下面列出了怎么用android.support.v4.view.accessibility.AccessibilityManagerCompat的API类实例代码及写法，或者点击链接到github查看源代码。
public boolean dispatchHoverEvent(MotionEvent event) {
boolean z = true;
if (!this.mManager.isEnabled() || !AccessibilityManagerCompat.isTouchExplorationEnabled(this.mManager)) {
return false;
}
switch (event.getAction()) {
case 7:
case 9:
int virtualViewId = getVirtualViewAt(event.getX(), event.getY());
updateHoveredVirtualView(virtualViewId);
if (virtualViewId == Integer.MIN_VALUE) {
z = false;
}
return z;
case 10:
if (this.mFocusedVirtualViewId == Integer.MIN_VALUE) {
return false;
}
updateHoveredVirtualView(Integer.MIN_VALUE);
return true;
default:
return false;
}
}
@Override
protected void onResume() {
super.onResume();
AccessibilityManager manager = (AccessibilityManager) getSystemService(ACCESSIBILITY_SERVICE);
List<AccessibilityServiceInfo> list = AccessibilityManagerCompat.getEnabledAccessibilityServiceList(manager,
AccessibilityServiceInfo.FEEDBACK_ALL_MASK);
System.out.println("list.size = " + list.size());
for (int i = 0; i < list.size(); i++) {
System.out.println("已经可用的服务列表 = " + list.get(i).getId());
if ("com.kale.floatbar/.service.FloatService".equals(list.get(i).getId())) {
System.out.println("已启用");
isEnabled = true;
break;
}
}
if (!isEnabled) {
showDialog(this, "激活悬浮窗", "您还没有激活悬浮窗。" + "在设置中：系统 → 辅助功能 → 服务 中激活" + getResources().getString(R.string.app_name)
+ "后，便可安全稳定的使用悬浮窗啦~", "去激活", "取消");
}
}
/**
* Dispatches hover {@link MotionEvent}s to the virtual view hierarchy when
* the Explore by Touch feature is enabled.
* <p>
* This method should be called by overriding
* {@link View#dispatchHoverEvent}:
*
* <pre>@Override
* public boolean dispatchHoverEvent(MotionEvent event) {
* if (mHelper.dispatchHoverEvent(this, event) {
* return true;
* }
* return super.dispatchHoverEvent(event);
* }
* </pre>
*
* @param event The hover event to dispatch to the virtual view hierarchy.
* @return Whether the hover event was handled.
*/
public boolean dispatchHoverEvent(MotionEvent event) {
if (!mManager.isEnabled()
|| !AccessibilityManagerCompat.isTouchExplorationEnabled(mManager)) {
return false;
}
switch (event.getAction()) {
case MotionEventCompat.ACTION_HOVER_MOVE:
case MotionEventCompat.ACTION_HOVER_ENTER:
final int virtualViewId = getVirtualViewAt(event.getX(), event.getY());
updateHoveredVirtualView(virtualViewId);
return (virtualViewId != INVALID_ID);
case MotionEventCompat.ACTION_HOVER_EXIT:
if (mFocusedVirtualViewId != INVALID_ID) {
updateHoveredVirtualView(INVALID_ID);
return true;
}
return false;
default:
return false;
}
}
/**
* Attempts to give accessibility focus to a virtual view.
* <p>
* A virtual view will not actually take focus if
* {@link AccessibilityManager#isEnabled()} returns false,
* {@link AccessibilityManager#isTouchExplorationEnabled()} returns false,
* or the view already has accessibility focus.
*
* @param virtualViewId The id of the virtual view on which to place
* accessibility focus.
* @return Whether this virtual view actually took accessibility focus.
*/
private boolean requestAccessibilityFocus(int virtualViewId) {
if (!mManager.isEnabled()
|| !AccessibilityManagerCompat.isTouchExplorationEnabled(mManager)) {
return false;
}
// TODO: Check virtual view visibility.
if (!isAccessibilityFocused(virtualViewId)) {
mFocusedVirtualViewId = virtualViewId;
// TODO: Only invalidate virtual view bounds.
mView.invalidate();
sendEventForVirtualView(virtualViewId,
AccessibilityEventCompat.TYPE_VIEW_ACCESSIBILITY_FOCUSED);
return true;
}
return false;
}
/**
* Dispatches hover {@link MotionEvent}s to the virtual view hierarchy when
* the Explore by Touch feature is enabled.
