我的应用程序运行良好，当我在手机上的 eclipse 上运行它时突然开始强制关闭。试图撤消一些事情，但没有任何帮助。有人可以帮我找到问题吗？
我的第一个活动：
package com.ui.contactmanager;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import android.app.Activity;
import android.content.Intent;
import android.graphics.Color;
import android.os.Bundle;
import android.os.Environment;
import android.view.Gravity;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.Window;
import android.view.WindowManager;
import android.widget.TableLayout;
import android.widget.TableRow;
import android.widget.TextView;
public class DisplayContactsActivity extends Activity implements
OnClickListener {
String[][] data = new String[100][100];
int i = 0;
static int index = -1, count = 0;
static View prev;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// To set the status bar hidden.
final Window window = getWindow();
window.addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
window.addFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
window.clearFlags(WindowManager.LayoutParams.FLAG_FORCE_NOT_FULLSCREEN);
setContentView(R.layout.activity_display_contacts);
// Creating text file
try {
File root = new File(Environment.getExternalStorageDirectory(),
"Notes");
if (!root.exists()) {
root.mkdirs();
}
File file = new File(root, "data.txt");
PrintWriter create = new PrintWriter(new BufferedWriter(
new FileWriter(file, true)));
create.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
init();
}
public void init() {
// Creating a dynamic table
TableLayout stk = (TableLayout) findViewById(R.id.table_main);
TableRow tbrow0 = new TableRow(DisplayContactsActivity.this);
TextView tv0 = new TextView(DisplayContactsActivity.this);
tv0.setText(" Sl. No ");
tv0.setTextColor(Color.WHITE);
tv0.setHeight(100);
tbrow0.addView(tv0);
TextView tv1 = new TextView(DisplayContactsActivity.this);
tv1.setText(" Name ");
tv1.setTextColor(Color.WHITE);
tv1.setHeight(100);
tbrow0.addView(tv1);
TextView tv2 = new TextView(DisplayContactsActivity.this);
tv2.setText(" Phone Number ");
tv2.setTextColor(Color.WHITE);
tv2.setHeight(100);
tbrow0.addView(tv2);
stk.addView(tbrow0);
initTable();
}
public void initTable() {
// Reading and saving the text file
try {
File root = new File(Environment.getExternalStorageDirectory(),
"Notes");
File file = new File(root, "data.txt");
BufferedReader br = new BufferedReader(new FileReader(file));
String line;
while ((line = br.readLine()) != null) {
// process the line.
data[i] = line.split(";");
i++;
}
br.close();
} catch (Exception e2) {
e2.printStackTrace();
}
TableLayout stk = (TableLayout) findViewById(R.id.table_main);
for (int j = 0; j < i; j++) {
final TableRow tbrow = new TableRow(DisplayContactsActivity.this);
TextView t1v = new TextView(DisplayContactsActivity.this);
t1v.setText("" + (j + 1));
t1v.setTextColor(Color.WHITE);
t1v.setGravity(Gravity.CENTER);
t1v.setHeight(50);
tbrow.addView(t1v);
TextView t2v = new TextView(DisplayContactsActivity.this);
t2v.setText("" + data[j][0] + " " + data[j][1]);
t2v.setTextColor(Color.WHITE);
t2v.setGravity(Gravity.CENTER);
t2v.setHeight(50);
tbrow.addView(t2v);
TextView t3v = new TextView(DisplayContactsActivity.this);
t3v.setText("" + data[j][2]);
t3v.setTextColor(Color.WHITE);
t3v.setGravity(Gravity.CENTER);
t3v.setHeight(50);
tbrow.addView(t3v);
tbrow.setId(j);
tbrow.setOnClickListener(DisplayContactsActivity.this);
stk.addView(tbrow);
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.display_contacts, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
switch (id) {
case R.id.addContact:
Intent addContactIntent = new Intent(
"com.ui.contactmanager.CONTACTEDITORACTIVITY");
startActivity(addContactIntent);
break;
case R.id.editContact:
Bundle basket = new Bundle();
basket.putInt("bread", index);
Intent editContactIntent = new Intent(DisplayContactsActivity.this,
ContactEditorActivity.class);
editContactIntent.putExtras(basket);
startActivity(editContactIntent);
break;
case R.id.deleteContact:
break;
default:
return false;
}
return super.onOptionsItemSelected(item);
}
@Override
protected void onResume() {
// TODO Auto-generated method stub
int k = 0;
try {
File root = new File(Environment.getExternalStorageDirectory(),
"Notes");
File file = new File(root, "data.txt");
BufferedReader br = new BufferedReader(new FileReader(file));
String line;
while ((line = br.readLine()) != null) {
// process the line.
