationUtils.loadAnimation(activity, android.R.anim.fade_in);
        iv.startAnimation(animation);
    }

}
 

import android.graphics.drawable.ColorDrawable; //导入方法依赖的package包/类
@Override
public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
    super.onViewCreated(view, savedInstanceState);
    mSearchView = (FloatingSearchView) view.findViewById(R.id.floating_search_view);
    mHeaderView = (TextView)view.findViewById(R.id.header_view);

    mSearchResultsList = (RecyclerView) view.findViewById(R.id.search_results_list);

    mDimSearchViewBackground = view.findViewById(R.id.dim_background);
    mDimDrawable = new ColorDrawable(Color.BLACK);
    mDimDrawable.setAlpha(0);
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
        mDimSearchViewBackground.setBackground(mDimDrawable);
    }else {
        mDimSearchViewBackground.setBackgroundDrawable(mDimDrawable);
    }
    smar_group_id = checkSmarGroup();
    isFocus = false;
    setupFloatingSearch();
    setupResultsList();
    setupDrawer();
    Typeface font = Typeface.createFromAsset(getActivity().getAssets(), "fonts/league.ttf");
    mHeaderView.setTypeface(font);
}
 

import android.graphics.drawable.ColorDrawable; //导入方法依赖的package包/类
@Override
public void themeChange(ThemeEnum themeEnum, int[] colors) {

    int[] cs = ColorUtils.get10ThemeColors(activity, themeEnum);

    int statusC = cs[0];
    int toolbarC = cs[1];
    int accentC = cs[2];
    int mainBC = cs[3];
    int vicBC = cs[4];
    int mainTC = cs[5];
    int vicTC = cs[6];
    int navC = cs[7];
    int toolbarMainTC = cs[8];
    int toolbarVicTC = cs[9];

    listViewsController.themeChange(themeEnum, cs);

    mContainer.setBackgroundColor(navC);
    mName.setTextColor(mainTC);
    mArts.setTextColor(vicTC);

    mPlay.setPauseLineColor(mainTC);
    mPlay.setSolidColor(mainTC);
    mPlay.setTriangleColor(mainTC);

    mProgress.setBackgroundColor(accentC);

    ColorDrawable cd = new ColorDrawable(vicBC);
    cd.setAlpha(200);
    mProgressBG.setBackground(cd);

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        mShowList.getDrawable().setTint(mainTC);
    }
}
 

import android.graphics.drawable.ColorDrawable; //导入方法依赖的package包/类
public static void showDetailDialog(Activity activity, SongInfo info) {
    DialogProvider manager = new DialogProvider(activity);

    String[] infos = new String[7];
    infos[0] = "歌曲：" + info.getTitle();
    infos[1] = "歌手：" + info.getArtist();
    infos[2] = "专辑：" + info.getAlbum();
    infos[3] = "时长：" + StringUtils.getGenTimeMS((int) info.getDuration());
    infos[4] = "格式：" + info.getMime_type();
    infos[5] = "大小：" + String.valueOf(info.getSize() >> 10 >> 10) + " MB";
    infos[6] = "路径：" + info.getData();

    View view = activity.getLayoutInflater().inflate(R.layout.list_image, null);
    ListView listView = (ListView) view.findViewById(R.id.list_image_list);
    ImageView imageView = (ImageView) view.findViewById(R.id.list_image_image);
    listView.setAdapter(new ArrayAdapter<String>(
            activity,
            R.layout.text_view_start,
            infos
    ));

    Bitmap b = BitmapUtils.bitmapResizeFromFile(
            info.getAlbum_path(),
            imageView.getWidth(),
            imageView.getHeight());
    if (b == null) {
        b = BitmapUtils.getDefaultPictureForAlbum(activity, imageView.getWidth(), imageView.getHeight());
    }

    if (b != null) {
        imageView.setImageBitmap(b);
    }

    ColorDrawable drawable = new ColorDrawable(Color.WHITE);
    drawable.setAlpha(245);
    listView.setBackground(drawable);

    manager.createFullyCustomDialog(view, "歌曲信息").show();
}
 

import android.graphics.drawable.ColorDrawable; //导入方法依赖的package包/类
/**
 * 重置背景和文字颜色
 */
public void resetDefaultBackgroundAndTextColor() {
    defaultTextColor = Color.WHITE;
    defaultBackgroundColor = new ColorDrawable(Color.BLACK);
    defaultBackgroundColor.setAlpha(200);
    defaultBackgroundResid = null;
}
 

import android.graphics.drawable.ColorDrawable; //导入方法依赖的package包/类
public SlideFinishLayout(Context context, AttributeSet attrs) {
    super(context, attrs);

    mTouchSlop = ViewConfiguration.get(context).getScaledTouchSlop();

    mEdgeSlop = ViewConfiguration.get(context).getScaledEdgeSlop();

    mScroller = new Scroller(context);

    if (context instanceof Activity) {
        window = ((Activity) context).getWindow();
        
        backDrawable = new ColorDrawable(getResources().getColor(R.color.black));
        backDrawable.setAlpha((int) (255 * 0.4));
        window.setBackgroundDrawable(backDrawable);
    }

  
    this.setBackgroundResource(R.color.white);
}
 

import android.graphics.drawable.ColorDrawable; //导入方法依赖的package包/类
public void updateColors(int color, boolean isVarying) {

        ColorDrawable bd = new ColorDrawable(color);
        bd.setAlpha(100);
        mListTitleContainer.setBackground(bd);

        int colorA = ColorUtils.setAlphaComponent(color, 235);
        mViewRoot.setCardBackgroundColor(colorA);

        ThemeEnum t;
        if (com.duan.musicoco.util.ColorUtils.isBrightSeriesColor(colorA)) {
            t = WHITE;
        } else {
            t = DARK;
        }

        int cs[];
        switch (t) {
            case WHITE: {
                if (isVarying) {
                    cs = com.duan.musicoco.util.ColorUtils.get2ColorWhiteThemeForPlayOptions(activity);
                } else {
                    cs = com.duan.musicoco.util.ColorUtils.get2WhiteThemeTextColor(activity);
                }
                break;
            }
            case DARK:
            default: {
                if (isVarying) {
                    cs = com.duan.musicoco.util.ColorUtils.get2ColorDarkThemeForPlayOptions(activity);
                } else {
                    cs = com.duan.musicoco.util.ColorUtils.get2DarkThemeTextColor(activity);
                }
                break;
            }
        }
        songOption.setDrawableColor(cs[0]);
        listOption.setDrawableColor(cs[0]);

        if (playListAdapter != null) {
            playListAdapter.setMainTextColor(cs[0]);
            playListAdapter.setVicTextColor(cs[1]);
        }

        listOption.updateColors();
        songOption.updateColors();

    }
 

import android.graphics.drawable.ColorDrawable; //导入方法依赖的package包/类
/**
 * 设置默认背景颜色
 *
 * @param color 颜色值
 * @param alpha 透明度
 */
public void setDefaultBackgroundColor(int color, Integer alpha) {
    defaultBackgroundColor = new ColorDrawable(color);
    if (alpha != null) defaultBackgroundColor.setAlpha(alpha);
    defaultBackgroundResid = null;
}