class 是 RadarSceen 然后方法 ontouch 方法是 crash 是空指针异常，这个方法使用 startradar 和 stop radar.then localRotateAnimation.setDuration(3000L) crash 是空指针异常
public class RadarScreen extends Activity implements View.OnTouchListener {
private static final String APP_TAG = "com.example.ghostsam";
private CountDownTimer countdownHideGhost = null;
private CountDownTimer countdownShowGhost = null;
private DisplayMetrics getDisplay = new DisplayMetrics();
private int getDisplayHeight;
private float getDisplayScale;
private int getDisplayWidth;
private Boolean hideGhosts = Boolean.valueOf(false);
private ImageView ivLogo = null;
private ImageView ivRadar = null;
private ImageView ivRadarGhosts = null;
private ImageView ivSignalButton = null;
private Typeface layoutFontFace;
private Boolean radarRun = Boolean.valueOf(false);
// private RotateAnimation rotateAnimation ;
private RotateAnimation localRotateAnimation;
private boolean settingsGeneralVibrate = true;
private Boolean showGhosts = Boolean.valueOf(false);
private int showGhostsZufallszahl = 0;
private Vibrator vib = null;
public Bitmap drawButton(String paramString1, String paramString2) {
Bitmap localBitmap = Bitmap
.createBitmap(this.getDisplayWidth - (int) (70.0F * this.getDisplayScale),
(int) (52.0F * this.getDisplayScale), Bitmap.Config.ARGB_8888);
Canvas localCanvas = new Canvas(localBitmap);
Paint localPaint = new Paint();
localPaint.setTypeface(this.layoutFontFace);
localPaint.setTextAlign(Paint.Align.CENTER);
localPaint.setAntiAlias(true);
localPaint.setColor(Color.parseColor(paramString2));
localCanvas.drawRoundRect(
new RectF(0.0F, 0.0F, localBitmap.getWidth(), localBitmap.getHeight()), 12.0F,
12.0F, localPaint);
localPaint.setColor(Color.parseColor("#000000"));
localCanvas.drawRoundRect(new RectF(2.0F, 2.0F, -2 + localBitmap.getWidth(),
-2 + localBitmap.getHeight()), 12.0F, 12.0F, localPaint);
localPaint.setColor(Color.parseColor(paramString2));
localPaint.setAlpha(200);
localPaint.setTextSize(32.0F * this.getDisplayScale);
localPaint.setTextScaleX(1.75F);
localPaint.setFakeBoldText(true);
localCanvas.drawText(paramString1, localBitmap.getWidth() / 2,
36.0F * this.getDisplayScale, localPaint);
return localBitmap;
}
public Bitmap drawRadar(Boolean paramBoolean) {
Bitmap localBitmap = Bitmap
.createBitmap(-50 + this.getDisplayWidth, -50 + this.getDisplayWidth,
Bitmap.Config.ARGB_8888);
Canvas localCanvas = new Canvas(localBitmap);
Paint localPaint = new Paint();
int i = (int) ((localBitmap.getWidth() - 10.0F * this.getDisplayScale) / 2.0F
+ 5.0F * this.getDisplayScale);
int j = (int) (i - 5.0F * this.getDisplayScale);
localPaint.setAntiAlias(true);
localPaint.setColor(Color.parseColor("#FFFFFF"));
localPaint.setStyle(Paint.Style.STROKE);
localPaint.setStrokeWidth(3.0F * this.getDisplayScale);
localPaint.setAlpha(75);
for (int k = 0; ; k++) {
if (k > 4) {
localPaint.setAlpha(100);
localPaint.setStyle(Paint.Style.FILL);
localPaint.setShader(new SweepGradient(i, i, 0, -16711936));
if (paramBoolean.booleanValue()) {
RectF localRectF = new RectF();
localRectF.set(i - j, i - j, i + j, i + j);
localCanvas.drawArc(localRectF, 0.0F, 360.0F, true, localPaint);
}
localPaint.setShader(null);
localPaint.setAlpha(255);
localPaint.setColor(Color.parseColor("#810003"));
