<![CDATA[
private void LoadImage3(){
String filename = "ScreenShotFile1";
File file = Environment.getExternalStorageDirectory();
String path = file.getPath();
filename = path + "/" + filename + ".png";
Bitmap loadbitmap1 = BitmapFactory.decodeFile(filename);
//ファイルが開けない
if(loadbitmap1==null)
return;
Matrix mat = new Matrix();
mat.postScale(4,4);
int x1 =loadbitmap1.getWidth();
int y1 =loadbitmap1.getHeight();
Bitmap loadbitmap2 = Bitmap.createBitmap(loadbitmap1,0,0,x1,y1,mat,true); //true=アンチエイリアス
image1.setImageBitmap(loadbitmap2);
}
]]>
| |
<![CDATA[
package com.example.test32;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import android.os.Bundle;
import android.os.Environment;
import android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Color;
import android.graphics.Matrix;
import android.view.View;
import android.view.ViewGroup.LayoutParams;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.RelativeLayout;
import android.view.View.OnClickListener;
public class MainActivity extends Activity {
static final int MP = LayoutParams.MATCH_PARENT ;
RelativeLayout R_layout1;
ImageView image1;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
//-----------------------------------------
//レイアウト
R_layout1 = new RelativeLayout(this);
setContentView(R_layout1);
//背景画像用イメージビュー
image1 = new ImageView(this);
image1.setBackgroundColor(Color.argb(255, 255, 0, 0)); //背景の色（赤）
image1.setScaleType(ImageView.ScaleType.CENTER);
//image1.setScaleType(ImageView.ScaleType.FIT_CENTER);
LayoutParams params1= new LayoutParams(MP,MP);
image1.setLayoutParams(params1);
R_layout1.addView(image1);
//-----------------------------------------
//ボタン
LinearLayout L_layout1 = new LinearLayout(this);
Button button1 = new Button(this);
button1.setText("ICON");
L_layout1.addView(button1);
Button button2 = new Button(this);
button2.setText("SAVE");
L_layout1.addView(button2);
Button button3 = new Button(this);
button3.setText("LOAD");
L_layout1.addView(button3);
Button button4 = new Button(this);
button4.setText("CLR");
L_layout1.addView(button4);
R_layout1.addView(L_layout1);
//-----------------------------------------
button1.setOnClickListener( new OnClickListener() {
//アイコンをイメージビューにロード
@Override
public void onClick(View v) {
image1.setImageResource(R.drawable.ic_launcher);
}
});
//-----------------------------------------
button2.setOnClickListener( new OnClickListener() {
//このアプリのスクリーンショット
@Override
public void onClick(View v) {
ScreenShot2();
}
});
//-----------------------------------------
button3.setOnClickListener( new OnClickListener() {
//ロード
@Override
public void onClick(View v) {
LoadImage3();
}
});
//-----------------------------------------
button4.setOnClickListener( new OnClickListener() {
//クリア
@Override
public void onClick(View v) {
clearimage1();
}
});
//-----------------------------------------
}
private void clearimage1(){
image1.setImageBitmap(null);
image1.setImageDrawable(null);
System.gc();
}
private boolean ScreenShot2(){
//SDカードがあるか？
if(To_Chk_SD1()==false)
return false;
View view = R_layout1.getRootView();
String filename = "ScreenShotFile1";
File file = Environment.getExternalStorageDirectory();
String path = file.getPath();
filename = path + "/" + filename;
try {
FileOutputStream out = new FileOutputStream(filename + ".jpg");
view.setDrawingCacheEnabled(true);
Bitmap bmp = Bitmap.createBitmap(view.getDrawingCache());
view.setDrawingCacheEnabled(false);
bmp.compress(Bitmap.CompressFormat.JPEG, 100, out); //JPEG保存
out.close();
//--------------------
FileOutputStream output = new FileOutputStream(filename + ".png");
bmp.compress(Bitmap.CompressFormat.PNG, 100, output); //PNG保存
output.close();
if(bmp!=null){
//開放
bmp.recycle();
bmp = null;
}
System.gc();//応急処置
return true;
} catch (FileNotFoundException e) {
e.printStackTrace();
return false;
} catch (IOException e) {
e.printStackTrace();
return false;
}
}
public boolean To_Chk_SD1(){
//ファイルセーブ可能か？
boolean mExternalStorageAvailable = false;
boolean mExternalStorageWriteable = false;
String state = Environment.getExternalStorageState();
if (Environment.MEDIA_MOUNTED.equals(state)) {
mExternalStorageAvailable = mExternalStorageWriteable = true;
} else if (Environment.MEDIA_MOUNTED_READ_ONLY.equals(state)) {
mExternalStorageAvailable = true;
mExternalStorageWriteable = false;
} else {
mExternalStorageAvailable = mExternalStorageWriteable = false;
}
return mExternalStorageWriteable;
}
private void LoadImage3(){
String filename = "ScreenShotFile1";
File file = Environment.getExternalStorageDirectory();
String path = file.getPath();
filename = path + "/" + filename + ".png";
Bitmap loadbitmap1 = BitmapFactory.decodeFile(filename);
//ファイルが開けない
if(loadbitmap1==null)
return;
//開放//これがあると、下のSystem.gc();は不要かもしれない
image1.setImageBitmap(null);
//image1.setImageDrawable(null);
Matrix mat = new Matrix();
mat.postScale(4,4);
int x1 =loadbitmap1.getWidth();
int y1 =loadbitmap1.getHeight();
Bitmap loadbitmap2 = Bitmap.createBitmap(loadbitmap1,0,0,x1,y1,mat,true); //true=アンチエイリアス
image1.setImageBitmap(loadbitmap2);
//開放
loadbitmap1.recycle();
loadbitmap1 = null;
//System.gc();//応急処置
}
}
]]>
| |
