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POHow to clearly end the activity when going to another activity
 

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  1. POHow to clearly end the activity when going to another activity
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    <p>Anyone knows how to completely end the <code>Activity</code> when going to another <code>Activity</code>? I put a <code>finish()</code> on the activity to terminate it. But when i press the Back Key of the Phone or in the Emulator, it goes back to the last <code>Activity</code> i open. For example: </p> <p>Activity A is the menu, B is the order, C is also the order, D is the payment.</p> <p><code>Activity A</code> going to <code>Activity B</code>, <code>Activity B</code> to <code>Activity C</code>, <code>Activity C</code> to <code>Activity D</code>. if i press the Back Key of the Phone or the Emulator When i am in the <code>Activity D</code> it goes back to C, B, and A. But the Correct one should be from <code>Activity D</code> going back to <code>Activity A</code>. and if i press the back Key again it will close the App.</p> <p>Anyone knows how to end Activity clearly?</p> <p>Thanks!</p> <p>I have a different program, here's my game menu.</p> <pre><code>public class BodyPartsGameActivity extends Activity { protected boolean _active = true; protected int _splashTime = 1000; public void onAttachedToWindow() { super.onAttachedToWindow(); Window window = getWindow(); window.setFormat(PixelFormat.RGBA_8888); } MediaPlayer mp1; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); StartAnimations(); } private void StartAnimations() { Animation anim = AnimationUtils.loadAnimation(this, R.anim.alpha); anim.reset(); LinearLayout l=(LinearLayout) findViewById(R.id.mainlay); l.clearAnimation(); l.startAnimation(anim); anim = AnimationUtils.loadAnimation(this, R.anim.clouds); anim.reset(); Button iv = (Button) findViewById(R.id.cloud); iv.clearAnimation(); iv.startAnimation(anim); mp1 = MediaPlayer.create(this,R.raw.officialbackgroundmusic); mp1.start(); final MediaPlayer mp = MediaPlayer.create(this, R.raw.button); final Vibrator mVibrator = (Vibrator) getSystemService(Context.VIBRATOR_SERVICE); Button newgameButton = (Button)findViewById(R.id.newgame); newgameButton.setOnClickListener(new OnClickListener() { public void onClick(View v) { Intent newgameIntent = new Intent(BodyPartsGameActivity.this,pgone.class); startActivity(newgameIntent); mp.start(); mVibrator.vibrate(500); } }); final MediaPlayer ms = MediaPlayer.create(this, R.raw.button); Button highscoresButton = (Button)findViewById(R.id.highscores); highscoresButton.setOnClickListener(new OnClickListener() { public void onClick(View v) { Intent highscoresIntent = new Intent(BodyPartsGameActivity.this,highscores.class); startActivity(highscoresIntent); ms.start(); mVibrator.vibrate(500); } }); Button instructionButton = (Button)findViewById(R.id.settings); instructionButton.setOnClickListener(new OnClickListener() { public void onClick(View v) { Intent instructionsIntent = new Intent(BodyPartsGameActivity.this,settingstwo.class); startActivity(instructionsIntent); mp.start(); mVibrator.vibrate(500); } }); Button instructionsButton = (Button)findViewById(R.id.instructions); instructionsButton.setOnClickListener(new OnClickListener() { public void onClick(View v) { Intent instructionsIntent = new Intent(BodyPartsGameActivity.this,instructions.class); startActivity(instructionsIntent); ms.start(); mVibrator.vibrate(500); } }); final ImageView mNotification_on_btn=(ImageView)findViewById(R.id.on_btn); final ImageView mNotification_off_btn=(ImageView)findViewById(R.id.off_btn); mNotification_on_btn.setOnClickListener(new OnClickListener() { public void onClick(View v) { mNotification_on_btn.setVisibility(View.GONE); mNotification_off_btn.setVisibility(View.VISIBLE); } }); ImageView pausresumeButton = (ImageView)findViewById(R.id.on_btn); pausresumeButton.setOnClickListener(new View.OnClickListener() { public void onClick(View view) { if(mp1.isPlaying()) { mp1.pause(); } else { mp1.start(); } }}); mNotification_off_btn.setOnClickListener(new OnClickListener() { public void onClick(View v) { mNotification_off_btn.setVisibility(View.GONE); mNotification_on_btn.setVisibility(View.VISIBLE); } }); } @Override protected void onPause() { if (this.isFinishing()){ //basically BACK was pressed from this activity mp1.stop(); Toast.makeText(BodyPartsGameActivity.this, "You Pressed Back Button on Your 'HOME' The Game was ended. ", Toast.LENGTH_SHORT).show(); } Context context = getApplicationContext(); ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE); List&lt;RunningTaskInfo&gt; taskInfo = am.getRunningTasks(1); if (!taskInfo.isEmpty()) { ComponentName topActivity = taskInfo.get(0).topActivity; if (!topActivity.getPackageName().equals(context.getPackageName())) { mp1.stop(); Toast.makeText(BodyPartsGameActivity.this, "YOU LEFT YOUR APP", Toast.LENGTH_SHORT).show(); } } super.onPause(); mp1.reset(); } } </code></pre> <p>Here's my Instruction Page:</p> <pre><code>public class instructions extends Activity{ MediaPlayer mPlayer; protected boolean _active = true; protected int _splashTime = 1000; public void onAttachedToWindow() { super.onAttachedToWindow(); Window window = getWindow(); window.setFormat(PixelFormat.RGBA_8888); } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.instructions); StartAnimations(); } private void StartAnimations() { Animation anim = AnimationUtils.loadAnimation(this, R.anim.alpha); anim.reset(); LinearLayout l=(LinearLayout) findViewById(R.id.instbg); l.clearAnimation(); l.startAnimation(anim); anim = AnimationUtils.loadAnimation(this, R.anim.controll); anim.reset(); Button iv = (Button) findViewById(R.id.hwtoply); iv.clearAnimation(); iv.startAnimation(anim); anim = AnimationUtils.loadAnimation(this, R.anim.controlll); anim.reset(); Button ib = (Button) findViewById(R.id.cntrls); ib.clearAnimation(); ib.startAnimation(anim); anim = AnimationUtils.loadAnimation(this, R.anim.controllll); anim.reset(); Button ic = (Button) findViewById(R.id.trivia); ic.clearAnimation(); ic.startAnimation(anim); anim = AnimationUtils.loadAnimation(this, R.anim.controlllll); anim.reset(); Button iz = (Button) findViewById(R.id.about); iz.clearAnimation(); iz.startAnimation(anim); Button back4Button = (Button)findViewById(R.id.back4); back4Button.setOnClickListener(new OnClickListener() { public void onClick(View v) { Intent back4Intent = new Intent(instructions.this,BodyPartsGameActivity.class); startActivity(back4Intent); finish(); } }); Button howtoButton = (Button)findViewById(R.id.hwtoply); howtoButton.setOnClickListener(new OnClickListener() { public void onClick(View v) { Intent howtoIntent = new Intent(instructions.this,howto.class); startActivity(howtoIntent); } }); Button ctrlsButton = (Button)findViewById(R.id.cntrls); ctrlsButton.setOnClickListener(new OnClickListener() { public void onClick(View v) { Intent ctrlsIntent = new Intent(instructions.this,controls.class); startActivity(ctrlsIntent); } }); Button triviaButton = (Button)findViewById(R.id.trivia); triviaButton.setOnClickListener(new OnClickListener() { public void onClick(View v) { Intent triviaIntent = new Intent(instructions.this,trivia.class); startActivity(triviaIntent); } }); Button abwtButton = (Button)findViewById(R.id.about); abwtButton.setOnClickListener(new OnClickListener() { public void onClick(View v) { Intent abwtIntent = new Intent(instructions.this,about.class); startActivity(abwtIntent); } }); } @Override protected void onDestroy() { setResult(2); super.onDestroy(); } } </code></pre> <p>Going back to menu then My game level:</p> <pre><code>public class gamelevel extends Activity { protected boolean _active = true; protected int _splashTime = 1000; public void