when i start getContact activity from another activity then application has stopped. getContact activity worked fine when i write code in mainActivity means no use of intent it will work.i also tried so many solution please help me.
this is getContact Activity
package com.example.myapplication;
import android.content.Context;
import android.database.Cursor;
import android.os.Bundle;
import android.provider.ContactsContract;
import android.support.v7.app.AppCompatActivity;
import android.widget.Toast;
public class getContact extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
//Bundle extras=getIntent().getExtras();
//String name=extras.getString("ContactName");
//String SenderNum=extras.getString("SenderNum");
String name="Name";
String number=get(name,getContact.this);
Toast.makeText(getApplicationContext(), "Number "+number, Toast.LENGTH_SHORT).show();
}
public String get(String name, Context context) {
String ret=null;
String selection = ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME+" like'%" + name +"%'";
String[] projection = new String[] { ContactsContract.CommonDataKinds.Phone.NUMBER};
Cursor c = context.getContentResolver().query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI,
projection, selection, null, null);
if (c.moveToFirst()) {
ret = c.getString(0);
}
c.close();
if(ret==null)
ret = "Unsaved";
return ret;
}
}
and i am tried to start above activity using following from another activity
Intent i=new Intent(contactActivity.this,getContact.class);
startActivity(i);
finish();
And this is the output of logcat when i start activity
--------- beginning of crash
2019-06-12 09:26:17.399 6361-6361/com.example.myapplication E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.myapplication, PID: 6361
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.myapplication/com.example.myapplication.getContact}: java.lang.SecurityException: Permission Denial: opening provider com.android.providers.contacts.ContactsProvider2 from ProcessRecord{386669f 6361:com.example.myapplication/u0a335} (pid=6361, uid=10335) requires android.permission.READ_CONTACTS or android.permission.WRITE_CONTACTS
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2723)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2784)
at android.app.ActivityThread.-wrap12(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1523)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:163)
at android.app.ActivityThread.main(ActivityThread.java:6238)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:933)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:823)
Caused by: java.lang.SecurityException: Permission Denial: opening provider com.android.providers.contacts.ContactsProvider2 from ProcessRecord{386669f 6361:com.example.myapplication/u0a335} (pid=6361, uid=10335) requires android.permission.READ_CONTACTS or android.permission.WRITE_CONTACTS
at android.os.Parcel.readException(Parcel.java:1718)
at android.os.Parcel.readException(Parcel.java:1671)
at android.app.ActivityManagerProxy.getContentProvider(ActivityManagerNative.java:4267)
at android.app.ActivityThread.acquireProvider(ActivityThread.java:5579)
at android.app.ContextImpl$ApplicationContentResolver.acquireUnstableProvider(ContextImpl.java:2280)
at android.content.ContentResolver.acquireUnstableProvider(ContentResolver.java:1533)
at android.content.ContentResolver.query(ContentResolver.java:518)
at android.content.ContentResolver.query(ContentResolver.java:475)
at com.example.myapplication.getContact.get(getContact.java:27)
at com.example.myapplication.getContact.onCreate(getContact.java:19)
at android.app.Activity.performCreate(Activity.java:6857)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1119)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2676)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2784)
at android.app.ActivityThread.-wrap12(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1523)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:163)
at android.app.ActivityThread.main(ActivityThread.java:6238)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:933)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:823)
After looking into the error logs it is showing Security Exception, I believe the permissions are not granted.
Add below permissions in Manifest file
<uses-permission android:name="android.permission.WRITE_CONTACTS" />
<uses-permission android:name="android.permission.READ_CONTACTS" />
Also if you are targeting devices above Marshamallow you need to consider granting permissions from user.
requestPermissions(new String[]{READ_CONTACTS, WRITE_CONTACTS},PERMISSION_REQUEST_CODE);
Check if the permissions are already granted with
int result3 = ContextCompat.checkSelfPermission(getApplicationContext(), READ_CONTACTS);
int result4 = ContextCompat.checkSelfPermission(getApplicationContext(), WRITE_CONTACTS);
both values should be 0
You are not inflating any layout of your activity. Your onCreate method should call setContentView(R.layout.layout_name)
if you deleted this line, then add and show the error you are getting in Logcat when app crash..........
make sure :
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