Java Code Examples for android.view.View#getResources()

/**
 * copied from https://groups.google.com/forum/?utm_medium=email&utm_source=footer#!searchin/android-test-kit-discuss/ActionBar/android-test-kit-discuss/mlMbTR30-0U/WljZkKBbdU0J
 * @param resourceNameMatcher a view matcher
 * @return a view matcher
 */
public static Matcher<View> withResourceName(final Matcher<String> resourceNameMatcher)
{
    return new TypeSafeMatcher<View>()
    {
        @Override
        public void describeTo(Description description)
        {
            description.appendText("with resource name: ");
            resourceNameMatcher.describeTo(description);
        }

        @Override
        public boolean matchesSafely(View view)
        {
            int id = view.getId();
            return ((id != View.NO_ID) && (id != 0) && (view.getResources() != null)
                     && (resourceNameMatcher.matches(view.getResources().getResourceName(id))));
        }
    };
}
 

/**
 * Returns a String description of the given {@link View}. The default is to return the view's
 * resource entry name.
 *
 * @param view the {@link View} to describe
 * @return a String description of the given {@link View}
 */
public String describeView(@Nullable View view) {
  StringBuilder message = new StringBuilder();
  if ((view != null
      && view.getId() != View.NO_ID
      && view.getResources() != null
      && !ViewAccessibilityUtils.isViewIdGenerated(view.getId()))) {
    message.append("View ");
    try {
      message.append(view.getResources().getResourceEntryName(view.getId()));
    } catch (Exception e) {
      /* In some integrations (seen in Robolectric), the resources may behave inconsistently */
      message.append("with no valid resource name");
    }
  } else {
    message.append("View with no valid resource name");
  }
  return message.toString();
}
 

/**
 * @param view The {@link View} to identify
 * @return a {@link String} resource name for the provided {@code view} in the format
 *     "package:type/entry", or {@code null} if a resource name does not exist or cannot be
 *     resolved.
 */
public static @Nullable String getResourceNameForView(View view) {
  if ((view == null) || (view.getId() == View.NO_ID) || (view.getResources() == null)) {
    return null;
  }

  if (!isViewIdGenerated(view.getId())) {
    try {
      return view.getResources().getResourceName(view.getId());
    } catch (Resources.NotFoundException nfe) {
      // Do nothing -- Potential test environment issue
      LogUtils.w(TAG, "Unable to resolve resource name from view ID.");
    }
  }
  return null;
}
 

private void setItemBackgroundColor(View itemView) {
  final Resources.Theme theme = itemView.getContext()
      .getTheme();
  final Resources res = itemView.getResources();

  int color;
  if (getLayoutPosition() % 2 == 0) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
      color = res.getColor(displayable.getThemeManager()
          .getAttributeForTheme(R.attr.backgroundSecondary).resourceId, theme);
    } else {
      color = res.getColor(displayable.getThemeManager()
          .getAttributeForTheme(R.attr.backgroundSecondary).resourceId);
    }
  } else {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
      color = res.getColor(displayable.getThemeManager()
          .getAttributeForTheme(R.attr.backgroundMain).resourceId, theme);
    } else {
      color = res.getColor(displayable.getThemeManager()
          .getAttributeForTheme(R.attr.backgroundMain).resourceId);
    }
  }

  itemView.setBackgroundColor(color);
}
 

public SetupStep(final int stepNo, final String applicationName, final TextView bulletView,
        final View stepView, final int title, final int instruction,
        final int finishedInstruction, final int actionIcon, final int actionLabel) {
    mStepNo = stepNo;
    mStepView = stepView;
    mBulletView = bulletView;
    final Resources res = stepView.getResources();
    mActivatedColor = res.getColor(R.color.setup_text_action);
    mDeactivatedColor = res.getColor(R.color.setup_text_dark);

    final TextView titleView = mStepView.findViewById(R.id.setup_step_title);
    titleView.setText(res.getString(title, applicationName));
    mInstruction = (instruction == 0) ? null
            : res.getString(instruction, applicationName);
    mFinishedInstruction = (finishedInstruction == 0) ? null
            : res.getString(finishedInstruction, applicationName);