onAttachedToWindow() { super.onAttachedToWindow(); Window window = getWindow(); window.setFormat(PixelFormat.RGBA_8888); } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.gamelevel); StartAnimations(); } private void StartAnimations() { Animation anim = AnimationUtils.loadAnimation(this, R.anim.alpha); anim.reset(); LinearLayout l=(LinearLayout) findViewById(R.id.gmlvl); l.clearAnimation(); l.startAnimation(anim); anim = AnimationUtils.loadAnimation(this, R.anim.controll); anim.reset(); Button iv = (Button) findViewById(R.id.easypg); iv.clearAnimation(); iv.startAnimation(anim); anim = AnimationUtils.loadAnimation(this, R.anim.controlll); anim.reset(); Button ib = (Button) findViewById(R.id.mediumpg); ib.clearAnimation(); ib.startAnimation(anim); anim = AnimationUtils.loadAnimation(this, R.anim.controllll); anim.reset(); Button ic = (Button) findViewById(R.id.hard); ic.clearAnimation(); ic.startAnimation(anim); Button easypButton = (Button)findViewById(R.id.easypg); easypButton.setOnClickListener(new OnClickListener() { public void onClick(View v) { Intent easypIntent = new Intent(gamelevel.this,Maingame.class); startActivity(easypIntent); finish(); } }); Button mediumButton = (Button)findViewById(R.id.mediumpg); mediumButton.setOnClickListener(new OnClickListener() { public void onClick(View v) { Intent mediumIntent = new Intent(gamelevel.this,Mediumgame.class); startActivity(mediumIntent); finish(); } }); Button hardButton = (Button)findViewById(R.id.hard); hardButton.setOnClickListener(new OnClickListener() { public void onClick(View v) { Intent hardIntent = new Intent(gamelevel.this,Hardgame.class); startActivity(hardIntent); finish(); } }); Button back1Button = (Button)findViewById(R.id.back1); back1Button.setOnClickListener(new OnClickListener() { public void onClick(View v) { Intent back1Intent = new Intent(gamelevel.this,BodyPartsGameActivity.class); startActivity(back1Intent); finish(); } }); } @override public boolean onKeyDown(int keyCode, KeyEvent event) { if (keyCode == KeyEvent.KEYCODE_BACK) { moveTaskToBack(true); return true; // return } return false; } @Override protected void onDestroy() { super.onDestroy(); } } </code></pre> <p>And here is my easy game:</p> <pre><code>public class Maingame extends Activity { int v,x,y,z; public void onAttachedToWindow() { super.onAttachedToWindow(); Window window = getWindow(); window.setFormat(PixelFormat.RGBA_8888); displayIntentData(); ////////////////////////////////score calculation///////////////////// initControls(); } private void initControls() { amount1=(EditText)findViewById(R.id.amount1); amount2=(EditText)findViewById(R.id.amount2); amount3=(EditText)findViewById(R.id.amount3); result=(TextView)findViewById(R.id.result); calculate=(Button)findViewById(R.id.finish); calculate.setOnClickListener(new Button.OnClickListener() {public void onClick (View v) { calculate();}}); } private void calculate() { if(amount1.getText().toString().equals("")) { x=0; } else { x=Integer.parseInt(amount1.getText().toString()); } if(amount2.getText().toString().equals("")) { y=0; } else { y=Integer.parseInt(amount2.getText().toString()); } if(amount3.getText().toString().equals("")) { v=0; } else { v=Integer.parseInt(amount3.getText().toString()); } z=x+y+v; result.setText(Integer.toString(z)); ////////////////////////////////score calculation///////////////////// findViewById(R.id.finish).setOnClickListener(new OnClickListener() { public void onClick(View v) { Intent intent = new Intent(Maingame.this,score.class); intent.putExtra("key",((TextView)findViewById(R.id.result)).getText().toString()); startActivity(intent); } }); } @Override protected void onNewIntent(Intent intent) { super.onNewIntent(intent); setIntent(intent); displayIntentData(); } private void displayIntentData(){ Intent intent = getIntent(); TextView tv = (TextView)findViewById(R.id.intentData); Bundle extras=intent.getExtras(); if(extras!