data[k] = line.split(";");
k++;
}
br.close();
} catch (Exception e2) {
e2.printStackTrace();
}
if (k > i) {
k--;
TableLayout stk = (TableLayout) findViewById(R.id.table_main);
final TableRow tbrow = new TableRow(DisplayContactsActivity.this);
TextView t1v = new TextView(DisplayContactsActivity.this);
t1v.setText("" + (k + 1));
t1v.setTextColor(Color.WHITE);
t1v.setGravity(Gravity.CENTER);
t1v.setHeight(50);
tbrow.addView(t1v);
TextView t2v = new TextView(DisplayContactsActivity.this);
t2v.setText("" + data[k][0] + " " + data[k][1]);
t2v.setTextColor(Color.WHITE);
t2v.setGravity(Gravity.CENTER);
t2v.setHeight(50);
tbrow.addView(t2v);
TextView t3v = new TextView(DisplayContactsActivity.this);
t3v.setText("" + data[k][2]);
t3v.setTextColor(Color.WHITE);
t3v.setGravity(Gravity.CENTER);
t3v.setHeight(50);
tbrow.addView(t3v);
tbrow.setId(k);
tbrow.setOnClickListener(DisplayContactsActivity.this);
stk.addView(tbrow);
}
super.onResume();
}
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
count++;
if (count > 1) {
prev.setBackgroundColor(Color.rgb(61, 69, 91));
v.setBackgroundColor(Color.GREEN);
index = v.getId();
prev = v;
}
v.setBackgroundColor(Color.GREEN);
index = v.getId();
prev = v;
}
}
我的第二个活动：
package com.ui.contactmanager;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import android.app.Activity;
import android.os.Bundle;
import android.os.Environment;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.Window;
import android.view.WindowManager;
import android.widget.Button;
import android.widget.EditText;
public class ContactEditorActivity extends Activity {
static String[] currentData = new String[10];
String[][] data = new String[100][100];
int i = 0, index = -1;
Button save, cancel;
// TextView firstName, lastName, phone, address;
EditText firstName, lastName, phone, address;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// To set the status bar hidden.
final Window window = getWindow();
window.addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
window.addFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
window.clearFlags(WindowManager.LayoutParams.FLAG_FORCE_NOT_FULLSCREEN);
setContentView(R.layout.activity_contact_editor);
Bundle getBasket = getIntent().getExtras();
index = getBasket.getInt("bread");
index--;
firstName = (EditText) findViewById(R.id.etFirstName);
lastName = (EditText) findViewById(R.id.etLastName);
phone = (EditText) findViewById(R.id.etPhone);
address = (EditText) findViewById(R.id.etAddress);
save = (Button) findViewById(R.id.bSave);
cancel = (Button) findViewById(R.id.bCancel);
if (index > -1) {
// Reading and saving the text file
try {
File root = new File(Environment.getExternalStorageDirectory(),
"Notes");
File file = new File(root, "data.txt");
BufferedReader br = new BufferedReader(new FileReader(file));
String line;
while ((line = br.readLine()) != null) {
// process the line.
