Example usage for android.support.v4.content ContextCompat getDrawable

List of usage examples for android.support.v4.content ContextCompat getDrawable

Introduction

In this page you can find the example usage for android.support.v4.content ContextCompat getDrawable.

Prototype

public static final Drawable getDrawable(Context context, int i) 

Source Link

Usage

From source file:com.franmontiel.fullscreendialog.FullScreenDialogFragment.java

private void initToolbar(View view) {
    Toolbar toolbar = (Toolbar) view.findViewById(R.id.toolbar);

    Drawable closeDrawable = ContextCompat.getDrawable(getContext(), R.drawable.ic_close);
    tintToolbarHomeButton(toolbar, closeDrawable);

    toolbar.setNavigationIcon(closeDrawable);
    toolbar.setNavigationOnClickListener(new View.OnClickListener() {
        @Override/*from  www . j  a  v a  2  s  . c  o m*/
        public void onClick(View v) {
            onDiscardButtonClick();
        }
    });

    toolbar.setTitle(title);

    Menu menu = toolbar.getMenu();

    final int menuItemTitleId = 1;
    itemConfirmButton = menu.add(0, menuItemTitleId, 0, this.positiveButton);
    itemConfirmButton.setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS);
    itemConfirmButton.setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
        @Override
        public boolean onMenuItemClick(MenuItem item) {
            if (item.getItemId() == menuItemTitleId) {
                onConfirmButtonClick();
                return true;
            } else
                return false;
        }
    });
}

From source file:com.amitupadhyay.aboutexample.ui.transitions.FabTransform.java

@Override
public Animator createAnimator(final ViewGroup sceneRoot, final TransitionValues startValues,
        final TransitionValues endValues) {
    if (startValues == null || endValues == null)
        return null;

    final Rect startBounds = (Rect) startValues.values.get(PROP_BOUNDS);
    final Rect endBounds = (Rect) endValues.values.get(PROP_BOUNDS);

    final boolean fromFab = endBounds.width() > startBounds.width();
    final View view = endValues.view;
    final Rect dialogBounds = fromFab ? endBounds : startBounds;
    final Rect fabBounds = fromFab ? startBounds : endBounds;
    final Interpolator fastOutSlowInInterpolator = AnimUtils
            .getFastOutSlowInInterpolator(sceneRoot.getContext());
    final long duration = getDuration();
    final long halfDuration = duration / 2;
    final long twoThirdsDuration = duration * 2 / 3;

    if (!fromFab) {
        // Force measure / layout the dialog back to it's original bounds
        view.measure(makeMeasureSpec(startBounds.width(), View.MeasureSpec.EXACTLY),
                makeMeasureSpec(startBounds.height(), View.MeasureSpec.EXACTLY));
        view.layout(startBounds.left, startBounds.top, startBounds.right, startBounds.bottom);
    }// ww w. j a va2s  .  c o m

    final int translationX = startBounds.centerX() - endBounds.centerX();
    final int translationY = startBounds.centerY() - endBounds.centerY();
    if (fromFab) {
        view.setTranslationX(translationX);
        view.setTranslationY(translationY);
    }

    // Add a color overlay to fake appearance of the FAB
    final ColorDrawable fabColor = new ColorDrawable(color);
    fabColor.setBounds(0, 0, dialogBounds.width(), dialogBounds.height());
    if (!fromFab)
        fabColor.setAlpha(0);
    view.getOverlay().add(fabColor);

    // Add an icon overlay again to fake the appearance of the FAB
    final Drawable fabIcon = ContextCompat.getDrawable(sceneRoot.getContext(), icon).mutate();
    final int iconLeft = (dialogBounds.width() - fabIcon.getIntrinsicWidth()) / 2;
    final int iconTop = (dialogBounds.height() - fabIcon.getIntrinsicHeight()) / 2;
    fabIcon.setBounds(iconLeft, iconTop, iconLeft + fabIcon.getIntrinsicWidth(),
            iconTop + fabIcon.getIntrinsicHeight());
    if (!fromFab)
        fabIcon.setAlpha(0);
    view.getOverlay().add(fabIcon);

