下面列出了怎么用android.view.View.OnKeyListener的API类实例代码及写法，或者点击链接到github查看源代码。
/**
* 为控件做一些属性设置
*/
protected void prepareSlidingLayout() {
curtainLayoutParams = (FrameLayout.LayoutParams) curtainParent
.getLayoutParams();
ViewTreeObserver vto = curtainParent.getViewTreeObserver();
vto.addOnGlobalLayoutListener(new OnGlobalLayoutListener() {
@Override
@SuppressLint("NewApi")
public void onGlobalLayout() {
hideCurtainLayout();
ViewTreeObserver obs = curtainParent.getViewTreeObserver();
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
obs.removeOnGlobalLayoutListener(this);
} else {
obs.removeGlobalOnLayoutListener(this);
}
}
});
curtainParent.setOnTouchListener(new OnContentTouchListener());
curtainParent.setOnKeyListener(new OnKeyListener() {
@Override
public boolean onKey(View v, int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_BACK
&& getSlidingStatus() == SlidingStatus.EXPANDED) {
collapse();
return true;
} else {
return false;
}
}
});
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
hasSearchResultDataFetched = false;
setContentView(R.layout.activity_search);
searchHistoryListView = (ListView) findViewById(R.id.search_history_listview);
searchResultListView = (ListView) findViewById(R.id.search_result_listview);
// set adapter
if (null == UserCenter.instance().getSearchHistoryList(SearchActivity.this)) {
searchResultListView.setVisibility(View.GONE);
} else {
ArrayList<String> historyList = UserCenter.instance().getSearchHistoryList(SearchActivity.this);
SearchHistoryListViewAdapter adapter = new SearchHistoryListViewAdapter(this, historyList);
searchHistoryListView.setAdapter(adapter);
isSearch = true;
}
contentEditText = (EditText) findViewById(R.id.search_content_edittext);
contentEditText.addTextChangedListener(this);
searchHistoryListView.setOnItemClickListener(this);
searchResultListView.setOnItemClickListener(this);
contentEditText.setOnKeyListener(new OnKeyListener() {
@Override
public boolean onKey(View v, int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_ENTER) {// 修改回车键功能
if (contentEditText.getText().toString().trim().length() > 0) {
((InputMethodManager) getSystemService(INPUT_METHOD_SERVICE)).hideSoftInputFromWindow(SearchActivity.this.getCurrentFocus().getWindowToken(), InputMethodManager.HIDE_NOT_ALWAYS);
UserCenter.instance().addSearchHistoryList(contentEditText.getText().toString(), SearchActivity.this);
SearchDetailViewModel viewModel = (SearchDetailViewModel) ViewModelManager.manager().newViewModel(SearchListActivity.class.getName());
viewModel.wd = contentEditText.getText().toString().trim();
Route.route().nextController(SearchActivity.this, viewModel, Route.WITHOUT_RESULTCODE);
}
}
return false;
}
});
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
hasSearchResultDataFetched = false;
setContentView(R.layout.activity_search);
searchHistoryListView = (ListView) findViewById(R.id.search_history_listview);
searchResultListView = (ListView) findViewById(R.id.search_result_listview);
// set adapter
if (null == UserCenter.instance().getSearchHistoryList(SearchActivity.this)) {
searchResultListView.setVisibility(View.GONE);
} else {
ArrayList<String> historyList = UserCenter.instance().getSearchHistoryList(SearchActivity.this);
SearchHistoryListViewAdapter adapter = new SearchHistoryListViewAdapter(this, historyList);
searchHistoryListView.setAdapter(adapter);
isSearch = true;
}
contentEditText = (EditText) findViewById(R.id.search_content_edittext);
contentEditText.addTextChangedListener(this);
searchHistoryListView.setOnItemClickListener(this);
searchResultListView.setOnItemClickListener(this);
contentEditText.setOnKeyListener(new OnKeyListener() {
@Override
public boolean onKey(View v, int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_ENTER) {// 修改回车键功能
if (contentEditText.getText().toString().trim().length() > 0) {
((InputMethodManager) getSystemService(INPUT_METHOD_SERVICE)).hideSoftInputFromWindow(SearchActivity.this.getCurrentFocus().getWindowToken(), InputMethodManager.HIDE_NOT_ALWAYS);
UserCenter.instance().addSearchHistoryList(contentEditText.getText().toString(), SearchActivity.this);
SearchDetailViewModel viewModel = (SearchDetailViewModel) ViewModelManager.manager().newViewModel(SearchListActivity.class.getName());
viewModel.wd = contentEditText.getText().toString().trim();
Route.route().nextController(SearchActivity.this, viewModel, Route.WITHOUT_RESULTCODE);
}
}
return false;
}
});
}
private void initViews() {
mStartPage = getIntent().getStringExtra(EXTRA_START_PAGE);
mPostParams = getIntent().getStringExtra(EXTRA_POST_PARAMS);
llytAddrBar = (LinearLayout)findViewById(R.id.llyt1);
etUrl = (EditText) findViewById(R.id.content);
btnGo = (ImageButton)findViewById(R.id.ok);
btnGo.setOnClickListener(this);
pb1 = (ProgressBar)findViewById(R.id.pb1);
btnBack = (ImageButton)findViewById(R.id.back);
btnBack.setOnClickListener(this);
