Initial revision
This commit is contained in:
Adrian Rumpold
243
app/src/main/java/de/rumpold/androiddsky/ui/DSKYActivity.java
Executable file
243
app/src/main/java/de/rumpold/androiddsky/ui/DSKYActivity.java
Executable file
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package de.rumpold.androiddsky.ui;
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import android.annotation.SuppressLint;
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import android.graphics.Color;
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import android.os.Bundle;
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import android.os.Handler;
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import android.support.annotation.IdRes;
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import android.support.v7.app.ActionBar;
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import android.support.v7.app.AppCompatActivity;
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import android.view.MotionEvent;
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import android.view.View;
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import android.widget.Button;
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import android.widget.TextView;
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import de.rumpold.androiddsky.DSKY;
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import de.rumpold.androiddsky.R;
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/**
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* An example full-screen activity that shows and hides the system UI (i.e.
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* status bar and navigation/system bar) with user interaction.
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*/
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public class DSKYActivity extends AppCompatActivity {
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/**
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* Whether or not the system UI should be auto-hidden after
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* {@link #AUTO_HIDE_DELAY_MILLIS} milliseconds.
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*/
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private static final boolean AUTO_HIDE = true;
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/**
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* If {@link #AUTO_HIDE} is set, the number of milliseconds to wait after
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* user interaction before hiding the system UI.
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*/
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private static final int AUTO_HIDE_DELAY_MILLIS = 3000;
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/**
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* Some older devices needs a small delay between UI widget updates
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* and a change of the status and navigation bar.
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*/
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private static final int UI_ANIMATION_DELAY = 300;
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private final Handler mHideHandler = new Handler();
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private View mContentView;
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private final Runnable mHidePart2Runnable = new Runnable() {
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@SuppressLint("InlinedApi")
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@Override
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public void run() {
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// Delayed removal of status and navigation bar
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// Note that some of these constants are new as of API 16 (Jelly Bean)
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// and API 19 (KitKat). It is safe to use them, as they are inlined
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// at compile-time and do nothing on earlier devices.
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mContentView.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LOW_PROFILE
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| View.SYSTEM_UI_FLAG_FULLSCREEN
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| View.SYSTEM_UI_FLAG_LAYOUT_STABLE
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| View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
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| View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
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| View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);
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}
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};
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private View mControlsView;
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private final Runnable mShowPart2Runnable = new Runnable() {
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@Override
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public void run() {
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// Delayed display of UI elements
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ActionBar actionBar = getSupportActionBar();
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if (actionBar != null) {
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actionBar.show();
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}
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mControlsView.setVisibility(View.VISIBLE);
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}
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};
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private boolean mVisible;
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private final Runnable mHideRunnable = new Runnable() {
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@Override
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public void run() {
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hide();
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}
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};
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private final DSKY dsky = new DSKY(this);
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public void updateIndicator(@IdRes final int id, final boolean state) {
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mHideHandler.post(new Runnable() {
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@Override
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public void run() {
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TextView indicator = (TextView) findViewById(id);
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if (indicator != null) {
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if (state) {
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final int color;
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if ("right".equals(indicator.getTag())) {
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color = getResources().getColor(R.color.indicatorRightActive);
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} else {
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color = getResources().getColor(R.color.indicatorActive);
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}
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indicator.setBackgroundColor(color);
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} else {
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indicator.setBackgroundColor(getResources().getColor(R.color.indicatorPassive));
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}
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}
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}
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});
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}
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public void updateDisplay(@IdRes final int id, final String value) {
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mHideHandler.post(new Runnable() {
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@Override
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public void run() {
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TextView display = (TextView) findViewById(id);
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display.setText(value);
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}
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});
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}
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/**
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* Touch listener to use for in-layout UI controls to delay hiding the
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* system UI. This is to prevent the jarring behavior of controls going away
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* while interacting with activity UI.
