下面列出了android.support.v4.app.Fragment#isResumed ( ) 实例代码,或者点击链接到github查看源代码,也可以在右侧发表评论。
/**
* 根据栈参数获取顶层可见fragment
*
* @param fragmentManager fragment管理器
* @param parentFragment 父fragment
* @param isInStack 是否是栈中的
* @return 栈中顶层可见fragment
*/
private static Fragment getTopShowFragmentIsInStack(@NonNull final FragmentManager fragmentManager,
final Fragment parentFragment,
final boolean isInStack) {
List<Fragment> fragments = getFragments(fragmentManager);
if (fragments.isEmpty()) return parentFragment;
for (int i = fragments.size() - 1; i >= 0; --i) {
Fragment fragment = fragments.get(i);
if (fragment != null && fragment.isResumed() && fragment.isVisible() && fragment.getUserVisibleHint()) {
if (isInStack) {
if (fragment.getArguments().getBoolean(ARGS_IS_ADD_STACK)) {
return getTopShowFragmentIsInStack(fragment.getChildFragmentManager(), fragment, true);
}
} else {
return getTopShowFragmentIsInStack(fragment.getChildFragmentManager(), fragment, false);
}
}
}
return parentFragment;
}
/**
* 处理fragment回退键
* <p>如果fragment实现了OnBackClickListener接口,返回{@code true}: 表示已消费回退键事件,反之则没消费</p>
* <p>具体示例见FragmentActivity</p>
*
* @param fragmentManager fragment管理器
* @return 是否消费回退事件
*/
public static boolean dispatchBackPress(@NonNull final FragmentManager fragmentManager) {
List<Fragment> fragments = fragmentManager.getFragments();
if (fragments == null || fragments.isEmpty()) return false;
for (int i = fragments.size() - 1; i >= 0; --i) {
Fragment fragment = fragments.get(i);
if (fragment != null
&& fragment.isResumed()
&& fragment.isVisible()
&& fragment.getUserVisibleHint()
&& fragment instanceof OnBackClickListener
&& ((OnBackClickListener) fragment).onBackClick()) {
return true;
}
}
return false;
}
/**
* 根据栈参数获取顶层可见fragment
*
* @param fragmentManager fragment管理器
* @param parentFragment 父fragment
* @param isInStack 是否是栈中的
* @return 栈中顶层可见fragment
*/
private static Fragment getTopShowFragmentIsInStack(@NonNull FragmentManager fragmentManager,
Fragment parentFragment,
boolean isInStack) {
List<Fragment> fragments = getFragments(fragmentManager);
if (fragments.isEmpty())
return parentFragment;
for (int i = fragments.size() - 1; i >= 0; --i) {
Fragment fragment = fragments.get(i);
if (fragment != null && fragment.isResumed() && fragment.isVisible() && fragment.getUserVisibleHint()) {
if (isInStack) {
if (fragment.getArguments().getBoolean(ARGS_IS_ADD_STACK)) {
return getTopShowFragmentIsInStack(fragment.getChildFragmentManager(), fragment, true);
}
} else {
return getTopShowFragmentIsInStack(fragment.getChildFragmentManager(), fragment, false);
}
}
}
return parentFragment;
}
/**
* 处理fragment回退键
* <p>如果fragment实现了OnBackClickListener接口,返回{@code true}: 表示已消费回退键事件,反之则没消费</p>
* <p>具体示例见FragmentActivity</p>
*
* @param fragmentManager fragment管理器
* @return 是否消费回退事件
*/
public static boolean dispatchBackPress(@NonNull FragmentManager fragmentManager) {
List<Fragment> fragments = fragmentManager.getFragments();
if (fragments == null || fragments.isEmpty())
return false;
for (int i = fragments.size() - 1; i >= 0; --i) {
Fragment fragment = fragments.get(i);
if (fragment != null
&& fragment.isResumed()
&& fragment.isVisible()
&& fragment.getUserVisibleHint()
&& fragment instanceof OnBackClickListener
&& ((OnBackClickListener) fragment).onBackClick()) {
return true;
}
}
return false;
}
/**
* 根据栈参数获取顶层可见fragment
*
* @param fragmentManager fragment管理器
* @param parentFragment 父fragment
* @param isInStack 是否是栈中的
* @return 栈中顶层可见fragment
*/
private static Fragment getTopShowFragmentIsInStack(@NonNull FragmentManager fragmentManager,
Fragment parentFragment,
boolean isInStack) {
List<Fragment> fragments = getFragments(fragmentManager);
if (fragments.isEmpty()) return parentFragment;
for (int i = fragments.size() - 1; i >= 0; --i) {
Fragment fragment = fragments.get(i);
if (fragment != null && fragment.isResumed() && fragment.isVisible() && fragment.getUserVisibleHint()) {
if (isInStack) {
if (fragment.getArguments().getBoolean(ARGS_IS_ADD_STACK)) {
return getTopShowFragmentIsInStack(fragment.getChildFragmentManager(), fragment, true);
}
} else {
return getTopShowFragmentIsInStack(fragment.getChildFragmentManager(), fragment, false);
}
}
}
return parentFragment;
}
/**
* 处理fragment回退键
* <p>如果fragment实现了OnBackClickListener接口,返回{@code true}: 表示已消费回退键事件,反之则没消费</p>
* <p>具体示例见FragmentActivity</p>
*
* @param fragmentManager fragment管理器
* @return 是否消费回退事件
*/
public static boolean dispatchBackPress(@NonNull FragmentManager fragmentManager) {
List<Fragment> fragments = fragmentManager.getFragments();
if (fragments == null || fragments.isEmpty()) return false;
