我做了一个类似的程序。希望这对您有所帮助。在第一个活动中,可以选择四个网格数据。在下一个活动中,有一个视图分页器,其中包含两个必填页面,另外还有4个页面,这些页面与所选的网格数据相对应。
以下是主要活动MainActivity
package com.example.jeffy.viewpagerapp;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.database.Cursor;
import android.database.SQLException;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import android.os.Bundle;
import android.os.Parcel;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.util.Log;
import android.view.View;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.AdapterView;
import android.widget.Button;
import android.widget.GridView;
import java.lang.reflect.Array;
import java.util.ArrayList;
public class MainActivity extends AppCompatActivity {
SharedPreferences pref;
SharedPreferences.Editor editor;
GridView gridView;
Button button;
private static final String DATABASE_NAME = "dbForTest.db";
private static final int DATABASE_VERSION = 1;
private static final String TABLE_NAME = "diary";
private static final String TITLE = "id";
private static final String BODY = "content";
DBHelper dbHelper = new DBHelper(this);
ArrayList<String> frags = new ArrayList<String>();
ArrayList<FragmentArray> fragmentArray = new ArrayList<FragmentArray>();
String[] selectedData;
Boolean port1=false,port2=false,port3=false,port4=false;
int Iport1=1,Iport2=1,Iport3=1,Iport4=1,location;
// This Data show in grid ( Used by adapter )
CustomGridAdapter customGridAdapter = new CustomGridAdapter(MainActivity.this,GRID_DATA);
static final String[ ] GRID_DATA = new String[] {
"1" ,
"2",
"3" ,
"4"
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
frags.add("TabFragment3");
frags.add("TabFragment4");
frags.add("TabFragment5");
frags.add("TabFragment6");
dbHelper = new DBHelper(this);
dbHelper.insertContact(1,0);
dbHelper.insertContact(2,0);
dbHelper.insertContact(3,0);
dbHelper.insertContact(4,0);
final Bundle selected = new Bundle();
button = (Button) findViewById(R.id.button);
pref = getApplicationContext().getSharedPreferences("MyPref", MODE_PRIVATE);
editor = pref.edit();
gridView = (GridView) findViewById(R.id.gridView1);
gridView.setAdapter(customGridAdapter);
gridView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
//view.findViewById(R.id.grid_item_image).setVisibility(View.VISIBLE);
location = position + 1;
if (position == 0) {
Iport1++;
Iport1 = Iport1 % 2;
if (Iport1 % 2 == 1) {
//dbHelper.updateContact(1,1);
view.findViewById(R.id.grid_item_image).setVisibility(View.VISIBLE);
dbHelper.updateContact(1,1);
} else {
//dbHelper.updateContact(1,0);
view.findViewById(R.id.grid_item_image).setVisibility(View.INVISIBLE);
dbHelper.updateContact(1, 0);
}
}
if (position == 1) {
Iport2++;
Iport1 = Iport1 % 2;
if (Iport2 % 2 == 1) {
//dbHelper.updateContact(2,1);
view.findViewById(R.id.grid_item_image).setVisibility(View.VISIBLE);
dbHelper.updateContact(2, 1);
} else {
//dbHelper.updateContact(2,0);
view.findViewById(R.id.grid_item_image).setVisibility(View.INVISIBLE);
dbHelper.updateContact(2,0);
}
}
if (position == 2) {
Iport3++;
Iport3 = Iport3 % 2;
if (Iport3 % 2 == 1) {
//dbHelper.updateContact(3,1);
view.findViewById(R.id.grid_item_image).setVisibility(View.VISIBLE);
dbHelper.updateContact(3, 1);
} else {
//dbHelper.updateContact(3,0);
view.findViewById(R.id.grid_item_image).setVisibility(View.INVISIBLE);
dbHelper.updateContact(3, 0);
}
}
if (position == 3) {
Iport4++;
Iport4 = Iport4 % 2;
if (Iport4 % 2 == 1) {
//dbHelper.updateContact(4,1);
view.findViewById(R.id.grid_item_image).setVisibility(View.VISIBLE);
dbHelper.updateContact(4, 1);
} else {
//dbHelper.updateContact(4,0);
view.findViewById(R.id.grid_item_image).setVisibility(View.INVISIBLE);
dbHelper.updateContact(4,0);
}
}
}
});
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
editor.putInt("port1", Iport1);
editor.putInt("port2", Iport2);
editor.putInt("port3", Iport3);
editor.putInt("port4", Iport4);
Intent i = new Intent(MainActivity.this,Main2Activity.class);
if(Iport1==1)
i.putExtra("3","TabFragment3");
else
i.putExtra("3", "");
if(Iport2==1)
i.putExtra("4","TabFragment4");
else
i.putExtra("4","");
if(Iport3==1)
i.putExtra("5", "TabFragment5");
else
i.putExtra("5","");
