Java tutorial
package br.liveo.searchliveo; /* * Copyright 2015 Rudson Lima * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import android.animation.Animator; import android.annotation.TargetApi; import android.app.Activity; import android.content.ActivityNotFoundException; import android.content.Context; import android.content.Intent; import android.content.res.Resources; import android.content.res.TypedArray; import android.os.Build; import android.os.Bundle; import android.os.Parcelable; import android.speech.RecognizerIntent; import android.support.v4.content.ContextCompat; import android.support.v7.widget.RecyclerView; import android.text.Editable; import android.text.TextWatcher; import android.util.AttributeSet; import android.util.DisplayMetrics; import android.view.KeyEvent; import android.view.LayoutInflater; import android.view.View; import android.view.ViewAnimationUtils; import android.view.animation.Animation; import android.view.animation.AnimationUtils; import android.view.inputmethod.EditorInfo; import android.view.inputmethod.InputMethodManager; import android.widget.EditText; import android.widget.FrameLayout; import android.widget.ImageView; import android.widget.RelativeLayout; import android.widget.TextView; import android.widget.Toast; import java.util.ArrayList; import java.util.Locale; import br.liveo.searchliveo.interfaces.OnSearchListener; public class SearchLiveo extends FrameLayout { private Activity mContext; private EditText mEdtSearch; private ImageView mImgArrowSearch; private ImageView mImgVoiceSearch; private ImageView mImgCloseSearch; private RecyclerView mRecyclerView; private RelativeLayout mViewSearch; private int mColorPrimaryDark; private boolean active = false; private boolean isVoice = true; private int mColorIcon = -1; private int mColorIconArrow = -1; private int mColorIconVoice = -1; private int mColorIconClose = -1; private int mStatusBarHideColor = -1; private int mStatusBarShowColor = -1; private OnSearchListener mSearchListener; private static String SEARCH_TEXT = "SEARCH_TEXT"; public static int REQUEST_CODE_SPEECH_INPUT = 7777; private static String STATE_TO_SAVE = "STATE_TO_SAVE"; private static String INSTANCE_STATE = "INSTANCE_STATE"; /** * Start context and the listener Search Live library. * Use this method when you are using an Activity * * @param context - Context Activity */ public SearchLiveo with(Context context) { if (this.mContext == null) { try { this.mContext = (Activity) context; this.mSearchListener = (OnSearchListener) context; } catch (ClassCastException e) { throw new ClassCastException(mContext.getString(R.string.warning_listener)); } } else { build(); } return this; } /** * Start context and the listener Search Live library. * Use this method when you are using an Fragment * * @param getActivity - Context Fragment * @param context - Listener */ public SearchLiveo with(Activity getActivity, OnSearchListener context) { if (this.mContext == null) { try { this.mContext = getActivity; this.mSearchListener = context; } catch (ClassCastException e) { throw new ClassCastException(mContext.getString(R.string.warning_fragment_listener)); } } else { build(); } return this; } public void build() { if (this.mSearchListener == null) { throw new ClassCastException(mContext.getString(R.string.warning_listener)); } try { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) { Resources.Theme theme = this.mContext.getTheme(); TypedArray typedArray = theme.obtainStyledAttributes(new int[] { android.R.attr.colorPrimaryDark }); setColorPrimaryDark(typedArray.getResourceId(0, 0)); } } catch (Exception e) { e.getStackTrace(); } } public SearchLiveo(Context context) { this(context, null); } public