for (int i = fragments.size() - 1; i >= 0; --i) {
Fragment fragment = fragments.get(i);
if (fragment != null
&& fragment.isResumed()
&& fragment.isVisible()
&& fragment.getUserVisibleHint()
&& fragment instanceof OnBackClickListener
&& ((OnBackClickListener) fragment).onBackClick()) {
return true;
}
}
return false;
}
/**
* 根据栈参数获取顶层可见fragment
*
* @param fragmentManager fragment管理器
* @param parentFragment 父fragment
* @param isInStack 是否是栈中的
* @return 栈中顶层可见fragment
*/
private static Fragment getTopShowFragmentIsInStack(@NonNull FragmentManager fragmentManager,
Fragment parentFragment,
boolean isInStack) {
List<Fragment> fragments = getFragments(fragmentManager);
if (fragments.isEmpty()) {
return parentFragment;
}
for (int i = fragments.size() - 1; i >= 0; --i) {
Fragment fragment = fragments.get(i);
if (fragment != null && fragment.isResumed() && fragment.isVisible() && fragment.getUserVisibleHint()) {
if (isInStack) {
if (fragment.getArguments().getBoolean(ARGS_IS_ADD_STACK)) {
return getTopShowFragmentIsInStack(fragment.getChildFragmentManager(), fragment, true);
}
} else {
return getTopShowFragmentIsInStack(fragment.getChildFragmentManager(), fragment, false);
}
}
}
return parentFragment;
}
/**
* 处理fragment回退键
* <p>如果fragment实现了OnBackClickListener接口,返回{@code true}: 表示已消费回退键事件,反之则没消费</p>
* <p>具体示例见FragmentActivity</p>
*
* @param fragmentManager fragment管理器
* @return 是否消费回退事件
*/
public static boolean dispatchBackPress(@NonNull FragmentManager fragmentManager) {
List<Fragment> fragments = fragmentManager.getFragments();
if (fragments == null || fragments.isEmpty()) {
return false;
}
for (int i = fragments.size() - 1; i >= 0; --i) {
Fragment fragment = fragments.get(i);
if (fragment != null
&& fragment.isResumed()
&& fragment.isVisible()
&& fragment.getUserVisibleHint()
&& fragment instanceof OnBackClickListener
&& ((OnBackClickListener) fragment).onBackClick()) {
return true;
}
}
return false;
}
private static Fragment getTopShowIsInStack(@NonNull final FragmentManager fm,
Fragment parentFragment,
final boolean isInStack) {
List<Fragment> fragments = getFragments(fm);
for (int i = fragments.size() - 1; i >= 0; --i) {
Fragment fragment = fragments.get(i);
if (fragment != null
&& fragment.isResumed()
&& fragment.isVisible()
&& fragment.getUserVisibleHint()) {
if (isInStack) {
Bundle args = fragment.getArguments();
if (args != null && args.getBoolean(ARGS_IS_ADD_STACK)) {
return getTopShowIsInStack(fragment.getChildFragmentManager(), fragment, true);
}
} else {
return getTopShowIsInStack(fragment.getChildFragmentManager(), fragment, false);
}
}
}
return parentFragment;
}
/**
* Dispatch the back press for fragment.
*
* @param fm The manager of fragment.
* @return {@code true}: the fragment consumes the back press<br>{@code false}: otherwise
*/
public static boolean dispatchBackPress(@NonNull final FragmentManager fm) {
List<Fragment> fragments = getFragments(fm);
if (fragments == null || fragments.isEmpty()) return false;
for (int i = fragments.size() - 1; i >= 0; --i) {
Fragment fragment = fragments.get(i);
if (fragment != null
&& fragment.isResumed()
&& fragment.isVisible()
&& fragment.getUserVisibleHint()
&& fragment instanceof OnBackClickListener
&& ((OnBackClickListener) fragment).onBackClick()) {
return true;
}
}
return false;
}
public void onFragmentHiddenChanged(Fragment fragment, boolean hidden) {
if (!collectMode) return; //非收集模式 退出
if (!fragment.isResumed()) return; //未初始化 退出
if (hidden) {
onFragmentPageEnd(fragment);
} else {
onFragmentPageStart(fragment);
}
}
public void setUserVisibleHint(Fragment fragment, boolean isVisibleToUser) {
if (!collectMode) return; //非收集模式 退出
if (!fragment.isResumed()) return; //未初始化 退出
if (isVisibleToUser) {
onFragmentPageStart(fragment);
} else {
onFragmentPageEnd(fragment);
}
}
/**
* Dispatch the back press for fragment.
*
* @param fragment The fragment.
* @return {@code true}: the fragment consumes the back press<br>{@code false}: otherwise
*/
public static boolean dispatchBackPress(@NonNull final Fragment fragment) {
return fragment.isResumed()
&& fragment.isVisible()
&& fragment.getUserVisibleHint()
&& fragment instanceof OnBackClickListener
&& ((OnBackClickListener) fragment).onBackClick();
}
@Override
public boolean checkCondition() {
AppCompatActivity activity =
(AppCompatActivity) ((TestApplication) InstrumentationRegistry.getTargetContext()
.getApplicationContext()).getCurrentActivity();
Fragment fragment =
activity.getSupportFragmentManager().findFragmentById(android.R.id.content);
return fragment.isResumed();
}