data[i] = line.split(";");
i++;
}
br.close();
} catch (Exception e2) {
e2.printStackTrace();
}
firstName.setText(data[index][0]);
// if (data[index][1].equals(null))
lastName.setText(data[index][1]);
// if (!data[index][2].equals(null))
phone.setText(data[index][2]);
// if (!data[index][3].equals(null))
address.setText(data[index][3]);
}
cancel.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
finish();
}
});
save.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
if (index == -1) {
// Reading input values
String line = null;
line = firstName.getText().toString() + ";"
+ lastName.getText().toString() + ";"
+ phone.getText().toString() + ";"
+ address.getText().toString() + ";";
currentData = line.split(";");
try {
File root = new File(Environment
.getExternalStorageDirectory(), "Notes");
if (!root.exists()) {
root.mkdirs();
}
File file = new File(root, "data.txt");
PrintWriter out = new PrintWriter(new BufferedWriter(
new FileWriter(file, true)));
out.println(line);
out.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
finish();
} else {
for (int j = 0; j < i; j++) {
if (j == index) {
// Reading input values
String line = null;
line = firstName.getText().toString() + ";"
+ lastName.getText().toString() + ";"
+ phone.getText().toString() + ";"
+ address.getText().toString() + ";";
try {
File root = new File(Environment
.getExternalStorageDirectory(), "Notes");
if (!root.exists()) {
root.mkdirs();
}
File file = new File(root, "data.txt");
PrintWriter out = new PrintWriter(
new BufferedWriter(new FileWriter(file,
true)));
out.println(line);
out.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
} else {
String line = data[j][0] + ";" + data[j][1] + ";"
+ data[j][2] + ";" + data[j][3] + ";";
try {
File root = new File(Environment
.getExternalStorageDirectory(), "Notes");
if (!root.exists()) {
root.mkdirs();
}
File file = new File(root, "data.txt");
PrintWriter out = new PrintWriter(
new BufferedWriter(new FileWriter(file,
true)));
out.println(line);
out.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.contact_editor, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
}
我的第一个xml：
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="0dp"
android:paddingLeft="0dp"
android:paddingRight="0dp"
android:paddingTop="0dp"
android:background="#3d455b"
tools:context="com.ui.contactmanager.DisplayContactsActivity" >
<ScrollView
android:id="@+id/scrollView1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true" >
<HorizontalScrollView
android:id="@+id/hscrll1"
android:layout_width="fill_parent"
android:layout_height="wrap_content" >
<RelativeLayout
android:id="@+id/RelativeLayout1"
android:layout_width="wrap_content"
android:layout_gravity="center"
android:layout_height="fill_parent"
android:orientation="vertical" >
<TableLayout
android:id="@+id/table_main"
android:layout_width="wrap_content"
android:layout_height="fill_parent"
android:layout_centerHorizontal="true" >
</TableLayout>
</RelativeLayout>
</HorizontalScrollView>
</ScrollView>
</RelativeLayout>
我的第二个xml：
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="#3d455b"
android:orientation="vertical" >
<ScrollView
android:id="@+id/scrollView1"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="0.20" >
<TextView
android:id="@+id/tvFirstName"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/tvfirstname"
android:textColor="#ffffff" />
<EditText
android:id="@+id/etFirstName"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:ems="10"
android:inputType="textPersonName"
android:textColor="#ffffff" >
<requestFocus />
</EditText>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="0.20" >
<TextView
android:id="@+id/tvLastName"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/tvlastname"
android:textColor="#ffffff" />
<EditText
android:id="@+id/etLastName"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:ems="10"
android:inputType="textPersonName"
android:textColor="#ffffff" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="0.20" >
<TextView
android:id="@+id/tvPhone"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/tvphone"
android:textColor="#ffffff" />
<EditText
android:id="@+id/etPhone"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:ems="10"
android:inputType="phone"