btnForward = (ImageButton)findViewById(R.id.forward);
btnForward.setOnClickListener(this);
btnHome = (ImageButton)findViewById(R.id.home);
btnHome.setOnClickListener(this);
btnStop = (ImageButton)findViewById(R.id.stop);
btnStop.setOnClickListener(this);
btnRefesh = (ImageButton)findViewById(R.id.refesh);
btnRefesh.setOnClickListener(this);
llytWebViewContainer = (LinearLayout)findViewById(R.id.ticketOnline_llytWebViewContainer);
wv1 = WebViewUtil.buildWebView(this, pb1);
wv1.setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.MATCH_PARENT));
llytWebViewContainer.addView(wv1);
etUrl.setOnKeyListener(new OnKeyListener() {
public boolean onKey(View v, int keyCode, KeyEvent event) {
if (event.getAction() == KeyEvent.ACTION_DOWN) {
switch (keyCode) {
case KeyEvent.KEYCODE_ENTER:
String url = etUrl.getText().toString();
if (!url.startsWith("http://") || !url.startsWith("https://")){
url = "http://" + url;
}
wv1.loadUrl(url);
InputMethodManager inputManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
inputManager.hideSoftInputFromWindow(
etUrl.getWindowToken(), 0);
return true;
default:
break;
}
}
return false;
}
});
if (HttpUtil.isNetworkConnected(this)){
if (mStartPage == null || "".equals(mStartPage)){
etUrl.setText(mHomePage);
wv1.loadUrl(mHomePage);
}else{
if (mPostParams == null){
etUrl.setText(mStartPage);
wv1.loadUrl(mStartPage);
}else{
//以post方式打开页面
llytAddrBar.setVisibility(View.GONE);
wv1.postUrl(mStartPage, EncodingUtils.getBytes(mPostParams, "BASE64"));
}
}
}else{
showMsg("没有网络" + SF.NO_NETWORK);
}
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.player_activity);
View root = findViewById(R.id.root);
root.setOnTouchListener(new OnTouchListener() {
@Override
public boolean onTouch(View view, MotionEvent motionEvent) {
if (motionEvent.getAction() == MotionEvent.ACTION_DOWN) {
toggleControlsVisibility();
} else if (motionEvent.getAction() == MotionEvent.ACTION_UP) {
view.performClick();
}
return true;
}
});
root.setOnKeyListener(new OnKeyListener() {
@Override
public boolean onKey(View v, int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_BACK || keyCode == KeyEvent.KEYCODE_ESCAPE
|| keyCode == KeyEvent.KEYCODE_MENU) {
return false;
}
return mediaController.dispatchKeyEvent(event);
}
});
shutterView = findViewById(R.id.shutter);
debugRootView = findViewById(R.id.controls_root);
videoFrame = (AspectRatioFrameLayout) findViewById(R.id.video_frame);
surfaceView = (SurfaceView) findViewById(R.id.surface_view);
surfaceView.getHolder().addCallback(this);
debugTextView = (TextView) findViewById(R.id.debug_text_view);
playerStateTextView = (TextView) findViewById(R.id.player_state_view);
subtitleLayout = (SubtitleLayout) findViewById(R.id.subtitles);
mediaController = new KeyCompatibleMediaController(this);
mediaController.setAnchorView(root);
retryButton = (Button) findViewById(R.id.retry_button);
retryButton.setOnClickListener(this);
videoButton = (Button) findViewById(R.id.video_controls);
audioButton = (Button) findViewById(R.id.audio_controls);
textButton = (Button) findViewById(R.id.text_controls);
CookieHandler currentHandler = CookieHandler.getDefault();
if (currentHandler != defaultCookieManager) {
CookieHandler.setDefault(defaultCookieManager);
}
audioCapabilitiesReceiver = new AudioCapabilitiesReceiver(this, this);
audioCapabilitiesReceiver.register();
}
@SuppressWarnings("deprecation")
public void showBottomView(boolean onTouchOutsideable)
{
if (this.mTheme == 0)
{
this.dialog = new Dialog(mContext);
}
else
{
this.dialog = new Dialog(mContext, mTheme);
}
this.dialog.setCanceledOnTouchOutside(onTouchOutsideable);
this.dialog.getWindow().requestFeature(Window.FEATURE_NO_TITLE);
this.dialog.setContentView(this.mContentView);
this.mContentView.setFocusable(true);
this.mContentView.setFocusableInTouchMode(true);
this.mContentView.setOnKeyListener(new OnKeyListener()
{
@Override
public boolean onKey(View v, int keyCode, KeyEvent event)
{
if (keyCode == KeyEvent.KEYCODE_MENU && event.getAction() == KeyEvent.ACTION_DOWN && dialog.isShowing())
{
dialog.dismiss();
return true;
}
return false;
}
});
Window wm = this.dialog.getWindow();
WindowManager m = wm.getWindowManager();
Display d = m.getDefaultDisplay();
WindowManager.LayoutParams p = wm.getAttributes();
p.width = (d.getWidth() * 1);
if (this.isTop)
{
p.gravity = Gravity.TOP;
}
else
{
p.gravity = Gravity.BOTTOM;
}
if (this.animationStyle != 0)
{
wm.setWindowAnimations(this.animationStyle);
}
wm.setAttributes(p);
this.dialog.show();
}
/**
* Sets the key listener.
*
* @param keyListener
*/
public void setOnKeyListener(OnKeyListener keyListener) {
mKeyListener = keyListener;
}
/**
* Sets the key listener.
*
* @param keyListener
*/
public void setOnKeyListener(OnKeyListener keyListener) {
this.keyListener = keyListener;
}
public void setOnKeyListener(OnKeyListener l) {
mRoot.setOnKeyListener(l);
}