    // Circular clip from/to the FAB size
    final Animator circularReveal;
    if (fromFab) {
        circularReveal = ViewAnimationUtils.createCircularReveal(view, view.getWidth() / 2,
                view.getHeight() / 2, startBounds.width() / 2,
                (float) Math.hypot(endBounds.width() / 2, endBounds.height() / 2));
        circularReveal.setInterpolator(AnimUtils.getFastOutLinearInInterpolator(sceneRoot.getContext()));
    } else {
        circularReveal = ViewAnimationUtils.createCircularReveal(view, view.getWidth() / 2,
                view.getHeight() / 2, (float) Math.hypot(startBounds.width() / 2, startBounds.height() / 2),
                endBounds.width() / 2);
        circularReveal.setInterpolator(AnimUtils.getLinearOutSlowInInterpolator(sceneRoot.getContext()));

        // Persist the end clip i.e. stay at FAB size after the reveal has run
        circularReveal.addListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationEnd(Animator animation) {
                view.setOutlineProvider(new ViewOutlineProvider() {
                    @Override
                    public void getOutline(View view, Outline outline) {
                        final int left = (view.getWidth() - fabBounds.width()) / 2;
                        final int top = (view.getHeight() - fabBounds.height()) / 2;
                        outline.setOval(left, top, left + fabBounds.width(), top + fabBounds.height());
                        view.setClipToOutline(true);
                    }
                });
            }
        });
    }
    circularReveal.setDuration(duration);

    // Translate to end position along an arc
    final Animator translate = ObjectAnimator.ofFloat(view, View.TRANSLATION_X, View.TRANSLATION_Y,
            fromFab ? getPathMotion().getPath(translationX, translationY, 0, 0)
                    : getPathMotion().getPath(0, 0, -translationX, -translationY));
    translate.setDuration(duration);
    translate.setInterpolator(fastOutSlowInInterpolator);

    // Fade contents of non-FAB view in/out
    List<Animator> fadeContents = null;
    if (view instanceof ViewGroup) {
        final ViewGroup vg = ((ViewGroup) view);
        fadeContents = new ArrayList<>(vg.getChildCount());
        for (int i = vg.getChildCount() - 1; i >= 0; i--) {
            final View child = vg.getChildAt(i);
            final Animator fade = ObjectAnimator.ofFloat(child, View.ALPHA, fromFab ? 1f : 0f);
            if (fromFab) {
                child.setAlpha(0f);
            }
            fade.setDuration(twoThirdsDuration);
            fade.setInterpolator(fastOutSlowInInterpolator);
            fadeContents.add(fade);
        }
    }

    // Fade in/out the fab color & icon overlays
    final Animator colorFade = ObjectAnimator.ofInt(fabColor, "alpha", fromFab ? 0 : 255);
    final Animator iconFade = ObjectAnimator.ofInt(fabIcon, "alpha", fromFab ? 0 : 255);
    if (!fromFab) {
        colorFade.setStartDelay(halfDuration);
        iconFade.setStartDelay(halfDuration);
    }
    colorFade.setDuration(halfDuration);
    iconFade.setDuration(halfDuration);
    colorFade.setInterpolator(fastOutSlowInInterpolator);
    iconFade.setInterpolator(fastOutSlowInInterpolator);

    // Work around issue with elevation shadows. At the end of the return transition the shared
    // element's shadow is drawn twice (by each activity) which is jarring. This workaround
    // still causes the shadow to snap, but it's better than seeing it double drawn.
    Animator elevation = null;
    if (!fromFab) {
        elevation = ObjectAnimator.ofFloat(view, View.TRANSLATION_Z, -view.getElevation());
        elevation.setDuration(duration);
        elevation.setInterpolator(fastOutSlowInInterpolator);
    }

    // Run all animations together
    final AnimatorSet transition = new AnimatorSet();
    transition.playTogether(circularReveal, translate, colorFade, iconFade);
    transition.playTogether(fadeContents);
    if (elevation != null)
        transition.play(elevation);
    if (fromFab) {
        transition.addListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationEnd(Animator animation) {
                // Clean up
                view.getOverlay().clear();
            }
        });
    }
    return new AnimUtils.NoPauseAnimator(transition);
}