localPaint.setStyle(Paint.Style.FILL);
localPaint.setStrokeWidth(0.0F);
localCanvas.drawCircle(i, i, 10.0F * this.getDisplayScale, localPaint);
return localBitmap;
}
localCanvas.drawCircle(i, i, j - k * 40 * this.getDisplayScale, localPaint);
}
}
public Bitmap drawRadarGhosts(Boolean paramBoolean) {
Bitmap localBitmap = Bitmap
.createBitmap(-50 + this.getDisplayWidth, -50 + this.getDisplayWidth,
Bitmap.Config.ARGB_8888);
Canvas localCanvas = new Canvas(localBitmap);
Paint localPaint = new Paint();
if (paramBoolean.booleanValue()) {
int i = (int) ((localBitmap.getWidth() - 10.0F * this.getDisplayScale) / 2.0F
+ 5.0F * this.getDisplayScale);
int j = (int) (i - 5.0F * this.getDisplayScale);
localPaint.setAntiAlias(true);
localPaint.setAlpha(255);
Random localRandom = new Random();
localPaint.setAlpha(150);
int k = localRandom.nextInt(180);
int m = localRandom.nextInt(j);
int n = i + (int) (Math.cos(3.141592653589793D * k / 180.0D) * m);
int i1 = i + (int) (Math.sin(3.141592653589793D * k / 180.0D) * m);
localPaint.setColor(-16711936);
localPaint.setShader(
new RadialGradient(n, i1, 22.0F * this.getDisplayScale, -16711936, 0,
TileMode.CLAMP));
localCanvas.drawCircle(n, i1, 15.0F * this.getDisplayScale, localPaint);
if (localRandom.nextInt(50) < 5) {
int i6 = localRandom.nextInt(180);
int i7 = localRandom.nextInt(j);
int i8 = i + (int) (Math.cos(3.141592653589793D * i6 / 180.0D) * i7);
int i9 = i + (int) (Math.sin(3.141592653589793D * i6 / 180.0D) * i7);
localPaint.setShader(
new RadialGradient(i8, i9, 22.0F * this.getDisplayScale, -16711936, 0,
TileMode.CLAMP));
localCanvas.drawCircle(i8, i9, 15.0F * this.getDisplayScale, localPaint);
}
if (localRandom.nextInt(75) < 5) {
int i2 = localRandom.nextInt(180);
int i3 = localRandom.nextInt(j);
int i4 = i + (int) (Math.cos(3.141592653589793D * i2 / 180.0D) * i3);
int i5 = i + (int) (Math.sin(3.141592653589793D * i2 / 180.0D) * i3);
localPaint.setShader(
new RadialGradient(i4, i5, 22.0F * this.getDisplayScale, -16711936, 0,
TileMode.CLAMP));
localCanvas.drawCircle(i4, i5, 15.0F * this.getDisplayScale, localPaint);
}
}
return localBitmap;
}
public void onCreate(Bundle paramBundle) {
Log.i("com.example.ghostsam", "onStart RadarScreen");
requestWindowFeature(1);
getWindow().setFlags(1024, 1024);
super.onCreate(paramBundle);
setContentView(R.layout.radarscreen);
SharedPreferences localSharedPreferences = getSharedPreferences("app_prefs", 0);
int i = localSharedPreferences.getInt("appStartCounter", 0);
int j = localSharedPreferences.getInt("appStartFirst", 0);
int k = i + 1;
SharedPreferences.Editor localEditor = localSharedPreferences.edit();
localEditor.putInt("appStartCounter", k);
if (j <= 0) {
localEditor.putInt("appStartFirst", (int) (System.currentTimeMillis() / 1000L));
}
localEditor.commit();
if ((k == 5) || (k == 10) || (k == 25)) {
AlertDialog.Builder localBuilder = new AlertDialog.Builder(this);
localBuilder.setIcon(17301543);
Resources localResources1 = getResources();
Object[] arrayOfObject1 = new Object[1];
arrayOfObject1[0] = "name";
localBuilder.setTitle(localResources1.getString(R.string.app_name, arrayOfObject1));
Resources localResources2 = getResources();
Object[] arrayOfObject2 = new Object[1];
arrayOfObject2[0] = "name";
localBuilder.setMessage(localResources2
