Estou com um problema, criei um Circular Reveal Menu, porém não estou conseguindo mostrá-lo! Segue meu código java:
package com.example.myclinic.myclinic;
import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.content.Intent;
import android.os.Build;
import android.os.Bundle;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.view.View;
import android.support.design.widget.NavigationView;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBarDrawerToggle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.Menu;
import android.view.MenuItem;
import android.view.animation.AccelerateDecelerateInterpolator;
import android.widget.FrameLayout;
import android.widget.ImageButton;
import android.widget.LinearLayout;
import io.codetail.animation.SupportAnimator;
import io.codetail.animation.ViewAnimationUtils;
public class PrincipalActivity extends AppCompatActivity implements NavigationView.OnNavigationItemSelectedListener, View.OnClickListener {
private FrameLayout mRevealView;
private boolean hidden = true;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_principal);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
fab.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
.setAction("Action", null).show();
}
});
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
drawer.setDrawerListener(toggle);
toggle.syncState();
NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
navigationView.setNavigationItemSelectedListener(this);
mRevealView = (FrameLayout) findViewById(R.id.reveal_items);
}
@Override
public void onClick(View v) {
hideRevealView();
switch (v.getId()) {
case R.id.gallery:
break;
case R.id.audio:
break;
case R.id.video:
break;
case R.id.camera:
break;
case R.id.location:
break;
case R.id.contacts:
break;
}
}
private void hideRevealView() {
if (mRevealView.getVisibility() == View.VISIBLE) {
mRevealView.setVisibility(View.GONE);
hidden = true;
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.principal, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.menu_rapido:
mRevealView.setVisibility(View.INVISIBLE);
int cx = (mRevealView.getLeft() + mRevealView.getRight());
int cy = mRevealView.getTop();
int radius = Math.max(mRevealView.getWidth(), mRevealView.getHeight());
//Below Android LOLIPOP Version
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
SupportAnimator animator =
ViewAnimationUtils.createCircularReveal(mRevealView, cx, cy, 0, radius);
animator.setInterpolator(new AccelerateDecelerateInterpolator());
animator.setDuration(700);
SupportAnimator animator_reverse = animator.reverse();
if (hidden) {
mRevealView.setVisibility(View.VISIBLE);
animator.start();
hidden = false;
} else {
animator_reverse.addListener(new SupportAnimator.AnimatorListener() {
@Override
public void onAnimationStart() {
}
@Override
public void onAnimationEnd() {
mRevealView.setVisibility(View.INVISIBLE);
hidden = true;
}
@Override
public void onAnimationCancel() {
}
@Override
public void onAnimationRepeat() {
}
});
animator_reverse.start();
}
}
// Android LOLIPOP And ABOVE Version
else {
if (hidden) {
Animator anim = android.view.ViewAnimationUtils.createCircularReveal(mRevealView, cx, cy, 0, radius);
mRevealView.setVisibility(View.VISIBLE);
anim.start();
hidden = false;
} else {
Animator anim = android.view.ViewAnimationUtils.createCircularReveal(mRevealView, cx, cy, radius, 0);
anim.addListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
super.onAnimationEnd(animation);
mRevealView.setVisibility(View.INVISIBLE);
hidden = true;
}
});
anim.start();
}
}
return true;
case android.R.id.home:
supportFinishAfterTransition();
return true;
}
return super.onOptionsItemSelected(item);
}
@Override
public boolean onNavigationItemSelected(MenuItem item) {
int id = item.getItemId();
if (id == R.id.meus_locais) {
Intent ml = new Intent(PrincipalActivity.this, MeusLocaisActivity.class);
startActivity(ml);
} else if (id == R.id.minhas_notas) {
Intent mn = new Intent(PrincipalActivity.this, FormularioNotasActivity.class);
startActivity(mn);
} else if (id == R.id.agenda) {
Intent lo = new Intent(PrincipalActivity.this, LocalizacoesActivity.class);
startActivity(lo);
} else if (id == R.id.preferencias) {
Intent pref = new Intent(PrincipalActivity.this, PreferenciasActivity.class);
startActivity(pref);
} else if (id == R.id.contato) {
} else if (id == R.id.ajuda) {
} else if (id == R.id.sobre) {
}
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
drawer.closeDrawer(GravityCompat.START);
return true;
}
}Segue o LOG do erro:
example.myclinic.myclinic E/AndroidRuntime: FATAL EXCEPTION: main
java.lang.NullPointerException
at com.example.myclinic.myclinic.PrincipalActivity.onOptionsItemSelected(PrincipalActivity.java:109)
at android.app.Activity.onMenuItemSelected(Activity.java:2640)
at android.support.v4.app.FragmentActivity.onMenuItemSelected(FragmentActivity.java:403)
at android.support.v7.app.AppCompatActivity.onMenuItemSelected(AppCompatActivity.java:189)
at android.support.v7.view.WindowCallbackWrapper.onMenuItemSelected(WindowCallbackWrapper.java:100)
at android.support.v7.view.WindowCallbackWrapper.onMenuItemSelected(WindowCallbackWrapper.java:100)
at android.support.v7.app.ToolbarActionBar$2.onMenuItemClick(ToolbarActionBar.java:69)
at android.support.v7.widget.Toolbar$1.onMenuItemClick(Toolbar.java:169)
at android.support.v7.widget.ActionMenuView$MenuBuilderCallback.onMenuItemSelected(ActionMenuView.java:760)
at android.support.v7.view.menu.MenuBuilder.dispatchMenuItemSelected(MenuBuilder.java:811)
at android.support.v7.view.menu.MenuItemImpl.invoke(MenuItemImpl.java:152)
at android.support.v7.view.menu.MenuBuilder.performItemAction(MenuBuilder.java:958)
at android.support.v7.view.menu.MenuBuilder.performItemAction(MenuBuilder.java:948)
at android.support.v7.widget.ActionMenuView.invokeItem(ActionMenuView.java:618)
at android.support.v7.view.menu.ActionMenuItemView.onClick(ActionMenuItemView.java:139)
at android.view.View.performClick(View.java:4475)
at android.view.View$PerformClick.run(View.java:18786)
at android.os.Handler.handleCallback(Handler.java:730)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:176)
at android.app.ActivityThread.main(ActivityThread.java:5419)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:525)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1046)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:862)
at dalvik.system.NativeStart.main(Native Method)
08-16 10:00:24.159 13657-13657/com.example.myclinic.myclinic I/Process: Sending signal. PID: 13657 SIG: 9Se puderem me ajudar, ficarei muito grato!