    mActionLabel = mStepView.findViewById(R.id.setup_step_action_label);
    mActionLabel.setText(res.getString(actionLabel));
    if (actionIcon == 0) {
        final int paddingEnd = mActionLabel.getPaddingEnd();
        mActionLabel.setPaddingRelative(paddingEnd, 0, paddingEnd, 0);
    } else {
        mActionLabel.setCompoundDrawablesRelativeWithIntrinsicBounds(
                res.getDrawable(actionIcon), null, null, null);
    }
}
 

private void captureValues(@NonNull TransitionValues transitionValues) {
    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
        return;
    }
    View view = transitionValues.view;
    if (view.getWidth() <= 0 || view.getHeight() <= 0) {
        return;
    }
    Rect bounds = new Rect(0, 0, view.getWidth(), view.getHeight());
    if (mFadeBehavior != FADE_BEHAVIOR_REVEAL) {
        bounds.offset(view.getLeft(), view.getTop());
    }
    transitionValues.values.put(PROPNAME_BOUNDS, bounds);

    if (Transition.DBG) {
        Log.d(LOG_TAG, "Captured bounds " + transitionValues.values.get(PROPNAME_BOUNDS));
    }
    Bitmap bitmap = Bitmap.createBitmap(view.getWidth(), view.getHeight(),
            Bitmap.Config.ARGB_8888);
    if (view instanceof TextureView) {
        bitmap = ((TextureView) view).getBitmap();
    } else {
        Canvas c = new Canvas(bitmap);
        view.draw(c);
    }
    transitionValues.values.put(PROPNAME_BITMAP, bitmap);
    BitmapDrawable drawable = new BitmapDrawable(view.getResources(), bitmap);
    // TODO: lrtb will be wrong if the view has transXY set
    drawable.setBounds(bounds);
    transitionValues.values.put(PROPNAME_DRAWABLE, drawable);
}
 

public static Matcher<View> withFirstId(final int id) {
    return new TypeSafeMatcher<View>() {
        Resources resources = null;
        boolean found = false;

        @Override
        public void describeTo(Description description) {
            String idDescription = Integer.toString(id);
            if (resources != null) {
                try {
                    idDescription = resources.getResourceName(id);
                } catch (Resources.NotFoundException e) {
                    // No big deal, will just use the int value.
                    idDescription = String.format("%s (resource name not found)", id);
                }
            }
            description.appendText("with id: " + idDescription);
        }

        @Override
        public boolean matchesSafely(View view) {
            if (found) return false;
            resources = view.getResources();
            if (id == view.getId()) {
                found = true;
                return true;
            }
            return false;
        }
    };
}
 

public BlurTask(View target, BlurFactor factor, Callback callback) {
  target.setDrawingCacheEnabled(true);
  this.res = target.getResources();
  this.factor = factor;
  this.callback = callback;

  target.destroyDrawingCache();
  target.setDrawingCacheQuality(View.DRAWING_CACHE_QUALITY_LOW);
  capture = target.getDrawingCache();
  contextWeakRef = new WeakReference<>(target.getContext());
}
 

public static int parseColor(View view, String text) {
    if (text.startsWith("@color/")) {
        Resources resources = view.getResources();
        return resources.getColor(resources.getIdentifier(text.substring("@color/".length()), "color", view.getContext().getPackageName()));
    }
    if (text.length() == 4 && text.startsWith("#")) {
        text = "#" + text.charAt(1) + text.charAt(1) + text.charAt(2) + text.charAt(2) + text.charAt(3) + text.charAt(3);
    }
    return Color.parseColor(text);
}
 

public static int parseColor(View view, String text) {
    if (text.startsWith("@color/")) {
        Resources resources = view.getResources();
        return resources.getColor(resources.getIdentifier(text.substring("@color/".length()), "color", view.getContext().getPackageName()));
    }
    if (text.length() == 4 && text.startsWith("#")) {
        text = "#" + text.charAt(1) + text.charAt(1) + text.charAt(2) + text.charAt(2) + text.charAt(3) + text.charAt(3);
    }
    return Color.parseColor(text);
}
 