From source file:ameircom.keymedia.Activity.transition.FabTransform.java

@Override
public Animator createAnimator(final ViewGroup sceneRoot, final TransitionValues startValues,
        final TransitionValues endValues) {
    if (startValues == null || endValues == null)
        return null;

    final Rect startBounds = (Rect) startValues.values.get(PROP_BOUNDS);
    final Rect endBounds = (Rect) endValues.values.get(PROP_BOUNDS);

    final boolean fromFab = endBounds.width() > startBounds.width();
    final View view = endValues.view;
    final Rect dialogBounds = fromFab ? endBounds : startBounds;
    final Rect fabBounds = fromFab ? startBounds : endBounds;
    final Interpolator fastOutSlowInInterpolator = AnimUtils
            .getFastOutSlowInInterpolator(sceneRoot.getContext());
    final long duration = getDuration();
    final long halfDuration = duration / 2;
    final long twoThirdsDuration = duration * 2 / 3;

    if (!fromFab) {
        // Force measure / layout the dialog back to it's original bounds
        view.measure(makeMeasureSpec(startBounds.width(), View.MeasureSpec.EXACTLY),
                makeMeasureSpec(startBounds.height(), View.MeasureSpec.EXACTLY));
        view.layout(startBounds.left, startBounds.top, startBounds.right, startBounds.bottom);
    }/*from   w  ww. java  2  s  .  c o m*/

    final int translationX = startBounds.centerX() - endBounds.centerX();
    final int translationY = startBounds.centerY() - endBounds.centerY();
    if (fromFab) {
        view.setTranslationX(translationX);
        view.setTranslationY(translationY);
    }

    // Add a color overlay to fake appearance of the FAB
    final ColorDrawable fabColor = new ColorDrawable(color);
    fabColor.setBounds(0, 0, dialogBounds.width(), dialogBounds.height());
    if (!fromFab)
        fabColor.setAlpha(0);
    view.getOverlay().add(fabColor);

    // Add an icon overlay again to fake the appearance of the FAB
    final Drawable fabIcon = ContextCompat.getDrawable(sceneRoot.getContext(), icon).mutate();
    final int iconLeft = (dialogBounds.width() - fabIcon.getIntrinsicWidth()) / 2;
    final int iconTop = (dialogBounds.height() - fabIcon.getIntrinsicHeight()) / 2;
    fabIcon.setBounds(iconLeft, iconTop, iconLeft + fabIcon.getIntrinsicWidth(),
            iconTop + fabIcon.getIntrinsicHeight());
    if (!fromFab)
        fabIcon.setAlpha(0);
    view.getOverlay().add(fabIcon);

    // Circular clip from/to the FAB size
    final Animator circularReveal;
    if (fromFab) {
        circularReveal = ViewAnimationUtils.createCircularReveal(view, view.getWidth() / 2,
                view.getHeight() / 2, startBounds.width() / 2,
                (float) Math.hypot(endBounds.width() / 2, endBounds.width() / 2));
        circularReveal.setInterpolator(AnimUtils.getFastOutLinearInInterpolator(sceneRoot.getContext()));
    } else {
        circularReveal = ViewAnimationUtils.createCircularReveal(view, view.getWidth() / 2,
                view.getHeight() / 2, (float) Math.hypot(startBounds.width() / 2, startBounds.width() / 2),
                endBounds.width() / 2);
        circularReveal.setInterpolator(AnimUtils.getLinearOutSlowInInterpolator(sceneRoot.getContext()));

        // Persist the end clip i.e. stay at FAB size after the reveal has run
        circularReveal.addListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationEnd(Animator animation) {
                view.setOutlineProvider(new ViewOutlineProvider() {
                    @Override
                    public void getOutline(View view, Outline outline) {
                        final int left = (view.getWidth() - fabBounds.width()) / 2;
                        final int top = (view.getHeight() - fabBounds.height()) / 2;
                        outline.setOval(left, top, left + fabBounds.width(), top + fabBounds.height());
                        view.setClipToOutline(true);
                    }
                });
            }
        });
    }
    circularReveal.setDuration(duration);

