Структура активити
Код: Выделить всё
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#6e513b"
android:id="@+id/nested">
<Button
android:layout_width="70dp"
android:layout_height="40dp"
android:id="@+id/button10"
android:textSize="15sp"
android:textColor="#000000"
android:background="@android:drawable/btn_plus"
android:gravity="center|center_horizontal"
android:layout_alignParentTop="true"
android:layout_toRightOf="@+id/textView4"
android:layout_toEndOf="@+id/textView4" />
<ScrollView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/scrollView4"
android:layout_below="@+id/button10"
android:background="#dad0b9"
android:paddingTop="5dp"
android:paddingRight="10dp"
android:paddingLeft="10dp">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<TextView
android:id="@+id/TextView1"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:textColorLink="#c60704"
android:linksClickable="true"
android:textSize="18sp"
android:textIsSelectable="true"
android:textColor="#000000"
android:autoLink="all"
android:gravity="left"
android:clickable="true" />
</RelativeLayout>
</ScrollView>
<TextView
android:layout_width="40dp"
android:layout_height="wrap_content"
android:textAppearance="?android:attr/textAppearanceLarge"
android:text="20dp"
android:id="@+id/textView3"
android:layout_above="@+id/scrollView4"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:textColor="#ffffff"
android:textSize="13dp"
android:layout_alignParentTop="true"
android:gravity="left|center"
android:paddingLeft="5dp" />
<TextView
android:layout_width="40dp"
android:layout_height="wrap_content"
android:textAppearance="?android:attr/textAppearanceLarge"
android:text="24dp"
android:id="@+id/textView4"
android:textColor="#ffffff"
android:textSize="13dp"
android:gravity="left|center"
android:paddingLeft="5dp"
android:layout_alignParentTop="true"
android:layout_toRightOf="@+id/button9"
android:layout_toEndOf="@+id/button9"
android:layout_above="@+id/scrollView4"
android:layout_marginLeft="-20dp" />
<Button
android:layout_width="70dp"
android:layout_height="40dp"
android:id="@+id/button11"
android:textSize="15sp"
android:textColor="#000000"
android:background="@android:drawable/btn_plus"
android:gravity="center|center_horizontal"
android:layout_alignParentTop="true"
android:layout_toRightOf="@+id/textView5"
android:layout_toEndOf="@+id/textView5" />
<Button
android:layout_width="70dp"
android:layout_height="40dp"
android:id="@+id/button9"
android:textSize="15sp"
android:textColor="#000000"
android:background="@android:drawable/btn_plus"
android:gravity="center|center_horizontal"
android:layout_alignParentTop="true"
android:layout_toRightOf="@+id/textView3"
android:layout_toEndOf="@+id/textView3" />
<TextView
android:layout_width="40dp"
android:layout_height="wrap_content"
android:textAppearance="?android:attr/textAppearanceLarge"
android:text="29dp"
android:id="@+id/textView5"
android:textColor="#ffffff"
android:textSize="13dp"
android:gravity="left|center"
android:paddingLeft="5dp"
android:layout_toRightOf="@+id/button10"
android:layout_toEndOf="@+id/button10"
android:layout_above="@+id/scrollView4"
android:layout_alignParentTop="true"
android:layout_marginLeft="-20dp" />
</RelativeLayout>
Код: Выделить всё
public class chap1 extends AppCompatActivity {
TextView Text;
StringBuilder sb;
InputStream is;
BufferedReader reader;
String result;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_chap1);
ActionBar actionBar = getSupportActionBar();
actionBar.setHomeButtonEnabled(true);
actionBar.setDisplayHomeAsUpEnabled(true);
Typeface font = Typeface.createFromAsset(getAssets(), "font/aa.ttf");
try {
result = "";
sb = new StringBuilder();
is = this.getAssets().open("text1/text1.txt");
reader = new BufferedReader(new InputStreamReader(is, "UTF8"));
if (is != null) {
while ((result = reader.readLine()) != null) {
sb.append(result + "\n");
}
}
Text = (TextView) findViewById(R.id.TextView1);
Text.setText(sb);
Text.setTypeface(font);
is.close();
} catch (IOException e) {
}
Button smallSize =(Button) findViewById(R.id.button9);
Button mediumSize = (Button) findViewById(R.id.button10);
Button largeSize = (Button) findViewById(R.id.button11);
smallSize.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Text = (TextView) findViewById(R.id.TextView1);
Text.setText(sb);
Text.setTextSize(20);
}
});
mediumSize.setOnClickListener(new View.OnClickListener() {
public void onClick(View view) {
Text = (TextView) findViewById(R.id.TextView1);
Text.setText(sb);
Text.setTextSize(24);
}
}
);
largeSize.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Text = (TextView) findViewById(R.id.TextView1);
Text.setText(sb);
Text.setTextSize(29);
}
});
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if (item.getItemId() == android.R.id.home) {
finish();
}
return super.onOptionsItemSelected(item);
}