* <p>
* This method should be called by overriding
* {@link View#dispatchHoverEvent}:
*
* <pre>@Override
* public boolean dispatchHoverEvent(MotionEvent event) {
* if (mHelper.dispatchHoverEvent(this, event) {
* return true;
* }
* return super.dispatchHoverEvent(event);
* }
* </pre>
*
* @param event The hover event to dispatch to the virtual view hierarchy.
* @return Whether the hover event was handled.
*/
public boolean dispatchHoverEvent(MotionEvent event) {
if (!mManager.isEnabled()
|| !AccessibilityManagerCompat.isTouchExplorationEnabled(mManager)) {
return false;
}
switch (event.getAction()) {
case MotionEventCompat.ACTION_HOVER_MOVE:
case MotionEventCompat.ACTION_HOVER_ENTER:
final int virtualViewId = getVirtualViewAt(event.getX(), event.getY());
updateHoveredVirtualView(virtualViewId);
return (virtualViewId != INVALID_ID);
case MotionEventCompat.ACTION_HOVER_EXIT:
if (mFocusedVirtualViewId != INVALID_ID) {
updateHoveredVirtualView(INVALID_ID);
return true;
}
return false;
default:
return false;
}
}
/**
* Attempts to give accessibility focus to a virtual view.
* <p>
* A virtual view will not actually take focus if
* {@link AccessibilityManager#isEnabled()} returns false,
* {@link AccessibilityManager#isTouchExplorationEnabled()} returns false,
* or the view already has accessibility focus.
*
* @param virtualViewId The id of the virtual view on which to place
* accessibility focus.
* @return Whether this virtual view actually took accessibility focus.
*/
private boolean requestAccessibilityFocus(int virtualViewId) {
if (!mManager.isEnabled()
|| !AccessibilityManagerCompat.isTouchExplorationEnabled(mManager)) {
return false;
}
// TODO: Check virtual view visibility.
if (!isAccessibilityFocused(virtualViewId)) {
mFocusedVirtualViewId = virtualViewId;
// TODO: Only invalidate virtual view bounds.
mView.invalidate();
sendEventForVirtualView(virtualViewId,
AccessibilityEventCompat.TYPE_VIEW_ACCESSIBILITY_FOCUSED);
return true;
}
return false;
}
/**
* Dispatches hover {@link MotionEvent}s to the virtual view hierarchy when
* the Explore by Touch feature is enabled.
* <p>
* This method should be called by overriding
* {@link View#dispatchHoverEvent}:
*
* <pre>@Override
* public boolean dispatchHoverEvent(MotionEvent event) {
* if (mHelper.dispatchHoverEvent(this, event) {
* return true;
* }
* return super.dispatchHoverEvent(event);
* }
* </pre>
*
* @param event The hover event to dispatch to the virtual view hierarchy.
* @return Whether the hover event was handled.
*/
public boolean dispatchHoverEvent(MotionEvent event) {
if (!mManager.isEnabled()
|| !AccessibilityManagerCompat.isTouchExplorationEnabled(mManager)) {
return false;
}
switch (event.getAction()) {
case MotionEventCompat.ACTION_HOVER_MOVE:
case MotionEventCompat.ACTION_HOVER_ENTER:
final int virtualViewId = getVirtualViewAt(event.getX(), event.getY());
updateHoveredVirtualView(virtualViewId);
return (virtualViewId != INVALID_ID);
case MotionEventCompat.ACTION_HOVER_EXIT:
if (mFocusedVirtualViewId != INVALID_ID) {
updateHoveredVirtualView(INVALID_ID);
return true;
}
return false;
default:
return false;
}
}
/**
* Attempts to give accessibility focus to a virtual view.
* <p>
* A virtual view will not actually take focus if
* {@link AccessibilityManager#isEnabled()} returns false,
* {@link AccessibilityManager#isTouchExplorationEnabled()} returns false,
* or the view already has accessibility focus.