if(Iport4==1)
i.putExtra("6", "TabFragment6");
else
i.putExtra("6","");
dbHelper.updateContact(0, Iport1);
dbHelper.updateContact(1, Iport2);
dbHelper.updateContact(2, Iport3);
dbHelper.updateContact(3, Iport4);
startActivity(i);
}
});
}
}
这里的TabFragment1,TabFragment2等都是要在viewpager上显示的片段。由于它们不在本项目的范围之内,所以我不显示布局。
MainActivity将使用Main2Activity
package com.example.jeffy.viewpagerapp;
import android.content.Intent;
import android.database.Cursor;
import android.os.Bundle;
import android.support.design.widget.CollapsingToolbarLayout;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.support.design.widget.TabLayout;
import android.support.v4.view.ViewPager;
import android.support.v4.widget.NestedScrollView;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.text.TextUtils;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.FrameLayout;
import java.util.ArrayList;
public class Main2Activity extends AppCompatActivity {
private ViewPager pager = null;
private PagerAdapter pagerAdapter = null;
DBHelper dbHelper;
Cursor rs;
int port1,port2,port3,port4;
//-----------------------------------------------------------------------------
@Override
public void onCreate (Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main2);
Toolbar toolbar = (Toolbar) findViewById(R.id.MyToolbar);
setSupportActionBar(toolbar);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
CollapsingToolbarLayout collapsingToolbar =
(CollapsingToolbarLayout) findViewById(R.id.collapse_toolbar);
NestedScrollView scrollView = (NestedScrollView) findViewById (R.id.nested);
scrollView.setFillViewport (true);
ArrayList<String > selectedPort = new ArrayList<String>();
Intent intent = getIntent();
String Tab3 = intent.getStringExtra("3");
String Tab4 = intent.getStringExtra("4");
String Tab5 = intent.getStringExtra("5");
String Tab6 = intent.getStringExtra("6");
TabLayout tabLayout = (TabLayout) findViewById(R.id.tab_layout);
tabLayout.addTab(tabLayout.newTab().setText("View"));
tabLayout.addTab(tabLayout.newTab().setText("All"));
selectedPort.add("TabFragment1");
selectedPort.add("TabFragment2");
if(Tab3!=null && !TextUtils.isEmpty(Tab3))
selectedPort.add(Tab3);
if(Tab4!=null && !TextUtils.isEmpty(Tab4))
selectedPort.add(Tab4);
if(Tab5!=null && !TextUtils.isEmpty(Tab5))
selectedPort.add(Tab5);
if(Tab6!=null && !TextUtils.isEmpty(Tab6))
selectedPort.add(Tab6);
dbHelper = new DBHelper(this);
// rs=dbHelper.getData(1);
// port1 = rs.getInt(rs.getColumnIndex("id"));
//
// rs=dbHelper.getData(2);
// port2 = rs.getInt(rs.getColumnIndex("id"));
//
// rs=dbHelper.getData(3);
// port3 = rs.getInt(rs.getColumnIndex("id"));
//
// rs=dbHelper.getData(4);
// port4 = rs.getInt(rs.getColumnIndex("id"));
Log.i(">>>>>>>>>>>>>>", "port 1" + port1 + "port 2" + port2 + "port 3" + port3 + "port 4" + port4);
if(Tab3!=null && !TextUtils.isEmpty(Tab3))
tabLayout.addTab(tabLayout.newTab().setText("Tab 0"));
if(Tab3!=null && !TextUtils.isEmpty(Tab4))
tabLayout.addTab(tabLayout.newTab().setText("Tab 1"));
if(Tab3!=null && !TextUtils.isEmpty(Tab5))
tabLayout.addTab(tabLayout.newTab().setText("Tab 2"));
if(Tab3!=null && !TextUtils.isEmpty(Tab6))
tabLayout.addTab(tabLayout.newTab().setText("Tab 3"));
tabLayout.setTabGravity(TabLayout.GRAVITY_FILL);
final ViewPager viewPager = (ViewPager) findViewById(R.id.view_pager);
final PagerAdapter adapter = new PagerAdapter
(getSupportFragmentManager(), tabLayout.getTabCount(), selectedPort);
viewPager.setAdapter(adapter);
viewPager.addOnPageChangeListener(new TabLayout.TabLayoutOnPageChangeListener(tabLayout));
tabLayout.setOnTabSelectedListener(new TabLayout.OnTabSelectedListener() {
@Override
public void onTabSelected(TabLayout.Tab tab) {
viewPager.setCurrentItem(tab.getPosition());
}
@Override
public void onTabUnselected(TabLayout.Tab tab) {
}
@Override
public void onTabReselected(TabLayout.Tab tab) {
}
});
// setContentView(R.layout.activity_main2);
// Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
// setSupportActionBar(toolbar);
// TabLayout tabLayout = (TabLayout) findViewById(R.id.tab_layout);
// tabLayout.addTab(tabLayout.newTab().setText("View"));
