ss按时发翁二无热若无

的是第三方

package android.view;import android.annotation.StyleRes;import android.content.Context;import android.content.ContextWrapper;import android.content.res.Configuration;import android.content.res.Resources;/** * A ContextWrapper that allows you to modify the theme from what is in the  * wrapped context.  */public class ContextThemeWrapper extends ContextWrapper {    private int mThemeResource;    private Resources.Theme mTheme;    private LayoutInflater mInflater;    private Configuration mOverrideConfiguration;    private Resources mResources;    public ContextThemeWrapper() {        super(null);    }    public ContextThemeWrapper(Context base, @StyleRes int themeResId) {        super(base);        mThemeResource = themeResId;    }    public ContextThemeWrapper(Context base, Resources.Theme theme) {        super(base);        mTheme = theme;    }    @Override    protected void attachBaseContext(Context newBase) {        super.attachBaseContext(newBase);    }    /**     * Call to set an "override configuration" on this context -- this is     * a configuration that replies one or more values of the standard     * configuration that is applied to the context.  See     * {@link Context#createConfigurationContext(Configuration)} for more     * information.     *     * <p>This method can only be called once, and must be called before any     * calls to {@link #getResources()} are made.     */    public void applyOverrideConfiguration(Configuration overrideConfiguration) {        if (mResources != null) {            throw new IllegalStateException("getResources() has already been called");        }        if (mOverrideConfiguration != null) {            throw new IllegalStateException("Override configuration has already been set");        }        mOverrideConfiguration = new Configuration(overrideConfiguration);    }    @Override    public Resources getResources() {        if (mResources != null) {            return mResources;        }        if (mOverrideConfiguration == null) {            mResources = super.getResources();            return mResources;        } else {            Context resc = createConfigurationContext(mOverrideConfiguration);            mResources = resc.getResources();            return mResources;        }    }        @Override    public void setTheme(int resid) {        if (mThemeResource != resid) {            mThemeResource = resid;            initializeTheme();        }    }        /** @hide */    @Override    public int getThemeResId() {        return mThemeResource;    }    @Override public Resources.Theme getTheme() {        if (mTheme != null) {            return mTheme;        }        mThemeResource = Resources.selectDefaultTheme(mThemeResource,                getApplicationInfo().targetSdkVersion);        initializeTheme();        return mTheme;    }    @Override public Object getSystemService(String name) {        if (LAYOUT_INFLATER_SERVICE.equals(name)) {            if (mInflater == null) {                mInflater = LayoutInflater.from(getBaseContext()).cloneInContext(this);            }            return mInflater;        }        return getBaseContext().getSystemService(name);    }        /**     * Called by {@link #setTheme} and {@link #getTheme} to apply a theme     * resource to the current Theme object.  Can override to change the     * default (simple) behavior.  This method will not be called in multiple     * threads simultaneously.     *     * @param theme The Theme object being modified.     * @param resid The theme style resource being applied to <var>theme</var>.     * @param first Set to true if this is the first time a style is being     *              applied to <var>theme</var>.     */    protected void onApplyThemeResource(Resources.Theme theme, int resid, boolean first) {        theme.applyStyle(resid, true);    }    private void initializeTheme() {        final boolean first = mTheme == null;        if (first) {            mTheme = getResources().newTheme();            Resources.Theme theme = getBaseContext().getTheme();            if (theme != null) {                mTheme.setTo(theme);            }        }        onApplyThemeResource(mTheme, mThemeResource, first);    }}