*
* @param virtualViewId The id of the virtual view on which to place
* accessibility focus.
* @return Whether this virtual view actually took accessibility focus.
*/
private boolean requestAccessibilityFocus(int virtualViewId) {
if (!mManager.isEnabled()
|| !AccessibilityManagerCompat.isTouchExplorationEnabled(mManager)) {
return false;
}
// TODO: Check virtual view visibility.
if (!isAccessibilityFocused(virtualViewId)) {
mFocusedVirtualViewId = virtualViewId;
// TODO: Only invalidate virtual view bounds.
mView.invalidate();
sendEventForVirtualView(virtualViewId,
AccessibilityEventCompat.TYPE_VIEW_ACCESSIBILITY_FOCUSED);
return true;
}
return false;
}
/**
* Registers an AccessibilityStateChangeListener that show a Toast
* when the global accessibility state on the device changes.
*/
private void registerAccessibilityStateChangeListener() {
// The AccessibilityStateChange listener APIs were added in ICS. Therefore to be
// backwards compatible we use the APIs in the support library. Note that if the
// platform API version is lower and the called API is not available no listener
// is added and you will not receive a call of onAccessibilityStateChanged.
AccessibilityManagerCompat.addAccessibilityStateChangeListener(mAccessibilityManager,
new AccessibilityStateChangeListenerCompat() {
@Override
public void onAccessibilityStateChanged(boolean enabled) {
Toast.makeText(AccessibilityManagerSupportActivity.this,
getString(R.string.accessibility_manager_accessibility_state, enabled),
Toast.LENGTH_SHORT).show();
}
});
}
@Override
protected void onResume() {
super.onResume();
AccessibilityManager manager = (AccessibilityManager) getSystemService(ACCESSIBILITY_SERVICE);
List<AccessibilityServiceInfo> list = AccessibilityManagerCompat.getEnabledAccessibilityServiceList(manager,
AccessibilityServiceInfo.FEEDBACK_ALL_MASK);
System.out.println("list.size = " + list.size());
for (int i = 0; i < list.size(); i++) {
System.out.println("已经可用的服务列表 = " + list.get(i).getId());
if ("com.kale.floatbar/.service.FloatService".equals(list.get(i).getId())) {
System.out.println("已启用");
isEnabled = true;
break;
}
}
if (!isEnabled) {
showDialog(this, "激活悬浮窗", "您还没有激活悬浮窗。" + "在设置中：系统 → 辅助功能 → 服务 中激活" + getResources().getString(R.string.app_name)
+ "后，便可安全稳定的使用悬浮窗啦~", "去激活", "取消");
}
}
/**
* Dispatches hover {@link MotionEvent}s to the virtual view hierarchy when
* the Explore by Touch feature is enabled.
* <p>
* This method should be called by overriding
* {@link View#dispatchHoverEvent}:
*
* <pre>@Override
* public boolean dispatchHoverEvent(MotionEvent event) {
* if (mHelper.dispatchHoverEvent(this, event) {
* return true;
* }
* return super.dispatchHoverEvent(event);
* }
* </pre>
*
* @param event The hover event to dispatch to the virtual view hierarchy.
* @return Whether the hover event was handled.
*/
public boolean dispatchHoverEvent(MotionEvent event) {
if (!mManager.isEnabled()
|| !AccessibilityManagerCompat.isTouchExplorationEnabled(mManager)) {
return false;
}
switch (event.getAction()) {
case MotionEventCompat.ACTION_HOVER_MOVE:
case MotionEventCompat.ACTION_HOVER_ENTER:
final int virtualViewId = getVirtualViewAt(event.getX(), event.getY());
updateHoveredVirtualView(virtualViewId);
return (virtualViewId != INVALID_ID);
case MotionEventCompat.ACTION_HOVER_EXIT:
if (mFocusedVirtualViewId != INVALID_ID) {
updateHoveredVirtualView(INVALID_ID);
return true;
}
return false;
default:
return false;
}
}
/**
* Attempts to give accessibility focus to a virtual view.
