Example usage for android.app Fragment dump

Introduction

In this page you can find the example usage for android.app Fragment dump.

Prototype

public void dump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args) 

Source Link

Document

Print the Fragments's state into the given stream.

Usage

From source file:android.app.FragmentManager.java

@Override
public void dump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args) {
    String innerPrefix = prefix + "    ";

    int N;/*from w  w  w.java2s. com*/
    if (mActive != null) {
        N = mActive.size();
        if (N > 0) {
            writer.print(prefix);
            writer.print("Active Fragments in ");
            writer.print(Integer.toHexString(System.identityHashCode(this)));
            writer.println(":");
            for (int i = 0; i < N; i++) {
                Fragment f = mActive.get(i);
                writer.print(prefix);
                writer.print("  #");
                writer.print(i);
                writer.print(": ");
                writer.println(f);
                if (f != null) {
                    f.dump(innerPrefix, fd, writer, args);
                }
            }
        }
    }

    if (mAdded != null) {
        N = mAdded.size();
        if (N > 0) {
            writer.print(prefix);
            writer.println("Added Fragments:");
            for (int i = 0; i < N; i++) {
                Fragment f = mAdded.get(i);
                writer.print(prefix);
                writer.print("  #");
                writer.print(i);
                writer.print(": ");
                writer.println(f.toString());
            }
        }
    }

    if (mCreatedMenus != null) {
        N = mCreatedMenus.size();
        if (N > 0) {
            writer.print(prefix);
            writer.println("Fragments Created Menus:");
            for (int i = 0; i < N; i++) {
                Fragment f = mCreatedMenus.get(i);
                writer.print(prefix);
                writer.print("  #");
                writer.print(i);
                writer.print(": ");
                writer.println(f.toString());
            }
        }
    }

    if (mBackStack != null) {
        N = mBackStack.size();
        if (N > 0) {
            writer.print(prefix);
            writer.println("Back Stack:");
            for (int i = 0; i < N; i++) {
                BackStackRecord bs = mBackStack.get(i);
                writer.print(prefix);
                writer.print("  #");
                writer.print(i);
                writer.print(": ");
                writer.println(bs.toString());
                bs.dump(innerPrefix, fd, writer, args);
            }
        }
    }

    synchronized (this) {
        if (mBackStackIndices != null) {
            N = mBackStackIndices.size();
            if (N > 0) {
                writer.print(prefix);
                writer.println("Back Stack Indices:");
                for (int i = 0; i < N; i++) {
                    BackStackRecord bs = mBackStackIndices.get(i);
                    writer.print(prefix);
                    writer.print("  #");
                    writer.print(i);
                    writer.print(": ");
                    writer.println(bs);
                }
            }
        }

        if (mAvailBackStackIndices != null && mAvailBackStackIndices.size() > 0) {
            writer.print(prefix);
            writer.print("mAvailBackStackIndices: ");
            writer.println(Arrays.toString(mAvailBackStackIndices.toArray()));
        }
    }

    if (mPendingActions != null) {
        N = mPendingActions.size();
        if (N > 0) {
            writer.print(prefix);
            writer.println("Pending Actions:");
            for (int i = 0; i < N; i++) {
                Runnable r = mPendingActions.get(i);
                writer.print(prefix);
                writer.print("  #");
                writer.print(i);
                writer.print(": ");
                writer.println(r);
            }
        }
    }

    writer.print(prefix);
    writer.println("FragmentManager misc state:");
    writer.print(prefix);
    writer.print("  mActivity=");
    writer.println(mActivity);
    writer.print(prefix);
    writer.print("  mContainer=");
    writer.println(mContainer);
    if (mParent != null) {
        writer.print(prefix);
        writer.print("  mParent=");
        writer.println(mParent);
    }
    writer.print(prefix);
    writer.print("  mCurState=");
    writer.print(mCurState);
    writer.print(" mStateSaved=");
    writer.print(mStateSaved);
    writer.print(" mDestroyed=");
    writer.println(mDestroyed);
    if (mNeedMenuInvalidate) {
        writer.print(prefix);
        writer.print("  mNeedMenuInvalidate=");
        writer.println(mNeedMenuInvalidate);
    }
    if (mNoTransactionsBecause != null) {
        writer.print(prefix);
        writer.print("  mNoTransactionsBecause=");
        writer.println(mNoTransactionsBecause);
    }
    if (mAvailIndices != null && mAvailIndices.size() > 0) {
        writer.print(prefix);
        writer.print("  mAvailIndices: ");
        writer.println(Arrays.toString(mAvailIndices.toArray()));
    }
}

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