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嗨我試圖導入Facebook的sdk。我遇到了setBackgroundColor(ContextCompat.getColor(context, R.color.com_facebook_blue));行中未定義的getColor的這個錯誤。我已經將appcompat v7庫導入到facebook sdk中，但它仍顯示錯誤。請讓我知道在這種情況下可以做些什麼。方法getColor（Context，int）在Facebook sdk中未定義
public abstract class FacebookButtonBase extends Button {
private String analyticsButtonCreatedEventName;
private String analyticsButtonTappedEventName;
private OnClickListener externalOnClickListener;
private OnClickListener internalOnClickListener;
private boolean overrideCompoundPadding;
private int overrideCompoundPaddingLeft;
private int overrideCompoundPaddingRight;
private FragmentWrapper parentFragment;
protected FacebookButtonBase(
final Context context,
final AttributeSet attrs,
int defStyleAttr,
int defStyleRes,
final String analyticsButtonCreatedEventName,
final String analyticsButtonTappedEventName) {
super(context, attrs, 0);
defStyleRes = (defStyleRes == 0 ? this.getDefaultStyleResource() : defStyleRes);
defStyleRes = (defStyleRes == 0 ? R.style.com_facebook_button : defStyleRes);
configureButton(context, attrs, defStyleAttr, defStyleRes);
this.analyticsButtonCreatedEventName = analyticsButtonCreatedEventName;
this.analyticsButtonTappedEventName = analyticsButtonTappedEventName;
}
protected abstract int getDefaultRequestCode();
/**
* Sets the fragment that contains this control. This allows the button to be embedded inside a
* Fragment, and will allow the fragment to receive the
* {@link Fragment#onActivityResult(int, int, android.content.Intent) onActivityResult}
* call rather than the Activity.
*
* @param fragment the android.support.v4.app.Fragment that contains this control
*/
public void setFragment(final Fragment fragment) {
parentFragment = new FragmentWrapper(fragment);
}
/**
* Sets the fragment that contains this control. This allows the button to be embedded inside a
* Fragment, and will allow the fragment to receive the
* {@link Fragment#onActivityResult(int, int, android.content.Intent) onActivityResult}
* call rather than the Activity.
*
* @param fragment the android.app.Fragment that contains this control
*/
public void setFragment(final android.app.Fragment fragment) {
parentFragment = new FragmentWrapper(fragment);
}
/**
* Gets the fragment that contains this control.
* @return The android.support.v4.app.Fragment that contains this control.
*/
public Fragment getFragment() {
return (parentFragment != null) ? parentFragment.getSupportFragment() : null;
}
/**
* Gets the fragment that contains this control.
* @return The android.app.Fragment that contains this control.
*/
public android.app.Fragment getNativeFragment() {
return (parentFragment != null) ? parentFragment.getNativeFragment() : null;
}
@Override
public void setOnClickListener(final OnClickListener l) {
this.externalOnClickListener = l;
}
/**
* Returns the request code used for this Button.
*
* @return the request code.
*/
public int getRequestCode() {
return getDefaultRequestCode();
}
@Override
protected void onAttachedToWindow() {
super.onAttachedToWindow();
if (!isInEditMode()) {
logButtonCreated(getContext());
}
}
@Override
protected void onDraw(Canvas canvas) {
boolean centered = (this.getGravity() & Gravity.CENTER_HORIZONTAL) != 0;
if (centered) {
// if the text is centered, we need to adjust the frame for the titleLabel based on the
// size of the text in order to keep the text centered in the button without adding
// extra blank space to the right when unnecessary
// 1. the text fits centered within the button without colliding with the image
// (imagePaddingWidth)
// 2. the text would run into the image, so adjust the insets to effectively left align
// it (textPaddingWidth)
final int compoundPaddingLeft = getCompoundPaddingLeft();
final int compoundPaddingRight = getCompoundPaddingRight();
final int compoundDrawablePadding = getCompoundDrawablePadding();
final int textX = compoundPaddingLeft + compoundDrawablePadding;
final int textContentWidth = getWidth() - textX - compoundPaddingRight;
final int textWidth = measureTextWidth(getText().toString());
final int textPaddingWidth = (textContentWidth - textWidth)/2;
final int imagePaddingWidth = (compoundPaddingLeft - getPaddingLeft())/2;
final int inset = Math.min(textPaddingWidth, imagePaddingWidth);
this.overrideCompoundPaddingLeft = compoundPaddingLeft - inset;
this.overrideCompoundPaddingRight = compoundPaddingRight + inset;
this.overrideCompoundPadding = true;
}
super.onDraw(canvas);
this.overrideCompoundPadding = false;
}
@Override
public int getCompoundPaddingLeft() {
return (this.overrideCompoundPadding ?
this.overrideCompoundPaddingLeft :
super.getCompoundPaddingLeft());
}
@Override
public int getCompoundPaddingRight() {
return (this.overrideCompoundPadding ?
