Android layout does not contain parameters returned. android layout Parameters

Android layout does not contain parameters returned. android layout Parameters

Package com. example. lesson3_4; import java. util. arrayList; import java. util. list; import android. app. activity; import android. content. intent; import android. OS. bundle; import android. view. view; import android. view. view. onClickListener; import android. widget. linearLayout; import android. widget. textView; public class MainActivity extends Activity {// <> content 1.7 must be SDK> 4.4. You do not need to write List <Post> mList = new ArrayList <Post> (); // The LinearLayout titles component in the layout; @ Override protected void onCreate (Bundle savedInstanceState) {super. onCreate (savedInstanceState); setContentView (R. layout. activity_main); initData (); // key layout titles = (LinearLayout) findViewById (R. id. titles); for (int I = 0; I <mList. size (); I ++) {// use for to create multiple TextView TV = new TextView (this); // set the value TV respectively. setText (mList. get (I ). getTitle (); // You can dynamically add Multiple widgets to the layout. addView (TV); final Post post = mList. get (I); TV. setOnClickListener (new OnClickListener () {@ Override public void onClick (View v) {// set Intent intent = new Intent (MainActivity) for each TextView. this, ContentActivity. class); // If You Need To carry data, you can use the put Method of intent // Bundle // an object to be passed. serialization is required. // for internal class access, local variables must be final intent. putExtra ("post", post); startActivity (intent) ;}}}private void initData () {// load data for (int I = 0; I <3; I ++) {mList. add (new Post ("title" + (I + 1), "content" + (I + 1 )));}}}

package com.example.lesson3_4;import java.io.Serializable;public class Post implements Serializable {    private static final long serialVersionUID = -2278908915637867413L;    String title;    String content;            public String getTitle() {        return title;    }    public void setTitle(String title) {        this.title = title;    }    public String getContent() {        return content;    }    public void setContent(String content) {        this.content = content;    }    public Post(String title, String content) {        super();        this.title = title;        this.content = content;    }    @Override    public String toString() {        return "Post [title=" + title + ", content=" + content + "]";    }            }

Package com. example. lesson3_4; import android. app. activity; import android. content. intent; import android. OS. bundle; import android. view. view; import android. view. view. onClickListener; import android. widget. imageView; import android. widget. textView; public class ContentActivity extends Activity {TextView title, content; ImageView iv_back; @ Override protected void onCreate (Bundle savedInstanceState) {super. onCreate (savedInstanceState); setContentView (R. layout. activity_content); // key layout component title = (TextView) findViewById (R. id. title); content = (TextView) findViewById (R. id. content); iv_back = (ImageView) findViewById (R. id. iv_back); // obtain the data Intent intent = getIntent (); Post post = (Post) intent. getSerializableExtra ("post"); // set the title for the layout component. setText (post. getTitle (); content. setText (post. getContent (); // set the click event for ImageView and return activity iv_back.setOnClickListener (new OnClickListener () {@ Override public void onClick (View v) {finish ();}});}}

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:orientation="vertical"    android:id="@+id/titles"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="match_parent"    tools:context="com.example.lesson3_4.MainActivity" />

<? 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 = "match_parent" android: layout_height = "50dp"> <TextView android: id = "@ + id/title" android: layout_width = "wrap_content" android: layout_height = "wrap_content" android: layout_centerInParent = "true" android: padding = "5dp" android: text = "title" android: textSize = "18sp"/> <ImageView android: id = "@ + id/iv_back" android: layout_width = "wrap_content" android: layout_height = "wrap_content" android: layout_centerVertical = "true" android: layout_marginLeft = "10dp" android: src = "@ drawable/arrow_left"/> </RelativeLayout> <View android: layout_width = "match_parent" android: layout_height = "1px" android: background = "# CCC"/> <TextView android: id = "@ + id/content" android: layout_width = "match_parent" android: layout_height = "match_parent"/> </LinearLayout>

<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android"    package="com.example.lesson3_4"    android:versionCode="1"    android:versionName="1.0" >    <uses-sdk        android:minSdkVersion="15"        android:targetSdkVersion="21" />    <application        android:allowBackup="true"        android:icon="@drawable/ic_launcher"        android:label="@string/app_name"        android:theme="@style/AppTheme" >        <activity            android:name=".MainActivity"            android:label="@string/app_name" >            <intent-filter>                <action android:name="android.intent.action.MAIN" />                <category android:name="android.intent.category.LAUNCHER" />            </intent-filter>        </activity>        <activity android:name="com.example.lesson3_4.ContentActivity" >        </activity>    </application></manifest>