public ImageGetterAsyncTask(UrlDrawable d, HtmlHttpImageGetter imageGetter, View container,
                            boolean matchParentWidth, boolean compressImage, int qualityImage) {
    this.drawableReference = new WeakReference<>(d);
    this.imageGetterReference = new WeakReference<>(imageGetter);
    this.containerReference = new WeakReference<>(container);
    this.resources = new WeakReference<>(container.getResources());
    this.matchParentWidth = matchParentWidth;
    this.compressImage = compressImage;
    this.qualityImage = qualityImage;
}
 

public BlurTask(View target, BlurFactor factor, Callback callback) {
  target.setDrawingCacheEnabled(true);
  this.res = target.getResources();
  this.factor = factor;
  this.callback = callback;

  target.destroyDrawingCache();
  target.setDrawingCacheQuality(View.DRAWING_CACHE_QUALITY_LOW);
  capture = target.getDrawingCache();
  contextWeakRef = new WeakReference<>(target.getContext());
}
 

public static void startAnimators(final View view, int startOffsetX, int startOffsetY, long delay) {
    if (view.getVisibility() == View.VISIBLE && view.getAlpha() != 0f) {
        view.clearAnimation();
        view.animate().cancel();
        final Resources res = view.getResources();
        final float endAlpha = view.getAlpha();
        final float endTranslateX = view.getTranslationX();
        final float endTranslateY = view.getTranslationY();
        view.setAlpha(0);
        final Animator fade = ObjectAnimator.ofFloat(view, View.ALPHA, endAlpha);
        fade.setDuration(res.getInteger(R.integer.material_in_fade_anim_duration));
        fade.setInterpolator(new AccelerateInterpolator());
        fade.setStartDelay(delay);
        fade.start();
        ViewPropertyAnimator slide = view.animate();
        if (startOffsetY != 0) {
            view.setTranslationY(startOffsetY);
            slide.translationY(endTranslateY);
        } else {
            view.setTranslationX(startOffsetX);
            slide.translationX(endTranslateX);
        }
        slide.setInterpolator(new DecelerateInterpolator(2));
        slide.setDuration(res.getInteger(R.integer.material_in_slide_anim_duration));
        slide.setStartDelay(delay);
        slide.setListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationCancel(Animator animation) {
                if (fade.isStarted()) {
                    fade.cancel();
                }
                view.setAlpha(endAlpha);
                view.setTranslationX(endTranslateX);
                view.setTranslationY(endTranslateY);
            }
        });
        slide.start();
    }
}
 

public Matcher<View> atPositionOnView(final int position, final int targetViewId) {
    return new TypeSafeMatcher<View>() {
        Resources resources;
        View childView;

        public void describeTo(Description description) {
            String idDescription = Integer.toString(recyclerViewId);
            if (this.resources != null) {
                try {
                    idDescription = this.resources.getResourceName(recyclerViewId);
                } catch (Resources.NotFoundException var4) {
                    idDescription = String.format("%s (resource name not found)",
                            recyclerViewId);
                }
            }
            description.appendText("RecyclerView with id: "
                    + idDescription
                    + " at position: "
                    + position);
        }

        public boolean matchesSafely(View view) {

            this.resources = view.getResources();

            if (childView == null) {
                RecyclerView recyclerView =
                        (RecyclerView) view.getRootView().findViewById(recyclerViewId);
                if (recyclerView != null && recyclerView.getId() == recyclerViewId) {
                    RecyclerView.ViewHolder viewHolder = recyclerView.
                            findViewHolderForAdapterPosition(position);
                    if (viewHolder != null) {
                        childView = viewHolder.itemView;
                    }
                } else {
                    return false;
                }
            }

            if (targetViewId == -1) {
                return view.equals(childView);
            } else {
                View targetView = childView.findViewById(targetViewId);
                return view.equals(targetView);
            }
        }
    };
}
 

