android

[Solved] Somethings wrong with my code TEXTVIEW

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Make sure your verScore has the reference of TextView in XML. Try this: int verbalSc = 0; TextView verScore; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); ……….. …………….. verScore = (TextView) findViewById(R.id.your_textview); } public void verbal1(){ verbalSc = verbalSc + 1; Toast.makeText(getBaseContext(), “1”, Toast.LENGTH_SHORT).show(); verScore.setText(Integer.toString(verbalSc)); } 1 solved Somethings wrong with my code TEXTVIEW

[Solved] Android – java Cloud Firestore : NullPointerException when converting data toObject [duplicate]

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The UserSettings class has a constructor that looks like this: public UserSettings(ArrayList<User> mUser, ArrayList<UserAccountSettings> mSettings){ } This constructor doesn’t set the user and settings variables defined in this class and it is the constructor you use to create the return value of the getUserSettings method. return new UserSettings(mUser, mSettings ); // `mUser` and `mSettings` are … Read more

[Solved] E/AndroidRuntime: FATAL EXCEPTION: main [dupli] [duplicate]

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your instantiation must be inside a method check the following and under setContentView method TextView tvnum =null; Button btnMin=null; @Override protected void onCreate(Bundle savedInstanceState) //TODO solve runtime problem(E/AndroidRuntime: FATAL EXCEPTION: main) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); tvnum = (TextView) findViewById(R.id.TV_num);//creating object of TextView int id = 100;//id is first number of tv num btnMin = (Button) findViewById(R.id.btnMIN); … Read more

[Solved] I have a Java String, i need to extract only the first digits from it. for example the String: “2 fishes 3” I want to get only: “2”

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This should work 🙂 String num1 = mEtfirst.getText().toString(); char[] temp = num1.toCharArray(); int i=0; num1=””; while(Character.isDigit(temp[i])) num1=num1+Character.toString(temp[i++]); This converts the string to a character array, checks the array character by character, and stores it in num1 until a non-digit character is encountered. Edit: Also, if you want to convert num1 to an integer, use: num1=Integer.parseInt(num1); … Read more

[Solved] Using of if else statement

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You in the right direction: Intent intent; if (etOp == 11) { intent = new Intent(this, AnotherActivity.class); } else { intent = new Intent(this, ThirdActivity.class); } startActivity(intent); 2 solved Using of if else statement

[Solved] Layout Designing – Android

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In this i used a table layout to achieve your requirement…..In src you place your image from drawable… <?xml version=”1.0″ encoding=”utf-8″?> <LinearLayout xmlns:android=”http://schemas.android.com/apk/res/android” android:layout_width=”match_parent” android:layout_height=”match_parent” android:orientation=”vertical” > <RelativeLayout android:layout_width=”fill_parent” android:layout_height=”150dp” > <TextView android:layout_width=”fill_parent” android:layout_height=”fill_parent” android:background=”#c8c8c8″ /> </RelativeLayout> <TableRow android:id=”@+id/tableRow1″ android:layout_width=”match_parent” android:layout_height=”wrap_content” > <ImageView android:id=”@+id/TextView04″ android:layout_weight=”1″ android:background=”#dcdcdc” android:gravity=”center” android:padding=”20dip” android:text=”Row 2 column 1″ android:textColor=”#000000″ android:src=”https://stackoverflow.com/questions/37128554/@drawable/swara”/> <ImageView … Read more