* <p>
* A virtual view will not actually take focus if
* {@link AccessibilityManager#isEnabled()} returns false,
* {@link AccessibilityManager#isTouchExplorationEnabled()} returns false,
* or the view already has accessibility focus.
*
* @param virtualViewId The id of the virtual view on which to place
* accessibility focus.
* @return Whether this virtual view actually took accessibility focus.
*/
private boolean requestAccessibilityFocus(int virtualViewId) {
if (!mManager.isEnabled()
|| !AccessibilityManagerCompat.isTouchExplorationEnabled(mManager)) {
return false;
}
// TODO: Check virtual view visibility.
if (!isAccessibilityFocused(virtualViewId)) {
mFocusedVirtualViewId = virtualViewId;
// TODO: Only invalidate virtual view bounds.
mView.invalidate();
sendEventForVirtualView(virtualViewId,
AccessibilityEventCompat.TYPE_VIEW_ACCESSIBILITY_FOCUSED);
return true;
}
return false;
}
private boolean requestAccessibilityFocus(int virtualViewId) {
if (!this.mManager.isEnabled() || !AccessibilityManagerCompat.isTouchExplorationEnabled(this.mManager) || isAccessibilityFocused(virtualViewId)) {
return false;
}
if (this.mFocusedVirtualViewId != Integer.MIN_VALUE) {
sendEventForVirtualView(this.mFocusedVirtualViewId, 65536);
}
this.mFocusedVirtualViewId = virtualViewId;
this.mView.invalidate();
sendEventForVirtualView(virtualViewId, 32768);
return true;
}
private boolean f(int l)
{
while (!g.isEnabled() || !AccessibilityManagerCompat.isTouchExplorationEnabled(g) || e(l))
{
return false;
}
j = l;
h.invalidate();
sendEventForVirtualView(l, 32768);
return true;
}
public boolean dispatchHoverEvent(MotionEvent motionevent)
{
boolean flag = true;
if (g.isEnabled() && AccessibilityManagerCompat.isTouchExplorationEnabled(g))
{
switch (motionevent.getAction())
{
case 8: // '\b'
default:
return false;
case 7: // '\007'
case 9: // '\t'
int l = getVirtualViewAt(motionevent.getX(), motionevent.getY());
a(l);
if (l == 0x80000000)
{
flag = false;
}
return flag;
case 10: // '\n'
break;
}
if (j != 0x80000000)
{
a(0x80000000);
return flag;
}
}
return false;
}
/**
* Updates the content of a TextView with description of the enabled
* accessibility services.
*/
private void updateAccessibilityStateView() {
// The API for getting the enabled accessibility services based on feedback
// type was added in ICS. Therefore to be backwards compatible we use the
// APIs in the support library. Note that if the platform API version is lower
// and the called API is not available an empty list of services is returned.
List<AccessibilityServiceInfo> enabledServices =
AccessibilityManagerCompat.getEnabledAccessibilityServiceList(mAccessibilityManager,
AccessibilityServiceInfo.FEEDBACK_SPOKEN);
if (!enabledServices.isEmpty()) {
StringBuilder builder = new StringBuilder();
final int enabledServiceCount = enabledServices.size();
for (int i = 0; i < enabledServiceCount; i++) {
AccessibilityServiceInfo service = enabledServices.get(i);
// Some new APIs were added in ICS for getting more information about
// an accessibility service. Again accessed them via the support library.
ResolveInfo resolveInfo = AccessibilityServiceInfoCompat.getResolveInfo(service);
String serviceDescription = getString(
R.string.accessibility_manager_enabled_service,
resolveInfo.loadLabel(getPackageManager()),
AccessibilityServiceInfoCompat.feedbackTypeToString(service.feedbackType),
AccessibilityServiceInfoCompat.getDescription(service),
AccessibilityServiceInfoCompat.getSettingsActivityName(service));
builder.append(serviceDescription);
}
mAccessibilityStateView.setText(builder);
} else {
// Either no services or the platform API version is not high enough.
mAccessibilityStateView.setText(getString(
R.string.accessibility_manager_no_enabled_services));
}
}