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アプリケーションの電話から連絡先にアクセスしているときにエラーが発生しています。 android marshmallowのアクセス権が追加されました。私が許可を受け入れると、アプリケーションがクラッシュします。そして私はここandroid marshmallowの連絡先にアクセスする際に問題が発生する
public class ContactsDisplay extends AppCompatActivity implements OnItemClickListener,FragmentDrawer.FragmentDrawerListener {
private static String TAG = ContactsDisplay.class.getSimpleName();
private Toolbar mToolbar;
private FragmentDrawer drawerFragment;
Cursor phones;
List<String> name1 = new ArrayList<String>();
List<String> phno1 = new ArrayList<String>();
MyAdapter ma ;
Button select;
private static final int MY_PERMISSIONS_REQUEST_READ_CONTACTS = 1;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
//getActionBar().setDisplayShowTitleEnabled(false);
setContentView(R.layout.contacts_display);
mToolbar = (Toolbar) findViewById(R.id.toolbar);
ImageView img = (ImageView)findViewById(R.id.imageView10);
setSupportActionBar(mToolbar);
getSupportActionBar().setDisplayShowHomeEnabled(true);
drawerFragment = (FragmentDrawer)
getSupportFragmentManager().findFragmentById(R.id.fragment_navigation_drawer);
drawerFragment.setUp(R.id.fragment_navigation_drawer, (DrawerLayout) findViewById(R.id.drawer_layout), mToolbar);
drawerFragment.setDrawerListener(this);
// display the second navigation drawer view on app launch
displayView(0);
getAllContacts(this.getContentResolver());
ListView lv= (ListView) findViewById(R.id.lv);
ma = new MyAdapter();
lv.setAdapter(ma);
lv.setOnItemClickListener(this);
lv.setItemsCanFocus(false);
lv.setTextFilterEnabled(true);
// adding
select = (Button) findViewById(R.id.button1);
select.setOnClickListener(new OnClickListener()
{
@Override
public void onClick(View v) {
StringBuilder checkedcontacts= new StringBuilder();
System.out.println(".............."+ma.mCheckStates.size());
for(int i = 0; i < name1.size(); i++)
{
if(ma.mCheckStates.get(i)==true)
{
checkedcontacts.append(name1.get(i).toString());
checkedcontacts.append("\n");
}
else
{
System.out.println("Not Checked......"+name1.get(i).toString());
}
}
Toast.makeText(ContactsDisplay.this, checkedcontacts,Toast.LENGTH_LONG).show();
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_main, menu);
return true;
}
public void onItemClick(AdapterView<?> parent, View view, int position,
long id) {
ma.toggle(position);
}
public void getAllContacts(ContentResolver cr) {
int result = ContextCompat.checkSelfPermission(ContactsDisplay.this, Manifest.permission.READ_CONTACTS);
if (result == PackageManager.PERMISSION_GRANTED){
phones = cr.query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI, null,null,null, null);
contactsdisplay();
} else {
requestForLocationPermission();
}
}
private void requestForLocationPermission()
{
if (ActivityCompat.shouldShowRequestPermissionRationale(ContactsDisplay.this, Manifest.permission.READ_CONTACTS))
{
}
else {
ActivityCompat.requestPermissions(ContactsDisplay.this, new String[]{Manifest.permission.READ_CONTACTS}, MY_PERMISSIONS_REQUEST_READ_CONTACTS);
}
}
@Override
public void onRequestPermissionsResult(int requestCode, String permissions[], int[] grantResults)
{
switch (requestCode) {
case MY_PERMISSIONS_REQUEST_READ_CONTACTS:
if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED)
{
getAllContacts(ContactsDisplay.this.getContentResolver());
contactsdisplay();
}
break;
}
}
public void contactsdisplay() {
phones.moveToFirst();
do
{
String name=phones.getString(phones.getColumnIndex(ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME));
String phoneNumber = phones.getString(phones.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER));
System.out.println(".................."+phoneNumber);
name1.add(name);
phno1.add(phoneNumber);
}while (phones.moveToNext());
}
class MyAdapter extends BaseAdapter implements CompoundButton.OnCheckedChangeListener
{ private SparseBooleanArray mCheckStates;
LayoutInflater mInflater;
TextView tv1,tv;
CheckBox cb;
MyAdapter()
{
mCheckStates = new SparseBooleanArray(name1.size());
mInflater = (LayoutInflater)ContactsDisplay.this.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
}
@Override
public int getCount() {
// TODO Auto-generated method stub
return name1.size();
}
@Override
public Object getItem(int position) {
// TODO Auto-generated method stub
return position;
}
@Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return 0;
}
@Override
public View getView(final int position, View convertView, ViewGroup parent) {
// TODO Auto-generated method stub
View vi=convertView;
if(convertView==null)
vi = mInflater.inflate(R.layout.row, null);
TextView tv= (TextView) vi.findViewById(R.id.textView1);
tv1= (TextView) vi.findViewById(R.id.textView2);
cb = (CheckBox) vi.findViewById(R.id.checkBox_id);
tv.setText("Name :"+ name1.get(position));
tv1.setText("Phone No :"+ phno1.get(position));
cb.setTag(position);
cb.setChecked(mCheckStates.get(position, false));
cb.setOnCheckedChangeListener(this);
return vi;
}
public boolean isChecked(int position) {
return mCheckStates.get(position, false);
}
public void setChecked(int position, boolean isChecked) {
mCheckStates.put(position, isChecked);
System.out.println("hello...........");
notifyDataSetChanged();
}
public void toggle(int position) {
setChecked(position, !isChecked(position));
}
@Override
public void onCheckedChanged(CompoundButton buttonView,
boolean isChecked) {
// TODO Auto-generated method stub
mCheckStates.put((Integer) buttonView.getTag(), isChecked);
}