SearchLiveo(Context context, AttributeSet attrs) { this(context, attrs, 0); } public SearchLiveo(Context context, AttributeSet attrs, int defStyleAttr) { super(context, attrs, defStyleAttr); if (!isInEditMode()) { init(context); initAttribute(context, attrs, defStyleAttr); } } private void init(Context context) { View view = LayoutInflater.from(context).inflate(R.layout.search_liveo, this, true); mEdtSearch = (EditText) view.findViewById(R.id.edt_search); mImgArrowSearch = (ImageView) view.findViewById(R.id.img_arrow_search); mImgVoiceSearch = (ImageView) view.findViewById(R.id.img_voice_search); mImgCloseSearch = (ImageView) view.findViewById(R.id.img_close_search); mImgCloseSearch.setVisibility(isVoice() ? View.GONE : View.VISIBLE); mRecyclerView = (RecyclerView) view.findViewById(R.id.recycler_search_view); View toolbarShadow = view.findViewById(R.id.toolbar_shadow); toolbarShadow.setVisibility(GONE); if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) { toolbarShadow.setVisibility(View.VISIBLE); } mViewSearch = (RelativeLayout) view.findViewById(R.id.view_search); mViewSearch.setVisibility(View.INVISIBLE); mEdtSearch.setOnKeyListener(onKeyListener); mImgArrowSearch.setOnClickListener(onClickSearchArrow); mRecyclerView.setOnClickListener(onClickRecyclerView); mImgVoiceSearch.setOnClickListener(onClickVoiceSearch); mImgCloseSearch.setOnClickListener(onClickCloseSearch); mEdtSearch.setOnEditorActionListener(onEditorActionListener); mEdtSearch.addTextChangedListener(new OnTextWatcherEdtSearch()); } private void initAttribute(Context context, AttributeSet attributeSet, int defStyleAttr) { TypedArray attr = context.obtainStyledAttributes(attributeSet, R.styleable.search_liveo, defStyleAttr, 0); if (attr != null) { try { if (attr.hasValue(R.styleable.search_liveo_search_liveo_hint)) { hint(attr.getString(R.styleable.search_liveo_search_liveo_hint)); } if (attr.hasValue(R.styleable.search_liveo_search_liveo_text_color)) { mEdtSearch.setTextColor(attr.getColor(R.styleable.search_liveo_search_liveo_text_color, -1)); } if (attr.hasValue(R.styleable.search_liveo_search_liveo_hint_color)) { mEdtSearch .setHintTextColor(attr.getColor(R.styleable.search_liveo_search_liveo_hint_color, -1)); } if (attr.hasValue(R.styleable.search_liveo_search_liveo_color_icon)) { setColorIcon(attr.getColor(R.styleable.search_liveo_search_liveo_color_icon, -1)); } if (attr.hasValue(R.styleable.search_liveo_search_liveo_color_arrow)) { setColorIconArrow(attr.getColor(R.styleable.search_liveo_search_liveo_color_arrow, -1)); } if (attr.hasValue(R.styleable.search_liveo_search_liveo_color_voice)) { setColorIconVoice(attr.getColor(R.styleable.search_liveo_search_liveo_color_voice, -1)); } if (attr.hasValue(R.styleable.search_liveo_search_liveo_color_close)) { setColorIconClose(attr.getColor(R.styleable.search_liveo_search_liveo_color_close, -1)); } if (attr.hasValue(R.styleable.search_liveo_search_liveo_background)) { mViewSearch.setBackgroundColor( attr.getColor(R.styleable.search_liveo_search_liveo_background, -1)); } if (attr.hasValue(R.styleable.search_liveo_search_liveo_status_bar_show_color)) { setStatusBarShowColor( attr.getColor(R.styleable.search_liveo_search_liveo_status_bar_show_color, -1)); } if (attr.hasValue(R.styleable.search_liveo_search_liveo_status_bar_hide_color)) { setStatusBarHideColor( attr.getColor(R.styleable.search_liveo_search_liveo_status_bar_hide_color, -1)); } } finally { attr.recycle(); } } } /** * Set a new background color. If you do not use this method and standard color is white SearchLiveo. * In his layout.xml you can use the "app:searchLiveoBackground="@color/..."" attribute * * @param resId color attribute - colors.xml file */ public SearchLiveo backgroundResource(int resId) { mViewSearch.setBackgroundResource(resId); return this; } /** * Set a new background color. If you do not use this method and standard color is white SearchLiveo. * In his layout.xml you can use the "app:searchLiveoBackground="@color/..."" attribute * @param color color attribute - colors.xml file */ public SearchLiveo backgroundColor(int color) { mViewSearch.setBackgroundColor(ContextCompat.getColor(mContext, color)); return this; } /** * Set a new text color. * In his layout.xml you can use the "app:searchLiveoTextColor="@color/..."" attribute * @param color color attribute - colors.xml file */ public SearchLiveo textColor(int color) { mEdtSearch.setTextColor(ContextCompat.getColor(mContext, color)); return this; }; /** * Set a new hint color. * In his layout.xml you can use the "app:searchLiveoHintColor="@color/..."" attribute * @param color color attribute - colors.xml file */ public SearchLiveo hintColor(int color) { mEdtSearch.setHintTextColor(ContextCompat.getColor(mContext, color)); return this; }; /** * Set a new text. * @param text "valeu" */ public SearchLiveo text(String text) { mEdtSearch.setText(text); return this; }; /** * Set a new hint. * In his layout.xml you can use the "app:searchLiveoHint="value"" attribute * @param text "valeu" */ public SearchLiveo hint(String text) { mEdtSearch.setHint(text); return this; }; /** * Set a new text. * @param text string attribute - string.xml file */ public SearchLiveo text(int text) { mEdtSearch.setText(mContext.getString(text)); return this; }; /** * Set a new hint. * In his layout.xml you can use the "app:searchLiveoHint="@string/..."" attribute * @param text string attribute - string.xml file */ public SearchLiveo hint(int text) { mEdtSearch.setHint(mContext.getString(text)); return this; }; /** * Set a new color for all icons (arrow, voice and close). * In his layout.xml you can use the "app:searchLiveoColorIcon="@color/..."" attribute * @param color color attribute - colors.xml file */ public SearchLiveo colorIcon(int color) { this.setColorIcon(ContextCompat.getColor(mContext, color)); return this; }; /** * Set a new color for back arrow * In his layout.xml you can use the "app:searchLiveoColorArrow="@color/..."" attribute * @param color color attribute - colors.xml file */ public SearchLiveo colorIconArrow(int color) { this.setColorIconArrow(ContextCompat.getColor(mContext, color)); return this; }; /** * Set a new color for voice * In his layout.xml you can use the "app:searchLiveoColorVoice="@color/..."" attribute * @param color color attribute - colors.xml file */ public SearchLiveo colorIconVoice(int color) { this.setColorIconVoice(ContextCompat.getColor(mContext, color)); return this; }; /** * Set a new color for close * In his layout.xml you can use the "app:searchLiveoColorClose="@color/..."" attribute * @param color color attribute - colors.xml file */ public SearchLiveo colorIconClose(int color) { this.setColorIconClose(ContextCompat.getColor(mContext, color)); return this; }; /** * Set a new color for statusBar when the SearchLiveo is closed * In his layout.xml you can use the "app:searchLiveoStatusBarHideColor="@color/..."" attribute * @param color color attribute - colors.xml file */ public SearchLiveo statusBarHideColor(int color) { setStatusBarHideColor(ContextCompat.getColor(mContext, color)); return this; } /** * Set a new color for statusBar when the SearchLiveo for visible * In his layout.xml you can use the "app:searchLiveoStatusBarShowColor="@color/..."" attribute * @param color color attribute - colors.xml file */ public SearchLiveo statusBarShowColor(int color) { setStatusBarShowColor(ContextCompat.getColor(mContext, color)); return