    // Translate to end position along an arc
    final Animator translate = ObjectAnimator.ofFloat(view, View.TRANSLATION_X, View.TRANSLATION_Y,
            fromFab ? getPathMotion().getPath(translationX, translationY, 0, 0)
                    : getPathMotion().getPath(0, 0, -translationX, -translationY));
    translate.setDuration(duration);
    translate.setInterpolator(fastOutSlowInInterpolator);

    // Fade contents of non-FAB view in/out
    List<Animator> fadeContents = null;
    if (view instanceof ViewGroup) {
        final ViewGroup vg = ((ViewGroup) view);
        fadeContents = new ArrayList<>(vg.getChildCount());
        for (int i = vg.getChildCount() - 1; i >= 0; i--) {
            final View child = vg.getChildAt(i);
            final Animator fade = ObjectAnimator.ofFloat(child, View.ALPHA, fromFab ? 1f : 0f);
            if (fromFab) {
                child.setAlpha(0f);
            }
            fade.setDuration(twoThirdsDuration);
            fade.setInterpolator(fastOutSlowInInterpolator);
            fadeContents.add(fade);
        }
    }

    // Fade in/out the fab color & icon overlays
    final Animator colorFade = ObjectAnimator.ofInt(fabColor, "alpha", fromFab ? 0 : 255);
    final Animator iconFade = ObjectAnimator.ofInt(fabIcon, "alpha", fromFab ? 0 : 255);
    if (!fromFab) {
        colorFade.setStartDelay(halfDuration);
        iconFade.setStartDelay(halfDuration);
    }
    colorFade.setDuration(halfDuration);
    iconFade.setDuration(halfDuration);
    colorFade.setInterpolator(fastOutSlowInInterpolator);
    iconFade.setInterpolator(fastOutSlowInInterpolator);

    // Work around issue with elevation shadows. At the end of the return transition the shared
    // element's shadow is drawn twice (by each activity) which is jarring. This workaround
    // still causes the shadow to snap, but it's better than seeing it double drawn.
    Animator elevation = null;
    if (!fromFab) {
        elevation = ObjectAnimator.ofFloat(view, View.TRANSLATION_Z, -view.getElevation());
        elevation.setDuration(duration);
        elevation.setInterpolator(fastOutSlowInInterpolator);
    }

    // Run all animations together
    final AnimatorSet transition = new AnimatorSet();
    transition.playTogether(circularReveal, translate, colorFade, iconFade);
    transition.playTogether(fadeContents);
    if (elevation != null)
        transition.play(elevation);
    if (fromFab) {
        transition.addListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationEnd(Animator animation) {
                // Clean up
                view.getOverlay().clear();
            }
        });
    }
    return new AnimUtils.NoPauseAnimator(transition);
}

From source file:com.dm.material.dashboard.candybar.fragments.dialog.AboutFragment.java

private void initImageHeader() {
    String url = getActivity().getString(R.string.about_image);
    if (URLUtil.isValidUrl(url)) {
        ImageLoader.getInstance().displayImage(url, mImageView,
                ImageConfig.getImageOptions(true, Preferences.getPreferences(getActivity()).isCacheAllowed()));
    } else {//from w ww .j  a  va  2  s.  c  o  m
        int res = DrawableHelper.getResourceId(getActivity(), url);
        if (res > 0)
            mImageView.setImageDrawable(ContextCompat.getDrawable(getActivity(), res));
    }
}

From source file:com.google.android.apps.santatracker.presentquest.ProfileActivity.java

private void setUserProgress() {
    mAvatarIndex = mUser.getLevel() - 1;
    mLevelTextView.setText(String.valueOf(mUser.getLevel()));
    mAvatarView.setImageDrawable(ContextCompat.getDrawable(this, mUser.getAvatar()));

    // Can't edit workshop 1 location until you've at least collected a present
    setEditButtonVisible(findViewById(R.id.button_edit_1), mPrefs.getHasCollectedPresent());