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
return true;
}
if(id == R.id.action_search){
/*Toast.makeText(getApplicationContext(), vault_no, Toast.LENGTH_SHORT).show();
return true;*/
logout();
}
if(id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
private void logout(){
//Creating an alert dialog to confirm logout
AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(this);
alertDialogBuilder.setMessage("Are you sure you want to logout?");
alertDialogBuilder.setPositiveButton("Yes",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface arg0, int arg1) {
//Getting out sharedpreferences
SharedPreferences preferences = getSharedPreferences(ClickToLogin.SHARED_PREF_NAME, Context.MODE_PRIVATE);
//Getting editor
SharedPreferences.Editor editor = preferences.edit();
//Puting the value false for loggedin
editor.putBoolean(ClickToLogin.LOGGEDIN_SHARED_PREF, false);
//Putting blank value to email
editor.putString(ProfileLogin.EMAIL_SHARED_PREF, "");
editor.putString(ClickToLogin.FULLNAME_SHARED_PREF, "");
editor.putString(ClickToLogin.MOBILE_SHARED_PREF, "");
editor.putString(ClickToLogin.POB_SHARED_PREF, "");
editor.putString(ClickToLogin.DOB_SHARED_PREF, "");
editor.putString(ClickToLogin.PIN_SHARED_PREF, "");
editor.putString(ClickToLogin.EMAIL_SHARED_PREF, "");
editor.putString(ClickToLogin.DOC_SHARED_PREF, "");
editor.putString(ClickToLogin.YEAR_SHARED_PREF, "");
editor.clear();
//Saving the sharedpreferences
editor.commit();
//Starting login activity
Intent intent = new Intent(ContactsDisplay.this, ProfileLogin.class);
startActivity(intent);
}
});
alertDialogBuilder.setNegativeButton("No",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface arg0, int arg1) {
}
});
//Showing the alert dialog
AlertDialog alertDialog = alertDialogBuilder.create();
alertDialog.show();
}
@Override
public void onDrawerItemSelected(View view, int position) {
displayView(position);
}
private void displayView(int position) {
Fragment fragment = null;
String title = getString(R.string.app_name);
switch (position) {
case 0:
/*fragment = new HomeFragment();*/
title = "Work Details1";
break;
case 1:
/*fragment = new ProfileFragment();
title = getString(R.string.title_profile);
break;*/
startActivity(new Intent(this, ContactsDisplay.class));
return;
case 2:
startActivity(new Intent (this,Events.class));
return;
/*fragment = new AboutFragment();
title = getString(R.string.title_about);
break;*/
case 3:
fragment = new MessagesFragment();
title = getString(R.string.title_messages);
break;
case 4:
fragment = new VideoFragment();
title = getString(R.string.title_video);
break;
case 5:
fragment = new GalleryFragment();
title = getString(R.string.title_gallery);
break;
case 6:
fragment = new GalleryFragment();
title = "Gallery";
break;
case 7:
fragment = new EventsFragment();
title = getString(R.string.title_events);
break;
default:
break;
}
if (fragment != null) {
FragmentManager fragmentManager = getSupportFragmentManager();
FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
fragmentTransaction.replace(R.id.container_body, fragment);
fragmentTransaction.commit();
// set the toolbar title
getSupportActionBar().setTitle(title);
}
}
@Override
public void onBackPressed() {
finish();
Intent intent = new Intent(ContactsDisplay.this, DocUpload.class);
intent.setAction(Intent.ACTION_MAIN);
intent.addCategory(Intent.CATEGORY_HOME);
intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
startActivity(intent);
}
}
はlogcat
06-13 05:37:22.000 11581-11581/com.example.miisky E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.miisky, PID: 11581
java.lang.RuntimeException: Failure delivering result ResultInfo{[email protected]:requestPermissions:, request=1, result=-1, data=Intent { act=android.content.pm.action.REQUEST_PERMISSIONS (has extras) }} to activity {com.example.miisky/com.example.miisky.ContactsDisplay}: java.lang.NullPointerException: Attempt to invoke interface method 'boolean android.database.Cursor.moveToNext()' on a null object reference
at android.app.ActivityThread.deliverResults(ActivityThread.java:3699)
at android.app.ActivityThread.handleSendResult(ActivityThread.java:3742)
at android.app.ActivityThread.-wrap16(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1393)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:5417)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
Caused by: java.lang.NullPointerException: Attempt to invoke interface method 'boolean android.database.Cursor.moveToNext()' on a null object reference
at com.example.miisky.ContactsDisplay.contactsdisplay(ContactsDisplay.java:199)
at com.example.miisky.ContactsDisplay.onRequestPermissionsResult(ContactsDisplay.java:190)
at android.app.Activity.dispatchRequestPermissionsResult(Activity.java:6553)
at android.app.Activity.dispatchActivityResult(Activity.java:6432)
at android.app.ActivityThread.deliverResults(ActivityThread.java:3695)
at android.app.ActivityThread.handleSendResult(ActivityThread.java:3742)
at android.app.ActivityThread.-wrap16(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1393)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:5417)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
... –
全くそれが今エラーは私はないですgone..butた..表示されませんされませんでした許可のダイアログが表示されます。何が問題なのでしょうか？ –
申し訳ありませんが、getAllContacts（this.getContentResolver（））を呼び出す必要があります。あなたも以前と同じように、作成してください。あなたの流れは完了し、あなたは許可のダイアログで表示されます。したがって、あなたのgetAllContacts（）メソッドはonCreate（）とonRequestPermissionsResult（）の両方から呼び出されます。 –