问题描述:

<com.numetriclabz.numandroidcharts.PieChart

android:layout_width="match_parent"

android:layout_height=0dip

android:layout_weight=1

android:layout_margin=10dp

android:[email protected]+id/piegraph

custom:pieInnerCircleRatio=128 />

my activity_report.xml

<?xml version="1.0" encoding="utf-8"?>

<android.support.design.widget.CoordinatorLayout 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:id="@+id/main_content"

android:layout_width="match_parent"

android:layout_height="match_parent"

android:fitsSystemWindows="true"

tools:context="com.retail.retailapp.ReportActivity">

<android.support.design.widget.AppBarLayout

android:id="@+id/appbar"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:paddingTop="@dimen/appbar_padding_top"

android:theme="@style/AppTheme.AppBarOverlay">

<android.support.v7.widget.Toolbar

android:id="@+id/toolbar"

android:layout_width="match_parent"

android:layout_height="?attr/actionBarSize"

android:background="?attr/colorPrimary"

app:layout_scrollFlags="scroll|enterAlways"

app:popupTheme="@style/AppTheme.PopupOverlay">

</android.support.v7.widget.Toolbar>

<android.support.design.widget.TabLayout

android:id="@+id/tabs"

android:layout_width="match_parent"

android:layout_height="wrap_content" />

</android.support.design.widget.AppBarLayout>

<com.numetriclabz.numandroidcharts.PieChart

android:layout_width="match_parent"

android:layout_height="0dp"

/>

<android.support.v4.view.ViewPager

android:id="@+id/container"

android:layout_width="match_parent"

android:layout_height="match_parent"

app:layout_behavior="@string/appbar_scrolling_view_behavior" />

<android.support.design.widget.FloatingActionButton

android:id="@+id/fab"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_gravity="end|bottom"

android:layout_margin="@dimen/fab_margin"

app:srcCompat="@android:drawable/ic_dialog_email" />

</android.support.design.widget.CoordinatorLayout>

my fragment_report.xml

<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:paddingBottom="@dimen/activity_vertical_margin"

android:paddingLeft="@dimen/activity_horizontal_margin"

android:paddingRight="@dimen/activity_horizontal_margin"

android:paddingTop="@dimen/activity_vertical_margin"

tools:context="com.retail.retailapp.ReportActivity$PlaceholderFragment">

<TextView

android:id="@+id/section_label"

android:layout_width="wrap_content"

android:layout_height="wrap_content" />

</RelativeLayout>

my ReportActivity.java

package com.retail.retailapp;

import android.support.design.widget.TabLayout;

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.support.v4.app.Fragment;

import android.support.v4.app.FragmentManager;

import android.support.v4.app.FragmentPagerAdapter;

import android.support.v4.view.ViewPager;

import android.os.Bundle;

import android.view.LayoutInflater;

import android.view.Menu;

import android.view.MenuItem;

import android.view.View;

import android.view.ViewGroup;

import android.widget.TextView;

import com.numetriclabz.numandroidcharts.ChartData;

import com.numetriclabz.numandroidcharts.DonutChart;

public class ReportActivity extends AppCompatActivity {

/**

* The {@link android.support.v4.view.PagerAdapter} that will provide

* fragments for each of the sections. We use a

* {@link FragmentPagerAdapter} derivative, which will keep every

* loaded fragment in memory. If this becomes too memory intensive, it

* may be best to switch to a

* {@link android.support.v4.app.FragmentStatePagerAdapter}.

*/

private SectionsPagerAdapter mSectionsPagerAdapter;

/**

* The {@link ViewPager} that will host the section contents.

*/

private ViewPager mViewPager;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_report);

Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);

setSupportActionBar(toolbar);

// Create the adapter that will return a fragment for each of the three

// primary sections of the activity.

mSectionsPagerAdapter = new SectionsPagerAdapter(getSupportFragmentManager());

// Set up the ViewPager with the sections adapter.

mViewPager = (ViewPager) findViewById(R.id.container);

mViewPager.setAdapter(mSectionsPagerAdapter);

TabLayout tabLayout = (TabLayout) findViewById(R.id.tabs);

tabLayout.setupWithViewPager(mViewPager);

FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);

fab.setOnClickListener(new View.OnClickListener() {

@Override

public void onClick(View view) {

Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)

.setAction("Action", null).show();

}

});

// DonutChart donut = (DonutChart) findViewById(R.id.reportGraph1);

//

// ChartData chartData = new ChartData();

// chartData.setSectorValue(4);

// donut.addSector(chartData);

// chartData = new ChartData();

// chartData.setSectorValue(3);

// donut.addSector(chartData);

// chartData = new ChartData();

// chartData.setSectorValue(8);

// donut.addSector(chartData);

// chartData.setSectorValue(5);

// donut.addSector(chartData);

//

}

@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_report, 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);

}

/**

* A placeholder fragment containing a simple view.

*/

public static class PlaceholderFragment extends Fragment {

/**

* The fragment argument representing the section number for this

* fragment.

*/

private static final String ARG_SECTION_NUMBER = "section_number";

public PlaceholderFragment() {

}

/**

* Returns a new instance of this fragment for the given section

* number.

*/

public static PlaceholderFragment newInstance(int sectionNumber) {

PlaceholderFragment fragment = new PlaceholderFragment();

Bundle args = new Bundle();

args.putInt(ARG_SECTION_NUMBER, sectionNumber);

fragment.setArguments(args);

return fragment;

}

@Override

public View onCreateView(LayoutInflater inflater, ViewGroup container,

Bundle savedInstanceState) {

View rootView = inflater.inflate(R.layout.fragment_report, container, false);

TextView textView = (TextView) rootView.findViewById(R.id.section_label);

textView.setText(getString(R.string.section_format, getArguments().getInt(ARG_SECTION_NUMBER)));

// DonutChart chart1 = (DonutChart) rootView.findViewById(R.id.reportGraph1);

return rootView;

}

}

/**

* A {@link FragmentPagerAdapter} that returns a fragment corresponding to

* one of the sections/tabs/pages.

*/

public class SectionsPagerAdapter extends FragmentPagerAdapter {

public SectionsPagerAdapter(FragmentManager fm) {

super(fm);

}

@Override

public Fragment getItem(int position) {

// getItem is called to instantiate the fragment for the given page.

// Return a PlaceholderFragment (defined as a static inner class below).

return PlaceholderFragment.newInstance(position + 1);

}

@Override

public int getCount() {

// Show 3 total pages.

return 3;

}

@Override

public CharSequence getPageTitle(int position) {

switch (position) {

case 0:

return "SECTION 1";

case 1:

return "SECTION 2";

case 2:

return "SECTION 3";

}

return null;

}

}

}

Basically when i click on reports link from Navigation main activity this ReportActivity will launch. And i want have Donut Charts on all the 3 tabs.

Can any one please help where to place my DonutChart code and How get the views on Screen.

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