    // Lock workshop 2
    boolean secondWorkshopUnlocked = mUser.getMaxPresentsCollected() >= 2;
    if (secondWorkshopUnlocked) {
        findViewById(R.id.workshop_2_scrim).setVisibility(View.GONE);
    } else {//from   ww  w  .ja  va  2s  .  c o  m
        findViewById(R.id.workshop_2_scrim).setVisibility(View.VISIBLE);
    }
    setEditButtonVisible(findViewById(R.id.button_edit_2), secondWorkshopUnlocked);

    // Lock workshop 3
    boolean thirdWorkshopUnlocked = mUser.getMaxPresentsCollected() >= 3;
    if (thirdWorkshopUnlocked) {
        findViewById(R.id.workshop_3_scrim).setVisibility(View.GONE);
    } else {
        findViewById(R.id.workshop_3_scrim).setVisibility(View.GONE);
    }
    setEditButtonVisible(findViewById(R.id.button_edit_3), thirdWorkshopUnlocked);

    // Allow or deny workshop "magnet"-ing if we don't know the location or if the user
    // is already near a workshop
    if (mLatLng == null || isAnyWorkshopNearby()) {
        setEditButtonVisible(findViewById(R.id.button_edit_1), false);
        setEditButtonVisible(findViewById(R.id.button_edit_2), false);
        setEditButtonVisible(findViewById(R.id.button_edit_3), false);
    }
}

From source file:com.esri.arcgis.android.samples.nearby.Nearby.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);/*from  w  w w .  j  a v  a  2 s  . co m*/

    mMapView = (MapView) findViewById(R.id.map);
    mMapView.setOnStatusChangedListener(statusChangedListener);
    mMapView.setOnSingleTapListener(mapTapCallback);

    mTitleTextView = (TextView) findViewById(R.id.titleTextView);
    mTitleTextView.setText(R.string.startup_caption);
    mAddressTextView = (TextView) findViewById(R.id.addressTextView);
    mPhoneTextView = (TextView) findViewById(R.id.phoneTextView);
    mPhoneTextView.setOnTouchListener(callTouchListener);
    mPhoneImageView = (ImageView) findViewById(R.id.callImageView);
    mPhoneImageView.setOnTouchListener(callTouchListener);
    mDistanceTextView = (TextView) findViewById(R.id.distanceTextView);
    mRatingBar = (RatingBar) findViewById(R.id.ratingBar);
    mProgress = (ProgressBar) findViewById(R.id.findProgress);

    mResultsLayer = new GraphicsLayer();
    mResultsLayer.setSelectionColorWidth(6);
    mMapView.addLayer(mResultsLayer);

    mCoffeeMapIcon = new PictureMarkerSymbol(getApplicationContext(),
            ContextCompat.getDrawable(getApplicationContext(), R.drawable.ic_local_cafe_black));
    mPizzaMapIcon = new PictureMarkerSymbol(getApplicationContext(),
            ContextCompat.getDrawable(getApplicationContext(), R.drawable.ic_local_pizza_black));
    mBarMapIcon = new PictureMarkerSymbol(getApplicationContext(),
            ContextCompat.getDrawable(getApplicationContext(), R.drawable.ic_local_drink_black));

    setupLocator();
    setupLocationListener();
}

From source file:com.bilibili.magicasakura.widgets.AppCompatBackgroundHelper.java

@Override
public void tint() {
    if (mBackgroundTintResId == 0 || !setSupportBackgroundTint(mBackgroundTintResId)) {
        Drawable drawable = mTintManager.getDrawable(mBackgroundResId);
        if (drawable == null) {
            drawable = mBackgroundResId == 0 ? null
                    : ContextCompat.getDrawable(mView.getContext(), mBackgroundResId);
        }//from  w  ww .java 2s  .  c  o  m
        setBackgroundDrawable(drawable);
    }
}

From source file:com.hartcode.hartweather.list.WeatherListActivity.java

@Override
public boolean onMenuItemActionCollapse(MenuItem item) {
    if (item.getItemId() == R.id.action_add) {
        this.floatingActionButton.setImageDrawable(ContextCompat.getDrawable(this, R.drawable.fab_add));
    }/*from  ww  w . jav a 2s  . com*/
    return true;
}

From source file:com.bisonswap.bisonswap.MainActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    mSharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
    mUsername = ANONYMOUS;// w ww.  j av  a 2 s. c o m

