Example usage for android.view View findViewById

Introduction

In this page you can find the example usage for android.view View findViewById.

Prototype

@Nullable
public final <T extends View> T findViewById(@IdRes int id)

Source Link

Document

Finds the first descendant view with the given ID, the view itself if the ID matches #getId() , or null if the ID is invalid (< 0) or there is no matching view in the hierarchy.

Usage

From source file:Main.java

public static Pair<View, String>[] createSafeTransitionParticipants(@NonNull Activity activity,
        boolean includeStatusBar, @Nullable Pair... otherParticipants) {
    // Avoid system UI glitches as described here:
    // https://plus.google.com/+AlexLockwood/posts/RPtwZ5nNebb
    View decor = activity.getWindow().getDecorView();
    View statusBar = null;//www. jav a2  s  .c  o  m
    if (includeStatusBar) {
        statusBar = decor.findViewById(android.R.id.statusBarBackground);
    }
    View navBar = decor.findViewById(android.R.id.navigationBarBackground);

    // Create pair of transition participants.
    List<Pair> participants = new ArrayList<>(3);
    addNonNullViewToTransitionParticipants(statusBar, participants);
    addNonNullViewToTransitionParticipants(navBar, participants);
    // only add transition participants if there's at least one none-null element
    if (otherParticipants != null && !(otherParticipants.length == 1 && otherParticipants[0] == null)) {
        participants.addAll(Arrays.asList(otherParticipants));
    }
    return participants.toArray(new Pair[participants.size()]);
}

From source file:Main.java

@TargetApi(Build.VERSION_CODES.LOLLIPOP)
@SuppressWarnings("unchecked")
public static Pair<View, String>[] createSafeTransitionParticipants(@NonNull Activity activity,
        boolean includeStatusBar, @Nullable Pair... otherParticipants) {
    View decor = activity.getWindow().getDecorView();
    View statusBar = null;/*from ww w.j ava2s.co  m*/
    if (includeStatusBar) {
        statusBar = decor.findViewById(android.R.id.statusBarBackground);
    }
    View navBar = decor.findViewById(android.R.id.navigationBarBackground);

    List<Pair> participants = new ArrayList<>(3);
    addNonNullViewToTransitionParticipants(statusBar, participants);
    addNonNullViewToTransitionParticipants(navBar, participants);
    // only add transition participants if there's at least one none-null element
    if (otherParticipants != null && !(otherParticipants.length == 1 && otherParticipants[0] == null)) {
        participants.addAll(Arrays.asList(otherParticipants));
    }
    return participants.toArray(new Pair[participants.size()]);
}

From source file:Main.java

/**
 * Create the transition participants required during a activity transition while
 * avoiding glitches with the system UI.
 *
 * @param activity The activity used as start for the transition.
 * @param includeStatusBar If false, the status bar will not be added as the transition
 *        participant.//from ww w. j  a va  2s.  co m
 * @return All transition participants.
 */
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
public static Pair<View, String>[] createSafeTransitionParticipants(@NonNull Activity activity,
        boolean includeStatusBar, @Nullable Pair... otherParticipants) {
    // Avoid system UI glitches as described here:
    // https://plus.google.com/+AlexLockwood/posts/RPtwZ5nNebb
    View decor = activity.getWindow().getDecorView();
    View statusBar = null;
    if (includeStatusBar) {
        statusBar = decor.findViewById(android.R.id.statusBarBackground);
    }
    View navBar = decor.findViewById(android.R.id.navigationBarBackground);

    // Create pair of transition participants.
    List<Pair> participants = new ArrayList<>(3);
    addNonNullViewToTransitionParticipants(statusBar, participants);
    addNonNullViewToTransitionParticipants(navBar, participants);
    // only add transition participants if there's at least one none-null element
    if (otherParticipants != null && !(otherParticipants.length == 1 && otherParticipants[0] == null)) {
        participants.addAll(Arrays.asList(otherParticipants));
    }
    return participants.toArray(new Pair[participants.size()]);
}

From source file:Main.java

public static <E extends View> E findViewById(View view, @IdRes int resId) {
    if (null == view)
        throw new IllegalArgumentException("The argument view can not be null,please check your argument!");
    //noinspection unchecked
    return (E) view.findViewById(resId);
}

From source file:Main.java

public static View getActionBarView(Activity activity) {
    Window window = activity.getWindow();
    View v = window.getDecorView();
    //      int resId = activity.getResources().getIdentifier("action_bar_container", "id", "android");
    int resId = activity.getResources().getIdentifier("action_bar_container", "id", activity.getPackageName());
    return v.findViewById(resId);
}

From source file:Main.java

public static void setHeight(final View root, final int viewId, final int height) {
    if (root != null) {
        setHeight(root.findViewById(viewId), height);
    }/*w ww  . ja va 2s  . c  o m*/
}

From source file:Main.java

public static void toastShow(String paramString, Context paramContext) {
    View localView = LayoutInflater.from(paramContext).inflate(getLayoutId(paramContext, "xdw_toast_item"),
            null);//www  . ja v a  2  s.  c o  m
    Toast localToast = new Toast(paramContext);
    localToast.setView(localView);
    localToast.setGravity(17, 0, 0);
    ((TextView) localView.findViewById(getResId(paramContext, "xdw_toast_mes"))).setText(paramString);
    localToast.show();
}

From source file:com.monmonja.library.utils.ViewUtils.java

public static void makeToast(Context context, int resId) {
    TypedValue tv = new TypedValue();
    int offsetY = 0;
    if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true)) {
        offsetY = TypedValue.complexToDimensionPixelSize(tv.data, context.getResources().getDisplayMetrics());
    }//from w ww.  j  a  va 2 s . c om

    Toast toast = Toast.makeText(context, resId, Toast.LENGTH_SHORT);
    toast.setGravity(Gravity.CENTER, 0, 0);
    View view = toast.getView();
    view.setBackgroundColor(context.getResources().getColor(R.color.toast_background));
    TextView text = (TextView) view.findViewById(android.R.id.message);
    text.setTextColor(context.getResources().getColor(android.R.color.white));
    toast.show();
}

From source file:Main.java

@SuppressWarnings("unchecked")
public static <T extends View> T getViewByHolder(View view, int id) {
    SparseArray<View> viewHolder = (SparseArray<View>) view.getTag();
    if (viewHolder == null) {
        viewHolder = new SparseArray<View>();
        view.setTag(viewHolder);//from w w w .  j av a2 s. c  o  m
    }
    View childView = viewHolder.get(id);
    if (childView == null) {
        childView = view.findViewById(id);
        viewHolder.put(id, childView);
    }
    return (T) childView;
}

From source file:Main.java

@SuppressWarnings("unchecked")
public static <T extends View> T get(View view, int id) {
    SparseArray<View> viewHolder = (SparseArray<View>) view.getTag();
    if (viewHolder == null) {
        viewHolder = new SparseArray<View>();
        view.setTag(viewHolder);//w  w w .ja  v a  2 s.  c  o  m
    }
    View childView = viewHolder.get(id);
    if (childView == null) {
        childView = view.findViewById(id);
        viewHolder.put(id, childView);
    }
    return (T) childView;
}