android.app.ActivityOptions#makeBasic ( )源码实例Demo

@TargetApi(VERSION_CODES.P)
private void relaunchInLockTaskMode() {
    ActivityManager activityManager = getContext().getSystemService(ActivityManager.class);

    final Intent intent = new Intent(getActivity(), getActivity().getClass());
    intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

    // Ensure a new task is actually created if not already running in lock task mode
    if (!activityManager.isInLockTaskMode()){
        intent.addFlags(Intent.FLAG_ACTIVITY_MULTIPLE_TASK);
    }

    final ActivityOptions options = ActivityOptions.makeBasic();
    options.setLockTaskEnabled(true);

    try {
        startActivity(intent, options.toBundle());
        getActivity().finish();
    } catch (SecurityException e) {
        showToast("You must first whitelist the TestDPC package for LockTask");
    }
}
 

public void onStartLaunchBoundsActivity(View view) {
    Log.d(mLogTag, "** starting LaunchBoundsActivity");

    // Define the bounds in which the Activity will be launched into.
    Rect bounds = new Rect(500, 300, 100, 0);

    // Set the bounds as an activity option.
    ActivityOptions options = ActivityOptions.makeBasic();
    options.setLaunchBounds(bounds);

    // Start the LaunchBoundsActivity with the specified options
    Intent intent = new Intent(this, LaunchBoundsActivity.class);
    startActivity(intent, options.toBundle());

}
 

private boolean interceptWorkProfileChallengeIfNeeded() {
    final Intent interceptingIntent = interceptWithConfirmCredentialsIfNeeded(mAInfo, mUserId);
    if (interceptingIntent == null) {
        return false;
    }
    mIntent = interceptingIntent;
    mCallingPid = mRealCallingPid;
    mCallingUid = mRealCallingUid;
    mResolvedType = null;
    // If we are intercepting and there was a task, convert it into an extra for the
    // ConfirmCredentials intent and unassign it, as otherwise the task will move to
    // front even if ConfirmCredentials is cancelled.
    if (mInTask != null) {
        mIntent.putExtra(EXTRA_TASK_ID, mInTask.taskId);
        mInTask = null;
    }
    if (mActivityOptions == null) {
        mActivityOptions = ActivityOptions.makeBasic();
    }

    ActivityRecord homeActivityRecord = mSupervisor.getHomeActivity();
    if (homeActivityRecord != null && homeActivityRecord.getTask() != null) {
        // Showing credential confirmation activity in home task to avoid stopping multi-windowed
        // mode after showing the full-screen credential confirmation activity.
        mActivityOptions.setLaunchTaskId(homeActivityRecord.getTask().taskId);
    }

    final UserInfo parent = mUserManager.getProfileParent(mUserId);
    mRInfo = mSupervisor.resolveIntent(mIntent, mResolvedType, parent.id, 0, mRealCallingUid);
    mAInfo = mSupervisor.resolveActivity(mIntent, mRInfo, mStartFlags, null /*profilerInfo*/);
    return true;
}
 

/**
 * Creates an ActivityOptions Bundle with basic options and the LaunchDisplayId set.
 * @param displayId The id of the display to launch into.
 * @return The created bundle, or null if unsupported.
 */
public static Bundle createLaunchDisplayIdActivityOptions(int displayId) {
    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) return null;

    ActivityOptions options = ActivityOptions.makeBasic();
    options.setLaunchDisplayId(displayId);
    return options.toBundle();
}
 

public void onStartLaunchBoundsActivity(View view) {
    Log.d(mLogTag, "** starting LaunchBoundsActivity");

    // Define the bounds in which the Activity will be launched into.
    Rect bounds = new Rect(500, 300, 100, 0);

    // Set the bounds as an activity option.
    ActivityOptions options = ActivityOptions.makeBasic();
    options.setLaunchBounds(bounds);

    // Start the LaunchBoundsActivity with the specified options
    Intent intent = new Intent(this, LaunchBoundsActivity.class);
    startActivity(intent, options.toBundle());

}