this; } /** * Hide voice icon */ public SearchLiveo hideVoice() { setIsVoice(false); mImgVoiceSearch.setVisibility(View.GONE); return this; } /** * Show voice icon */ public SearchLiveo showVoice() { setIsVoice(true); mImgVoiceSearch.setVisibility(View.VISIBLE); return this; } private void colorIcon() { if (getColorIcon() != -1 && getColorIconArrow() == -1) { mImgArrowSearch.setColorFilter(this.getColorIcon()); } if (getColorIcon() != -1 && getColorIconVoice() == -1) { mImgVoiceSearch.setColorFilter(this.getColorIcon()); } if (getColorIcon() != -1 && getColorIconClose() == -1) { mImgCloseSearch.setColorFilter(this.getColorIcon()); } }; private void colorIconArrow() { if (getColorIconArrow() != -1) { mImgArrowSearch.setColorFilter(this.getColorIconArrow()); } }; private void colorIconVoice() { if (this.getColorIconVoice() != -1) { mImgVoiceSearch.setColorFilter(this.getColorIconVoice()); } else { mImgVoiceSearch.clearColorFilter(); } }; private void colorIconClose() { if (this.getColorIconClose() != -1) { mImgCloseSearch.setColorFilter(this.getColorIconClose()); } else { mImgCloseSearch.clearColorFilter(); } }; private OnKeyListener onKeyListener = new OnKeyListener() { @Override public boolean onKey(View v, int keyCode, KeyEvent event) { if (event.getAction() == KeyEvent.ACTION_DOWN) { if (keyCode == KeyEvent.KEYCODE_BACK) { hide(); return true; } } return false; } }; private TextView.OnEditorActionListener onEditorActionListener = new TextView.OnEditorActionListener() { @Override public boolean onEditorAction(TextView v, int actionId, KeyEvent event) { if (actionId == EditorInfo.IME_ACTION_SEARCH) { hide(); mContext.runOnUiThread(new Runnable() { @Override public void run() { ((InputMethodManager) mContext.getSystemService(Context.INPUT_METHOD_SERVICE)) .hideSoftInputFromWindow(mRecyclerView.getWindowToken(), 0); } }); return true; } return false; } }; private OnClickListener onClickVoiceSearch = new OnClickListener() { @Override public void onClick(View v) { startVoice(mEdtSearch); } }; private OnClickListener onClickCloseSearch = new OnClickListener() { @Override public void onClick(View v) { if (mEdtSearch.getText().toString().length() != 0) { mEdtSearch.setText(""); mContext.runOnUiThread(new Runnable() { @Override public void run() { ((InputMethodManager) mContext.getSystemService(Context.INPUT_METHOD_SERVICE)) .toggleSoftInput(InputMethodManager.SHOW_FORCED, InputMethodManager.HIDE_IMPLICIT_ONLY); } }); } } }; private OnClickListener onClickSearchArrow = new OnClickListener() { @Override public void onClick(View v) { hide(); } }; private OnClickListener onClickRecyclerView = new OnClickListener() { @Override public void onClick(View v) { hide(); } }; /** * If SearchView is active(show), this method returns the value true */ public boolean isActive() { return active; } private void setActive(boolean active) { this.active = active; } public boolean isVoice() { return isVoice; } public void setIsVoice(boolean isVoice) { this.isVoice = isVoice; } public int getStatusBarHideColor() { return mStatusBarHideColor; } public void setStatusBarHideColor(int mStatusBarHideColor) { this.mStatusBarHideColor = mStatusBarHideColor; } public int getStatusBarShowColor() { return mStatusBarShowColor; } public void setStatusBarShowColor(int mStatusBarShowColor) { this.mStatusBarShowColor = mStatusBarShowColor; } private int getColorIcon() { return mColorIcon; } private void setColorIcon(int colorIcon) { this.mColorIcon = colorIcon; this.colorIcon(); } public int getColorIconArrow() { return mColorIconArrow; } public void setColorIconArrow(int color) { this.mColorIconArrow = color; this.colorIconArrow(); } public int getColorIconVoice() { return