有没有办法阻止用户通过刷卡来解雇零食吧?
我有一个应用程序,在网络登录期间显示一个小吃店,我想避免它被解雇.
根据Nikola Despotoski的建议,我已经尝试了两种解决方案:
private void startSnack(){ loadingSnack = Snackbar.make(findViewById(R.id.email_login_form), getString(R.string.logging_in), Snackbar.LENGTH_INDEFINITE) .setAction("CANCEL", new OnClickListener() { @Override public void onClick(View view) { getOps().cancelLogin(); enableControls(); } }); loadingSnack.getView().setOnTouchListener(new View.OnTouchListener() { public long mInitialTime; @Override public boolean onTouch(View v, MotionEvent event) { if (v instanceof Button) return false; //Action view was touched, proceed normally. else { switch (MotionEventCompat.getActionMasked(event)) { case MotionEvent.ACTION_DOWN: { Log.i(TAG, "ACTION_DOWN"); mInitialTime = System.currentTimeMillis(); break; } case MotionEvent.ACTION_UP: { Log.i(TAG, "ACTION_UP"); long clickDuration = System.currentTimeMillis() - mInitialTime; if (clickDuration <= ViewConfiguration.getTapTimeout()) { return false;// click event, proceed normally } } case MotionEvent.ACTION_MOVE: { Log.i(TAG, "ACTION_MOVE"); return true; } } return true; } } }); ViewGroup.LayoutParams lp = loadingSnack.getView().getLayoutParams(); if (lp != null && lp instanceof CoordinatorLayout.LayoutParams) { ((CoordinatorLayout.LayoutParams)lp).setBehavior(new DummyBehavior()); loadingSnack.getView().setLayoutParams(lp); Log.i(TAG, "Dummy behavior assigned to " + lp.toString()); } loadingSnack.show(); }
这是DummyBehavior类:
public class DummyBehavior extends CoordinatorLayout.Behavior{ /** * Debugging tag used by the Android logger. */ protected final static String TAG = DummyBehavior.class.getSimpleName(); public DummyBehavior() { Log.i(TAG, "Dummy behavior created"); StackTraceElement[] stackTrace = Thread.currentThread().getStackTrace(); Log.i(TAG, "Method " + stackTrace[2].getMethodName() ); } public DummyBehavior(Context context, AttributeSet attrs) { super(context, attrs); Log.i(TAG, "Dummy behavior created"); } @Override public boolean onInterceptTouchEvent(CoordinatorLayout parent, View child, MotionEvent ev) { Log.i(TAG, "Method " + Thread.currentThread().getStackTrace()[2].getMethodName() ); return false; } @Override public boolean onTouchEvent(CoordinatorLayout parent, View child, MotionEvent ev) { Log.i(TAG, "Method " + Thread.currentThread().getStackTrace()[2].getMethodName() ); return false; } @Override public boolean blocksInteractionBelow(CoordinatorLayout parent, View child) { Log.i(TAG, "Method " + Thread.currentThread().getStackTrace()[2].getMethodName() ); return false; } @Override public boolean layoutDependsOn(CoordinatorLayout parent, View child, View dependency) { Log.i(TAG, "Method " + Thread.currentThread().getStackTrace()[2].getMethodName() ); return false; } @Override public boolean onDependentViewChanged(CoordinatorLayout parent, View child, View dependency) { Log.i(TAG, "Method " + Thread.currentThread().getStackTrace()[2].getMethodName() ); return false; } @Override public void onDependentViewRemoved(CoordinatorLayout parent, View child, View dependency) { Log.i(TAG, "Method " + Thread.currentThread().getStackTrace()[2].getMethodName() ); } @Override public boolean isDirty(CoordinatorLayout parent, View child) { Log.i(TAG, "Method " + Thread.currentThread().getStackTrace()[2].getMethodName() ); return false; } @Override public boolean onMeasureChild(CoordinatorLayout parent, View child, int parentWidthMeasureSpec, int widthUsed, int