private static String viewToString(View view) {
    StringBuilder out = new StringBuilder(128);
    out.append(view.getClass().getName());
    out.append('{');
    out.append(Integer.toHexString(System.identityHashCode(view)));
    out.append(' ');
    switch (view.getVisibility()) {
        case View.VISIBLE: out.append('V'); break;
        case View.INVISIBLE: out.append('I'); break;
        case View.GONE: out.append('G'); break;
        default: out.append('.'); break;
    }
    out.append(view.isFocusable() ? 'F' : '.');
    out.append(view.isEnabled() ? 'E' : '.');
    out.append(view.willNotDraw() ? '.' : 'D');
    out.append(view.isHorizontalScrollBarEnabled()? 'H' : '.');
    out.append(view.isVerticalScrollBarEnabled() ? 'V' : '.');
    out.append(view.isClickable() ? 'C' : '.');
    out.append(view.isLongClickable() ? 'L' : '.');
    out.append(' ');
    out.append(view.isFocused() ? 'F' : '.');
    out.append(view.isSelected() ? 'S' : '.');
    out.append(view.isPressed() ? 'P' : '.');
    out.append(' ');
    out.append(view.getLeft());
    out.append(',');
    out.append(view.getTop());
    out.append('-');
    out.append(view.getRight());
    out.append(',');
    out.append(view.getBottom());
    final int id = view.getId();
    if (id != View.NO_ID) {
        out.append(" #");
        out.append(Integer.toHexString(id));
        final Resources r = view.getResources();
        if (id != 0 && r != null) {
            try {
                String pkgname;
                switch (id&0xff000000) {
                    case 0x7f000000:
                        pkgname="app";
                        break;
                    case 0x01000000:
                        pkgname="android";
                        break;
                    default:
                        pkgname = r.getResourcePackageName(id);
                        break;
                }
                String typename = r.getResourceTypeName(id);
                String entryname = r.getResourceEntryName(id);
                out.append(" ");
                out.append(pkgname);
                out.append(":");
                out.append(typename);
                out.append("/");
                out.append(entryname);
            } catch (Resources.NotFoundException e) {
            }
        }
    }
    out.append("}");
    return out.toString();
}
 

public static void setupDefaultForeground(View view, Integer color, Integer alpha) {
    if (view instanceof IForeground && ((IForeground) view).hasForeground() == false && view.getResources() != null) {
        setupForeground(view, view.getResources().getDrawable(R.drawable.lv_click_foreground), color, alpha);
    }
}
 

public Matcher<View> atPositionOnView(final int position, final int targetViewId) {

        return new TypeSafeMatcher<View>() {
            Resources resources = null;
            View childView;

            public void describeTo(Description description) {
                String idDescription = Integer.toString(recyclerViewId);
                if (this.resources != null) {
                    try {
                        idDescription = this.resources.getResourceName(recyclerViewId);
                    } catch (Resources.NotFoundException var4) {
                        idDescription = String.format("%s (resource name not found)",
                                                      new Object[] { Integer.valueOf
                                                          (recyclerViewId) });
                    }
                }

                description.appendText("with id: " + idDescription);
            }

            public boolean matchesSafely(View view) {

                this.resources = view.getResources();

                if (childView == null) {
                    RecyclerView recyclerView =
                        (RecyclerView) view.getRootView().findViewById(recyclerViewId);
                    if (recyclerView != null && recyclerView.getId() == recyclerViewId) {
                        childView = recyclerView.findViewHolderForAdapterPosition(position).itemView;
                    }
                    else {
                        return false;
                    }
                }

                if (targetViewId == -1) {
                    return view == childView;
                } else {
                    View targetView = childView.findViewById(targetViewId);
                    return view == targetView;
                }

            }
        };
    }
 

public Matcher<View> atPositionOnView(final int position, final int targetViewId) {

        return new TypeSafeMatcher<View>() {
            Resources resources = null;
            View childView;

            public void describeTo(Description description) {
                String idDescription = Integer.toString(recyclerViewId);
                if (this.resources != null) {
                    try {
                        idDescription = this.resources.getResourceName(recyclerViewId);
                    } catch (Resources.NotFoundException var4) {
                        idDescription = String.format("%s (resource name not found)",
                                new Object[] { Integer.valueOf
                                        (recyclerViewId) });
                    }
                }

