20161107
Flagmentにclass Rectangle extends View を入れる
//BlankFragment.java
package com.example.kunihiro.myapplication;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.LinearLayout;
public class BlankFragment extends Fragment {
public BlankFragment() {
}
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view= inflater.inflate(R.layout.fragment_blank, container, false);
LinearLayout linearLayout = (LinearLayout) view.findViewById(R.id.linearlayout_in_fragment_blank_xml);
linearLayout.addView(new Rectangle(getActivity()));
return view;
}
}
//Rectangle.java
package com.example.kunihiro.myapplication;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Rect;
import android.view.View;
class Rectangle extends View {
Paint paint = new Paint();
public Rectangle(Context context) {
super(context);
}
public void onDraw(Canvas canvas) {
paint.setColor(Color.RED);
Rect rect = new Rect(20, 56, 200, 112);
canvas.drawRect(rect, paint );
}
}
flagment_blank.xml
<LinearLayout 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"
tools:context="com.example.kunihiro.myapplication.BlankFragment"
android:id="@+id/linearlayout"
android:weightSum="1"
android:orientation="vertical">
<LinearLayout
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="184dp"
android:layout_weight="0.12"
android:id="@+id/linearlayout_in_fragment_blank_xml"></LinearLayout>
<Button
android:text="Button"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/button2"
android:layout_weight="0.12" />
</LinearLayout>
20161107
getLayoutInflater().inflate
ボタンでlayout1からlayout2へ
//MainActivity.java
package com.example.kunihiro.myapplication;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.LinearLayout;
public class MainActivity extends AppCompatActivity {
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
final LinearLayout linearLayout = (LinearLayout)findViewById(R.id.blanklayout_in_activity_main);
findViewById(R.id.button_to_layout1).setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
linearLayout.removeAllViews();
getLayoutInflater().inflate(R.layout.layout1, linearLayout);
}
});
findViewById(R.id.button_to_layout2).setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
linearLayout.removeAllViews();
getLayoutInflater().inflate(R.layout.layout2, linearLayout);
}
});
}
}
//activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<LinearLayout
android:layout_height="wrap_content"
android:id="@+id/blanklayout_in_activity_main"
android:layout_width="fill_parent"
android:layout_weight="1"
android:orientation="horizontal">
</LinearLayout>
<Button android:text="To layout1"
android:id="@+id/button_to_layout1"
android:layout_width="match_parent"
android:layout_height="wrap_content">
</Button>
<Button android:text="To layout2"
android:id="@+id/button_to_layout2"
android:layout_width="match_parent"
android:layout_height="wrap_content">
</Button>
//layout1.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<TextView
android:text="This is layout1"
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="30sp" />
</LinearLayout>
//layout2.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent" >
<TextView
android:text="This is layout2"
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="30sp" />
</LinearLayout>