How to use swipe gesture in a view pager's page with android?

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滥情空心
滥情空心 2020-12-09 14:08

I need to take a view pager in an application which consist of three pages.

I am new to android view pager.

I have one view named TestSwipingView

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  • 2020-12-09 14:22

    This is how I implemented it. It may give you some idea too.

    Step 1 : In my main activity, I have made my page adapter and called it in onCreate().

    public class SomeActivity extends FragmentActivity {
    
        WebView mWebView;
        private boolean mFromDropdown = false;
    
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            requestWindowFeature(Window.FEATURE_NO_TITLE);
            setContentView(R.layout.tutorial_activity);
    
            Window window = getWindow();
            DisplayMetrics metrics = getResources().getDisplayMetrics();
            window.setGravity(Gravity.CENTER);
            int width = (int) (metrics.widthPixels * 1);
            int height = (int) (metrics.heightPixels * .85);
            window.setLayout(width, height);
    
            mFromDropdown = getIntent().getBooleanExtra("fromDropdown", false);
    
            MyPagerAdapter adapter = new MyPagerAdapter();
            ViewPager myPager = (ViewPager) findViewById(R.id.pager);
            myPager.setAdapter(adapter);
            myPager.setCurrentItem(0);
    
        }
    

    Step2: This is my Custom Adapter for your example:

    private class MyPagerAdapter extends PagerAdapter {
                public int getCount() {
                    return 3;
                }
    
                public Object instantiateItem(ViewGroup container, int position) {
                    LayoutInflater inflater = (LayoutInflater) container.getContext()
                            .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    
                    // Using different layouts in the view pager instead of images.
    
                    int resId = -1;
    
                           //Getting my layout's in my adapter. Three layouts defined.
                    switch (position) {
                    case 0:
                        resId = R.layout.tutorial1;
                        break;
                    case 1:
                        resId = R.layout.tutorial2;
                        break;
                    case 2:
                        resId = R.layout.tutorial3;
                        break;
    
                    }
    
                    View view = inflater.inflate(resId, container, false);
                    ((ViewPager) container).addView(view, 0);
                    return view;
                }
    
                @Override
                public void destroyItem(ViewGroup container, int position, Object object) {
                    container.removeView((View) object);
                }
    
                @Override
                public boolean isViewFromObject(View view, Object object) {
                    return view == object;
                }
    
            }
    
        }
    

    Step 3 : My Layouts:

    Main Layout :

    <?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:background="#F3F3F4"
        android:orientation="vertical" >
    
        <RelativeLayout
            android:id="@+id/tutorial_actionbar"
            android:layout_width="match_parent"
            android:layout_height="48dp" >
    
            <TextView
                android:id="@+id/tutorial_header"
                android:layout_width="wrap_content"
                android:layout_height="match_parent"
                android:gravity="center"
                android:paddingLeft="25dp"
                android:paddingRight="9dp"
                android:text="Your Text"
                android:textColor="#666666"
                android:textSize="16sp" />
        </RelativeLayout>
    
        <android.support.v4.view.ViewPager
            android:id="@+id/pager"
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:layout_weight="1"
            android:paddingLeft="9dp"
            android:paddingRight="9dp" >
        </android.support.v4.view.ViewPager>
    
    </LinearLayout>
    

    Layout to put inside the ViewPager in MainLayout:

    <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:id="@+id/linearLayout"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:background="#F3F3F4"
        android:orientation="vertical" >
    
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:background="#F3F3F4"
            android:orientation="vertical" >
    
            <LinearLayout
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:orientation="vertical"
                android:padding="18dp" >
    
                <TextView
                    android:id="@+id/tutorialText2"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:background="#F3F3F4"
                    android:text="title1_secondscreen"
                    android:textColor="#666666"
                    android:textSize="16sp"
                    android:textStyle="bold" />
    
                <TextView
                    android:id="@+id/tutorialText3"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:background="#F3F3F4"
                    android:text="header1_secondscreen"
                    android:textColor="#666666"
                    android:textSize="16sp" />
            </LinearLayout>
    
            <ImageView
                android:id="@+id/image2"
                android:layout_width="match_parent"
                android:layout_height="0dip"
                android:layout_weight="0.60"
                android:scaleType="centerInside"
                android:src="@drawable/page2" />
    
            <TextView
                android:id="@+id/tutorialText4"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center"
                android:background="#F3F3F4"
                android:padding="10dp"
                android:text="footer1_secondscreen"
                android:textColor="#666666"
                android:textSize="32sp" />
        </LinearLayout>
    
    </RelativeLayout>
    

    Layout to put inside the ViewPager in MainLayout:

    <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:id="@+id/linearLayout"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:background="#F3F3F4"
        android:orientation="vertical" >
    
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:background="#F3F3F4"
            android:orientation="vertical" >
    
            <LinearLayout
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:orientation="vertical"
                android:padding="18dp" >
    
                <TextView
                    android:id="@+id/tutorialText2"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:background="#F3F3F4"
                    android:text="title1_thirdscreen"
                    android:textColor="#666666"
                    android:textSize="16sp"
                    android:textStyle="bold" />
    
                <TextView
                    android:id="@+id/tutorialText3"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:background="#F3F3F4"
                    android:text="header1_thirdscreen"
                    android:textColor="#666666"
                    android:textSize="16sp" />
    
                <ImageView
                    android:id="@+id/image1"
                    android:layout_width="fill_parent"
                    android:layout_height="wrap_content"
                    android:scaleType="centerInside"
                    android:src="@drawable/page3" />
    
              <!--   <TextView
                    android:id="@+id/tutorialText4"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:background="#F3F3F4"
                    android:text="@string/tutoril_text3"
                    android:textColor="#666666"
                    android:textSize="16sp" /> -->
            </LinearLayout>
    
    
        </LinearLayout>
        <TextView
                    android:id="@+id/tutorialText5"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_alignParentBottom="true"
                    android:layout_centerHorizontal="true"
                    android:background="#F3F3F4"
                    android:gravity="center"
                    android:padding="10dp"
                    android:text="footer1_thirdscreen"
                    android:textColor="#666666"
                    android:textSize="32sp" />
    
    </RelativeLayout>
    

    Hope this helps you..:)..Good Luck..:)

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