以下是波纹管代码，并希望通过使用android的放大和缩小按钮来进行放大和缩小设施。
public class ShowDescription extends Activity{
@Override
public void onCreate(Bundle savedInstanceState){
new LoadDetails(this).execute();
super.onCreate(savedInstanceState);
setContentView(R.layout.showdescription);
String theStory = null;
String pubDate = null;
String storyTitle = null;
String writer = null;
//String test = null;
Intent intent = getIntent();
if (intent != null) {
Bundle b = intent.getExtras();
if (b == null) {
theStory = "bad bundle?";
} else {
storyTitle =ComplexScript.UTF2ANSI(ComplexScript.swap(b.getString("title")))+"\n\n";
//pubDate=ComplexScript.UTF2ANSI(ComplexScript.swap(ComplexScript.Replace(b.getString("pubdate"))))+ "\n\n";
pubDate=ComplexScript.Replace(b.getString("pubdate"))+"\n";
writer=ComplexScript.UTF2ANSI(ComplexScript.swap(b.getString("writers")))+",\n"+ComplexScript.UTF2ANSI(ComplexScript.swap(b.getString("initial")))+"\n";
theStory =ComplexScript.UTF2ANSI(ComplexScript.swap(b.getString("description"))).replace('\n', ' ').replaceAll(" "," ").replaceAll("‘","Ô").replaceAll("’","Õ");
//+ "\n\nMore information:\n" + b.getString("link");
//test=b.getString("image");
}
} else {
theStory = "Information not found.";
}
//Bitmap bimage= getBitmapFromURL(test);
//iv.setImageBitmap(bimage);
Typeface tf = Typeface.createFromAsset(getAssets(),
"font/SutonnyMJ.ttf");
TextView story = (TextView)findViewById(R.id.storybox);
story.setText(Html.fromHtml("<h1><font color='#B10000'>"+storyTitle+"</font></h1><small>"+pubDate+"<br/>"+writer+"</small><p>"+theStory+"</p>"));
story.setTypeface(tf);
story.setLineSpacing(1,(float) 1.5);
TextView moto =(TextView)findViewById(R.id.moto);
moto.setText("msev` we‡bv`b mviv¶Y");
moto.setTypeface(tf);
Button backButton = (Button)findViewById(R.id.back);
backButton.setTypeface(tf);
TextView tv = (TextView) findViewById(R.id.footer);
tv.setTypeface(tf);
backButton.setOnClickListener(new Button.OnClickListener(){
public void onClick(View v) {
finish();
}
});
}}
以下是XML文件
<?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" android:background="#FFF" android:orientation="vertical">
<ImageView android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:background="#86878A"
android:contentDescription="@string/app_name"
android:src="@drawable/logobn24"/>
<TextView android:id="@+id/moto"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:background="#86878A"
android:textColor="#FFF"
android:gravity="center"/>
<TextView android:id="@+id/title"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:background="#86878A"/>
<ScrollView android:id="@+id/scrollView1"
android:layout_width="match_parent"
android:layout_height="0dip"
android:layout_weight="1">
<RelativeLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:background="#FFF"
android:orientation="vertical" >
<!-- android:textColor="#4e4e4e" -->
<ImageView android:id="@+id/img"
android:layout_width="150dp"
android:layout_height="100dp"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:contentDescription="@string/des"/>
<TextView android:id="@+id/storybox"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_below="@+id/img"
android:background="#FFFFFF"
android:paddingLeft="10dp"
android:textColor="#000"
android:textSize="18dp"
android:paddingTop="10dp"/>
</RelativeLayout>
</ScrollView>
<Button android:id="@+id/back"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/back"/>
<TextView android:id="@+id/footer"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:background="#86878A"
android:gravity="center_vertical|center_horizontal"
android:text="@string/footer"
android:textColor="#FFF" android:lineSpacingMultiplier="1.3"/>
任何人都可以放大并缩小设施吗？或者只是增加或减少文本视图的文本大小故事？ 任何人都可以帮助我吗？
答案 0 :(得分：0)
如果调用TextView的方法会怎样？
public void setScaleX(float scaleX)
public void setScaleY(float scaleY)
答案 1 :(得分：0)
这可能对你有所帮助......
import android.content.Context;
import android.graphics.Canvas;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.ScaleGestureDetector;
import android.widget.TextView;
public class ResizableTextViewW extends TextView {
private static final int INVALID_POINTER_ID = -1;
public static final String TAG = ResizableTextViewW.class.getSimpleName();
private float mLastTouchX;
private float mLastTouchY;
private int mActivePointerId = INVALID_POINTER_ID;
private ScaleGestureDetector mScaleDetector;
private float mScaleFactor = 1.f;
private int count = 0;
public float mPreviousScaleFactor = 1.f;
public ResizableTextViewW(Context context) {
this(context, null, 0);
}
public ResizableTextViewW(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public ResizableTextViewW(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
mScaleDetector = new ScaleGestureDetector(context, new ScaleListener());
}
@Override
public boolean onTouchEvent(MotionEvent ev) {
// Let the ScaleGestureDetector inspect all events.
mScaleDetector.onTouchEvent(ev);
return true;
}
@Override
public void onDraw(Canvas canvas) {
super.onDraw(canvas);
this.setText(String.valueOf(count));
this.setTextSize(10+count);
}
private class ScaleListener extends
ScaleGestureDetector.SimpleOnScaleGestureListener {
@Override
public boolean onScale(ScaleGestureDetector detector) {
mScaleFactor *= detector.getScaleFactor();
// Don't let the object get too small or too large.
mScaleFactor = Math.max(0.1f, Math.min(mScaleFactor, 5.0f));
if (mScaleFactor > mPreviousScaleFactor) {
count = count + 1;
invalidate();
} else if (mScaleFactor < mPreviousScaleFactor) {
if (count > 0) {
count = count - 1;
invalidate();
}
}
mPreviousScaleFactor = mScaleFactor;
return true;
}
}