parentHeightMeasureSpec, int heightUsed) { Log.i(TAG, "Method " + Thread.currentThread().getStackTrace()[2].getMethodName() ); return false; } @Override public boolean onLayoutChild(CoordinatorLayout parent, View child, int layoutDirection) { Log.i(TAG, "Method " + Thread.currentThread().getStackTrace()[2].getMethodName() ); return false; } @Override public boolean onStartNestedScroll(CoordinatorLayout coordinatorLayout, View child, View directTargetChild, View target, int nestedScrollAxes) { Log.i(TAG, "Method " + Thread.currentThread().getStackTrace()[2].getMethodName() ); return false; } @Override public void onNestedScrollAccepted(CoordinatorLayout coordinatorLayout, View child, View directTargetChild, View target, int nestedScrollAxes) { Log.i(TAG, "Method " + Thread.currentThread().getStackTrace()[2].getMethodName() ); } @Override public void onStopNestedScroll(CoordinatorLayout coordinatorLayout, View child, View target) { Log.i(TAG, "Method " + Thread.currentThread().getStackTrace()[2].getMethodName() ); } @Override public void onNestedScroll(CoordinatorLayout coordinatorLayout, View child, View target, int dxConsumed, int dyConsumed, int dxUnconsumed, int dyUnconsumed) { Log.i(TAG, "Method " + Thread.currentThread().getStackTrace()[2].getMethodName() ); } @Override public void onNestedPreScroll(CoordinatorLayout coordinatorLayout, View child, View target, int dx, int dy, int[] consumed) { Log.i(TAG, "Method " + Thread.currentThread().getStackTrace()[2].getMethodName() ); } @Override public boolean onNestedFling(CoordinatorLayout coordinatorLayout, View child, View target, float velocityX, float velocityY, boolean consumed) { Log.i(TAG, "Method " + Thread.currentThread().getStackTrace()[2].getMethodName() ); return false; } @Override public boolean onNestedPreFling(CoordinatorLayout coordinatorLayout, View child, View target, float velocityX, float velocityY) { Log.i(TAG, "Method " + Thread.currentThread().getStackTrace()[2].getMethodName() ); return false; } @Override public WindowInsetsCompat onApplyWindowInsets(CoordinatorLayout coordinatorLayout, View child, WindowInsetsCompat insets) { Log.i(TAG, "Method " + Thread.currentThread().getStackTrace()[2].getMethodName() ); return null; } @Override public void onRestoreInstanceState(CoordinatorLayout parent, View child, Parcelable state) { Log.i(TAG, "Method " + Thread.currentThread().getStackTrace()[2].getMethodName() ); } @Override public Parcelable onSaveInstanceState(CoordinatorLayout parent, View child) { Log.i(TAG, "Method " + Thread.currentThread().getStackTrace()[2].getMethodName() ); return null; } }
但我的小吃店在刷卡时仍然消失,这是一个典型的日志:
12-02 22:26:43.864 19598-19598/ I/DummyBehavior: Dummy behavior created 12-02 22:26:43.866 19598-19598/ I/DummyBehavior: Method12-02 22:26:43.866 19598-19598/ I/LifecycleLoggingActivity: Dummy behavior assigned to android.support.design.widget.CoordinatorLayout$LayoutParams@808c0e9 12-02 22:26:44.755 19598-19598/ I/LifecycleLoggingActivity: ACTION_DOWN 12-02 22:26:44.798 19598-19598/ I/LifecycleLoggingActivity: ACTION_MOVE 12-02 22:26:44.815 19598-19598/ I/LifecycleLoggingActivity: ACTION_MOVE 12-02 22:26:44.832 19598-19598/ I/LifecycleLoggingActivity: ACTION_MOVE 12-02 22:26:44.849 19598-19598/ I/LifecycleLoggingActivity: ACTION_MOVE 12-02 22:26:44.866 19598-19598/ I/LifecycleLoggingActivity: ACTION_MOVE 12-02 22:26:44.883 19598-19598/ I/LifecycleLoggingActivity: ACTION_MOVE
Sergei Beloz.. 17
这对我有用:
Snackbar.SnackbarLayout layout = (Snackbar.SnackbarLayout) snackbar.getView(); snackbar.setDuration(Snackbar.LENGTH_INDEFINITE); snackbar.show(); layout.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() { @Override public void onGlobalLayout() { ViewGroup.LayoutParams lp = layout.getLayoutParams(); if (lp instanceof CoordinatorLayout.LayoutParams) { ((CoordinatorLayout.LayoutParams) lp).setBehavior(new DisableSwipeBehavior()); layout.setLayoutParams(lp); } if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) { layout.getViewTreeObserver().removeOnGlobalLayoutListener(this); } else { //noinspection deprecation layout.getViewTreeObserver().removeGlobalOnLayoutListener(this); } } });
DisableSwipeBehavior的位置是:
public class DisableSwipeBehavior extends SwipeDismissBehavior{ @Override public boolean canSwipeDismissView(@NonNull View view) { return false; } }
MinceMan.. 7
Snackbar现在使用setBehavior方法对此具有实际支持。很棒的事情是,在您总是会失去一些现在可以保留的行为之前。
请注意,该包装已移动,因此您必须在“ snackbar”包装中导入“新” Snackbar。
Snackbar.make(view, stringId, Snackbar.LENGTH_LONG) .setBehavior(new NoSwipeBehavior()) .show(); class NoSwipeBehavior extends BaseTransientBottomBar.Behavior { @Override public boolean canSwipeDismissView(View child) { return false; } }
小智.. 5
这对我有用:
Snackbar snackbar = Snackbar.make(findViewById(container), R.string.offers_refreshed, Snackbar.LENGTH_LONG); final View snackbarView = snackbar.getView(); snackbar.show(); snackbarView.getViewTreeObserver().addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() { @Override public boolean onPreDraw() { snackbarView.getViewTreeObserver().removeOnPreDrawListener(this); ((CoordinatorLayout.LayoutParams) snackbarView.getLayoutParams()).setBehavior(null); return true; } });
祝好运!:)
这对我有用:
Snackbar.SnackbarLayout layout = (Snackbar.SnackbarLayout) snackbar.getView(); snackbar.setDuration(Snackbar.LENGTH_INDEFINITE); snackbar.show(); layout.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() { @Override public void onGlobalLayout() { ViewGroup.LayoutParams lp = layout.getLayoutParams(); if (lp instanceof CoordinatorLayout.LayoutParams) { ((CoordinatorLayout.LayoutParams) lp).setBehavior(new DisableSwipeBehavior()); layout.setLayoutParams(lp); } if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) { layout.getViewTreeObserver().removeOnGlobalLayoutListener(this); } else { //noinspection deprecation layout.getViewTreeObserver().removeGlobalOnLayoutListener(this); } } });
DisableSwipeBehavior的位置是:
public class DisableSwipeBehavior extends SwipeDismissBehavior{ @Override public boolean canSwipeDismissView(@NonNull View view) { return false; } }
Snackbar现在使用setBehavior方法对此具有实际支持。很棒的事情是,在您总是会失去一些现在可以保留的行为之前。
请注意,该包装已移动,因此您必须在“ snackbar”包装中导入“新” Snackbar。
Snackbar.make(view, stringId, Snackbar.LENGTH_LONG) .setBehavior(new NoSwipeBehavior()) .show(); class NoSwipeBehavior extends BaseTransientBottomBar.Behavior { @Override public boolean canSwipeDismissView(View child) { return false; } }
这对我有用:
Snackbar snackbar = Snackbar.make(findViewById(container), R.string.offers_refreshed, Snackbar.LENGTH_LONG); final View snackbarView = snackbar.getView(); snackbar.show(); snackbarView.getViewTreeObserver().addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() { @Override public boolean onPreDraw() { snackbarView.getViewTreeObserver().removeOnPreDrawListener(this); ((CoordinatorLayout.LayoutParams) snackbarView.getLayoutParams()).setBehavior(null); return true; } });
祝好运!:)