Java tutorial
/* * Imoji Android SDK UI * Created by sajjadtabib * * Copyright (C) 2016 Imoji * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to * deal in the Software without restriction, including without limitation the * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or * sell copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KID, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS * IN THE SOFTWARE. * */ package io.imoji.sdk.editor.fragment; import android.app.Activity; import android.content.Context; import android.content.Intent; import android.content.res.TypedArray; import android.graphics.Bitmap; import android.graphics.Color; import android.graphics.drawable.Drawable; import android.graphics.drawable.GradientDrawable; import android.graphics.drawable.LayerDrawable; import android.os.AsyncTask; import android.os.Build; import android.os.Bundle; import android.support.annotation.Nullable; import android.support.v4.app.Fragment; import android.support.v7.widget.GridLayout; import android.support.v7.widget.Toolbar; import android.view.Gravity; import android.view.KeyEvent; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.view.ViewTreeObserver; import android.view.inputmethod.EditorInfo; import android.view.inputmethod.InputMethodManager; import android.widget.EditText; import android.widget.ImageButton; import android.widget.ImageView; import android.widget.ProgressBar; import android.widget.RelativeLayout; import android.widget.ScrollView; import android.widget.TextView; import java.util.ArrayList; import java.util.List; import java.util.UUID; import io.imoji.sdk.editor.ImojiCreateService; import io.imoji.sdk.editor.ImojiEditorActivity; import io.imoji.sdk.editor.util.OutlineAsyncTask; import io.imoji.sdk.ui.R; import io.imoji.sdk.editor.util.EditorBitmapCache; import io.imoji.sdk.editor.util.ScrimUtil; /** * A simple {@link Fragment} subclass. */ public class TagImojiFragment extends Fragment implements OutlineAsyncTask.OutlinedBitmapReadyListener { public static final String FRAGMENT_TAG = TagImojiFragment.class.getSimpleName(); private static final String LOG_TAG = TagImojiFragment.class.getSimpleName(); public static final String TAGS_BUNDLE_ARG_KEY = "TAGS_BUNDLE_ARG_KEY"; public static final String IS_PROCESSING_BUNDLE_ARG_KEY = "IS_PROCESSING_BUNDLE_ARG_KEY"; public static final String RETURN_IMMEDIATELY_BUNDLE_ARG_KEY = "RETURN_IMMEDIATELY_BUNDLE_ARG_KEY"; public static TagImojiFragment newInstance(boolean returnImmediately) { TagImojiFragment f = new TagImojiFragment(); Bundle args = new Bundle(); args.putBoolean(RETURN_IMMEDIATELY_BUNDLE_ARG_KEY, returnImmediately); f.setArguments(args); return f; } public static TagImojiFragment newInstance() { return newInstance(false); } Toolbar mToolbar; TextView mTitleTv; ImageView mImojiIv; GridLayout mTagGrid; RelativeLayout mParentView; ScrollView mGridScroller; EditText mTaggerEt; ImageButton mUploadButton; ProgressBar mProgress; ImageButton mClearInputBt; View mTagEditor; private boolean mIsProcessing; private boolean mReturnImmediately; private ImojiEditorFragment.BitmapRetainerFragment mBitmapRetainerFragment; private InputMethodManager mInputMethodManager; private EditText.OnEditorActionListener mKeyActionListener = new TextView.OnEditorActionListener() { @Override public boolean onEditorAction(TextView v, int actionId, KeyEvent event) { if (actionId == EditorInfo.IME_ACTION_DONE || actionId == EditorInfo.IME_ACTION_UNSPECIFIED) { //get the text from the tag editor String tag = ((TextView) mTagEditor.findViewById(R.id.et_tag)).getText().toString(); if (!tag.isEmpty()) { addTagChip(tag); } return true; } return true; } }; private View.OnClickListener