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*/
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private final View.OnTouchListener mDelayHideTouchListener = new View.OnTouchListener() {
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@Override
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public boolean onTouch(View view, MotionEvent motionEvent) {
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if (AUTO_HIDE) {
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delayedHide(AUTO_HIDE_DELAY_MILLIS);
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}
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return false;
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}
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};
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_dsky);
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mVisible = true;
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mControlsView = findViewById(R.id.controlBar);
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mContentView = findViewById(R.id.contentView);
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// Set up the user interaction to manually show or hide the system UI.
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mContentView.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View view) {
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toggle();
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}
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});
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// Upon interacting with UI controls, delay any scheduled hide()
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// operations to prevent the jarring behavior of controls going away
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// while interacting with the UI.
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View.OnClickListener buttonListener = new View.OnClickListener() {
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@Override
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public void onClick(View view) {
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final Button button = (Button) view;
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dsky.buttonPressed(button.getText().toString());
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}
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};
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findViewById(R.id.btn_verb).setOnClickListener(buttonListener);
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findViewById(R.id.btn_noun).setOnClickListener(buttonListener);
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findViewById(R.id.btn_plus).setOnClickListener(buttonListener);
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findViewById(R.id.btn_minus).setOnClickListener(buttonListener);
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findViewById(R.id.btn_0).setOnClickListener(buttonListener);
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findViewById(R.id.btn_1).setOnClickListener(buttonListener);
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findViewById(R.id.btn_2).setOnClickListener(buttonListener);
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findViewById(R.id.btn_3).setOnClickListener(buttonListener);
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findViewById(R.id.btn_4).setOnClickListener(buttonListener);
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findViewById(R.id.btn_5).setOnClickListener(buttonListener);
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findViewById(R.id.btn_6).setOnClickListener(buttonListener);
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findViewById(R.id.btn_7).setOnClickListener(buttonListener);
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findViewById(R.id.btn_8).setOnClickListener(buttonListener);
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findViewById(R.id.btn_9).setOnClickListener(buttonListener);
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findViewById(R.id.btn_clr).setOnClickListener(buttonListener);
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findViewById(R.id.btn_pro).setOnClickListener(buttonListener);
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findViewById(R.id.btn_key_rel).setOnClickListener(buttonListener);
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findViewById(R.id.btn_entr).setOnClickListener(buttonListener);
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findViewById(R.id.btn_rset).setOnClickListener(buttonListener);
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}
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@Override
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protected void onPostCreate(Bundle savedInstanceState) {
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super.onPostCreate(savedInstanceState);
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// Trigger the initial hide() shortly after the activity has been
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// created, to briefly hint to the user that UI controls
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// are available.
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delayedHide(100);
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dsky.connect();
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}
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@Override
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protected void onDestroy() {
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super.onDestroy();
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dsky.disconnect();
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}
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private void toggle() {
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if (mVisible) {
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hide();
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} else {
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show();
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}
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}
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private void hide() {
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// Hide UI first
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ActionBar actionBar = getSupportActionBar();
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if (actionBar != null) {
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actionBar.hide();
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}
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mControlsView.setVisibility(View.GONE);
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mVisible = false;
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// Schedule a runnable to remove the status and navigation bar after a delay
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mHideHandler.removeCallbacks(mShowPart2Runnable);
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mHideHandler.postDelayed(mHidePart2Runnable, UI_ANIMATION_DELAY);
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}
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@SuppressLint("InlinedApi")
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private void show() {
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// Show the system bar
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mContentView.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
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| View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION);
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mVisible = true;
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// Schedule a runnable to display UI elements after a delay
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mHideHandler.removeCallbacks(mHidePart2Runnable);
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mHideHandler.postDelayed(mShowPart2Runnable, UI_ANIMATION_DELAY);
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}
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/**
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* Schedules a call to hide() in [delay] milliseconds, canceling any
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* previously scheduled calls.
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*/
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private void delayedHide(int delayMillis) {
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mHideHandler.removeCallbacks(mHideRunnable);
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mHideHandler.postDelayed(mHideRunnable, delayMillis);
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}
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}
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