android:textColor="#ffffff" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="0.20" >
<TextView
android:id="@+id/tvAddress"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/tvaddress"
android:textColor="#ffffff" />
<EditText
android:id="@+id/etAddress"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:ems="10"
android:inputType="textPostalAddress"
android:textColor="#ffffff" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="0.05"
android:weightSum="100" >
<Button
android:id="@+id/bSave"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="50"
android:text="@string/bsave"
android:textColor="#ffffff" />
<Button
android:id="@+id/bCancel"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="50"
android:text="@string/bcancel"
android:textColor="#ffffff" />
</LinearLayout>
</LinearLayout>
</ScrollView>
</LinearLayout>
日志猫：
10-28 17:36:49.299: D/AndroidRuntime(14926): Shutting down VM
10-28 17:36:49.299: W/dalvikvm(14926): threadid=1: thread exiting with uncaught exception (group=0x41ba1c08)
10-28 17:36:49.304: E/AndroidRuntime(14926): FATAL EXCEPTION: main
10-28 17:36:49.304: E/AndroidRuntime(14926): Process: com.ui.contactmanager, PID: 14926
10-28 17:36:49.304: E/AndroidRuntime(14926): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.ui.contactmanager/com.ui.contactmanager.DisplayContactsActivity}: java.lang.ArrayIndexOutOfBoundsException: length=1; index=1
10-28 17:36:49.304: E/AndroidRuntime(14926): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2187)
10-28 17:36:49.304: E/AndroidRuntime(14926): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2236)
10-28 17:36:49.304: E/AndroidRuntime(14926): at android.app.ActivityThread.access$800(ActivityThread.java:138)
10-28 17:36:49.304: E/AndroidRuntime(14926): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1199)
10-28 17:36:49.304: E/AndroidRuntime(14926): at android.os.Handler.dispatchMessage(Handler.java:102)
10-28 17:36:49.304: E/AndroidRuntime(14926): at android.os.Looper.loop(Looper.java:136)
10-28 17:36:49.304: E/AndroidRuntime(14926): at android.app.ActivityThread.main(ActivityThread.java:5034)
10-28 17:36:49.304: E/AndroidRuntime(14926): at java.lang.reflect.Method.invokeNative(Native Method)
10-28 17:36:49.304: E/AndroidRuntime(14926): at java.lang.reflect.Method.invoke(Method.java:515)
10-28 17:36:49.304: E/AndroidRuntime(14926): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:795)
10-28 17:36:49.304: E/AndroidRuntime(14926): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:611)
10-28 17:36:49.304: E/AndroidRuntime(14926): at dalvik.system.NativeStart.main(Native Method)
10-28 17:36:49.304: E/AndroidRuntime(14926): Caused by: java.lang.ArrayIndexOutOfBoundsException: length=1; index=1
10-28 17:36:49.304: E/AndroidRuntime(14926): at com.ui.contactmanager.DisplayContactsActivity.initTable(DisplayContactsActivity.java:121)
10-28 17:36:49.304: E/AndroidRuntime(14926): at com.ui.contactmanager.DisplayContactsActivity.init(DisplayContactsActivity.java:89)
10-28 17:36:49.304: E/AndroidRuntime(14926): at com.ui.contactmanager.DisplayContactsActivity.onCreate(DisplayContactsActivity.java:63)
10-28 17:36:49.304: E/AndroidRuntime(14926): at android.app.Activity.performCreate(Activity.java:5241)
10-28 17:36:49.304: E/AndroidRuntime(14926): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
10-28 17:36:49.304: E/AndroidRuntime(14926): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2151)
10-28 17:36:49.304: E/AndroidRuntime(14926): ... 11 more
它说在第 121 行导致 arrayindexoutofbounds 异常，但索引的值为 0。
for (int j = 0; j < i; j++) {
final TableRow tbrow = new TableRow(DisplayContactsActivity.this);
TextView t1v = new TextView(DisplayContactsActivity.this);
t1v.setText("" + (j + 1));
t1v.setTextColor(Color.WHITE);
t1v.setGravity(Gravity.CENTER);
t1v.setHeight(50);
tbrow.addView(t1v);
TextView t2v = new TextView(DisplayContactsActivity.this);
t2v.setText("" + data[j][0] + " " + data[j][1]);
t2v.setTextColor(Color.WHITE);
t2v.setGravity(Gravity.CENTER);
t2v.setHeight(50);
tbrow.addView(t2v);
TextView t3v = new TextView(DisplayContactsActivity.this);
t3v.setText("" + data[j][2]);
t3v.setTextColor(Color.WHITE);
t3v.setGravity(Gravity.CENTER);
t3v.setHeight(50);
tbrow.addView(t3v);
tbrow.setId(j);
tbrow.setOnClickListener(DisplayContactsActivity.this);
stk.addView(tbrow);
}