mOnDoneClickListener = new View.OnClickListener() { @Override public void onClick(View v) { if (isResumed() && !mIsProcessing) { if (mProgress != null) { mProgress.setVisibility(View.VISIBLE); } mIsProcessing = true; if (mReturnImmediately) { String token = UUID.randomUUID().toString(); EditorBitmapCache.getInstance().put(token, EditorBitmapCache.getInstance().get(EditorBitmapCache.Keys.TRIMMED_BITMAP)); Intent intent = new Intent(); intent.setClass(getActivity(), ImojiCreateService.class); intent.putExtra(ImojiCreateService.CREATE_TOKEN_BUNDLE_ARG_KEY, token); getActivity().startService(intent); notifySuccess(token); } else { CreateTaskFragment f = (CreateTaskFragment) getFragmentManager() .findFragmentByTag(CreateTaskFragment.FRAGMENT_TAG); if (f == null) { f = CreateTaskFragment.newInstance(getTags(), false); } getFragmentManager().beginTransaction().add(f, CreateTaskFragment.FRAGMENT_TAG).commit(); } } } }; @Override public void onCreate(@Nullable Bundle savedInstanceState) { super.onCreate(savedInstanceState); mReturnImmediately = getArguments().getBoolean(RETURN_IMMEDIATELY_BUNDLE_ARG_KEY); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { return inflater.inflate(R.layout.fragment_tag_imoji, container, false); } // @Override public void onViewCreated(View v, @Nullable Bundle savedInstanceState) { mImojiIv = (ImageView) v.findViewById(R.id.iv_imoji); mTagEditor = v.findViewById(R.id.tag_editor); mTagEditor.setBackgroundDrawable(createTagDrawable()); mTagGrid = (GridLayout) v.findViewById(R.id.gl_tagbox); mTaggerEt = (EditText) v.findViewById(R.id.et_tag); mTaggerEt.setOnEditorActionListener(mKeyActionListener); mUploadButton = (ImageButton) v.findViewById(R.id.ib_upload); mUploadButton.setOnClickListener(mOnDoneClickListener); mProgress = (ProgressBar) v.findViewById(R.id.imoji_progress); mToolbar = (Toolbar) v.findViewById(R.id.imoji_toolbar); mToolbar.setNavigationIcon(R.drawable.create_back); mToolbar.setNavigationOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if (isResumed()) { getFragmentManager().popBackStack(); mInputMethodManager.hideSoftInputFromWindow(mTaggerEt.getWindowToken(), InputMethodManager.HIDE_NOT_ALWAYS); } } }); mClearInputBt = (ImageButton) v.findViewById(R.id.ib_cancel); mClearInputBt.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if (mTaggerEt != null) { mTaggerEt.getText().clear(); } } }); View toolbarScrim = v.findViewById(R.id.imoji_toolbar_scrim); if (Build.VERSION.SDK_INT >= 16) { toolbarScrim.setBackground(ScrimUtil.makeCubicGradientScrimDrawable(0x66000000, 8, Gravity.TOP)); } else { toolbarScrim .setBackgroundDrawable(ScrimUtil.makeCubicGradientScrimDrawable(0x66000000, 8, Gravity.TOP)); } if (savedInstanceState != null) { List<String> tags = savedInstanceState.getStringArrayList(TAGS_BUNDLE_ARG_KEY); for (String tag : tags) { addTagChip(tag); } mProgress.setVisibility( savedInstanceState.getBoolean(IS_PROCESSING_BUNDLE_ARG_KEY) ? View.VISIBLE : View.GONE); } } @Override public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); //show keyboard mInputMethodManager = (InputMethodManager) getActivity().getSystemService(Context.INPUT_METHOD_SERVICE); mInputMethodManager.showSoftInput(mTaggerEt, InputMethodManager.SHOW_IMPLICIT); mBitmapRetainerFragment = (ImojiEditorFragment.BitmapRetainerFragment) getFragmentManager() .findFragmentByTag(ImojiEditorFragment.BitmapRetainerFragment.FRAGMENT_TAG); if (mBitmapRetainerFragment == null || mBitmapRetainerFragment.mTrimmedBitmap == null) { getFragmentManager().popBackStack(); return; } final Bitmap imojiBitmap = mBitmapRetainerFragment.mTrimmedBitmap; getView().getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() { @Override public void onGlobalLayout() { if (Build.VERSION.SDK_INT >= 16) { getView().getViewTreeObserver().removeOnGlobalLayoutListener(this); } else { getView().getViewTreeObserver().removeGlobalOnLayoutListener(this); } final int width = mImojiIv.getWidth(); final int height = mImojiIv.getHeight(); if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) { new OutlineAsyncTask(imojiBitmap, width, height, TagImojiFragment.this) .executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR); } else { new OutlineAsyncTask(imojiBitmap, width, height, TagImojiFragment.this).execute(); } } }); } @Override public void onSaveInstanceState(Bundle outState) { outState.putStringArrayList(TAGS_BUNDLE_ARG_KEY, getTags()); outState.putBoolean(IS_PROCESSING_BUNDLE_ARG_KEY, mIsProcessing); super.onSaveInstanceState(outState); } private void addTagChip(String tag) { //create a view and add it to the gridview final View x = LayoutInflater.from(getActivity()).inflate(R.layout.tag_layout, mTagGrid, false); if (Build.VERSION.SDK_INT >= 16) { x.findViewById(R.id.tag_wrapper).setBackground(createTagDrawable()); } else { x.findViewById(R.id.tag_wrapper).setBackgroundDrawable(createTagDrawable()); } ((TextView) x.findViewById(R.id.tv_tag)).setText(tag); ((TextView) x.findViewById(R.id.tv_tag)).setTextColor(Color.WHITE); (x.findViewById(R.id.ib_cancel)).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { mTagGrid.removeView(x); } }); mTagGrid.addView(x, 0); ((TextView) mTagEditor.findViewById(R.id.et_tag)).setText(""); } private ArrayList<String> getTags() { ArrayList<String> tags = new ArrayList<String>(); int numTags = mTagGrid.getChildCount(); for (int i = 0; i < numTags; i++) { TextView tv = (TextView) mTagGrid.getChildAt(i).findViewById(R.id.tv_tag); //unsafe cast, wutever String tag = tv.getText().toString(); tags.add(tag); } return tags; } public Drawable createTagDrawable() { GradientDrawable d = new GradientDrawable(); TypedArray a = getActivity().getTheme().obtainStyledAttributes(new int[] { R.attr.colorAccent }); final int accentColor = a.getColor(0, Color.WHITE); a.recycle(); d.setColor(0xB3FFFFFF & accentColor); d.setCornerRadius(getResources().getDimension(R.dimen.dim_8dp)); d.setShape(GradientDrawable.RECTANGLE); GradientDrawable d1 = new GradientDrawable(); d1.setCornerRadius(getResources().getDimension(R.dimen.dim_8dp)); d1.setStroke((int) getResources().getDimension(R.dimen.dim_0_5dp), 0x66FFFFFF & Color.BLACK); GradientDrawable d2 = new GradientDrawable(); d2.setStroke((int) getResources().getDimension(R.dimen.dim_1dp), accentColor); d2.setCornerRadius(getResources().getDimension(R.dimen.dim_8dp)); LayerDrawable layer = new LayerDrawable(new Drawable[] { d, d2, d1 }); int halfDp = (int) getResources().getDimension(R.dimen.dim_0_5dp); int oneDp = (int) getResources().getDimension(R.dimen.dim_1dp); int oneAndHalf = halfDp + oneDp; layer.setLayerInset(2, 0, 0, 0, 0); layer.setLayerInset(1, halfDp, halfDp, halfDp, halfDp); layer.setLayerInset(0, oneAndHalf, oneAndHalf, oneAndHalf, oneAndHalf); return layer; } @Override public void onOutlinedBitmapReady(Bitmap outlinedBitmap) { if (isAdded()) { if (outlinedBitmap == null) { notifyFailure(); return; } if (mImojiIv != null) { mImojiIv.setImageBitmap(outlinedBitmap); } //also save it to cache EditorBitmapCache.getInstance().put(EditorBitmapCache.Keys.OUTLINED_BITMAP, outlinedBitmap); } } private void notifyFailure() { //notify of failure getActivity().setResult(Activity.RESULT_CANCELED); getActivity().finish(); } private void notifySuccess(String token) { Intent intent = new Intent(); intent.putExtra(ImojiEditorActivity.CREATE_TOKEN_BUNDLE_ARG_KEY, token); getActivity().setResult(Activity.RESULT_OK, intent); getActivity().finish(); } }