.getString(R.string.dialog_ratemarket_question, arrayOfObject2));
Resources localResources3 = getResources();
Object[] arrayOfObject3 = new Object[1];
arrayOfObject3[0] = "name";
localBuilder.setPositiveButton(
localResources3.getString(R.string.dialog_button_yes, arrayOfObject3),
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface paramDialogInterface,
int paramInt) {
Resources localResources = RadarScreen.this.getResources();
Object[] arrayOfObject = new Object[1];
arrayOfObject[0] = "name";
Intent localIntent = new Intent("android.intent.action.VIEW",
Uri.parse(localResources.getString(R.string.app_marketlink,
arrayOfObject)));
RadarScreen.this.startActivity(localIntent);
paramDialogInterface.dismiss();
}
});
Resources localResources4 = getResources();
Object[] arrayOfObject4 = new Object[1];
arrayOfObject4[0] = "name";
localBuilder.setNegativeButton(
localResources4.getString(R.string.dialog_button_no, arrayOfObject4),
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface paramDialogInterface,
int paramInt) {
paramDialogInterface.dismiss();
}
});
localBuilder.create().show();
}
}
public boolean onCreateOptionsMenu(Menu paramMenu) {
getMenuInflater().inflate(R.menu.radarscreen, paramMenu);
return true;
}
public void onError(Exception paramException) {
}
public void onIllegalHttpStatusCode(int paramInt, String paramString) {
}
public boolean onKeyDown(int paramInt, KeyEvent paramKeyEvent) {
if (paramInt == 4) {
quitApp();
}
for (int i = 1; ; i = 0) {
return true;
}
}
@SuppressLint("NewApi")
public boolean onOptionsItemSelected(MenuItem paramMenuItem) {
switch (paramMenuItem.getItemId()) {
default:
break;
case R.id.radarscreen_menu_moreapps:
Resources localResources2 = getResources();
Object[] arrayOfObject2 = new Object[1];
arrayOfObject2[0] = "name";
startActivity(new Intent("android.intent.action.VIEW", Uri.parse(localResources2
.getString(R.string.app_marketdeveloperlink, arrayOfObject2))));
break;
case R.id.radarscreen_menu_rateapp:
Resources localResources1 = getResources();
Object[] arrayOfObject1 = new Object[1];
arrayOfObject1[0] = "name";
startActivity(new Intent("android.intent.action.VIEW", Uri.parse(
localResources1.getString(R.string.app_marketlink, arrayOfObject1))));
break;
case R.id.radarscreen_menu_about:
startActivity(new Intent(this, About.class));
break;
case R.id.radarscreen_menu_settings:
startActivity(new Intent(this, Settings.class));
break;
case R.id.radarscreen_menu_quit:
quitApp();
}
return true;
}
public void onResume() {
super.onResume();
Log.i("com.example.ghostsam", "onResume RadarScreen");
getWindowManager().getDefaultDisplay().getMetrics(this.getDisplay);
this.getDisplayWidth = this.getDisplay.widthPixels;
this.getDisplayHeight = this.getDisplay.heightPixels;
this.getDisplayScale = (this.getDisplayWidth / 480.0F);
this.layoutFontFace = Typeface.createFromAsset(getAssets(), "Roboto-Regular.ttf");
this.settingsGeneralVibrate = PreferenceManager
.getDefaultSharedPreferences(getBaseContext())
.getBoolean("settings_general_vibrate", true);
this.vib = ((Vibrator) getSystemService("vibrator"));
this.ivLogo = ((ImageView) findViewById(R.id.ivLogo));
this.ivLogo.setImageBitmap(Bitmap.createScaledBitmap(
BitmapFactory.decodeResource(getResources(), R.drawable.logo),