// tabLayout.addTab(tabLayout.newTab().setText("All"));
// tabLayout.addTab(tabLayout.newTab().setText("Tab 0"));
// tabLayout.addTab(tabLayout.newTab().setText("Tab 1"));
// tabLayout.addTab(tabLayout.newTab().setText("Tab 2"));
// tabLayout.addTab(tabLayout.newTab().setText("Tab 3"));
// tabLayout.setTabGravity(TabLayout.GRAVITY_FILL);
}
}
ViewPagerAdapter Viewpageradapter.class
package com.example.jeffy.viewpagerapp;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentStatePagerAdapter;
import android.support.v4.view.ViewPager;
import android.view.View;
import android.view.ViewGroup;
import java.util.ArrayList;
import java.util.List;
/**
* Created by Jeffy on 25-01-2016.
*/
public class PagerAdapter extends FragmentStatePagerAdapter {
int mNumOfTabs;
List<String> values;
public PagerAdapter(FragmentManager fm, int NumOfTabs, List<String> Port) {
super(fm);
this.mNumOfTabs = NumOfTabs;
this.values= Port;
}
@Override
public Fragment getItem(int position) {
String fragmentName = values.get(position);
Class<?> clazz = null;
Object fragment = null;
try {
clazz = Class.forName("com.example.jeffy.viewpagerapp."+fragmentName);
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
try {
fragment = clazz.newInstance();
} catch (InstantiationException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
}
return (Fragment) fragment;
}
@Override
public int getCount() {
return values.size();
}
}
main2activity acticity_main2.xml的布局
<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:id="@+id/main_content"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true">
<android.support.design.widget.AppBarLayout
android:id="@+id/MyAppbar"
android:layout_width="match_parent"
android:layout_height="256dp"
android:fitsSystemWindows="true">
<android.support.design.widget.CollapsingToolbarLayout
android:id="@+id/collapse_toolbar"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_scrollFlags="scroll|exitUntilCollapsed"
android:background="@color/material_deep_teal_500"
android:fitsSystemWindows="true">
<ImageView
android:id="@+id/bgheader"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:scaleType="centerCrop"
android:fitsSystemWindows="true"
android:background="@drawable/screen"
app:layout_collapseMode="pin" />
<android.support.v7.widget.Toolbar
android:id="@+id/MyToolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
app:layout_collapseMode="parallax" />
</android.support.design.widget.CollapsingToolbarLayout>
</android.support.design.widget.AppBarLayout>
<android.support.v4.widget.NestedScrollView
android:layout_width="match_parent"
android:id="@+id/nested"
android:layout_height="match_parent"
android:layout_gravity="fill_vertical"
app:layout_behavior="@string/appbar_scrolling_view_behavior">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<android.support.design.widget.TabLayout
android:id="@+id/tab_layout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@+id/MyToolbar"
android:background="?attr/colorPrimary"
android:elevation="6dp"
android:minHeight="?attr/actionBarSize"
android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"/>
<android.support.v4.view.ViewPager
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/view_pager"
android:layout_width="match_parent"
android:layout_height="match_parent" >
</android.support.v4.view.ViewPager>
</LinearLayout>
</android.support.v4.widget.NestedScrollView>
</android.support.design.widget.CoordinatorLayout>
Mainactivity layout
activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
app:layout_behavior="@string/appbar_scrolling_view_behavior"
tools:context="com.example.jeffy.viewpagerapp.MainActivity"
tools:showIn="@layout/activity_main">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<GridView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/gridView1"
android:numColumns="2"
android:gravity="center"
android:columnWidth="100dp"
android:stretchMode="columnWidth"
android:layout_width="fill_parent"
android:layout_height="fill_parent" >
</GridView>
<Button
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="SAVE"
android:id="@+id/button" />
</LinearLayout>
</RelativeLayout>
希望这会对某人有所帮助...如果有帮助,请单击向上按钮