=null){ tv.setText(" "+extras.getString("key")); }else{ tv.setText(""); } } private Gallery gallery; TextView select1; TextView select2; TextView select3; TextView result; EditText amount1; EditText amount3; EditText amount2; EditText pauseb; Button calculate; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.maingame); Button pauseButton = (Button)findViewById(R.id.pause); pauseButton.setOnClickListener(new OnClickListener() { public void onClick(View v) { Intent backcreIntent = new Intent(Maingame.this,pauseg.class); startActivity(backcreIntent); } }); gallery = (Gallery) findViewById(R.id.examplegallery); gallery.setAdapter(new AddImgAdp(this)); gallery.setOnItemClickListener(new OnItemClickListener() { public void onItemClick(AdapterView parent, View v, int position, long id) { if (position == 0 ) { //Toast.makeText(Maingame.this, "heart", Toast.LENGTH_SHORT).show(); select1 = (TextView) findViewById(R.id.txt1); select1.setText("Head"); amount1.setText("1000"); } else if (position == 1) { select1 = (TextView) findViewById(R.id.txt1); select1.setText("Eye"); amount1.setText("0"); } else if (position == 2) { select1 = (TextView) findViewById(R.id.txt1); select1.setText("Intestine"); amount1.setText("0"); } else if (position == 3) { select2 = (TextView) findViewById(R.id.txt2); select2.setText("Ear"); amount2.setText("0"); } else if (position == 4) { select2 = (TextView) findViewById(R.id.txt2); select2.setText("liver"); amount2.setText("0"); } else if (position == 5) { select2 = (TextView) findViewById(R.id.txt2); select2.setText("Arm"); amount2.setText("1000"); } else if (position == 6) { select3 = (TextView) findViewById(R.id.txt3); select3.setText("Hand"); amount3.setText("0"); Toast.makeText(Maingame.this, "Click Finish To Submit Your Answer", Toast.LENGTH_LONG).show(); } else if (position == 7) { select3 = (TextView) findViewById(R.id.txt3); select3.setText("Foot"); amount3.setText("0"); Toast.makeText(Maingame.this, "Click Finish To Submit Your Answer", Toast.LENGTH_LONG).show(); } else if (position == 8) { select3 = (TextView) findViewById(R.id.txt3); select3.setText("Legs"); amount3.setText("1000"); Toast.makeText(Maingame.this, "Click Finish To Submit Your Answer", Toast.LENGTH_LONG).show(); } } }); Button clear = (Button)findViewById(R.id.clear); clear.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { ((TextView) findViewById(R.id.txt1)).setText(""); ((TextView) findViewById(R.id.txt2)).setText(""); ((TextView) findViewById(R.id.txt3)).setText(""); } }); } public class AddImgAdp extends BaseAdapter { int GalItemBg; private Context cont; // Adding images. private Integer[] Imgid = { R.drawable.head,R.drawable.eye, R.drawable.largeintestine,R.drawable.ear, R.drawable.liver, R.drawable.arm ,R.drawable.hand,R.drawable.foot,R.drawable.legs}; public AddImgAdp(Context c) { cont = c; TypedArray typArray = obtainStyledAttributes(R.styleable.BodyPartsGame); GalItemBg = typArray.getResourceId(R.styleable.BodyPartsGame_android_galleryItemBackground, 0); typArray.recycle(); } public int getCount() { return Imgid.length; } public Object getItem(int position) { return position; } public long getItemId(int position) { return position; } public View getView(int position, View convertView, ViewGroup parent) { ImageView imgView = new ImageView(cont); imgView.setImageResource(Imgid[position]); // Fixing width &amp; height for image to display imgView.setLayoutParams(new Gallery.LayoutParams(80, 70)); imgView.setScaleType(ImageView.ScaleType.FIT_XY); imgView.setBackgroundResource(GalItemBg); return imgView; } } } </code></pre> <p>When i press the back button of the Phone or emulator, it goes back to the last activity i open. if i open game menu -----> instruction -----> back to menu -----> new game ----> game level -----> easy game and i press back button it goes back to my recent open Activity.</p> <p>How to fix that?</p>
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