(int) (460.0F * this.getDisplayScale), (int) (68.0F * this.getDisplayScale),
true));
this.ivSignalButton = ((ImageView) findViewById(R.id.ivSignalButton));
this.ivSignalButton.setImageBitmap(drawButton("start radar", "#005F21"));
this.ivSignalButton.setOnTouchListener(this);
this.ivRadar = ((ImageView) findViewById(R.id.ivRadar));
this.ivRadar.setImageBitmap(drawRadar(Boolean.valueOf(false)));
this.ivRadarGhosts = ((ImageView) findViewById(R.id.ivRadarGhosts));
if (this.ivRadarGhosts != null) {
this.ivRadarGhosts.setImageBitmap(drawRadarGhosts(Boolean.valueOf(false)));
}
this.countdownShowGhost = new CountDownTimer(15000L, 1000L) {
public void onFinish() {
RadarScreen.this.showGhosts = Boolean.valueOf(false);
RadarScreen.this.hideGhosts = Boolean.valueOf(false);
if (RadarScreen.this.countdownHideGhost != null) {
RadarScreen.this.countdownHideGhost.start();
}
}
public void onTick(long paramLong) {
Random localRandom = new Random();
if (!RadarScreen.this.showGhosts.booleanValue()) {
RadarScreen.this.showGhosts = Boolean.valueOf(true);
RadarScreen.this.showGhostsZufallszahl = (1000 + localRandom
.nextInt(10000));
if (localRandom.nextInt(50) >= 10) {
AlphaAnimation localAlphaAnimation2 = new AlphaAnimation(0.0F, 0.975F);
localAlphaAnimation2.setDuration(1000L);
localAlphaAnimation2.setFillAfter(true);
if (RadarScreen.this.ivRadarGhosts != null) {
RadarScreen.this.ivRadarGhosts.startAnimation(localAlphaAnimation2);
RadarScreen.this.ivRadarGhosts.setImageBitmap(
RadarScreen.this.drawRadarGhosts(Boolean.valueOf(true)));
if (RadarScreen.this.settingsGeneralVibrate) {
RadarScreen.this.vib.vibrate(20L);
}
}
}
}
if ((RadarScreen.this.showGhostsZufallszahl > paramLong) && (!RadarScreen.this
.hideGhosts.booleanValue())) {
RadarScreen.this.hideGhosts = Boolean.valueOf(true);
AlphaAnimation localAlphaAnimation1 = new AlphaAnimation(0.975F, 0.0F);
localAlphaAnimation1.setDuration(1000L);
localAlphaAnimation1.setFillAfter(true);
if (RadarScreen.this.ivRadarGhosts == null) {
return;
}
RadarScreen.this.ivRadarGhosts.startAnimation(localAlphaAnimation1);
}
}
};
this.countdownHideGhost = new CountDownTimer(12500L, 2250L) {
public void onFinish() {
RadarScreen.this.showGhosts = Boolean.valueOf(false);
RadarScreen.this.hideGhosts = Boolean.valueOf(false);
if (RadarScreen.this.countdownShowGhost != null) {
RadarScreen.this.countdownShowGhost.start();
}
}
public void onTick(long paramLong) {
}
};
}
public void onStop() {
super.onStop();
Log.i("com.example.ghostsam", "onStop RadarScreen");
BitmapDrawable localBitmapDrawable1 = (BitmapDrawable) this.ivLogo.getDrawable();
this.ivLogo.setImageBitmap(null);
this.ivLogo.setImageDrawable(null);
this.ivLogo = null;
Bitmap localBitmap1 = localBitmapDrawable1.getBitmap();
if ((localBitmap1 != null) && (!localBitmap1.isRecycled()))
{
localBitmap1.recycle();
}
BitmapDrawable localBitmapDrawable2 = (BitmapDrawable) this.ivRadar.getDrawable();
this.ivRadar.setImageBitmap(null);
this.ivRadar.setImageDrawable(null);
this.ivRadar = null;
Bitmap localBitmap2 = localBitmapDrawable2.getBitmap();
if ((localBitmap2 != null) && (!localBitmap2.isRecycled()))
{
localBitmap2.recycle();
}
BitmapDrawable localBitmapDrawable3 = (BitmapDrawable) this.ivRadarGhosts.getDrawable();