    // Initialize Firebase Auth
    mFirebaseAuth = FirebaseAuth.getInstance();
    mFirebaseUser = mFirebaseAuth.getCurrentUser();

    if (mFirebaseUser == null) {
        // Not signed in, launch the Sign In activity
        startActivity(new Intent(this, SignInActivity.class));
        finish();
        return;
    } else {
        mUsername = mFirebaseUser.getDisplayName();
        mPhotoUrl = mFirebaseUser.getPhotoUrl().toString();
    }

    mGoogleApiClient = new GoogleApiClient.Builder(this)
            .enableAutoManage(this /* FragmentActivity */, this /* OnConnectionFailedListener */)
            .addApi(Auth.GOOGLE_SIGN_IN_API).build();

    mProgressBar = (ProgressBar) findViewById(R.id.progressBar);
    mMessageRecyclerView = (RecyclerView) findViewById(R.id.messageRecyclerView);
    mLinearLayoutManager = new LinearLayoutManager(this);
    mLinearLayoutManager.setStackFromEnd(true);

    mFirebaseDatabaseReference = FirebaseDatabase.getInstance().getReference();
    mFirebaseAdapter = new FirebaseRecyclerAdapter<FriendlyMessage, MessageViewHolder>(FriendlyMessage.class,
            R.layout.item_message, MessageViewHolder.class, mFirebaseDatabaseReference.child(MESSAGES_CHILD)) {

        @Override
        protected FriendlyMessage parseSnapshot(DataSnapshot snapshot) {
            FriendlyMessage friendlyMessage = super.parseSnapshot(snapshot);
            if (friendlyMessage != null) {
                friendlyMessage.setId(snapshot.getKey());
            }
            return friendlyMessage;
        }

        @Override
        protected void populateViewHolder(MessageViewHolder viewHolder, FriendlyMessage friendlyMessage,
                int position) {
            mProgressBar.setVisibility(ProgressBar.INVISIBLE);
            viewHolder.messageTextView.setText(friendlyMessage.getText());
            viewHolder.messengerTextView.setText(friendlyMessage.getName());
            if (friendlyMessage.getPhotoUrl() == null) {
                viewHolder.messengerImageView.setImageDrawable(
                        ContextCompat.getDrawable(MainActivity.this, R.drawable.ic_account_circle_black_36dp));
            } else {
                Glide.with(MainActivity.this).load(friendlyMessage.getPhotoUrl())
                        .into(viewHolder.messengerImageView);
            }

            // write this message to the on-device index
            FirebaseAppIndex.getInstance().update(getMessageIndexable(friendlyMessage));

            // log a view action on it
            FirebaseUserActions.getInstance().end(getMessageViewAction(friendlyMessage));
        }
    };

    mFirebaseAdapter.registerAdapterDataObserver(new RecyclerView.AdapterDataObserver() {
        @Override
        public void onItemRangeInserted(int positionStart, int itemCount) {
            super.onItemRangeInserted(positionStart, itemCount);
            int friendlyMessageCount = mFirebaseAdapter.getItemCount();
            int lastVisiblePosition = mLinearLayoutManager.findLastCompletelyVisibleItemPosition();
            // If the recycler view is initially being loaded or the user is at the bottom of the list, scroll
            // to the bottom of the list to show the newly added message.
            if (lastVisiblePosition == -1 || (positionStart >= (friendlyMessageCount - 1)
                    && lastVisiblePosition == (positionStart - 1))) {
                mMessageRecyclerView.scrollToPosition(positionStart);
            }
        }
    });

    mMessageRecyclerView.setLayoutManager(mLinearLayoutManager);
    mMessageRecyclerView.setAdapter(mFirebaseAdapter);

    // Initialize and request AdMob ad.
    mAdView = (AdView) findViewById(R.id.adView);
    AdRequest adRequest = new AdRequest.Builder().build();
    mAdView.loadAd(adRequest);

    // Initialize Firebase Measurement.
    mFirebaseAnalytics = FirebaseAnalytics.getInstance(this);

    // Initialize Firebase Remote Config.
    mFirebaseRemoteConfig = FirebaseRemoteConfig.getInstance();