                description.appendText("with id: " + idDescription);
            }

            public boolean matchesSafely(View view) {

                this.resources = view.getResources();

                if (childView == null) {
                    RecyclerView recyclerView =
                            (RecyclerView) view.getRootView().findViewById(recyclerViewId);
                    if (recyclerView != null && recyclerView.getId() == recyclerViewId) {
                        childView = recyclerView.findViewHolderForAdapterPosition(position).itemView;
                    }
                    else {
                        return false;
                    }
                }

                if (targetViewId == -1) {
                    return view == childView;
                } else {
                    View targetView = childView.findViewById(targetViewId);
                    return view == targetView;
                }

            }
        };
    }
 

public static Matcher<View> atPositionOnRecyclerView(final int recyclerViewId,
                                                     final int position,
                                                     final int targetViewId) {
    return new TypeSafeMatcher<View>() {
        Resources resources = null;
        View childView;

        public void describeTo(Description description) {
            String idDescription = Integer.toString(recyclerViewId);
            if (this.resources != null) {
                try {
                    idDescription = this.resources.getResourceName(recyclerViewId);
                } catch (Resources.NotFoundException var4) {
                    idDescription = String.format("%s (resource name not found)",
                            new Object[]{Integer.valueOf
                                    (recyclerViewId)});
                }
            }

            description.appendText("with id: " + idDescription);
        }

        public boolean matchesSafely(View view) {

            this.resources = view.getResources();

            if (childView == null) {
                RecyclerView recyclerView =
                        (RecyclerView) view.getRootView().findViewById(recyclerViewId);
                if (recyclerView != null && recyclerView.getId() == recyclerViewId) {
                    childView = recyclerView.findViewHolderForAdapterPosition(position).itemView;
                } else {
                    return false;
                }
            }

            if (targetViewId == -1) {
                return view == childView;
            } else {
                View targetView = childView.findViewById(targetViewId);
                return view == targetView;
            }
        }
    };
}
 

private static String viewToString(View view) {
    StringBuilder out = new StringBuilder(128);
    out.append(view.getClass().getName());
    out.append('{');
    out.append(Integer.toHexString(System.identityHashCode(view)));
    out.append(' ');
    switch (view.getVisibility()) {
        case View.VISIBLE: out.append('V'); break;
        case View.INVISIBLE: out.append('I'); break;
        case View.GONE: out.append('G'); break;
        default: out.append('.'); break;
    }
    out.append(view.isFocusable() ? 'F' : '.');
    out.append(view.isEnabled() ? 'E' : '.');
    out.append(view.willNotDraw() ? '.' : 'D');
    out.append(view.isHorizontalScrollBarEnabled()? 'H' : '.');
    out.append(view.isVerticalScrollBarEnabled() ? 'V' : '.');
    out.append(view.isClickable() ? 'C' : '.');
    out.append(view.isLongClickable() ? 'L' : '.');
    out.append(' ');
    out.append(view.isFocused() ? 'F' : '.');
    out.append(view.isSelected() ? 'S' : '.');
    out.append(view.isPressed() ? 'P' : '.');
    out.append(' ');
    out.append(view.getLeft());
    out.append(',');
    out.append(view.getTop());
    out.append('-');
    out.append(view.getRight());
    out.append(',');
    out.append(view.getBottom());
    final int id = view.getId();
    if (id != View.NO_ID) {
        out.append(" #");
        out.append(Integer.toHexString(id));
        final Resources r = view.getResources();
        if (id != 0 && r != null) {
            try {
                String pkgname;
                switch (id&0xff000000) {
                    case 0x7f000000:
                        pkgname="app";
                        break;
                    case 0x01000000:
                        pkgname="android";
                        break;
                    default:
                        pkgname = r.getResourcePackageName(id);
                        break;
                }
                String typename = r.getResourceTypeName(id);
                String entryname = r.getResourceEntryName(id);
                out.append(" ");
                out.append(pkgname);
                out.append(":");
                out.append(typename);
                out.append("/");
                out.append(entryname);
            } catch (Resources.NotFoundException e) {
            }
        }
    }
    out.append("}");
    return out.toString();
}