1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 | package com.example.programmingknowledge.thefirstapp; import android.support.v7.app.ActionBarActivity; import android.os.Bundle; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.widget.Button; import android.widget.RadioButton; import android.widget.RadioGroup; import android.widget.RatingBar; import android.widget.TextView; import android.widget.Toast; public class MainActivity extends ActionBarActivity { private static Button button_sbm; private static TextView text_v; private static RatingBar rating_b; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); listenerForRatingBar(); onButtonClickListener(); } public void listenerForRatingBar() { rating_b = (RatingBar) findViewById(R.id.ratingBar); text_v = (TextView)findViewById(R.id.textView); rating_b.setOnRatingBarChangeListener( new RatingBar.OnRatingBarChangeListener() { @Override public void onRatingChanged(RatingBar ratingBar, float rating, boolean fromUser) { text_v.setText(String.valueOf(rating)); } } ); } public void onButtonClickListener() { rating_b = (RatingBar) findViewById(R.id.ratingBar); button_sbm = (Button)findViewById(R.id.button); button_sbm.setOnClickListener( new View.OnClickListener() { @Override public void onClick(View v) { Toast.makeText(MainActivity.this, String.valueOf(rating_b.getRating()), Toast.LENGTH_SHORT).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; } @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; } return super.onOptionsItemSelected(item); } } |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 | <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".MainActivity" android:id="@+id/abc"> <RatingBar android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/ratingBar" android:layout_marginTop="32dp" android:numStars="5" android:rating="2" android:stepSize="1" android:layout_below="@+id/textView" android:layout_alignParentLeft="true" android:layout_alignParentStart="true" /> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:textAppearance="?android:attr/textAppearanceLarge" android:text="Large Text" android:id="@+id/textView" android:layout_alignParentTop="true" android:layout_alignParentLeft="true" android:layout_alignParentStart="true" /> <Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Submit" android:id="@+id/button" android:layout_below="@+id/ratingBar" android:layout_alignParentLeft="true" android:layout_alignParentStart="true" /> </RelativeLayout> |
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Extra Tags : Android, programming, tutorial, beginners , develop, ,mobile phone, Environment Setup, Application Components, Activity Lifecycle, Service Lifecycle, Application Architecture, Publishing Application, Debugging Applications, Hadnling Events, Layouts, User Interface Controls, Styles and Themes, Handling Rotation, data storage, managing media, Send Email, Send SMS, Phone Calls, Checkbox , Android components, RadioButton click listener,select multiple items,show selected checkbox