    // Define Firebase Remote Config Settings.
    FirebaseRemoteConfigSettings firebaseRemoteConfigSettings = new FirebaseRemoteConfigSettings.Builder()
            .setDeveloperModeEnabled(true).build();

    // Define default config values. Defaults are used when fetched config values are not
    // available. Eg: if an error occurred fetching values from the server.
    Map<String, Object> defaultConfigMap = new HashMap<>();
    defaultConfigMap.put("friendly_msg_length", 10L);

    // Apply config settings and default values.
    mFirebaseRemoteConfig.setConfigSettings(firebaseRemoteConfigSettings);
    mFirebaseRemoteConfig.setDefaults(defaultConfigMap);

    // Fetch remote config.
    fetchConfig();

    mMessageEditText = (EditText) findViewById(R.id.messageEditText);
    mMessageEditText.setFilters(new InputFilter[] { new InputFilter.LengthFilter(
            mSharedPreferences.getInt(CodelabPreferences.FRIENDLY_MSG_LENGTH, DEFAULT_MSG_LENGTH_LIMIT)) });
    mMessageEditText.addTextChangedListener(new TextWatcher() {
        @Override
        public void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) {
        }

        @Override
        public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) {
            if (charSequence.toString().trim().length() > 0) {
                mSendButton.setEnabled(true);
            } else {
                mSendButton.setEnabled(false);
            }
        }

        @Override
        public void afterTextChanged(Editable editable) {
        }
    });

    mSendButton = (Button) findViewById(R.id.sendButton);
    mSendButton.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            FriendlyMessage friendlyMessage = new FriendlyMessage(mMessageEditText.getText().toString(),
                    mUsername, mPhotoUrl);
            mFirebaseDatabaseReference.child(MESSAGES_CHILD).push().setValue(friendlyMessage);
            mMessageEditText.setText("");
            mFirebaseAnalytics.logEvent(MESSAGE_SENT_EVENT, null);
        }
    });
}

From source file:com.example.sergio.quizmetestgui.MainActivityChat.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    mSharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
    mUsername = ANONYMOUS;//ww w. j  a  va 2  s.  c  o  m

    // Initialize Firebase Auth
    mFirebaseAuth = FirebaseAuth.getInstance();
    mFirebaseUser = mFirebaseAuth.getCurrentUser();

    if (mFirebaseUser == null) {
        // Not signed in, launch the Sign In activity
        startActivity(new Intent(this, SignInActivity.class));
        finish();
        return;
    } else {
        mUsername = mFirebaseUser.getDisplayName();
        //            mPhotoUrl = mFirebaseUser.getPhotoUrl().toString();
    }

    mGoogleApiClient = new GoogleApiClient.Builder(this)
            .enableAutoManage(this /* FragmentActivity */, this /* OnConnectionFailedListener */)
            .addApi(Auth.GOOGLE_SIGN_IN_API).build();

    mProgressBar = (ProgressBar) findViewById(R.id.progressBar);
    mMessageRecyclerView = (RecyclerView) findViewById(R.id.messageRecyclerView);
    mLinearLayoutManager = new LinearLayoutManager(this);
    mLinearLayoutManager.setStackFromEnd(true);

    mFirebaseDatabaseReference = FirebaseDatabase.getInstance().getReference();
    mFirebaseAdapter = new FirebaseRecyclerAdapter<FriendlyMessage, MessageViewHolder>(FriendlyMessage.class,
            R.layout.item_message, MessageViewHolder.class, mFirebaseDatabaseReference.child(MESSAGES_CHILD)) {

        @Override
        protected FriendlyMessage parseSnapshot(DataSnapshot snapshot) {
            FriendlyMessage friendlyMessage = super.parseSnapshot(snapshot);
            if (friendlyMessage != null) {
                friendlyMessage.setId(snapshot.getKey());
            }
            return friendlyMessage;
        }