this.overrideCompoundPaddingRight :
super.getCompoundPaddingRight());
}
protected Activity getActivity() {
Context context = getContext();
while (!(context instanceof Activity) && context instanceof ContextWrapper) {
context = ((ContextWrapper) context).getBaseContext();
}
if (context instanceof Activity) {
return (Activity) context;
}
throw new FacebookException("Unable to get Activity.");
}
protected int getDefaultStyleResource() {
return 0;
}
protected int measureTextWidth(final String text) {
return (int)Math.ceil(getPaint().measureText(text));
}
protected void configureButton(
final Context context,
final AttributeSet attrs,
final int defStyleAttr,
final int defStyleRes) {
parseBackgroundAttributes(context, attrs, defStyleAttr, defStyleRes);
parseCompoundDrawableAttributes(context, attrs, defStyleAttr, defStyleRes);
parseContentAttributes(context, attrs, defStyleAttr, defStyleRes);
parseTextAttributes(context, attrs, defStyleAttr, defStyleRes);
setupOnClickListener();
}
protected void callExternalOnClickListener(final View v) {
if (externalOnClickListener != null) {
externalOnClickListener.onClick(v);
}
}
protected void setInternalOnClickListener(final OnClickListener l) {
internalOnClickListener = l;
}
private void logButtonCreated(final Context context) {
AppEventsLogger logger = AppEventsLogger.newLogger(context);
logger.logSdkEvent(analyticsButtonCreatedEventName, null, null);
}
private void logButtonTapped(final Context context) {
AppEventsLogger logger = AppEventsLogger.newLogger(context);
logger.logSdkEvent(analyticsButtonTappedEventName, null, null);
}
private void parseBackgroundAttributes(
final Context context,
final AttributeSet attrs,
final int defStyleAttr,
final int defStyleRes) {
// TODO, figure out why com_facebook_button_like_background.xml doesn't work in designers
if (isInEditMode()) {
return;
}
final int attrsResources[] = {
android.R.attr.background,
};
final TypedArray a = context.getTheme().obtainStyledAttributes(
attrs,
attrsResources,
defStyleAttr,
defStyleRes);
try {
if (a.hasValue(0)) {
int backgroundResource = a.getResourceId(0, 0);
if (backgroundResource != 0) {
setBackgroundResource(backgroundResource);
} else {
setBackgroundColor(a.getColor(0, 0));
}
} else {
// fallback, if no background specified, fill with Facebook blue
setBackgroundColor(ContextCompat.getColor(context, R.color.com_facebook_blue));
\t //setBackgroundColor(getApplicationContext().getResources().getColor(getContext(), R.color.com_facebook_blue));
}
} finally {
a.recycle();
}
}
@SuppressLint("ResourceType")
private void parseCompoundDrawableAttributes(
final Context context,
final AttributeSet attrs,
final int defStyleAttr,
final int defStyleRes) {
final int attrsResources[] = {
android.R.attr.drawableLeft,
android.R.attr.drawableTop,
android.R.attr.drawableRight,
android.R.attr.drawableBottom,
android.R.attr.drawablePadding,
};
final TypedArray a = context.getTheme().obtainStyledAttributes(
attrs,
attrsResources,
defStyleAttr,
defStyleRes);
try {
setCompoundDrawablesWithIntrinsicBounds(
a.getResourceId(0, 0),
a.getResourceId(1, 0),
a.getResourceId(2, 0),
a.getResourceId(3, 0));
setCompoundDrawablePadding(a.getDimensionPixelSize(4, 0));
} finally {
a.recycle();
}
}
private void parseContentAttributes(
final Context context,
final AttributeSet attrs,
final int defStyleAttr,
final int defStyleRes) {
final int attrsResources[] = {
android.R.attr.paddingLeft,
android.R.attr.paddingTop,
android.R.attr.paddingRight,
android.R.attr.paddingBottom,
};
final TypedArray a = context.getTheme().obtainStyledAttributes(
attrs,
attrsResources,
defStyleAttr,
defStyleRes);
try {
setPadding(
a.getDimensionPixelSize(0, 0),
a.getDimensionPixelSize(1, 0),
a.getDimensionPixelSize(2, 0),
a.getDimensionPixelSize(3, 0));
} finally {
a.recycle();
}
}
private void parseTextAttributes(
final Context context,
final AttributeSet attrs,
final int defStyleAttr,
final int defStyleRes) {
final int colorResources[] = {
android.R.attr.textColor,
};
final TypedArray colorAttrs = context.getTheme().obtainStyledAttributes(
attrs,
colorResources,
defStyleAttr,
defStyleRes);
try {
setTextColor(colorAttrs.getColor(0, Color.WHITE));
} finally {
colorAttrs.recycle();
}
final int gravityResources[] = {
android.R.attr.gravity,
};
final TypedArray gravityAttrs = context.getTheme().obtainStyledAttributes(
attrs,
gravityResources,
defStyleAttr,
defStyleRes);
try {
setGravity(gravityAttrs.getInt(0, Gravity.CENTER));
} finally {
gravityAttrs.recycle();
}
final int attrsResources[] = {
android.R.attr.textSize,
android.R.attr.textStyle,
android.R.attr.text,
};
final TypedArray a = context.getTheme().obtainStyledAttributes(
attrs,
attrsResources,
defStyleAttr,
defStyleRes);
try {
setTextSize(TypedValue.COMPLEX_UNIT_PX, a.getDimensionPixelSize(0, 0));
setTypeface(Typeface.defaultFromStyle(a.getInt(1, Typeface.BOLD)));
setText(a.getString(2));
} finally {
a.recycle();
}
}
private void setupOnClickListener() {
// set the listener on super so that consumers can set another listener that this will
// forward to
super.setOnClickListener(new OnClickListener() {
@Override
public void onClick(final View v) {
logButtonTapped(getContext());
if (FacebookButtonBase.this.internalOnClickListener != null) {
FacebookButtonBase.this.internalOnClickListener.onClick(v);
} else if (FacebookButtonBase.this.externalOnClickListener != null) {
FacebookButtonBase.this.externalOnClickListener.onClick(v);
}
}
});
}
}
哪個版本的'appcompat v7'？ – user1140237
如何查看版本？ –
如果它的工作室比應用程序的'build.gradle'文件或項目詳細信息 – user1140237