mColorIconVoice; } public void setColorIconVoice(int color) { this.mColorIconVoice = color; this.colorIconVoice(); } public int getColorIconClose() { return mColorIconClose; } public void setColorIconClose(int color) { this.mColorIconClose = color; this.colorIconClose(); } private class OnTextWatcherEdtSearch implements TextWatcher { @Override public void beforeTextChanged(CharSequence s, int start, int count, int after) { } @Override public void onTextChanged(CharSequence s, int start, int before, int count) { try { if (mEdtSearch.getText().toString().length() == 0) { mImgCloseSearch.setVisibility(isVoice() ? View.GONE : View.VISIBLE); mImgVoiceSearch.setVisibility(isVoice() ? View.VISIBLE : View.GONE); mImgVoiceSearch.setImageResource(R.drawable.ic_keyboard_voice_color_24dp); colorIconVoice(); } else { mImgVoiceSearch.setVisibility(View.GONE); mImgCloseSearch.setVisibility(View.VISIBLE); mImgCloseSearch.setImageResource(R.drawable.ic_close_color_24dp); colorIconClose(); } colorIcon(); colorIconArrow(); mSearchListener.changedSearch(mEdtSearch.getText().toString()); } catch (Exception e) { e.getStackTrace(); } } @Override public void afterTextChanged(Editable s) { } } /** * Hide SearchLiveo */ public void hide() { try { hideAnimation(); setActive(false); } catch (Exception e) { e.getStackTrace(); } } /** * Show SearchLiveo */ public SearchLiveo show() { setActive(true); if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) { try { showAnimation(); } catch (ClassCastException e) { throw new ClassCastException(mContext.getString(R.string.warning_with)); } } else { Animation mFadeIn = AnimationUtils.loadAnimation(mContext.getApplicationContext(), android.R.anim.fade_in); mViewSearch.setEnabled(true); mViewSearch.setVisibility(View.VISIBLE); mViewSearch.setAnimation(mFadeIn); mContext.runOnUiThread(new Runnable() { @Override public void run() { ((InputMethodManager) mContext.getSystemService(Context.INPUT_METHOD_SERVICE)) .toggleSoftInput(InputMethodManager.SHOW_FORCED, InputMethodManager.HIDE_IMPLICIT_ONLY); } }); } mEdtSearch.requestFocus(); return this; } @TargetApi(Build.VERSION_CODES.LOLLIPOP) private void showAnimation() { try { if (getStatusBarShowColor() != -1) { mContext.getWindow().setStatusBarColor(getStatusBarShowColor()); } else { mContext.getWindow() .setStatusBarColor(ContextCompat.getColor(mContext, R.color.search_liveo_primary_dark)); } final Animator animator = ViewAnimationUtils.createCircularReveal(mViewSearch, mViewSearch.getWidth() - (int) dpToPixel(24, this.mContext), (int) dpToPixel(23, this.mContext), 0, (float) Math.hypot(mViewSearch.getWidth(), mViewSearch.getHeight())); animator.addListener(new Animator.AnimatorListener() { @Override public void onAnimationStart(Animator animation) { } @Override public void onAnimationEnd(Animator animation) { mContext.runOnUiThread(new Runnable() { @Override public void run() { ((InputMethodManager) mContext.getSystemService(Context.INPUT_METHOD_SERVICE)) .toggleSoftInput(InputMethodManager.SHOW_FORCED, InputMethodManager.HIDE_IMPLICIT_ONLY); } }); } @Override public void onAnimationCancel(Animator animation) { } @Override public void onAnimationRepeat(Animator animation) { } }); animator.setDuration(300); animator.start(); } catch (Exception e) { e.getStackTrace(); mContext.runOnUiThread(new Runnable() { @Override public void run() { ((InputMethodManager) mContext.getSystemService(Context.INPUT_METHOD_SERVICE)) .toggleSoftInput(InputMethodManager.SHOW_FORCED, InputMethodManager.HIDE_IMPLICIT_ONLY); } }); } mViewSearch.setVisibility(View.VISIBLE); } private SearchLiveo hideAnimation() { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) { if (getStatusBarHideColor() != -1) { mContext.getWindow().setStatusBarColor(getStatusBarHideColor()); } else { mContext.getWindow().setStatusBarColor(getColorPrimaryDark()); } final Animator animatorHide = ViewAnimationUtils.createCircularReveal(mViewSearch, mViewSearch.getWidth() - (int) dpToPixel(24, mContext), (int) dpToPixel(23, mContext), (float) Math.hypot(mViewSearch.getWidth(), mViewSearch.getHeight()), 0); animatorHide.addListener(new Animator.AnimatorListener() { @Override public void onAnimationStart(Animator animation) { mContext.runOnUiThread(new Runnable() { @Override public void run() { ((InputMethodManager) mContext.getSystemService(Context.INPUT_METHOD_SERVICE)) .hideSoftInputFromWindow(mRecyclerView.getWindowToken(), 0); } }); } @Override public void onAnimationEnd(Animator animation) { mViewSearch.setVisibility(View.GONE); } @Override public void onAnimationCancel(Animator animation) { } @Override public void onAnimationRepeat(Animator animation) { } }); animatorHide.setDuration(200); animatorHide.start(); } else { mContext.runOnUiThread(new Runnable() { @Override public void run() { ((InputMethodManager) mContext.getSystemService(Context.INPUT_METHOD_SERVICE)) .hideSoftInputFromWindow(mRecyclerView.getWindowToken(), 0); } }); Animation mFadeOut = AnimationUtils.loadAnimation(mContext.getApplicationContext(), android.R.anim.fade_out); mViewSearch.setAnimation(mFadeOut); mViewSearch.setVisibility(View.INVISIBLE); } mEdtSearch.setText(""); mViewSearch.setEnabled(false); return this; } private int getColorPrimaryDark() { return mColorPrimaryDark; } private void setColorPrimaryDark(int mColorPrimaryDark) { this.mColorPrimaryDark = ContextCompat.getColor(mContext, mColorPrimaryDark); } private float dpToPixel(float dp, Context context) { Resources resources = context.getResources(); DisplayMetrics metrics = resources.getDisplayMetrics(); return dp * (metrics.densityDpi / 160f); } @Override public Parcelable onSaveInstanceState() { Bundle bundle = new Bundle(); bundle.putParcelable(INSTANCE_STATE, super.onSaveInstanceState()); bundle.putBoolean(STATE_TO_SAVE, this.isActive()); if (!mEdtSearch.getText().toString().trim().equals("")) { bundle.putString(SEARCH_TEXT, mEdtSearch.getText().toString()); } return bundle; } @Override public void onRestoreInstanceState(Parcelable state) { if (state instanceof Bundle) { Bundle bundle = (Bundle) state; this.setActive(bundle.getBoolean(STATE_TO_SAVE)); String text = bundle.getString(SEARCH_TEXT, ""); if (!text.trim().equals("")) { mEdtSearch.setText(text); } if (this.isActive()) { show(); } state = bundle.getParcelable(INSTANCE_STATE); } super.onRestoreInstanceState(state); } private void startVoice(EditText editText) { ((InputMethodManager) mContext.getSystemService(Context.INPUT_METHOD_SERVICE)) .hideSoftInputFromWindow(editText.getWindowToken(), 0); Intent intent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH); intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, RecognizerIntent.LANGUAGE_MODEL_FREE_FORM); intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE, Locale.getDefault()); intent.putExtra(RecognizerIntent.EXTRA_PROMPT, mContext.getString(R.string.searchview_voice)); try { mContext.startActivityForResult(intent, REQUEST_CODE_SPEECH_INPUT); } catch (ActivityNotFoundException a) { Toast.makeText(mContext.getApplicationContext(), R.string.not_supported, Toast.LENGTH_SHORT).show(); } } public void resultVoice(int requestCode, int resultCode, Intent data) { if (requestCode == SearchLiveo.REQUEST_CODE_SPEECH_INPUT) { if (resultCode == Activity.RESULT_OK && null != data) { ArrayList<String> result = data.getStringArrayListExtra(RecognizerIntent.EXTRA_RESULTS); mEdtSearch.setText(result.get(0)); } } } }