        @Override
        protected void populateViewHolder(MessageViewHolder viewHolder, FriendlyMessage friendlyMessage,
                int position) {
            mProgressBar.setVisibility(ProgressBar.INVISIBLE);
            viewHolder.messageTextView.setText(friendlyMessage.getText());
            viewHolder.messengerTextView.setText(friendlyMessage.getName());
            if (friendlyMessage.getPhotoUrl() == null) {
                viewHolder.messengerImageView.setImageDrawable(ContextCompat.getDrawable(MainActivityChat.this,
                        R.drawable.ic_account_circle_black_36dp));
            } else {
                Glide.with(MainActivityChat.this).load(friendlyMessage.getPhotoUrl())
                        .into(viewHolder.messengerImageView);
            }

            // write this message to the on-device index
            FirebaseAppIndex.getInstance().update(getMessageIndexable(friendlyMessage));

            // log a view action on it
            FirebaseUserActions.getInstance().end(getMessageViewAction(friendlyMessage));
        }
    };

    mFirebaseAdapter.registerAdapterDataObserver(new RecyclerView.AdapterDataObserver() {
        @Override
        public void onItemRangeInserted(int positionStart, int itemCount) {
            super.onItemRangeInserted(positionStart, itemCount);
            int friendlyMessageCount = mFirebaseAdapter.getItemCount();
            int lastVisiblePosition = mLinearLayoutManager.findLastCompletelyVisibleItemPosition();
            // If the recycler view is initially being loaded or the user is at the bottom of the list, scroll
            // to the bottom of the list to show the newly added message.
            if (lastVisiblePosition == -1 || (positionStart >= (friendlyMessageCount - 1)
                    && lastVisiblePosition == (positionStart - 1))) {
                mMessageRecyclerView.scrollToPosition(positionStart);
            }
        }
    });

    mMessageRecyclerView.setLayoutManager(mLinearLayoutManager);
    mMessageRecyclerView.setAdapter(mFirebaseAdapter);

    // Initialize and request AdMob ad.
    /* mAdView = (AdView) findViewById(R.id.adView);
     AdRequest adRequest = new AdRequest.Builder().build();
     mAdView.loadAd(adRequest);*/

    // Initialize Firebase Measurement.
    mFirebaseAnalytics = FirebaseAnalytics.getInstance(this);

    // Initialize Firebase Remote Config.
    mFirebaseRemoteConfig = FirebaseRemoteConfig.getInstance();

    // Define Firebase Remote Config Settings.
    FirebaseRemoteConfigSettings firebaseRemoteConfigSettings = new FirebaseRemoteConfigSettings.Builder()
            .setDeveloperModeEnabled(true).build();

    // Define default config values. Defaults are used when fetched config values are not
    // available. Eg: if an error occurred fetching values from the server.
    Map<String, Object> defaultConfigMap = new HashMap<>();
    defaultConfigMap.put("friendly_msg_length", 10L);

    // Apply config settings and default values.
    mFirebaseRemoteConfig.setConfigSettings(firebaseRemoteConfigSettings);
    mFirebaseRemoteConfig.setDefaults(defaultConfigMap);

    // Fetch remote config.
    fetchConfig();

    mMessageEditText = (EditText) findViewById(R.id.messageEditText);
    mMessageEditText.setFilters(new InputFilter[] { new InputFilter.LengthFilter(
            mSharedPreferences.getInt(CodelabPreferences.FRIENDLY_MSG_LENGTH, DEFAULT_MSG_LENGTH_LIMIT)) });
    mMessageEditText.addTextChangedListener(new TextWatcher() {
        @Override
        public void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) {
        }

        @Override
        public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) {
            if (charSequence.toString().trim().length() > 0) {
                mSendButton.setEnabled(true);
            } else {
                mSendButton.setEnabled(false);
            }
        }

        @Override
        public void afterTextChanged(Editable editable) {
        }
    });

    mSendButton = (Button) findViewById(R.id.sendButton);
    mSendButton.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            FriendlyMessage friendlyMessage = new FriendlyMessage(mMessageEditText.getText().toString(),
                    mUsername, mPhotoUrl);
            mFirebaseDatabaseReference.child(MESSAGES_CHILD).push().setValue(friendlyMessage);
            mMessageEditText.setText("");
            mFirebaseAnalytics.logEvent(MESSAGE_SENT_EVENT, null);
        }
    });
}