this.ivRadarGhosts.setImageBitmap(null);
this.ivRadarGhosts.setImageDrawable(null);
this.ivRadarGhosts = null;
Bitmap localBitmap3 = localBitmapDrawable3.getBitmap();
if ((localBitmap3 != null) && (!localBitmap3.isRecycled()))
{
localBitmap3.recycle();
}
BitmapDrawable localBitmapDrawable4 = (BitmapDrawable) this.ivSignalButton
.getDrawable();
this.ivSignalButton.setImageBitmap(null);
this.ivSignalButton.setImageDrawable(null);
this.ivSignalButton = null;
Bitmap localBitmap4 = localBitmapDrawable4.getBitmap();
if ((localBitmap4 != null) && (!localBitmap4.isRecycled()))
{
localBitmap4.recycle();
}
this.countdownHideGhost.cancel();
this.countdownHideGhost = null;
this.countdownShowGhost.cancel();
this.countdownShowGhost = null;
this.radarRun = Boolean.valueOf(false);
this.showGhosts = Boolean.valueOf(false);
this.hideGhosts = Boolean.valueOf(false);
}
public boolean onTouch(View paramView, MotionEvent paramMotionEvent) {
switch (paramMotionEvent.getAction()) {
default:
if (paramView != this.ivSignalButton) {
break;
}
case 0:
if (this.radarRun.booleanValue()) {
if (this.radarRun.booleanValue()) {
if (this.ivSignalButton == null) {
break;
}
this.ivSignalButton.setImageBitmap(drawButton("stop radar", "#1BA449"));
}
}
case 1:
if (this.ivSignalButton == null) {
break;
}
this.ivSignalButton.setImageBitmap(drawButton("start radar", "#1BA449"));
}
// while (paramView != this.ivSignalButton);
if (this.radarRun.booleanValue()) {
if (this.ivSignalButton != null) {
this.ivSignalButton.setImageBitmap(drawButton("stop radar", "#005F21"));
}
if ((paramMotionEvent.getX() <= 0.0F) || (paramMotionEvent.getX() >= paramView
.getWidth()) ||
(paramMotionEvent.getY() <= 0.0F) || (paramMotionEvent.getY() >= paramView
.getHeight())) {
this.ivSignalButton.setImageBitmap(drawButton("stop radar", "#005F21"));
}
if (this.ivSignalButton != null) {
this.ivSignalButton.setImageBitmap(drawButton("start radar", "#005F21"));
}
RotateAnimation localRotateAnimation = new RotateAnimation(0.0F, 360.0F, 1, 0.5F, 1,
0.5F);
localRotateAnimation.setInterpolator(new LinearInterpolator());
localRotateAnimation.setFillAfter(true);
localRotateAnimation.setRepeatMode(1);
if (!this.radarRun.booleanValue()) {
if (this.ivSignalButton != null) {
this.ivSignalButton.setImageBitmap(drawButton("stop radar", "#005F21"));
}
}
this.radarRun = Boolean.valueOf(true);
this.radarRun = Boolean.valueOf(false);
if (this.ivRadar != null) {
this.ivRadar.setImageBitmap(drawRadar(Boolean.valueOf(false)));
}
localRotateAnimation.setDuration(10L);
localRotateAnimation.setRepeatCount(0);
if (this.ivRadarGhosts != null) {
this.ivRadarGhosts.setImageBitmap(drawRadarGhosts(Boolean.valueOf(false)));
}
if (this.countdownHideGhost != null) {
this.countdownHideGhost.cancel();
}
if (this.countdownHideGhost != null) {
this.countdownShowGhost.cancel();
}
}
if (this.ivSignalButton == null) {
this.ivSignalButton.setImageBitmap(drawButton("start radar", "#005F21"));
}
if (this.ivRadar != null) {
this.ivRadar.setImageBitmap(drawRadar(Boolean.valueOf(true)));
}
localRotateAnimation.setDuration(3000L);
localRotateAnimation.setRepeatCount(-1);
if (this.countdownHideGhost == null) {
this.countdownHideGhost.start();
}
this.ivRadar.startAnimation(localRotateAnimation);
return true;
}
}